DUK


Line plots across dimensions of each concept
Tables

Table of contents


dei:LegalEntity
us-gaap:CommonStockValue

us-gaap:CommonStockSharesOutstanding
dei:LegalEntity
us-gaap:StatementEquityComponents
dei:LegalEntity
us-gaap:CommonStockSharesAuthorized

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax
dei:LegalEntity
us-gaap:CostOfGoodsAndServicesSold
us-gaap:ProductOrService
us-gaap:ProductOrService, dei:LegalEntity

us-gaap:CostDepreciationAmortizationAndDepletion
dei:LegalEntity

us-gaap:CostsAndExpenses
dei:LegalEntity

us-gaap:OperatingIncomeLoss
dei:LegalEntity

us-gaap:InterestExpense
dei:LegalEntity

us-gaap:OtherNonoperatingIncomeExpense
dei:LegalEntity

us-gaap:IncomeLossFromContinuingOperations
dei:LegalEntity
us-gaap:ConsolidationItems, dei:LegalEntity
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments, dei:LegalEntity

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
dei:LegalEntity

us-gaap:NonoperatingIncomeExpense
dei:LegalEntity

us-gaap:IncomeTaxExpenseBenefit
dei:LegalEntity

us-gaap:ProfitLoss
dei:LegalEntity
us-gaap:StatementEquityComponents, dei:LegalEntity

us-gaap:ComprehensiveIncomeNetOfTax
dei:LegalEntity

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest
dei:LegalEntity

us-gaap:NetIncomeLoss
dei:LegalEntity
us-gaap:StatementEquityComponents, dei:LegalEntity

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest

us-gaap:Assets
dei:LegalEntity
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, dei:LegalEntity
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments, dei:LegalEntity

us-gaap:LiabilitiesAndStockholdersEquity
dei:LegalEntity

us-gaap:StockholdersEquity
dei:LegalEntity
us-gaap:StatementEquityComponents, dei:LegalEntity

us-gaap:AssetsCurrent
dei:LegalEntity

us-gaap:CashAndCashEquivalentsAtCarryingValue
dei:LegalEntity

us-gaap:AccountsReceivableNetCurrent
dei:LegalEntity

us-gaap:PrepaidExpenseAndOtherAssetsCurrent
dei:LegalEntity
us-gaap:CounterpartyName
us-gaap:CounterpartyName, dei:LegalEntity
us-gaap:CounterpartyName, duk:InvestmentsbyConsolidatedandNonconsolidatedEntities
us-gaap:CounterpartyName, duk:InvestmentsbyConsolidatedandNonconsolidatedEntities, dei:LegalEntity
us-gaap:PublicUtilitiesRegulatoryProceeding, dei:LegalEntity
us-gaap:PropertyPlantAndEquipmentNet

us-gaap:Goodwill
dei:LegalEntity
us-gaap:StatementBusinessSegments

us-gaap:OtherAssetsNoncurrent
dei:LegalEntity
us-gaap:CounterpartyName
us-gaap:CounterpartyName, duk:InvestmentsbyConsolidatedandNonconsolidatedEntities

us-gaap:LiabilitiesCurrent
dei:LegalEntity

us-gaap:LongTermDebtCurrent

us-gaap:AccountsPayableCurrent
dei:LegalEntity

us-gaap:TaxesPayableCurrent
dei:LegalEntity
us-gaap:RelatedPartyTransactionsByRelatedParty, dei:LegalEntity
us-gaap:AccruedIncomeTaxesCurrent

us-gaap:OtherLiabilitiesCurrent
dei:LegalEntity
duk:InvestmentsbyConsolidatedandNonconsolidatedEntities
us-gaap:CounterpartyName, duk:InvestmentsbyConsolidatedandNonconsolidatedEntities
us-gaap:CounterpartyName, duk:InvestmentsbyConsolidatedandNonconsolidatedEntities, dei:LegalEntity

us-gaap:LongTermDebt
dei:LegalEntity

us-gaap:LongTermDebtNoncurrent
dei:LegalEntity
us-gaap:CounterpartyName
us-gaap:CounterpartyName, dei:LegalEntity
us-gaap:CounterpartyName, duk:InvestmentsbyConsolidatedandNonconsolidatedEntities
us-gaap:CounterpartyName, duk:InvestmentsbyConsolidatedandNonconsolidatedEntities, dei:LegalEntity

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent
dei:LegalEntity

us-gaap:MinorityInterest
dei:LegalEntity

us-gaap:StockholdersEquity
dei:LegalEntity
us-gaap:StatementEquityComponents, dei:LegalEntity
dei:LegalEntity
us-gaap:CommonStockValue

us-gaap:RetainedEarningsAccumulatedDeficit
dei:LegalEntity

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax
dei:LegalEntity

us-gaap:NetCashProvidedByUsedInOperatingActivities
dei:LegalEntity

us-gaap:NetCashProvidedByUsedInInvestingActivities
dei:LegalEntity

us-gaap:NetCashProvidedByUsedInFinancingActivities
dei:LegalEntity

us-gaap:NetCashProvidedByUsedInOperatingActivities
dei:LegalEntity

us-gaap:NetIncomeLoss
dei:LegalEntity
us-gaap:StatementEquityComponents, dei:LegalEntity

us-gaap:ProfitLoss
dei:LegalEntity
us-gaap:StatementEquityComponents, dei:LegalEntity

us-gaap:DepreciationDepletionAndAmortization
dei:LegalEntity

us-gaap:IncreaseDecreaseInInventories
dei:LegalEntity

us-gaap:NetCashProvidedByUsedInInvestingActivities
dei:LegalEntity

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment
dei:LegalEntity

us-gaap:PaymentsToAcquireInvestments
dei:LegalEntity

us-gaap:NetCashProvidedByUsedInFinancingActivities
dei:LegalEntity

us-gaap:ProceedsFromIssuanceOfLongTermDebt
dei:LegalEntity

us-gaap:RepaymentsOfLongTermDebt
dei:LegalEntity
us-gaap:DebtInstrument, dei:LegalEntity

us-gaap:RepaymentsOfLongTermDebt
dei:LegalEntity
us-gaap:DebtInstrument, dei:LegalEntity

us-gaap:EffectiveIncomeTaxRateContinuingOperations
dei:LegalEntity

us-gaap:OperatingLeaseRightOfUseAsset
dei:LegalEntity

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
dei:LegalEntity

us-gaap:ProceedsFromRepaymentsOfShortTermDebt
us-gaap:PropertyPlantAndEquipmentByType
duk:CoalFiredGenerationCapacityPotentialPlantsToBeRetiredInMegawatts
us-gaap:PropertyPlantAndEquipmentByType, us-gaap:PublicUtility, dei:LegalEntity
us-gaap:RetirementPlanType
duk:DefinedBenefitPlanAmortizationofSettlementCharges
us-gaap:RetirementPlanType, dei:LegalEntity
us-gaap:CounterpartyName, duk:InvestmentsbyConsolidatedandNonconsolidatedEntities, dei:LegalEntity
duk:FinancingReceivableSales

duk:IncomeLossfromContinuingOperationsNetofTaxExcludingParticipatingSecurities

duk:NetIncomeLossAllocationtoNoncontrollingTaxEquityMembers

duk:NetIncomeLossIncludingPortionAttributabletoNoncontrollingInterestIncludingPreferredDistributions
us-gaap:StatementEquityComponents

duk:OtherProceedsfromShorttermDebtMaturinginMorethanThreeMonths

duk:OtherRepaymentsofShorttermDebtMaturinginMorethanThreeMonths
dei:LegalEntity
duk:ProceedsOrPaymentsFromCollectionOrAdvanceToAffiliate

duk:ProvisionForRateRefunds
dei:LegalEntity

us-gaap:AccrualForEnvironmentalLossContingenciesPayments1
dei:LegalEntity

us-gaap:AccrualForEnvironmentalLossContingenciesPeriodIncreaseDecrease
dei:LegalEntity

us-gaap:AllowanceForDoubtfulAccountsReceivableWriteOffs
dei:LegalEntity

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:AssetImpairmentCharges

us-gaap:AssetRetirementObligationCashPaidToSettle
dei:LegalEntity

us-gaap:CapitalExpendituresIncurredButNotYetPaid
dei:LegalEntity

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
dei:LegalEntity
us-gaap:CounterpartyName, duk:InvestmentsbyConsolidatedandNonconsolidatedEntities, dei:LegalEntity
us-gaap:CashFlowsBetweenTransfereeAndTransferorProceedsFromNewTransfers
us-gaap:StatementClassOfStock
us-gaap:CommonStockDividendsPerShareDeclared
us-gaap:AdjustmentsForNewAccountingPronouncements
us-gaap:CumulativeEffectOnRetainedEarningsBeforeTax1
us-gaap:AdjustmentsForNewAccountingPronouncements, dei:LegalEntity
us-gaap:ConsolidatedEntities, us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:DebtInstrumentInterestRateDuringPeriod
us-gaap:DebtInstrument, us-gaap:LongtermDebtType, dei:LegalEntity

us-gaap:DebtSecuritiesAvailableForSaleRealizedGain
dei:LegalEntity

us-gaap:DebtSecuritiesAvailableForSaleRealizedLoss
dei:LegalEntity

us-gaap:DeferredIncomeTaxesAndTaxCredits
dei:LegalEntity
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses
us-gaap:RetirementPlanType, dei:LegalEntity
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAmortizationOfPriorServiceCostCredit
us-gaap:RetirementPlanType, dei:LegalEntity
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets
us-gaap:RetirementPlanType, dei:LegalEntity
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanInterestCost
us-gaap:RetirementPlanType, dei:LegalEntity
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost
us-gaap:RetirementPlanType, dei:LegalEntity
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanServiceCost
us-gaap:RetirementPlanType, dei:LegalEntity
us-gaap:DerivativeInstrumentRisk, us-gaap:PublicUtility
us-gaap:DerivativeNonmonetaryNotionalAmountEnergyMeasure
us-gaap:DerivativeInstrumentRisk, us-gaap:PublicUtility, dei:LegalEntity
us-gaap:DerivativeInstrumentRisk, us-gaap:PublicUtility
us-gaap:DerivativeNonmonetaryNotionalAmountVolume
us-gaap:DerivativeInstrumentRisk, us-gaap:PublicUtility, dei:LegalEntity

us-gaap:Dividends
dei:LegalEntity
us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents, dei:LegalEntity

us-gaap:DividendsCommonStockStock

us-gaap:EarningsPerShareBasicAndDiluted

us-gaap:EnvironmentalExitCostsReasonablyPossibleAdditionalLoss
dei:LegalEntity

us-gaap:EquitySecuritiesFvNiRealizedGain
dei:LegalEntity

us-gaap:EquitySecuritiesFvNiRealizedLoss
dei:LegalEntity
dei:LegalEntity
us-gaap:FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationPeriodIncreaseDecrease

us-gaap:FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationSettlements
dei:LegalEntity
us-gaap:ForwardContractIndexedToIssuersEquityType
us-gaap:ForwardContractIndexedToIssuersEquityForwardRate

us-gaap:GainLossOnDispositionOfAssets1
dei:LegalEntity
us-gaap:CounterpartyName, duk:InvestmentsbyConsolidatedandNonconsolidatedEntities, dei:LegalEntity
us-gaap:GainLossOnSaleOfAccountsReceivable

us-gaap:GainLossOnSaleOfOtherAssets
dei:LegalEntity

us-gaap:IncomeLossFromContinuingOperationsPerBasicAndDilutedShare

us-gaap:IncomeLossFromEquityMethodInvestments
dei:LegalEntity

us-gaap:IncreaseDecreaseInAccountsPayable
dei:LegalEntity
dei:LegalEntity
us-gaap:IncreaseDecreaseInAccountsPayableRelatedParties
dei:LegalEntity
us-gaap:IncreaseDecreaseInAccountsReceivableRelatedParties

us-gaap:IncreaseDecreaseInAccruedTaxesPayable
dei:LegalEntity

us-gaap:IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities
dei:LegalEntity

us-gaap:IncreaseDecreaseInOtherCurrentAssets
dei:LegalEntity

us-gaap:IncreaseDecreaseInOtherNoncurrentAssets
dei:LegalEntity

us-gaap:IncreaseDecreaseInOtherOperatingLiabilities
dei:LegalEntity

us-gaap:IncreaseDecreaseInReceivables
dei:LegalEntity
us-gaap:LitigationCase, us-gaap:SubsequentEventType, dei:LegalEntity
us-gaap:LossContingencyClaimsDismissedNumber

us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders
us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance
us-gaap:StatementEquityComponents

us-gaap:OtherAssetImpairmentCharges
dei:LegalEntity

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax
dei:LegalEntity

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax

us-gaap:OtherComprehensiveIncomeLossNetOfTax
dei:LegalEntity
us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents, dei:LegalEntity

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
dei:LegalEntity

us-gaap:PaymentsForProceedsFromOtherInvestingActivities
dei:LegalEntity

us-gaap:PaymentsOfOrdinaryDividends

us-gaap:PaymentsToAcquireInterestInSubsidiariesAndAffiliates
us-gaap:StatementScenario, us-gaap:StatementClassOfStock
us-gaap:PreferredStockDividendRatePercentage

us-gaap:PreferredStockDividendsIncomeStatementImpact
us-gaap:StatementClassOfStock
us-gaap:PreferredStockDividendsPerShareDeclared
us-gaap:CounterpartyName, duk:InvestmentsbyConsolidatedandNonconsolidatedEntities, dei:LegalEntity
us-gaap:ProceedsFromCollectionOfRetainedInterestInSecuritizedReceivables

us-gaap:ProceedsFromIssuanceOfCommonStock

us-gaap:ProceedsFromMinorityShareholders

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities
dei:LegalEntity
dei:LegalEntity
us-gaap:ProceedsFromRepaymentsOfRelatedPartyDebt

us-gaap:ProceedsFromSaleMaturityAndCollectionsOfInvestments
dei:LegalEntity

us-gaap:ProvisionForDoubtfulAccounts
dei:LegalEntity

us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity
dei:LegalEntity
us-gaap:PublicUtilitiesRegulatoryProceeding, us-gaap:PublicUtility, us-gaap:RegulatoryAgency, us-gaap:SubsequentEventType, dei:LegalEntity
us-gaap:PublicUtilitiesApprovedRateIncreaseDecreaseAmount
us-gaap:PublicUtilitiesRegulatoryProceeding, us-gaap:RegulatoryAgency, us-gaap:SubsequentEventType, dei:LegalEntity
us-gaap:PublicUtilitiesRegulatoryProceeding, us-gaap:RegulatoryAgency, dei:LegalEntity
us-gaap:PublicUtilitiesApprovedReturnOnEquityPercentage
us-gaap:PublicUtilitiesRegulatoryProceeding, us-gaap:RegulatoryAgency, dei:LegalEntity
us-gaap:PublicUtilitiesRequestedRateIncreaseDecreaseAmendedAmount
us-gaap:PublicUtilitiesRegulatoryProceeding, us-gaap:RegulatoryAgency, us-gaap:SubsequentEventType, dei:LegalEntity
us-gaap:PublicUtilitiesRequestedRateIncreaseDecreaseAmount

us-gaap:RegulatedAndUnregulatedOperatingRevenue
dei:LegalEntity
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments, dei:LegalEntity
us-gaap:StatementBusinessSegments

us-gaap:RegulatedOperatingRevenueElectricNonNuclear
dei:LegalEntity

us-gaap:RegulatedOperatingRevenueGas
dei:LegalEntity
us-gaap:RelatedPartyTransaction, us-gaap:RelatedPartyTransactionsByRelatedParty, dei:LegalEntity
us-gaap:RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty
us-gaap:RelatedPartyTransaction, us-gaap:RelatedPartyTransactionsByRelatedParty, dei:LegalEntity
us-gaap:RelatedPartyTransactionOtherRevenuesFromTransactionsWithRelatedParty
us-gaap:StatementScenario, us-gaap:DebtInstrument
us-gaap:RepaymentsOfDebt

us-gaap:RevenueNotFromContractWithCustomer
dei:LegalEntity
us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodSharesNewIssues
us-gaap:StatementClassOfStock
us-gaap:StockIssuedDuringPeriodValueNewIssues
us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents

us-gaap:StockholdersEquityOther
dei:LegalEntity
us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents, dei:LegalEntity

us-gaap:TaxesExcludingIncomeAndExciseTaxes
dei:LegalEntity
dei:LegalEntity
us-gaap:UnrealizedGainLossOnDerivatives

us-gaap:UnregulatedOperatingRevenue

us-gaap:UtilitiesOperatingExpenseMaintenanceOperationsAndOtherCostsAndExpenses
dei:LegalEntity
duk:InvestmentsbyConsolidatedandNonconsolidatedEntities
us-gaap:VariableInterestEntityFinancialOrOtherSupportAmount

duk:AllowanceforDoubtfulAccountsandOtherReceivablesCurrent
dei:LegalEntity
us-gaap:InvestmentSecondaryCategorization
duk:CashAndCashEquivalentInvestments
us-gaap:InvestmentSecondaryCategorization, dei:LegalEntity

duk:DebtSecuritiesAvailableforsaleandEquitySecuritiesFVNI
dei:LegalEntity
us-gaap:InvestmentSecondaryCategorization
us-gaap:InvestmentSecondaryCategorization, dei:LegalEntity

duk:DebtSecuritiesAvailableforsaleandEquitySecuritiesFVNIUnrealizedGain
dei:LegalEntity
us-gaap:InvestmentSecondaryCategorization
us-gaap:InvestmentSecondaryCategorization, dei:LegalEntity

duk:DebtSecuritiesAvailableforsaleandEquitySecuritiesFVNIUnrealizedLoss
dei:LegalEntity
us-gaap:InvestmentSecondaryCategorization
us-gaap:InvestmentSecondaryCategorization, dei:LegalEntity
dei:LegalEntity
duk:EquitySecuritiesFVNIAccumulatedUnrealizedGain
us-gaap:FinancialInstrument, us-gaap:InvestmentSecondaryCategorization
us-gaap:FinancialInstrument, us-gaap:InvestmentSecondaryCategorization, dei:LegalEntity
us-gaap:InvestmentSecondaryCategorization
us-gaap:InvestmentSecondaryCategorization, dei:LegalEntity
dei:LegalEntity
duk:EquitySecuritiesFVNIAccumulatedUnrealizedLoss
us-gaap:InvestmentSecondaryCategorization
us-gaap:InvestmentSecondaryCategorization, dei:LegalEntity
us-gaap:BalanceSheetLocation, us-gaap:PublicUtilitiesRegulatoryProceeding, dei:LegalEntity
duk:EstimatedStormCostsCapitalandOperationMaintenance
us-gaap:PublicUtilitiesRegulatoryProceeding, dei:LegalEntity

duk:FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsDeferredGainsOrLossesAsRegulatoryAssetOrLiability
dei:LegalEntity

duk:GenerationFacilitiesToBeRetiredNet
dei:LegalEntity

duk:OtherOperatingLeaseLiabilityNoncurrent
dei:LegalEntity

duk:TradeandOtherReceivables
dei:LegalEntity

duk:TradeandOtherReceivablesNotPastDue
dei:LegalEntity
us-gaap:FinancingReceivablesPeriodPastDue
duk:TradeandOtherReceivablesPastDue
us-gaap:FinancingReceivablesPeriodPastDue, dei:LegalEntity

us-gaap:AccountsAndOtherReceivablesNetCurrent
dei:LegalEntity
us-gaap:CounterpartyName, duk:InvestmentsbyConsolidatedandNonconsolidatedEntities
us-gaap:AccountsReceivableFromSecuritization
us-gaap:CounterpartyName, duk:InvestmentsbyConsolidatedandNonconsolidatedEntities, dei:LegalEntity

us-gaap:AccrualForEnvironmentalLossContingencies
dei:LegalEntity

us-gaap:AccumulatedDeferredInvestmentTaxCredit
dei:LegalEntity

us-gaap:AdditionalCollateralAggregateFairValue
dei:LegalEntity

us-gaap:AdditionalPaidInCapitalCommonStock
dei:LegalEntity

us-gaap:AllowanceForDoubtfulAccountsReceivable
dei:LegalEntity
us-gaap:CounterpartyName
us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent
us-gaap:CounterpartyName, dei:LegalEntity

us-gaap:AssetRetirementObligationCurrent
dei:LegalEntity

us-gaap:AssetRetirementObligationsNoncurrent
dei:LegalEntity
us-gaap:CounterpartyName, duk:InvestmentsbyConsolidatedandNonconsolidatedEntities

us-gaap:AssetsFairValueDisclosure
dei:LegalEntity
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:FairValueByFairValueHierarchyLevel, dei:LegalEntity
us-gaap:FinancialInstrument, dei:LegalEntity
us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
us-gaap:FinancialInstrument, us-gaap:InvestmentSecondaryCategorization
us-gaap:FinancialInstrument, us-gaap:InvestmentSecondaryCategorization, dei:LegalEntity
us-gaap:FinancialInstrument, dei:LegalEntity
us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
us-gaap:FinancialInstrument, us-gaap:InvestmentSecondaryCategorization
us-gaap:FinancialInstrument, us-gaap:InvestmentSecondaryCategorization, dei:LegalEntity

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue
dei:LegalEntity

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue
dei:LegalEntity

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue
dei:LegalEntity

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue
dei:LegalEntity

us-gaap:AvailableForSaleSecuritiesDebtSecurities
us-gaap:CounterpartyName, duk:InvestmentsbyConsolidatedandNonconsolidatedEntities, dei:LegalEntity
us-gaap:ContinuingInvolvementWithTransferredFinancialAssetsPrincipalAmountOutstanding

us-gaap:DebtInstrumentFaceAmount
us-gaap:BusinessAcquisition
us-gaap:DebtInstrumentUnamortizedDiscountPremiumNet

us-gaap:DecommissioningFundInvestments
dei:LegalEntity

us-gaap:DeferredCreditsAndOtherLiabilities
dei:LegalEntity
duk:InvestmentsbyConsolidatedandNonconsolidatedEntities
us-gaap:CounterpartyName
us-gaap:CounterpartyName, duk:InvestmentsbyConsolidatedandNonconsolidatedEntities

us-gaap:DeferredIncomeTaxesAndOtherTaxLiabilitiesNoncurrent
dei:LegalEntity
duk:InvestmentsbyConsolidatedandNonconsolidatedEntities
us-gaap:CounterpartyName, duk:InvestmentsbyConsolidatedandNonconsolidatedEntities
us-gaap:CounterpartyName, duk:InvestmentsbyConsolidatedandNonconsolidatedEntities, dei:LegalEntity
us-gaap:DerecognizedAssetsSecuritizedOrAssetbackedFinancingArrangementAssetsAndAnyOtherFinancialAssetsManagedTogetherPrincipalAmountOutstanding
us-gaap:BalanceSheetLocation
us-gaap:DerivativeAssetFairValueGrossLiability
us-gaap:BalanceSheetLocation, dei:LegalEntity
us-gaap:Range, us-gaap:FairValueByAssetClass, us-gaap:ValuationTechnique, dei:LegalEntity
us-gaap:DerivativeAssetLiabilityNetMeasurementInput
us-gaap:Range, us-gaap:FairValueByLiabilityClass, us-gaap:ValuationTechnique, dei:LegalEntity

us-gaap:DerivativeAssets
dei:LegalEntity
us-gaap:BalanceSheetLocation
us-gaap:BalanceSheetLocation, dei:LegalEntity
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:FairValueByFairValueHierarchyLevel, dei:LegalEntity
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:InvestmentSecondaryCategorization
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:InvestmentSecondaryCategorization, dei:LegalEntity
us-gaap:InvestmentSecondaryCategorization
us-gaap:InvestmentSecondaryCategorization, dei:LegalEntity

us-gaap:DerivativeFairValueOfDerivativeAsset

us-gaap:DerivativeFairValueOfDerivativeLiability

us-gaap:DerivativeLiabilities
us-gaap:BalanceSheetLocation
us-gaap:DerivativeLiabilityFairValueGrossAsset
us-gaap:BalanceSheetLocation, dei:LegalEntity

us-gaap:DerivativeNetLiabilityPositionAggregateFairValue
dei:LegalEntity
us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeNotionalAmount
us-gaap:DerivativeInstrumentRisk, dei:LegalEntity
us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation
us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation, dei:LegalEntity
us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation, duk:InvestmentsbyConsolidatedandNonconsolidatedEntities
dei:LegalEntity
us-gaap:DueFromRelatedPartiesCurrent
duk:InvestmentsbyConsolidatedandNonconsolidatedEntities, dei:LegalEntity
dei:LegalEntity
us-gaap:DueToRelatedPartiesCurrent

us-gaap:EquityMethodInvestments
dei:LegalEntity
duk:InvestmentsbyConsolidatedandNonconsolidatedEntities
us-gaap:CounterpartyName, duk:InvestmentsbyConsolidatedandNonconsolidatedEntities
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, duk:InvestmentsbyConsolidatedandNonconsolidatedEntities
dei:LegalEntity
us-gaap:EquitySecuritiesFvNi
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:InvestmentSecondaryCategorization
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:InvestmentSecondaryCategorization, dei:LegalEntity
us-gaap:FinancialInstrument, us-gaap:InvestmentSecondaryCategorization
us-gaap:FinancialInstrument, us-gaap:InvestmentSecondaryCategorization, dei:LegalEntity
us-gaap:InvestmentSecondaryCategorization
us-gaap:InvestmentSecondaryCategorization, dei:LegalEntity

us-gaap:FairValueNetAssetLiability
dei:LegalEntity
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:FairValueByFairValueHierarchyLevel, dei:LegalEntity

us-gaap:FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisWithUnobservableInputs
dei:LegalEntity
us-gaap:FairValueByAssetClass, us-gaap:ValuationTechnique, dei:LegalEntity
us-gaap:FairValueByLiabilityClass, us-gaap:ValuationTechnique, dei:LegalEntity
us-gaap:ForwardContractIndexedToIssuersEquityType
us-gaap:ForwardContractIndexedToIssuersEquityIndexedShares

us-gaap:GoodwillGross

us-gaap:GoodwillImpairedAccumulatedImpairmentLoss
dei:LegalEntity
us-gaap:StatementBusinessSegments
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:GuaranteeObligationsByNature
us-gaap:GuaranteeObligationsMaximumExposure
us-gaap:RelatedPartyTransactionsByRelatedParty, dei:LegalEntity
us-gaap:IncomeTaxesReceivable

us-gaap:InterestPayableCurrent
dei:LegalEntity

us-gaap:InvestmentsAndOtherNoncurrentAssets
dei:LegalEntity
us-gaap:JointlyOwnedUtilityPlant, us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:JointlyOwnedUtilityPlantProportionateOwnershipShare
us-gaap:ConsolidatedEntities, us-gaap:CreditFacility
us-gaap:LettersOfCreditOutstandingAmount
us-gaap:CreditFacility
us-gaap:CreditFacility, dei:LegalEntity

us-gaap:LiabilitiesOtherThanLongtermDebtNoncurrent
dei:LegalEntity
us-gaap:LitigationCase, us-gaap:LossContingenciesByNatureOfContingency, dei:LegalEntity
us-gaap:LiabilityForAsbestosAndEnvironmentalClaimsGross
us-gaap:LossContingenciesByNatureOfContingency, dei:LegalEntity
us-gaap:CreditFacility, us-gaap:DebtInstrument
us-gaap:LineOfCredit
us-gaap:CounterpartyName, duk:InvestmentsbyConsolidatedandNonconsolidatedEntities
us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity
us-gaap:CounterpartyName, duk:InvestmentsbyConsolidatedandNonconsolidatedEntities, dei:LegalEntity
us-gaap:CreditFacility
us-gaap:CreditFacility, dei:LegalEntity
us-gaap:ConsolidatedEntities, us-gaap:CreditFacility
us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity
us-gaap:CreditFacility
us-gaap:CreditFacility, dei:LegalEntity

us-gaap:LongTermDebtFairValue
dei:LegalEntity
us-gaap:ConsolidatedEntities, us-gaap:CreditFacility
us-gaap:LongtermCommercialPaperCurrentAndNoncurrent
us-gaap:CreditFacility
us-gaap:CreditFacility, dei:LegalEntity
us-gaap:CreditFacility
us-gaap:LongtermPollutionControlBondCurrentAndNoncurrent

us-gaap:LossContingencyAccrualAtCarryingValue
dei:LegalEntity
us-gaap:LitigationCase, us-gaap:LossContingenciesByNatureOfContingency, dei:LegalEntity
us-gaap:LossContingencyPendingClaimsNumber
us-gaap:LossContingenciesByNatureOfContingency, dei:LegalEntity
us-gaap:LossContingencyReceivableNoncurrent
dei:LegalEntity
us-gaap:MembersCapital
dei:LegalEntity
us-gaap:MembersEquity
us-gaap:StatementEquityComponents, dei:LegalEntity
dei:LegalEntity
us-gaap:NotesPayableRelatedPartiesClassifiedCurrent
dei:LegalEntity
us-gaap:NotesPayableRelatedPartiesNoncurrent
dei:LegalEntity
us-gaap:NotesReceivableRelatedPartiesCurrent
us-gaap:StatementScenario
us-gaap:PreferredStockRedemptionPricePerShare
us-gaap:StatementClassOfStock
us-gaap:PreferredStockValue

us-gaap:PublicUtilitiesInventory
dei:LegalEntity
us-gaap:PublicUtilitiesInventory
us-gaap:PublicUtilitiesInventory, dei:LegalEntity

us-gaap:PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation
dei:LegalEntity
us-gaap:CounterpartyName, duk:InvestmentsbyConsolidatedandNonconsolidatedEntities

us-gaap:PublicUtilitiesPropertyPlantAndEquipmentNet
dei:LegalEntity
us-gaap:PropertyPlantAndEquipmentByType
us-gaap:PropertyPlantAndEquipmentByType, dei:LegalEntity
us-gaap:PropertyPlantAndEquipmentByType, us-gaap:PublicUtility, dei:LegalEntity

us-gaap:PublicUtilitiesPropertyPlantAndEquipmentPlantInService
dei:LegalEntity
us-gaap:CounterpartyName, duk:InvestmentsbyConsolidatedandNonconsolidatedEntities

us-gaap:RegulatoryAssetsCurrent
dei:LegalEntity
us-gaap:CounterpartyName
us-gaap:CounterpartyName, dei:LegalEntity
us-gaap:CounterpartyName, duk:InvestmentsbyConsolidatedandNonconsolidatedEntities, dei:LegalEntity

us-gaap:RegulatoryAssetsNoncurrent

us-gaap:RegulatoryLiabilityCurrent
dei:LegalEntity

us-gaap:RegulatoryLiabilityNoncurrent
dei:LegalEntity

us-gaap:RestrictedCashAndCashEquivalentsAtCarryingValue
dei:LegalEntity

us-gaap:RestrictedCashAndCashEquivalentsNoncurrent
dei:LegalEntity
dei:LegalEntity
us-gaap:RevenueRemainingPerformanceObligation
us-gaap:CounterpartyName, duk:InvestmentsbyConsolidatedandNonconsolidatedEntities, dei:LegalEntity
us-gaap:SecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherPrincipalAmountOutstanding

us-gaap:ShortTermBorrowings

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
dei:LegalEntity
us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents, dei:LegalEntity

us-gaap:UnbilledReceivablesCurrent
dei:LegalEntity
us-gaap:CounterpartyName, dei:LegalEntity
duk:InvestmentsbyConsolidatedandNonconsolidatedEntities
us-gaap:VariableInterestEntityNonconsolidatedCarryingAmountAssets
duk:InvestmentsbyConsolidatedandNonconsolidatedEntities, dei:LegalEntity
us-gaap:CounterpartyName, duk:InvestmentsbyConsolidatedandNonconsolidatedEntities
duk:InvestmentsbyConsolidatedandNonconsolidatedEntities
us-gaap:VariableInterestEntityNonconsolidatedCarryingAmountAssetsAndLiabilitiesNet
duk:InvestmentsbyConsolidatedandNonconsolidatedEntities, dei:LegalEntity
us-gaap:CounterpartyName, duk:InvestmentsbyConsolidatedandNonconsolidatedEntities
duk:InvestmentsbyConsolidatedandNonconsolidatedEntities
us-gaap:VariableInterestEntityNonconsolidatedCarryingAmountLiabilities
us-gaap:CounterpartyName, duk:InvestmentsbyConsolidatedandNonconsolidatedEntities

Tables

  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-06-302016-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
 us-gaap:CommonStockValue dei:LegalEntity duk:PiedmontNaturalGas████▆▆▆▆▁▁13101310131013101160116011601160860860NANANANANANANANANANANANANANANANANANA
us-gaap:CommonStockSharesOutstanding ▃▃▃▃▃▃▃▃▃▃▃▃▃▃▁██████735733729728728727713712701700689706704704446133813361332133213311329NANANA1309NANANA
 us-gaap:CommonStockSharesOutstanding dei:LegalEntity duk:DukeEnergyOhio▁▁▁▁▁▁▁▁▁▁▁▁▁█90909090909090909090898989120NA898989898989NANANA89NANANA
 us-gaap:CommonStockSharesOutstanding us-gaap:StatementEquityComponents us-gaap:CommonStock██▇▇▇▇▅▄▃▃▁735733729728728727713712701700689NA704NANA13381336133213321331132913241318NA1309NANANA
 us-gaap:CommonStockSharesAuthorized dei:LegalEntity duk:DukeEnergyOhio█████████████▁12012012012012012012012012012012012012089NA120120120120120120NANANA120NANANA
 us-gaap:CommonStockSharesAuthorized dei:LegalEntity duk:ProgressEnergy▄▄▄▄▄▄▄▄▄▄▄▄▄0000000000000NANANA500NANANANANANANANANANANA
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding 736NA729728727NA714704701700690705NA6994461337NA133313331331NA132213141311NANANANA
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic 734NA729728727NA713703701700689705NA6994461337NA133213321330NA132013141310NANANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-06-302016-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax ▆▆█▆▇▆▇▆▆▆▅▆▆█▂▂▂▃▂▂▂▃▂▂▁▂▁▂5800586367925695599859126451546759285555521358985695672235773630336839643534366334453946328735943110339629133312
 us-gaap:CostOfGoodsAndServicesSold dei:LegalEntity duk:DukeEnergyCarolinas▅▃█▁▆▅▇▂▆▄453433504395472451490407473435NANANANANANANANANANANANANANANANANANA
 us-gaap:CostOfGoodsAndServicesSold dei:LegalEntity duk:DukeEnergyFlorida▁▄█▅▂▅█▄▄▄358483610509410518614486467455NANANANANANANANANANANANANANANANANANA
 us-gaap:CostOfGoodsAndServicesSold dei:LegalEntity duk:DukeEnergyIndiana▁▃▅▄▇██▄▄▅194215234229257270272226232234NANANANANANANANANANANANANANANANANANA
 us-gaap:CostOfGoodsAndServicesSold dei:LegalEntity duk:DukeEnergyProgress▂▃█▅▆▃▇▂▆▁405441577479515440535408509375NANANANANANANANANANANANANANANANANANA
 us-gaap:CostOfGoodsAndServicesSold dei:LegalEntity duk:PiedmontNaturalGas▅▄▁▂█▆▁▂█▂1621484665273197547425965NANANANANANANANANANANANANANANANANANA
 us-gaap:CostOfGoodsAndServicesSold dei:LegalEntity duk:ProgressEnergy▁▄█▅▄▄▇▃▅▂76392411879889259571148895976831NANANANANANANANANANANANANANANANANANA
 us-gaap:CostOfGoodsAndServicesSold us-gaap:ProductOrService srt:NaturalGasReserves▅▄▁▂█▆▁▂█▂1991764876327237588931376NANANANANANANANANANANANANANANANANANA
 us-gaap:CostOfGoodsAndServicesSold us-gaap:ProductOrService us-gaap:Electricity1447NA197816411609NA1931157416761541NANANANANANANANANANANANANANANANANANA
 us-gaap:CostOfGoodsAndServicesSold us-gaap:ProductOrService,dei:LegalEntity srt:NaturalGasReserves,duk:DukeEnergyOhio▆▄▁▂█▆▁▃37274105440415NANANANANANANANANANANANANANANANANANANANA
 us-gaap:CostOfGoodsAndServicesSold us-gaap:ProductOrService,dei:LegalEntity us-gaap:ElectricityUsRegulated,duk:DukeEnergyOhio▁▂▆▁▂█▃▂879511486931289993NANANANANANANANANANANANANANANANANANANANA
us-gaap:CostDepreciationAmortizationAndDepletion ▇██▆▆▆▅▄▄▁1130118411861089108910951039973967835NANANANANANANANANANANANANANANANANANA
 us-gaap:CostDepreciationAmortizationAndDepletion dei:LegalEntity duk:DukeEnergyCarolinas▆█▆▆▄▅▃▂▁▁343375350346317335305289272269NANANANANANANANANANANANANANANANANANA
 us-gaap:CostDepreciationAmortizationAndDepletion dei:LegalEntity duk:DukeEnergyFlorida▅██▇▅▆▆▂▃▁165180182175165168166144150137NANANANANANANANANANANANANANANANANANA
 us-gaap:CostDepreciationAmortizationAndDepletion dei:LegalEntity duk:DukeEnergyIndiana██▇███▇▇▇▁13213213013213113413012613091NANANANANANANANANANANANANANANANANANA
 us-gaap:CostDepreciationAmortizationAndDepletion dei:LegalEntity duk:DukeEnergyProgress▇▇█▅▇▆▅▄▄▁287288314251290268253235235173NANANANANANANANANANANANANANANANANANA
 us-gaap:CostDepreciationAmortizationAndDepletion dei:LegalEntity duk:ProgressEnergy▆▇█▅▆▆▅▄▄▁452468496426455436419380384311NANANANANANANANANANANANANANANANANANA
us-gaap:CostsAndExpenses ▅▆▆▅▆▇▇▆▆▄▅▆▆█▁▂4462499050114578478752425059466747794175434446854923565827953138NA319228592859NA291533062835NANANANA
 us-gaap:CostsAndExpenses dei:LegalEntity duk:DukeEnergyCarolinas▄▇▆▄▅█▆▇▄▄▄▅▆█▄▁1265142913691262130915341377144712811244121112971396150212331029NA132812771189NA135812031200NANANANA
 us-gaap:CostsAndExpenses dei:LegalEntity duk:DukeEnergyFlorida▃▆▇▆▃▇▇▄▄▃▂▁▇█▅▁85610391136103189811351131958942885833747112411821000756NANANANANANANANANANANANA
 us-gaap:CostsAndExpenses dei:LegalEntity duk:DukeEnergyIndiana▁▂▂▂▂▃▃▂▂▁▁▁▁▅▁█534582572569596638646569563532528543533748551960NA760511529NA545470489NANANANA
 us-gaap:CostsAndExpenses dei:LegalEntity duk:DukeEnergyProgress▃▅█▅▆▅▇▃▆▁▂▃▂▆▃▂104411621315112811841139125910591192918958100497912271007984NANANANANANANANANANANANA
 us-gaap:CostsAndExpenses dei:LegalEntity duk:ProgressEnergy▃▅█▅▄▆▇▄▅▂▂▁▅█▄▁1904219724572163208422762393202021351807179417562103241120121740NANANANANANANANANANANANA
us-gaap:OperatingIncomeLoss ▆▅█▆▆▄▇▅▆▆▅▅▄▅▄▃▃▄▃▄▄▅▁▄▃▃▃▄148811091929129813738711579979125613871145121576710787864955177676798146811033-14761595445528681
 us-gaap:OperatingIncomeLoss dei:LegalEntity duk:DukeEnergyCarolinas▄▃█▄▄▁▇▁▄▄▄▄▁▄▃▄▁▅▂▃484347793451435241713224482485464434216440386475245541331363NA521313347NANANANA
 us-gaap:OperatingIncomeLoss dei:LegalEntity duk:DukeEnergyFlorida▅▅█▇▄▃▇▅▄▆▆▅▁▅▅▅224205413321188107331245173306300221-29207196255NANANANANANANANANANANANA
 us-gaap:OperatingIncomeLoss dei:LegalEntity duk:DukeEnergyIndiana▇▇█▇▇▇▇▇▇█▇▇▆▄▇▁▆▄▆▇15813323514816913317316916821017418193-30134-27285-42109130NA149109121NANANANA
 us-gaap:OperatingIncomeLoss dei:LegalEntity duk:DukeEnergyProgress▆▅█▅▆▄▇▅▅▆▅▄▃▃▁▂29323637325930022733023326928225521214817283107NANANANANANANANANANANANA
 us-gaap:OperatingIncomeLoss dei:LegalEntity duk:PiedmontNaturalGas█▆▁▂▇▄▁▂▆▂▂213139-13617279-195161514NANANANANANANANANANANANANANANANANA
 us-gaap:OperatingIncomeLoss dei:LegalEntity duk:ProgressEnergy▆▅█▆▅▄▇▅▅▆▆▅▂▄▃▄▁▇▅▅51744778658048833466348444759156043011837927736316687433447NANANANANANANANA
us-gaap:InterestExpense █▇█▇▇▇▇▇▇▆▇▄▄▅▁▁551547572542543544517518515486500367385401232224NA213203219NA202212210NANANANA
 us-gaap:InterestExpense dei:LegalEntity duk:DukeEnergyCarolinas█▇▇▇▆▇▅▆▅▅▅▁▄▃▃▄1231171191171101161061101071031078299959397NA938289NA958690NANANANA
 us-gaap:InterestExpense dei:LegalEntity duk:DukeEnergyFlorida█████▇▆▅▆▆▁▂▄▄▆▅84828183827773667170404961626963NANANANANANANANANANANANA
 us-gaap:InterestExpense dei:LegalEntity duk:DukeEnergyProgress▅▆▆█▇▇█▇█▆▄▁▂▂▂▂69747481777882788170644851525351NANANANANANANANANANANANA
 us-gaap:InterestExpense dei:LegalEntity duk:ProgressEnergy▆▇▇███▇▆▇▅▁▆▃▄▅▄206212212219219216214203209196160198180182193185NANANANANANANANANANANANA
us-gaap:OtherNonoperatingIncomeExpense ▁▇▆▄▇▃█▆▄▄▅▄▆█▃▄461221048911572131110868192801061327089NA8397-117NA11688-91NANANANA
 us-gaap:OtherNonoperatingIncomeExpense dei:LegalEntity duk:PiedmontNaturalGas12NANANA45333-1NANANANANANANANANANANANANANANANANANA
us-gaap:IncomeLossFromContinuingOperations ▅▃█▄▅▁▆▁▂▃▂▃89966713278209004441078505620688510634NANA449297NANA441513NANANANANANANANA
 us-gaap:IncomeLossFromContinuingOperations us-gaap:ConsolidationItems,dei:LegalEntity us-gaap:CorporateNonSegment,duk:DukeEnergyCarolinas98NANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:IncomeLossFromContinuingOperations us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,duk:ElectricUtilitiesandInfrastructure▂▁█▃▃▁▆▁▃▂▂70559213858097505661167575750729704NANANANANANANANANANANANANANANANANA
 us-gaap:IncomeLossFromContinuingOperations us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,duk:GasUtilitiesandInfrastructure█▅▁▂▇▄▁▁▄▁▁249140264022611317281162716NANANANANANANANANANANANANANANANANA
 us-gaap:IncomeLossFromContinuingOperations us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,duk:TotalReportableSegments1011NANANA989NANANANA782630NANANANANANANANANANANANANANANANANA
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest ▅▃█▄▅▁▆▂▄▅▃▅▂▄▃▁1027709151188998843312306078031018752964546842663400NA677633746NA967NANANANANANA
 us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest dei:LegalEntity duk:DukeEnergyCarolinas▄▃█▄▄▁▇▁▄▄▄▄▁▄▃▄404275708375356170641149414418402388172393336417NA495299316NA477NANANANANANA
 us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest dei:LegalEntity duk:DukeEnergyFlorida▅▄█▆▄▃▇▆▄▆▇▅▁▅▅▆15013234625011941286205123250274180-80156136201NANANANANANANANANANANANA
 us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest dei:LegalEntity duk:DukeEnergyIndiana▇▆█▇▇▇▇▇▇█▇▇▆▄▇▁1259420312814510015413213517513314484-41117-283NA-5096117NA136NANANANANANA
 us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest dei:LegalEntity duk:DukeEnergyProgress▆▅█▅▆▄▇▄▅▆▅▄▃▃▁▂2461873262022471752721742062262031781191414676NANANANANANANANANANANANA
 us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest dei:LegalEntity duk:PiedmontNaturalGas█▆▁▂▇▄▁▂▆▂▂198126-28-915664-32-11145-135NANANANANANANANANANANANANANANANANA
 us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest dei:LegalEntity duk:ProgressEnergy343NA615395300155500323273416428255-29229110217NANANANANANANANANANANANA
us-gaap:NonoperatingIncomeExpense ▃▇▇▆▇▄█▇▁▅▄▅██▄▅9014715413315810616814662117107116164165109129NA123157151NA136124120NANANANA
 us-gaap:NonoperatingIncomeExpense dei:LegalEntity duk:DukeEnergyCarolinas▅▆▂▅▁▆▂▂▄█43453441314534353950NA36NA484339NA4750NANANANANANANANANA
 us-gaap:NonoperatingIncomeExpense dei:LegalEntity duk:DukeEnergyFlorida▁▁▃▂▂▂█▇▅▅1091412131128262119NA8NA1199NANANANANANANANANANANANA
 us-gaap:NonoperatingIncomeExpense dei:LegalEntity duk:DukeEnergyIndiana▃▁▂▂▆▂█▁▁▃10688199236711NA4NA241923NA2621NANANANANANANANANA
 us-gaap:NonoperatingIncomeExpense dei:LegalEntity duk:DukeEnergyProgress▄▆█▆▆▇▆▂▁▇22252724242624191826NA14NA211620NANANANANANANANANANANANA
 us-gaap:NonoperatingIncomeExpense dei:LegalEntity duk:ProgressEnergy▁▂▄▂▁▃█▅▂▃32354134313751423536NA23NA322639NANANANANANANANANANANANA
us-gaap:IncomeTaxExpenseBenefit ▄▃▅▄▃▁▅▃▅█▆█▄▆▆▃1379518814195-1168100181327239330140248214103NA208192233NA301116226NANANANA
 us-gaap:IncomeTaxExpenseBenefit dei:LegalEntity duk:DukeEnergyCarolinas▃▂▆▃▃▁█▁▄█▇█▂▇▆█6556118746335145329114514114442135125151NA184106111NA16287115NANANANA
 us-gaap:IncomeTaxExpenseBenefit dei:LegalEntity duk:DukeEnergyFlorida▄▄▆▅▄▃▅▅▄▇█▆▁▆▅▆302657492314337209210370-35565373NANANANANANANANANANANANA
 us-gaap:IncomeTaxExpenseBenefit dei:LegalEntity duk:DukeEnergyIndiana▆▆▇▇▇▆▇▇▇█▇▇▆▅▇▁26214731352435343569485425-2240-116NA-192841NA443236NANANANA
 us-gaap:IncomeTaxExpenseBenefit dei:LegalEntity duk:DukeEnergyOhio▄▃▄▄▄▅▅▄▁▄▄▁▄▄▆█14611914201916-121612-1213122944NA46343NA85-4369NANANANA
 us-gaap:IncomeTaxExpenseBenefit dei:LegalEntity duk:DukeEnergyProgress▄▃▅▃▅▄▆▃▃███▂▅▁▂42324833444056352972726827451524NANANANANANANANANANANANA
 us-gaap:IncomeTaxExpenseBenefit dei:LegalEntity duk:PiedmontNaturalGas▆▆▁▂█▅▁▂█▂▃2021-10-23416-11-335-52NANANANANANANANANANANANANANANANANA
 us-gaap:IncomeTaxExpenseBenefit dei:LegalEntity duk:ProgressEnergy▄▃▆▄▄▃▆▄▃▇█▆▁▅▄▅604194665232945636139154101-21754276NANANANANANANANANANANANA
us-gaap:ProfitLoss ▅▃█▄▅▂▆▂▃▄▃▃▂▃▂▁▁▂▂▃89060713237488934541066502622689512634437598448299290470441513NA666-217445NANANANA
 us-gaap:ProfitLoss dei:LegalEntity duk:ProgressEnergy▅▅█▆▅▃▇▅▅▅▅▄▂▄▃▄▁▅▄▄2832295213292481234062672372772741543415764152-74293178185NANANANANANANANA
 us-gaap:ProfitLoss us-gaap:StatementEquityComponents,dei:LegalEntity us-gaap:Parent,duk:ProgressEnergy▄▃█▅▃▁▆▃283229521328249123404265NANANANANANANANANANANANANANANANANANANANA
 us-gaap:ProfitLoss us-gaap:StatementEquityComponents,dei:LegalEntity us-gaap:RetainedEarnings,duk:ProgressEnergy▄▃█▅▃▁▆▃283229521328249123404265NANANANANANANANANANANANANANANANANANANANA
us-gaap:ComprehensiveIncomeNetOfTax ▅▄█▅▅▃▇▃▄▄▃▄▃▃▂▂▁▁▃83668313128008884381086498631689558651469574298355242195494NANANANANANANANANA
 us-gaap:ComprehensiveIncomeNetOfTax dei:LegalEntity duk:DukeEnergyCarolinas▄▃█▄▄▁▇▁▄▃▃▃▁▃▂339219590301293135496117324274261244131258213NA125313194NANANANANANANANANA
 us-gaap:ComprehensiveIncomeNetOfTax dei:LegalEntity duk:DukeEnergyFlorida▄▄█▆▄▃▇▅▄▅▆▄▁▅▄▅1211052902019740243167103159171110-4412682129NANANANANANANANANANANANA
 us-gaap:ComprehensiveIncomeNetOfTax dei:LegalEntity duk:DukeEnergyIndiana99NA156971107611998100106859058-1977-16855-326876NANANANANANANANA
 us-gaap:ComprehensiveIncomeNetOfTax dei:LegalEntity duk:DukeEnergyProgress▄▂█▃▄▁▅▁▃▂▁204155278169203135216139177154131NA9216825NANANANANANANANANANANANANA
 us-gaap:ComprehensiveIncomeNetOfTax dei:LegalEntity duk:PiedmontNaturalGas█▅▁▁▆▃▁▁▆▁▂178105-18-712248-21-8110-83NANANANANANANANANANANANANANANANANA
 us-gaap:ComprehensiveIncomeNetOfTax dei:LegalEntity duk:ProgressEnergy▄▃█▅▃▁▆▃▃▄▄285229523331252127406267237281275NA2625560NANANANANANANANANANANANANA
us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest ▃▂▆▁▇▇▆████-62-67-19-84-7-10-162236NA240NA3-139NANANANANANANANANA
us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest ▅▃█▄▅▂▆▂▃▄▃▃▂▃▁▁81363013087288814281070500633692564651471578298359NA182503541NA765-234440NANANANA
 us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest dei:LegalEntity duk:ProgressEnergy▄▃█▅▃▁▆▄▃▄▄▂285229523332251127408269239284277156NANANA157NANANANANANANANANANANANA
us-gaap:NetIncomeLoss ▆▅█▆▆▄▇▄▅▅▄▅▄▅▄▃▃▄▄▄▄▅▁▄▄▂▃▄93870113278209004641082500620686509634435594444295288472435511427670-222445346109276344
 us-gaap:NetIncomeLoss dei:LegalEntity duk:DukeEnergyCarolinas▄▃█▄▄▁▇▁▄▃▃339219590301293135496117323273261NANANANANANANANANANANANANANANANANA
 us-gaap:NetIncomeLoss dei:LegalEntity duk:DukeEnergyFlorida▃▃█▆▃▁▇▅▃▄▅1201062892019640243168103158171NANANANANANANANANANANANANANANANANA
 us-gaap:NetIncomeLoss dei:LegalEntity duk:DukeEnergyIndiana▃▁█▃▄▁▅▃▃▄▂997315697110761199810010685NANANANANANANANANANANANANANANANANA
 us-gaap:NetIncomeLoss dei:LegalEntity duk:DukeEnergyProgress▄▂█▃▄▁▅▁▃▂▁204155278169203135216139177154131NANANANANANANANANANANANANANANANANA
 us-gaap:NetIncomeLoss dei:LegalEntity duk:PiedmontNaturalGas█▅▁▁▆▃▁▁▆▁▂178105-18-712248-21-8110-83NANANANANANANANANANANANANANANANANA
 us-gaap:NetIncomeLoss dei:LegalEntity duk:ProgressEnergy▅▅█▆▅▃▇▅▅▅▅▄▂▄▃▄▁▅▄▄2832295213282491234042652352742721533215563150-76291176184NANANANANANANANA
 us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents,dei:LegalEntity duk:MembersEquity,duk:DukeEnergyCarolinas▄▃█▄▄▁▇▁339219590301293135496117NANANANANANANANANANANANANANANANANANANANA
 us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents,dei:LegalEntity duk:MembersEquity,duk:DukeEnergyFlorida▃▃█▆▃▁▇▅1201062892019640243168NANANANANANANANANANANANANANANANANANANANA
 us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents,dei:LegalEntity duk:MembersEquity,duk:DukeEnergyIndiana99NANANA110NANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents,dei:LegalEntity duk:MembersEquity,duk:DukeEnergyProgress204NANANA203NANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents,dei:LegalEntity us-gaap:RetainedEarnings,duk:PiedmontNaturalGas█▅▁▁▆▃▁▁178105-18-712248-21-8NANANANANANANANANANANANANANANANANANANANA
us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic ▄▁█▃▄8996601327820900NANANANANANA634NANANANANANANANANANANANANANANANA
us-gaap:NetIncomeLossAttributableToNoncontrollingInterest ▄▂▆▁▇▇▆█████████-48-67-19-84-7-10-16223302444NA-262NA-45NANANANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-06-302016-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:Assets ████▇▇▇▇▇▆▅▅▅▅▁▁▁▁▁▁▁16007215883815591715344915113614539214316514025913854113500412265411366611385611200863031617996252660776597925898659090NANANA57040NANANA
 us-gaap:Assets dei:LegalEntity duk:DukeEnergyCarolinas███▇▇▆▆▆▅▅▅▂▂▂▂▂▂▂▁▁▁440514405343018424774202739960393393867538030369633597730927306423091529738293562989628837281352746527388NANANA26690NANANA
 us-gaap:Assets dei:LegalEntity duk:DukeEnergyFlorida██▇▇▇▆▆▆▅▄▂▁▁20467204542006219754193691880118755185481792917528160411498515180NANANANANANANANANANANANANANANA
 us-gaap:Assets dei:LegalEntity duk:DukeEnergyProgress███▇▇▆▆▆▆▅▄▁▁32986333773259832052319483001129703286302803526796250551824618068NANANANANANANANANANANANANANANA
 us-gaap:Assets dei:LegalEntity duk:ProgressEnergy███▇▇▆▆▆▅▅▄▁▁57338576945651755576550875266452279509144979848031449183728537405NANANA34931NANANA32886NANANANANANANA
 us-gaap:Assets us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,duk:ElectricUtilitiesandInfrastructure██▇▇▆▄▄▃▂▁134838135561133296131640130406125364123847121947120021117009NANANANANANANANANANANANANANANANANANA
 us-gaap:Assets us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,duk:TotalReportableSegments▁█155120155502NANANA141929NANANA132388120214NA110560NANANANANANANANANANANANANANANA
us-gaap:LiabilitiesAndStockholdersEquity ████▇▇▇▇▇▆▅▅▅▅▁▁▁▁▁▁▁16007215883815591715344915113614539214316514025913854113500412265411366611385611200863031617996252660776597925898659090NANANA57040NANANA
 us-gaap:LiabilitiesAndStockholdersEquity dei:LegalEntity duk:DukeEnergyCarolinas██▇▇▆▄▄▃▃▂▁4405144053430184247742027399603933938675380303696335977NA30642NANANANANANANANANANANANANANANA
 us-gaap:LiabilitiesAndStockholdersEquity dei:LegalEntity duk:DukeEnergyFlorida██▇▇▇▆▆▆▅▄▂▁▁20467204542006219754193691880118755185481792917528160411498515180NANANANANANANANANANANANANANANA
 us-gaap:LiabilitiesAndStockholdersEquity dei:LegalEntity duk:DukeEnergyProgress███▇▇▆▆▆▆▅▄▁▁32986333773259832052319483001129703286302803526796250551824618068NANANANANANANANANANANANANANANA
 us-gaap:LiabilitiesAndStockholdersEquity dei:LegalEntity duk:ProgressEnergy███▇▇▆▆▆▅▅▄▁▁57338576945651755576550875266452279509144979848031449183728537405NANANA34931NANANANANANANANANANANA
us-gaap:StockholdersEquity ████▇▇▇▇▇▆▆▆▆▆▁▁▁▁▁▁▁469214682246438452134503043817429954250741792412843989540953408634090522419227812277222794225832273422522NANANA21750NANANA
 us-gaap:StockholdersEquity dei:LegalEntity duk:ProgressEnergy██▇▇▆▆▆▆▅▄▄▁▁15874155901536014837145061425414128139721370412305127111033310181NANANA10021NANANANANANANANANANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-06-302016-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:AssetsCurrent █▆▇▇▆▇▇▅▅▄▅▇██▂▂▃▂▁▁▂101819163961995099168971495208476827976738097954910122101066487592468806273563455456223NANANA5766NANANA
 us-gaap:AssetsCurrent dei:LegalEntity duk:DukeEnergyCarolinas▅▄▄▃▂▄▃▂▁▁▄▄▄█▂▂▇▄▃▂▃298926652675259824822673264924342290222626642727273034382400239232522820257423262573NANANA2948NANANA
 us-gaap:AssetsCurrent dei:LegalEntity duk:DukeEnergyFlorida▂▄▃▄▃▃▇█▃▄▁▂▄1423159315111595146315531980208915171593126513361640NANANANANANANANANANANANANANANA
 us-gaap:AssetsCurrent dei:LegalEntity duk:DukeEnergyIndiana█▃▅▃▃▃▄▄▃▄▅▂▂▂▂▂▂▁▂▂▃1336831972779781830859880823885974711691654674719679562653716837NANANA608NANANA
 us-gaap:AssetsCurrent dei:LegalEntity duk:DukeEnergyProgress▅▆▆▆▆▇█▅▅▃▂▁▁2076220622712225225923872489217820931812176316281622NANANANANANANANANANANANANANANA
 us-gaap:AssetsCurrent dei:LegalEntity duk:ProgressEnergy▄▅▅▅▄▆█▇▄▃▂▁▂3618391738953848375040854583429537373404313629993243NANANA3320NANANANANANANANANANANA
us-gaap:CashAndCashEquivalentsAtCarryingValue ▅▁▁▁▁▂▁▁▁▁▂▅▅▇▆▄██▅▅▆▇▄▄▆145031137933637744230330442129867612961424176115261071211020321362141916701808101010801542NANANA
us-gaap:AccountsReceivableNetCurrent ▁▃▇▅▃▅█▆▃▂1828199423222153198121722397220519841880NANANANANANANANANANANANANANANANANANA
 us-gaap:AccountsReceivableNetCurrent dei:LegalEntity duk:DukeEnergyCarolinas▁▂▇▃▂▄█▅▂▁616642775671630699795704634611NANANANANANANANANANANANANANANANANANA
 us-gaap:AccountsReceivableNetCurrent dei:LegalEntity duk:DukeEnergyFlorida▂▂██▁▃▇▅▁▃335341478480322362463400318354NANANANANANANANANANANANANANANANANANA
 us-gaap:AccountsReceivableNetCurrent dei:LegalEntity duk:DukeEnergyProgress▁▃▆▄▄▅█▆▄▁410489564518495547635568497422NANANANANANANANANANANANANANANANANANA
 us-gaap:AccountsReceivableNetCurrent dei:LegalEntity duk:ProgressEnergy▁▃▇▆▂▄█▅▂▂74583010429988179091098969815777NANANANANANANANANANANANANANANANANANA
us-gaap:PrepaidExpenseAndOtherAssetsCurrent ▃▂▄▄▃▃▃▁▁▁▁▇█▇10007641333126797610491092437422436451206224252123NANA1051NANANANANANANANANANANA
 us-gaap:PrepaidExpenseAndOtherAssetsCurrent dei:LegalEntity duk:ProgressEnergy▂▂▂▁▁▁▃▄▃▂▂▇█196210242107143125256356259196168709766NANANA778NANANANANANANANANANANA
 us-gaap:PrepaidExpenseAndOtherAssetsCurrent us-gaap:CounterpartyName duk:VariableInterestEntity█▅▃▁▂▂300242188140152162NANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:PrepaidExpenseAndOtherAssetsCurrent us-gaap:CounterpartyName,duk:InvestmentsbyConsolidatedandNonconsolidatedEntities duk:CommercialRenewables,us-gaap:VariableInterestEntityPrimaryBeneficiary█▁287203NANANANANANANANANANANANANANANANANANANANANANANANANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-06-302016-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
 us-gaap:PropertyPlantAndEquipmentNet us-gaap:PublicUtilitiesRegulatoryProceeding,dei:LegalEntity duk:HurricaneMichaelStormDamage,duk:DukeEnergyFlorida██▂▁1061078582NA35NANANANANANANANANANANANANANANANANANANANANANA
us-gaap:Goodwill ██████████▇▇▇▇▁▁▁▁▁▁▁19303193031930319303193031930319303193961939619425163571637116365161803842385338493847386838623858NANANA4350NANANA
 us-gaap:Goodwill us-gaap:StatementBusinessSegments duk:ElectricUtilitiesandInfrastructure▄▄▄▄▄▄▄▄▄▄17379173791737917379173791737917379173791737917379NANANANANANANANANANANANANANANANANANA
us-gaap:OtherAssetsNoncurrent ██▆▆▆▆▇▇▇▆▆▄▃▂▁▂▃▃▃▃▃331532892905297529692935311230873062282629722466239921861894210322312236223322242300NANANA2526NANANA
 us-gaap:OtherAssetsNoncurrent dei:LegalEntity duk:DukeEnergyCarolinas██▆▇▆▆▅▆▅▄▃▄▄▁▄▄▄▆▆▆▇1136114910611085102710271009103610239299169419348049719719681026106610291119NANANA1130NANANA
 us-gaap:OtherAssetsNoncurrent dei:LegalEntity duk:DukeEnergyProgress█▇▇▆▇▇█▇▇▆▅▁▁682651595586627612653635641536509269251NANANANANANANANANANANANANANANA
 us-gaap:OtherAssetsNoncurrent dei:LegalEntity duk:ProgressEnergy█▇▆▆▇▆▇▆▆▅▅▁▁1121104998998210299741019992990865852531530NANANA504NANANANANANANANANANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-06-302016-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:LiabilitiesCurrent ██▇▇▆█▇▇▇▆▅▅▅▄▂▁▂▂▁▁▁15170147521339013447122821504113922127911299812466990699651002985566139428355285115438641973897NANANA4088NANANA
 us-gaap:LiabilitiesCurrent dei:LegalEntity duk:DukeEnergyCarolinas▄▆▅▇▅▆█▇▆▆▂▁▂▂▁▁▅▃▂▃▁251428842680329726812996352532492829302119421651183318071560158226102050184320661572NANANA1932NANANA
 us-gaap:LiabilitiesCurrent dei:LegalEntity duk:DukeEnergyFlorida▄▄██▅▃▂▁▄▃▃▁▂1769180324362378199616421553137818021732158313491528NANANANANANANANANANANANANANANA
 us-gaap:LiabilitiesCurrent dei:LegalEntity duk:DukeEnergyProgress▇█▅▃▂█▇▆▅▄▁▂▃3008323024251821169930992840276824602035132915101998NANANANANANANANANANANANANANANA
 us-gaap:LiabilitiesCurrent dei:LegalEntity duk:ProgressEnergy█▇▇▆▅▇▅▅▅▃▁▂▂7107680366215847531864095609524354034292335338583787NANANA4019NANANANANANANANANANANA
us-gaap:LongTermDebtCurrent █▅▅▅▄▆▆▅▆▆▄▅▅▄▃▂▃▃▂▂▁50773141309626982501340634552852395134722342332331102488187010671894152710081029275NANANA902NANANA
us-gaap:AccountsPayableCurrent ▅█▆▅▅█▇▆▅▄▄▄▅▃▁▁▂▁▁▂▃236434872946251225383487323426862391217722211985244419121160105014331080118913051587NANANA1390NANANA
 us-gaap:AccountsPayableCurrent dei:LegalEntity duk:DukeEnergyCarolinas▃█▄▄▄█▇▆▅▄▃▂▃▁▁▂▆▂▂▅▆605954644640643988888809726639565520599426448474793545484708856NANANA703NANANA
 us-gaap:AccountsPayableCurrent dei:LegalEntity duk:DukeEnergyFlorida▃▅█▂▃▇▆▄▃▁▂▁▃411474542403417511492440416372390382412NANANANANANANANANANANANANANANA
 us-gaap:AccountsPayableCurrent dei:LegalEntity duk:DukeEnergyProgress▂▆▅▂▂▆█▂▂▁▁▂▄319629550315363660808375342277300373542NANANANANANANANANANANANANANANA
 us-gaap:AccountsPayableCurrent dei:LegalEntity duk:ProgressEnergy▂▆▆▂▂▇█▃▂▁▁▃▅73011041095720781117213018167606496908221066NANANA968NANANANANANANANANANANA
us-gaap:TaxesPayableCurrent ▃▁█▄▃▅▇▃▂▂▃▂▂▆493392712521470577674494422432467425459601NANA431NANANANANANANANANANANA
 us-gaap:TaxesPayableCurrent dei:LegalEntity duk:DukeEnergyCarolinas▄▁█▆▂▅▆▅▂▅▄▂▃▄13246262209801711891588416213765114142NANA126NANANANANANANANANANANA
 us-gaap:TaxesPayableCurrent dei:LegalEntity duk:DukeEnergyFlorida▂▁▆▅▃▂█▄▂▄▅▄▁744317514894742321157211215612548NANANANANANANANANANANANANANANA
 us-gaap:TaxesPayableCurrent dei:LegalEntity duk:DukeEnergyIndiana▇▃▁▁▅▃▃▄█▁▃▇▅▄8149292563434454942840806158NANA74NANANANANANANANANANANA
 us-gaap:TaxesPayableCurrent dei:LegalEntity duk:DukeEnergyOhio▅█▅▃▄▇▄▃▄▁▁▂▄▃170219162135157202159127145100108124159131NANA180NANANANANANANANANANANA
 us-gaap:TaxesPayableCurrent dei:LegalEntity duk:ProgressEnergy▃▁█▆▄▃▇▅▃▅▅▄▂1174627119113510924418110916516215583NANANA56NANANANANANANANANANANA
 us-gaap:AccruedIncomeTaxesCurrent us-gaap:RelatedPartyTransactionsByRelatedParty,dei:LegalEntity srt:AffiliatedEntity,duk:DukeEnergyCarolinas▅▁██4457176NANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:AccruedIncomeTaxesCurrent us-gaap:RelatedPartyTransactionsByRelatedParty,dei:LegalEntity srt:AffiliatedEntity,duk:DukeEnergyIndiana6NANA1NANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:AccruedIncomeTaxesCurrent us-gaap:RelatedPartyTransactionsByRelatedParty,dei:LegalEntity srt:AffiliatedEntity,duk:PiedmontNaturalGas10NANANANA45NANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherLiabilitiesCurrent ▆▇▆▆▅▆▄▄▄▄▅▆█▇▃▂▂▁▃▁▂20042367207420201810208517031699154217081784206825112206143410541091104612799391170NANANA1146NANANA
 us-gaap:OtherLiabilitiesCurrent dei:LegalEntity duk:DukeEnergyCarolinas▄█▆▅▂▇▂▂▁▂▂▂▄▅▄▄▂▄▂▂▄479611545499415571419412369409400409490519481470398468404403485NANANA478NANANA
 us-gaap:OtherLiabilitiesCurrent dei:LegalEntity duk:DukeEnergyFlorida▄▄▅▆▅▄▁▃▁▂▃▆█383415423461426406315357299322361461534NANANANANANANANANANANANANANANA
 us-gaap:OtherLiabilitiesCurrent dei:LegalEntity duk:DukeEnergyProgress▅▇▅▄▂▄▃▂▂▁▁▄█429478416395346408353344324308314407517NANANANANANANANANANANANANANANA
 us-gaap:OtherLiabilitiesCurrent dei:LegalEntity duk:ProgressEnergy▄▅▄▄▃▄▂▂▁▁▂▅█8219028508637788216727116376607029241118NANANA1163NANANANANANANANANANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-06-302016-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:LongTermDebt █▇▇▇▆▆▆▅▅▄▂▁▁61388581265791457040561825452953962527155298149515422733966239461NANANA20573NANANA18210NANANANANANANA
 us-gaap:LongTermDebt dei:LegalEntity duk:DukeEnergyCarolinas█▆▆▅▅▅▄▄▄▂▂▁▁1280711900117581096410965109391039510394106949524936087408741NANANA9274NANANANANANANANANANANA
 us-gaap:LongTermDebt dei:LegalEntity duk:DukeEnergyFlorida▇█▆▆▆▆▇▇▆▆▂▁▂7706798771327213726573217371745270156979554048945320NANANANANANANANANANANANANANANA
 us-gaap:LongTermDebt dei:LegalEntity duk:DukeEnergyProgress█████▇▆▅▅▄▄▂▁9059905890499049904882048154735873576760656553364840NANANANANANANANANANANANANANANA
 us-gaap:LongTermDebt dei:LegalEntity duk:ProgressEnergy██▇▇█▇▇▆▆▆▃▁▁19355196341911919199192511891118912181941775718145154861422414428NANANA13152NANANANANANANANANANANA
us-gaap:LongTermDebtNoncurrent █████▇▇▇▇▆▅▄▄▄▁▁▁▁▁▁▁563115498554818543425368151123505074986349030460433993135084354993519817539180811773016625167651625416959NANANA15732NANANA
 us-gaap:LongTermDebtNoncurrent dei:LegalEntity duk:DukeEnergyCarolinas█▇▇▆▆▆▅▅▅▃▃▂▂▃▂▂▂▂▂▁▂120501114211001102081065810633958995899589852085927734773581397795779677967216721167127462NANANA6857NANANA
 us-gaap:LongTermDebtNoncurrent dei:LegalEntity duk:DukeEnergyFlorida██▅▆▆▇▇▇▅▅▃▁▁7384741665116542679570517102718362476160549248844885NANANANANANANANANANANANANANANA
 us-gaap:LongTermDebtNoncurrent dei:LegalEntity duk:DukeEnergyProgress▆▆███▆▆▄▄▄▄▂▁7903790285938893889374517401660566046407616349294433NANANANANANANANANANANANANANANA
 us-gaap:LongTermDebtNoncurrent dei:LegalEntity duk:ProgressEnergy▇▇▇██▆▇▆▄▅▃▁▁17377179071769318023182761708917440167231578715950150361350613311NANANA11918NANANANANANANANANANANA
us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent ▁▁▁▂▂▂▂▂▂▂▂▇██▁▁▁91993490095997498810011014101811081044238025202542829846856NANANA944NANANANANANANA
 us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent dei:LegalEntity duk:DukeEnergyFlorida▁▁▁▂▂▂▂▂▂▂▂██214218196248251254241243248258238612610NANANANANANANANANANANANANANANA
 us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent dei:LegalEntity duk:DukeEnergyIndiana▄▄▄▃▂▂▂▂▂▁▁▅▅▄▄▄▄████1481481571421131151101111107774185186152154159161261265267270NANANA314NANANA
 us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent dei:LegalEntity duk:DukeEnergyOhio▃▃▃▃▂▂▂▂▂▁▁▆▆▅▅▅▅▇███1011001039480798483815652155157140142145147188209208207NANANA249NANANA
 us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent dei:LegalEntity duk:DukeEnergyProgress▁▁▁▁▁▁▁▁▁▁▁██235238230232235237240243246246249723715NANANANANANANANANANANANANANANA
 us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent dei:LegalEntity duk:ProgressEnergy▁▁▁▁▁▁▁▁▁▁▁██48048845550951652151351952753751916101608NANANA1625NANANANANANANANANANANA
us-gaap:MinorityInterest ██▇▂▁▁▁▁▁▁▁▁▁▂▂▂▂▂▂▂▂11621129969119151718861053777890979793105119122131NANANA136NANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-06-302016-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:StockholdersEquity ████▇▇▇▇▇▆▆▆▆▆▁▁▁▁▁▁▁469214682246438452134503043817429954250741792412843989540953408634090522419227812277222794225832273422522NANANA21750NANANA
 us-gaap:StockholdersEquity dei:LegalEntity duk:ProgressEnergy██▇▇▆▆▆▆▅▄▄▁▁15874155901536014837145061425414128139721370412305127111033310181NANANA10021NANANANANANANANANANANA
 us-gaap:CommonStockValue dei:LegalEntity duk:PiedmontNaturalGas████▆▆▆▆▁▁13101310131013101160116011601160860860NANANANANANANANANANANANANANANANANANA
us-gaap:RetainedEarningsAccumulatedDeficit ███▆▆▅▆▅▅▄▄▂▂▂▁▂▂▂▁▂▁422141084139350233603113331328943021260726271978188919951598183318731920144816761496NANANA1460NANANA
 us-gaap:RetainedEarningsAccumulatedDeficit dei:LegalEntity duk:PiedmontNaturalGas█▆▄▅▅▃▃▃▃▁13101133102810461053931883904912750NANANANANANANANANANANANANANANANANANA
 us-gaap:RetainedEarningsAccumulatedDeficit dei:LegalEntity duk:ProgressEnergy██▇▆▆▅▅▅▄▄▄▁▁6747646562365715538651315009485545914237466129332783NANANA2752NANANANANANANANANANANA
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax ▆▆▆▆▆▆▇▇▇▇▁▅▅▄▄▆▅▆█▇▇-193-130-153-148-128-92-66-70-69-82-717-289-306-340-320-174-234-18889302NANANA-372NANANA
 us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax dei:LegalEntity duk:DukeEnergyCarolinas█████████▇▆▄▄▃▃▂▂▂▁▁▁-7-7-7-7-7-6-6-6-6-8-10-16-16-17-17-19-19-19-21-22-22NANANA-33NANANA
 us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax dei:LegalEntity duk:ProgressEnergy███▇▇▇▇▇▆▆▄▁▁-16-18-19-21-23-20-24-26-29-28-42-65-67NANANA-165NANANANANANANANANANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-06-302016-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:NetCashProvidedByUsedInOperatingActivities ▃██▄▂▃▇▅▂▃▃▁▂▅15542572258118171239151923651911139114671542109112651977NA872NANANA961NANANA1121NANANANA
 us-gaap:NetCashProvidedByUsedInOperatingActivities dei:LegalEntity duk:DukeEnergyCarolinas▄▆▇▄▁▄█▃▁▃▄▂▁█598803907631368646974561349544592452370938NA353NANANA617NANANA609NANANANA
 us-gaap:NetCashProvidedByUsedInOperatingActivities dei:LegalEntity duk:DukeEnergyFlorida▄▄█▆▂▁▇▄▃▄▃▂▂▅▃▃30125860945815354565263227292248116128370211189NANANANANANANANANANANANA
 us-gaap:NetCashProvidedByUsedInOperatingActivities dei:LegalEntity duk:DukeEnergyIndiana▅▁█▄▇▄▇▄▅▃▃▃▁▃238146334209308221319209257195201198132201NA153NANANA266NANANA184NANANANA
 us-gaap:NetCashProvidedByUsedInOperatingActivities dei:LegalEntity duk:DukeEnergyProgress▃██▅▂▄▇▅▃▂▄▃▃▅▁▂340576592409246345525426332260367293314403204246NANANANANANANANANANANANA
 us-gaap:NetCashProvidedByUsedInOperatingActivities dei:LegalEntity duk:PiedmontNaturalGas▅▃▁▃▅▁▁▃█▃▃23092-31122081458837184123NANANANANANANANANANANANANANANANANA
 us-gaap:NetCashProvidedByUsedInOperatingActivities dei:LegalEntity duk:ProgressEnergy▄▅█▅▃▂▇▄▃▃▃▁▂▅▂▁65977911647255413631023631527494561265390742393315NANANANANANANANANANANANA
us-gaap:NetCashProvidedByUsedInInvestingActivities ▂▁▃▂▃▃▄▅▅▆▇█▅▇-3022-3324-2845-3075-2713-2790-2625-2381-2264-1925-1850-1465-2208-1598NA-1180NANANA-918NANANA-1236NANANANA
 us-gaap:NetCashProvidedByUsedInInvestingActivities dei:LegalEntity duk:DukeEnergyOhio▄▅▄▇▁▄▄▄▅▆▄▅▆█-227-187-329203-707-266-215-233-188-32-305-1086292NA-251NANANA-90NANANA-268NANANANA
 us-gaap:NetCashProvidedByUsedInInvestingActivities dei:LegalEntity duk:PiedmontNaturalGas▃▁▃▁▄▄█▂██▇-236-306-259-307-211-218-107-285-121-115-128NANANANANANANANANANANANANANANANANA
us-gaap:NetCashProvidedByUsedInFinancingActivities █▃▂▄▅▅▂▂▄▁▂▂▃▁2593743365118914331413282318947-122206246606-144NA-731NANANA-294NANANA-347NANANANA
 us-gaap:NetCashProvidedByUsedInFinancingActivities dei:LegalEntity duk:DukeEnergyCarolinas█▅▃▅▇▅▄▅▆▅▁▅▁▇57846-23857329104-188144280-4-600-1-625389NA-752NANANA-1NANANA-501NANANANA
 us-gaap:NetCashProvidedByUsedInFinancingActivities dei:LegalEntity duk:DukeEnergyIndiana█▁▄▃▂▂▁▃▂▁514-12312029-91-36-121-3-13-150NA-5523-60NA125NANANA-1NANANA224NANANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-06-302016-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:NetCashProvidedByUsedInOperatingActivities ▃██▄▂▃▇▅▂▃▃▁▂▅15542572258118171239151923651911139114671542109112651977NA872NANANA961NANANA1121NANANANA
 us-gaap:NetCashProvidedByUsedInOperatingActivities dei:LegalEntity duk:DukeEnergyCarolinas▄▆▇▄▁▄█▃▁▃▄▂▁█598803907631368646974561349544592452370938NA353NANANA617NANANA609NANANANA
 us-gaap:NetCashProvidedByUsedInOperatingActivities dei:LegalEntity duk:DukeEnergyFlorida▄▄█▆▂▁▇▄▃▄▃▂▂▅▃▃30125860945815354565263227292248116128370211189NANANANANANANANANANANANA
 us-gaap:NetCashProvidedByUsedInOperatingActivities dei:LegalEntity duk:DukeEnergyIndiana▅▁█▄▇▄▇▄▅▃▃▃▁▃238146334209308221319209257195201198132201NA153NANANA266NANANA184NANANANA
 us-gaap:NetCashProvidedByUsedInOperatingActivities dei:LegalEntity duk:DukeEnergyProgress▃██▅▂▄▇▅▃▂▄▃▃▅▁▂340576592409246345525426332260367293314403204246NANANANANANANANANANANANA
 us-gaap:NetCashProvidedByUsedInOperatingActivities dei:LegalEntity duk:PiedmontNaturalGas▅▃▁▃▅▁▁▃█▃▃23092-31122081458837184123NANANANANANANANANANANANANANANANANA
 us-gaap:NetCashProvidedByUsedInOperatingActivities dei:LegalEntity duk:ProgressEnergy▄▅█▅▃▂▇▄▃▃▃▁▂▅▂▁65977911647255413631023631527494561265390742393315NANANANANANANANANANANANA
us-gaap:NetIncomeLoss ▆▅█▆▆▄▇▄▅▅▄▅▄▅▄▃▃▄▄▄▄▅▁▄▄▂▃▄93870113278209004641082500620686509634435594444295288472435511427670-222445346109276344
 us-gaap:NetIncomeLoss dei:LegalEntity duk:DukeEnergyCarolinas▄▃█▄▄▁▇▁▄▃▃339219590301293135496117323273261NANANANANANANANANANANANANANANANANA
 us-gaap:NetIncomeLoss dei:LegalEntity duk:DukeEnergyFlorida▃▃█▆▃▁▇▅▃▄▅1201062892019640243168103158171NANANANANANANANANANANANANANANANANA
 us-gaap:NetIncomeLoss dei:LegalEntity duk:DukeEnergyIndiana▃▁█▃▄▁▅▃▃▄▂997315697110761199810010685NANANANANANANANANANANANANANANANANA
 us-gaap:NetIncomeLoss dei:LegalEntity duk:DukeEnergyProgress▄▂█▃▄▁▅▁▃▂▁204155278169203135216139177154131NANANANANANANANANANANANANANANANANA
 us-gaap:NetIncomeLoss dei:LegalEntity duk:PiedmontNaturalGas█▅▁▁▆▃▁▁▆▁▂178105-18-712248-21-8110-83NANANANANANANANANANANANANANANANANA
 us-gaap:NetIncomeLoss dei:LegalEntity duk:ProgressEnergy▅▅█▆▅▃▇▅▅▅▅▄▂▄▃▄▁▅▄▄2832295213282491234042652352742721533215563150-76291176184NANANANANANANANA
 us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents,dei:LegalEntity duk:MembersEquity,duk:DukeEnergyCarolinas▄▃█▄▄▁▇▁339219590301293135496117NANANANANANANANANANANANANANANANANANANANA
 us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents,dei:LegalEntity duk:MembersEquity,duk:DukeEnergyFlorida▃▃█▆▃▁▇▅1201062892019640243168NANANANANANANANANANANANANANANANANANANANA
 us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents,dei:LegalEntity duk:MembersEquity,duk:DukeEnergyIndiana99NANANA110NANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents,dei:LegalEntity duk:MembersEquity,duk:DukeEnergyProgress204NANANA203NANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents,dei:LegalEntity us-gaap:RetainedEarnings,duk:PiedmontNaturalGas█▅▁▁▆▃▁▁178105-18-712248-21-8NANANANANANANANANANANANANANANANANANANANA
us-gaap:ProfitLoss ▅▃█▄▅▂▆▂▃▄▃▃▂▃▂▁▁▂▂▃89060713237488934541066502622689512634437598448299290470441513NA666-217445NANANANA
 us-gaap:ProfitLoss dei:LegalEntity duk:ProgressEnergy▅▅█▆▅▃▇▅▅▅▅▄▂▄▃▄▁▅▄▄2832295213292481234062672372772741543415764152-74293178185NANANANANANANANA
 us-gaap:ProfitLoss us-gaap:StatementEquityComponents,dei:LegalEntity us-gaap:Parent,duk:ProgressEnergy▄▃█▅▃▁▆▃283229521328249123404265NANANANANANANANANANANANANANANANANANANANA
 us-gaap:ProfitLoss us-gaap:StatementEquityComponents,dei:LegalEntity us-gaap:RetainedEarnings,duk:ProgressEnergy▄▃█▅▃▁▆▃283229521328249123404265NANANANANANANANANANANANANANANANANANANANA
us-gaap:DepreciationDepletionAndAmortization ▇██▇▇▇▆▆▅▃▃▁▁▁130113451348124512381249119711611089962937762787788NA544NANANA504NANANANANANANANA
 us-gaap:DepreciationDepletionAndAmortization dei:LegalEntity duk:DukeEnergyCarolinas▇█▇▇▆▆▅▄▄▄▄▁▁▁414444423416388403377360347349343281283291NA288NANANA249NANANANANANANANA
 us-gaap:DepreciationDepletionAndAmortization dei:LegalEntity duk:DukeEnergyFlorida████▇█▇█▅▅▄▂▁▁▃▁2192222242162072122072221521401235436409328NANANANANANANANANANANANA
 us-gaap:DepreciationDepletionAndAmortization dei:LegalEntity duk:DukeEnergyIndiana██▇███▇▇▇▃▃▁▃▄13313613013313213613012713192967997101NA97NANANA100NANANANANANANANA
 us-gaap:DepreciationDepletionAndAmortization dei:LegalEntity duk:DukeEnergyProgress▇▇█▆▇▆▆▅▅▃▃▁▂▁▁▁331333362298336314304281284225228175177173165161NANANANANANANANANANANANA
 us-gaap:DepreciationDepletionAndAmortization dei:LegalEntity duk:ProgressEnergy▇▇█▇▇▇▇▇▅▄▄▂▁▁▂▁552558588515546529513506439368354235219219264195NANANANANANANANANANANANA
us-gaap:IncreaseDecreaseInInventories ▅▆▂▅▄▃▃▄▂▄▂▁█▁92119-1077931-52-3431-1012-89-126236-143NA162NANANA31NANANA-180NANANANA
 us-gaap:IncreaseDecreaseInInventories dei:LegalEntity duk:DukeEnergyCarolinas█▇▁▆▇▃▄▅▅▆▂▂█▃7253-821859-36-57918-62-5066-37NA100NANANA59NANANA-86NANANANA
 us-gaap:IncreaseDecreaseInInventories dei:LegalEntity duk:DukeEnergyFlorida▆▃▂▃▅▄▂▅▁▂▃▃█▂▃▄19-13-28-1413-1-2911-39-30-17-1549-29-114NANANANANANANANANANANANA
 us-gaap:IncreaseDecreaseInInventories dei:LegalEntity duk:DukeEnergyIndiana▆█▆▇▆▃▁▆▅▄▃▄▇▄2139152813-12-36173-8-17-624-2NA34NANANA12NANANA-32NANANANA
 us-gaap:IncreaseDecreaseInInventories dei:LegalEntity duk:DukeEnergyProgress▅▃▁▅▄▃▂▂▂▃▃▂█▂▃▄22-5-41215-1-21-26-150-5-2081-23-55NANANANANANANANANANANANA
 us-gaap:IncreaseDecreaseInInventories dei:LegalEntity duk:ProgressEnergy▅▃▁▄▄▃▂▃▂▂▃▂█▂▃▄40-17-71818-2-48-16-55-30-22-36131-52-168NANANANANANANANANANANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-06-302016-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:NetCashProvidedByUsedInInvestingActivities ▂▁▃▂▃▃▄▅▅▆▇█▅▇-3022-3324-2845-3075-2713-2790-2625-2381-2264-1925-1850-1465-2208-1598NA-1180NANANA-918NANANA-1236NANANANA
 us-gaap:NetCashProvidedByUsedInInvestingActivities dei:LegalEntity duk:DukeEnergyOhio▄▅▄▇▁▄▄▄▅▆▄▅▆█-227-187-329203-707-266-215-233-188-32-305-1086292NA-251NANANA-90NANANA-268NANANANA
 us-gaap:NetCashProvidedByUsedInInvestingActivities dei:LegalEntity duk:PiedmontNaturalGas▃▁▃▁▄▄█▂██▇-236-306-259-307-211-218-107-285-121-115-128NANANANANANANANANANANANANANANANANA
us-gaap:PaymentsToAcquirePropertyPlantAndEquipment ▇█▆█▆▆▅▅▄▃▃▁▂▂28323038261929292536263723772288208717711748137516561593NA988NANANA1006NANANA1179NANANANA
 us-gaap:PaymentsToAcquirePropertyPlantAndEquipment dei:LegalEntity duk:DukeEnergyCarolinas██▅▆█▇█▆▅▃▄▁▁▁724730627636721700736649621529572435455447NA483NANANA562NANANA599NANANANA
 us-gaap:PaymentsToAcquirePropertyPlantAndEquipment dei:LegalEntity duk:DukeEnergyFlorida▇█▅▆▅▆▆▅▄▄▄▂▂▁▁▁506570401451422472431393338355367223236197176200NANANANANANANANANANANANA
 us-gaap:PaymentsToAcquirePropertyPlantAndEquipment dei:LegalEntity duk:DukeEnergyProgress▄▅▄▆▅█▅▆▃▂▁▂▃▂▁▂466516477567548694530572424366325395427374333391NANANANANANANANANANANANA
 us-gaap:PaymentsToAcquirePropertyPlantAndEquipment dei:LegalEntity duk:ProgressEnergy▆▇▅▆▆█▆▆▄▃▃▂▃▂▁▂972108687897610121165962965762722691622671577518600NANANANANANANANANANANANA
us-gaap:PaymentsToAcquireInvestments █▁▄█▅▅▅▅▅▆139224378914568609998559509581026NANANANANANANANANANANANANANANANANANA
 us-gaap:PaymentsToAcquireInvestments dei:LegalEntity duk:DukeEnergyCarolinas▇▁▆█▅▅▅▆▆▆6070544709405424410482494503NANANANANANANANANANANANANANANANANANA
 us-gaap:PaymentsToAcquireInvestments dei:LegalEntity duk:DukeEnergyProgress█▂▁▁▄▅▃▃▃▄550186183158315405258289284343NANANANANANANANANANANANANANANANANANA
 us-gaap:PaymentsToAcquireInvestments dei:LegalEntity duk:ProgressEnergy█▁▁█▄▆▄▄▄▅651207210685409537404406406479NANANANANANANANANANANANANANANANANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-06-302016-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:NetCashProvidedByUsedInFinancingActivities █▃▂▄▅▅▂▂▄▁▂▂▃▁2593743365118914331413282318947-122206246606-144NA-731NANANA-294NANANA-347NANANANA
 us-gaap:NetCashProvidedByUsedInFinancingActivities dei:LegalEntity duk:DukeEnergyCarolinas█▅▃▅▇▅▄▅▆▅▁▅▁▇57846-23857329104-188144280-4-600-1-625389NA-752NANANA-1NANANA-501NANANANA
 us-gaap:NetCashProvidedByUsedInFinancingActivities dei:LegalEntity duk:DukeEnergyIndiana█▁▄▃▂▂▁▃▂▁514-12312029-91-36-121-3-13-150NA-5523-60NA125NANANA-1NANANA224NANANANA
us-gaap:ProceedsFromIssuanceOfLongTermDebt ▅▁▃▅█▂▃▃▂▂▇▁▃▅1954960150918852737118913831487124011712374100915441905NA392NANANANANANANANANANANANA
 us-gaap:ProceedsFromIssuanceOfLongTermDebt dei:LegalEntity duk:DukeEnergyCarolinas▇▁▇▁▁█▁▁█9106779402599200991NA0NA0645NANANANANANANANANANANANANANA
 us-gaap:ProceedsFromIssuanceOfLongTermDebt dei:LegalEntity duk:DukeEnergyIndiana█▁5440NANANANANANANANANA000NA25000NANANANANANANANANANA
us-gaap:RepaymentsOfLongTermDebt ▂▄▃▅▆▃▁█▃▃▂▄▃▅29273958295412016288817034876014067475641056NA821NANANA18NANANA609NANANANA
 us-gaap:RepaymentsOfLongTermDebt dei:LegalEntity duk:DukeEnergyFlorida▅▂▂▂▂▂▂█▂▁▁▆▁▁▁▁282527455815282555801934261531NANANANANANANANANANANANA
 us-gaap:RepaymentsOfLongTermDebt dei:LegalEntity duk:ProgressEnergy▃▃▁▁█▁▂▄▁▁▁▆▁▄▄▁28340475561132528455580381073615064541NANANANANANANANANANANANA
 us-gaap:RepaymentsOfLongTermDebt us-gaap:DebtInstrument,dei:LegalEntity us-gaap:FirstMortgage,duk:DukeEnergyCarolinas450NANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RepaymentsOfLongTermDebt us-gaap:DebtInstrument,dei:LegalEntity us-gaap:FirstMortgage,duk:DukeEnergyIndiana500NANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-06-302016-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:RepaymentsOfLongTermDebt ▂▄▃▅▆▃▁█▃▃▂▄▃▅29273958295412016288817034876014067475641056NA821NANANA18NANANA609NANANANA
 us-gaap:RepaymentsOfLongTermDebt dei:LegalEntity duk:DukeEnergyFlorida▅▂▂▂▂▂▂█▂▁▁▆▁▁▁▁282527455815282555801934261531NANANANANANANANANANANANA
 us-gaap:RepaymentsOfLongTermDebt dei:LegalEntity duk:ProgressEnergy▃▃▁▁█▁▂▄▁▁▁▆▁▄▄▁28340475561132528455580381073615064541NANANANANANANANANANANANA
 us-gaap:RepaymentsOfLongTermDebt us-gaap:DebtInstrument,dei:LegalEntity us-gaap:FirstMortgage,duk:DukeEnergyCarolinas450NANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RepaymentsOfLongTermDebt us-gaap:DebtInstrument,dei:LegalEntity us-gaap:FirstMortgage,duk:DukeEnergyIndiana500NANANANANANANANANANANANANANANANANANANANANANANANANANANA

Common Stock Value

dei:LegalEntity

us-gaap:CommonStockValue

duk:PiedmontNaturalGas



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value13101310131013101160116011601160860860860860860860
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.80.80.80.90.80.80.80.80.60.60.60.60.60.6
Percentage of Assets duk:PiedmontNaturalGas16.716.917.718.516.817.018.018.313.913.814.314.714.514.5

Common Stock Par Or Stated Value Per Share

Shares Issued

Common Stock Shares Issued

Common Stock Shares Outstanding

us-gaap:CommonStockSharesOutstanding



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value7357337297287287277137127017007007007007006896896896886886887087077077077077067067067067047044461338133613321332133113291309
Percentage of CommonStockSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dei:LegalEntity

duk:DukeEnergyOhio



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value90909090909090909090909089898989898989898989898989898989898912089898989898989
Percentage of CommonStockSharesOutstanding12.212.312.312.412.412.412.612.612.812.912.912.912.812.813.013.013.013.013.013.012.712.712.712.712.712.712.712.712.712.717.06.76.76.76.76.76.76.8

duk:ProgressEnergy



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-07-022011-12-31
Value00000000000001000000000000000000296295
Percentage of CommonStockSharesOutstanding0.00.00.00.00.00.00.00.00.00.00.00.00.014.30.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.022.1

us-gaap:StatementEquityComponents

us-gaap:CommonStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-312012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302009-12-312008-12-312007-12-31
Value73573372972872872771371270170070070070070068968968968868868870870770770770770670670670413381336133213321331132913241318130912721262
Percentage of CommonStockSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.00.00.0

Common Stock Shares Authorized

dei:LegalEntity

us-gaap:CommonStockSharesAuthorized

duk:DukeEnergyOhio



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value12012012012012012012012012012012012012012012012012012012012012012012012012012012012012012089120120120120120120120
Percentage of CommonStockSharesAuthorized100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

duk:ProgressEnergy



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-31
Value00000000000001000000000000000000500
Percentage of CommonStockSharesAuthorized0.00.00.00.00.00.00.00.00.00.00.00.00.083.30.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0416.7

Weighted Average Number Of Diluted Shares Outstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value7367297287277147047017007007006916906896886927087077077067067067056994461337133313331331132213141311
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Shares Outstanding Basic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value7347297287277137037017007007006896896896886927087077077067067067056994461337133213321330132013141310
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Basic

Earnings Per Share Diluted

Income Loss From Continuing Operations Per Basic Share

Income Loss From Continuing Operations Per Diluted Share

Revenue From Contract With Customer Excluding Assessed Tax

Revenue From Contract With Customer Including Assessed Tax

us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-06-302016-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value5800586367925695599859126451546759285555521358985695672235773630336839643534366334453946328735943110339629133312
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Revenues

Sales Revenue Net

Cost Of Goods And Services Sold

dei:LegalEntity

us-gaap:CostOfGoodsAndServicesSold

duk:DukeEnergyCarolinas



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value453433504395472451490407473428531435
Percentage of CostOfGoodsAndServicesSold100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax7.87.47.46.97.97.67.67.48.00.00.07.8
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:DukeEnergyCarolinas25.90.023.623.627.50.023.924.727.90.00.00.0

duk:DukeEnergyFlorida



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value358483610509410518614486467434557455
Percentage of CostOfGoodsAndServicesSold79.0111.5121.0128.986.9114.9125.3119.498.7101.4104.9104.6
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax6.28.29.08.96.88.89.58.97.90.00.08.2
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:DukeEnergyFlorida34.10.040.238.539.00.042.941.443.10.00.00.0

duk:DukeEnergyIndiana



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value194215234229257270272226232222259234
Percentage of CostOfGoodsAndServicesSold42.849.746.458.054.459.955.555.549.051.948.853.8
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax3.33.73.44.04.34.64.24.13.90.00.04.2
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:DukeEnergyIndiana28.00.029.032.333.60.033.631.332.50.00.00.0

duk:DukeEnergyProgress



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value405441577479515440535408509395475375
Percentage of CostOfGoodsAndServicesSold89.4101.8114.5121.3109.197.6109.2100.2107.692.389.586.2
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax7.07.58.58.48.67.48.37.58.60.00.06.8
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:DukeEnergyProgress30.80.034.935.435.70.034.632.835.30.00.00.0

duk:PiedmontNaturalGas



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value162148466527319754742591916365
Percentage of CostOfGoodsAndServicesSold35.834.29.116.557.843.711.018.254.844.611.914.9
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax2.82.50.71.14.63.30.81.44.40.00.01.2
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:PiedmontNaturalGas35.10.029.333.047.90.033.336.146.50.00.00.0

duk:ProgressEnergy



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value763924118798892595711488959768291031831
Percentage of CostOfGoodsAndServicesSold168.4213.4235.5250.1196.0212.2234.3219.9206.3193.7194.2191.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax13.215.817.517.315.416.217.816.416.50.00.015.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:ProgressEnergy32.20.037.536.937.10.038.637.038.60.00.00.0

us-gaap:ProductOrService

srt:NaturalGasReserves



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value199176487632723758893132306876
Percentage of CostOfGoodsAndServicesSold43.940.69.519.269.352.511.821.966.253.712.817.5
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax3.43.00.71.35.54.00.91.65.30.00.01.4
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax srt:NaturalGasReserves0.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Electricity



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-30
Value144719781641160919311574167618631541
Percentage of CostOfGoodsAndServicesSold319.4392.5415.4340.9394.1386.7354.3350.8354.3
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax24.929.128.826.829.928.828.30.027.7
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:Electricity0.00.00.00.00.00.00.00.00.0

us-gaap:ProductOrService, dei:LegalEntity

srt:NaturalGasReserves, duk:DukeEnergyOhio



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value37274105440415
Percentage of CostOfGoodsAndServicesSold8.26.20.82.511.48.90.83.7
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax0.60.50.10.20.90.70.10.3
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax srt:NaturalGasReserves duk:DukeEnergyOhio0.00.00.00.00.00.00.00.0

us-gaap:ElectricityUsRegulated, duk:DukeEnergyOhio



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value879511486931289993
Percentage of CostOfGoodsAndServicesSold19.221.922.621.819.728.420.222.9
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax1.51.61.71.51.62.21.51.7
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:ElectricityUsRegulated duk:DukeEnergyOhio0.00.00.00.00.00.00.00.0

Cost Depreciation Amortization And Depletion

us-gaap:CostDepreciationAmortizationAndDepletion



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value1130118411861089108910951039973967933900835
Percentage of CostDepreciationAmortizationAndDepletion100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax19.520.217.519.118.218.516.117.816.30.00.015.0

dei:LegalEntity

duk:DukeEnergyCarolinas



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value343375350346317335305289272286281269
Percentage of CostDepreciationAmortizationAndDepletion30.431.729.531.829.130.629.429.728.130.731.232.2
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax5.96.45.26.15.35.74.75.34.60.00.04.8
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:DukeEnergyCarolinas19.60.016.420.618.40.014.917.616.10.00.00.0

duk:DukeEnergyFlorida



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value165180182175165168166144150137154137
Percentage of CostDepreciationAmortizationAndDepletion14.615.215.316.115.215.316.014.815.514.717.116.4
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax2.83.12.73.12.82.82.62.62.50.00.02.5
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:DukeEnergyFlorida15.70.012.013.215.70.011.612.313.90.00.00.0

duk:DukeEnergyIndiana



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value13213213013213113413012613012212091
Percentage of CostDepreciationAmortizationAndDepletion11.711.111.012.112.012.212.512.913.413.113.310.9
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax2.32.31.92.32.22.32.02.32.20.00.01.6
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:DukeEnergyIndiana19.10.016.118.617.10.016.117.518.20.00.00.0

duk:DukeEnergyOhio



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value686669666472646270686363
Percentage of CostDepreciationAmortizationAndDepletion6.05.65.86.15.96.66.26.47.27.37.07.5
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax1.21.11.01.21.11.21.01.11.20.00.01.1
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:DukeEnergyOhio13.50.014.015.412.10.013.713.413.80.00.00.0

duk:DukeEnergyProgress



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value287288314251290268253235235189182173
Percentage of CostDepreciationAmortizationAndDepletion25.424.326.523.026.624.524.424.224.320.320.220.7
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax4.94.94.64.44.84.53.94.34.00.00.03.1
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:DukeEnergyProgress21.80.019.018.620.10.016.418.916.30.00.00.0

duk:PiedmontNaturalGas



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value45454342424140393939383623
Percentage of CostDepreciationAmortizationAndDepletion4.03.83.63.93.93.73.84.04.04.24.24.30.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax0.80.80.60.70.70.70.60.70.70.00.00.60.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:PiedmontNaturalGas9.80.027.421.37.40.024.719.07.00.00.00.00.0

duk:ProgressEnergy



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value452468496426455436419380384327334311
Percentage of CostDepreciationAmortizationAndDepletion40.039.541.839.141.839.840.339.139.735.037.137.2
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax7.88.07.37.57.67.46.57.06.50.00.05.6
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:ProgressEnergy19.10.015.715.918.30.014.115.715.20.00.00.0

Operating Expenses

Costs And Expenses

us-gaap:CostsAndExpenses



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value446249905011457847875242505946674779454147934175430339824805434442984349479943564623457647804839656748904966505946854923565827953138319228592859291533062835
Percentage of CostsAndExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax76.985.173.880.479.888.778.485.480.60.00.075.20.00.00.083.30.00.00.00.00.00.00.00.00.00.00.00.079.486.484.278.186.480.580.978.173.9100.678.9

dei:LegalEntity

duk:DukeEnergyCarolinas



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value126514291369126213091534137714471281131913591244123213751410121112591263139512241386134013081317149112951313124012971396150212331029132812771189135812031200
Percentage of CostsAndExpenses28.428.627.327.627.329.327.231.026.829.028.429.828.634.529.327.929.329.029.128.130.029.327.427.222.726.526.424.527.728.426.544.132.841.644.741.646.636.442.3
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax21.824.420.222.221.825.921.326.521.60.00.022.40.00.00.023.20.00.00.00.00.00.00.00.00.00.00.00.022.024.522.334.528.333.536.132.534.436.633.4
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:DukeEnergyCarolinas72.40.064.075.376.10.067.187.975.60.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

duk:DukeEnergyFlorida



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value8561039113610318981135113195894286211618857638751008833811958107996685993911139498979349631196747112411821000756
Percentage of CostsAndExpenses19.220.822.722.518.821.722.420.519.719.024.221.217.722.021.019.218.922.022.522.218.620.523.319.613.719.119.423.615.922.820.935.824.1
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax14.817.716.718.115.019.217.517.515.90.00.015.90.00.00.016.00.00.00.00.00.00.00.00.00.00.00.00.012.719.717.628.020.8
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:DukeEnergyFlorida81.50.074.978.085.50.079.181.587.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

duk:DukeEnergyIndiana



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value534582572569596638646569563574573532572558570528538497631541578662608570630566552532543533748551960760511529545470489
Percentage of CostsAndExpenses12.011.711.412.412.512.212.812.211.812.612.012.713.314.011.912.212.511.413.112.412.514.512.711.89.611.611.110.511.610.813.219.730.623.817.918.518.714.217.2
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax9.29.98.410.09.910.810.010.49.50.00.09.60.00.00.010.10.00.00.00.00.00.00.00.00.00.00.00.09.29.411.115.426.419.214.514.413.814.313.6
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:DukeEnergyIndiana77.20.070.880.378.00.079.978.878.90.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

duk:DukeEnergyOhio



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value39840938135942741233038243942137037243542138437342137938636448140538867321218247047077646977156237757246357466441434754
Percentage of CostsAndExpenses8.98.27.67.88.97.96.58.29.29.37.78.910.110.68.08.69.88.78.08.410.48.98.113.932.316.914.214.016.314.212.622.324.722.722.226.122.143.426.6
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax6.97.05.66.37.17.05.17.07.40.00.06.70.00.00.07.20.00.00.00.00.00.00.00.00.00.00.00.013.012.210.617.421.318.318.020.416.343.621.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:DukeEnergyOhio79.00.077.183.780.40.070.882.786.60.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

duk:DukeEnergyProgress



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value104411621315112811841139125910591192996104991893510401146958105010311095100911341018108297911659601128969100497912271007984
Percentage of CostsAndExpenses23.423.326.224.624.721.724.922.724.921.921.922.021.726.123.922.124.423.722.823.224.522.222.620.217.719.622.719.221.419.921.736.031.4
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax18.019.819.419.819.719.319.519.420.10.00.016.50.00.00.018.40.00.00.00.00.00.00.00.00.00.00.00.017.017.218.328.227.1
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:DukeEnergyProgress79.30.079.683.482.10.081.485.182.70.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

duk:PiedmontNaturalGas



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value299286181203407356191210392329187196330226162168316
Percentage of CostsAndExpenses6.75.73.64.48.56.83.84.58.27.23.94.77.75.73.43.97.4
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax5.24.92.73.66.86.03.03.86.60.00.03.50.00.00.03.20.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:PiedmontNaturalGas64.90.0115.3103.071.40.0117.9102.470.40.00.00.00.00.00.00.00.0

duk:ProgressEnergy



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value190421972457216320842276239320202135186222121807170019232157179418631992217719781995196122001933206518982096216817562103241120121740
Percentage of CostsAndExpenses42.744.049.047.243.543.447.343.344.741.046.243.339.548.344.941.343.345.845.445.443.242.946.039.931.438.842.242.937.542.742.672.055.4
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax32.837.536.238.034.738.537.136.936.00.00.032.50.00.00.034.40.00.00.00.00.00.00.00.00.00.00.00.029.836.935.956.247.9
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:ProgressEnergy80.40.077.680.983.60.080.483.584.50.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Operating Income Loss

us-gaap:OperatingIncomeLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value14881109192912981373871157997912561262169513871437888202211451333977168812461456988161911165812031743821121576710787864955177676798146811033-14761595445528681
Percentage of OperatingIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax25.718.928.422.822.914.724.517.921.20.00.025.00.00.00.022.00.00.00.00.00.00.00.00.00.00.00.00.020.613.516.022.013.615.419.319.222.219.826.2-0.421.219.113.118.120.6

dei:LegalEntity

duk:DukeEnergyCarolinas



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value484347793451435241713224482403777485484302815464481296666483515318630438509420604351434216440386475245541331363521313347
Percentage of OperatingIncomeLoss32.531.341.134.731.727.745.222.938.431.945.835.033.734.040.340.536.130.339.538.835.432.238.939.2877.634.934.742.835.728.240.849.196.047.470.548.744.650.4-2235.745.6
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax8.35.911.77.97.34.111.14.18.10.00.08.70.00.00.08.90.00.00.00.00.00.00.00.00.00.00.00.07.43.86.510.813.17.313.69.49.913.29.59.7
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:DukeEnergyCarolinas27.70.037.126.925.30.034.813.628.50.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

duk:DukeEnergyFlorida



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value224205413321188107331245173234240306196155373300213216357315227205378276219151369-53221-29207196255
Percentage of OperatingIncomeLoss15.118.521.424.713.712.321.025.013.818.514.222.113.617.518.426.216.022.121.125.315.620.723.324.7377.612.621.2-6.518.2-3.819.224.951.5
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax3.93.56.15.63.11.85.14.52.90.00.05.50.00.00.05.80.00.00.00.00.00.00.00.00.00.00.00.03.7-0.53.15.57.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:DukeEnergyFlorida21.30.027.224.317.90.023.120.916.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

duk:DukeEnergyIndiana



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value15813323514816913317316916817023021018617623917417617111714621013018217821518120316818193-30134-27285-42109130149109121
Percentage of OperatingIncomeLoss10.612.012.211.412.315.311.017.313.413.513.615.112.919.811.815.213.217.56.911.714.413.211.215.9370.715.011.620.514.912.1-2.817.0-54.916.4-5.516.116.014.4-778.615.9
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax2.72.33.52.62.82.22.73.12.80.00.03.80.00.00.03.30.00.00.00.00.00.00.00.00.00.00.00.03.11.6-0.43.7-7.52.5-1.13.13.53.83.33.4
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:DukeEnergyIndiana22.80.029.120.922.10.021.423.423.50.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

duk:DukeEnergyOhio



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value10078108741049313977-217610265839010655967376431117458-142-135844116108-177442951386511659135279-781222
Percentage of OperatingIncomeLoss6.77.05.65.77.610.78.87.9-1.76.06.04.75.810.15.24.87.27.54.53.57.67.53.6-12.7-2341.43.76.713.2-1.49.63.912.127.912.615.18.716.627.05578.629.2
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax1.71.31.61.31.71.62.21.4-0.40.00.01.20.00.00.01.10.00.00.00.00.00.00.00.00.00.00.00.0-0.31.30.62.73.81.92.91.73.77.1-23.86.2
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:DukeEnergyOhio19.80.021.917.219.60.029.816.7-4.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

duk:DukeEnergyProgress



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value29323637325930022733023326925641128228613543825525813039418431618028521225825130316621214817283107
Percentage of OperatingIncomeLoss19.721.319.320.021.826.120.923.821.420.324.220.319.915.221.722.319.413.323.314.821.718.217.619.0444.820.917.420.217.419.316.010.621.6
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax5.14.05.54.55.03.85.14.34.50.00.05.10.00.00.04.90.00.00.00.00.00.00.00.00.00.00.00.03.62.62.62.32.9
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:DukeEnergyProgress22.20.022.619.220.80.021.318.718.70.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

duk:PiedmontNaturalGas



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-10-312016-09-302016-06-302016-04-302016-03-312016-01-31
Value213139-13617279-195161115-4517096-50-414104167171
Percentage of OperatingIncomeLoss14.312.5-0.70.512.59.1-1.20.512.89.1-0.20.411.810.80.0-0.21.20.012.50.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax3.72.4-0.20.12.91.3-0.30.12.70.00.00.10.00.00.00.00.30.00.00.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:PiedmontNaturalGas46.20.0-8.33.030.20.0-11.72.428.90.00.00.00.00.00.00.00.00.00.00.0

duk:ProgressEnergy



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value51744778658048833466348444749365759148729281456047535175650454938866548847740367111443011837927736316687433447
Percentage of OperatingIncomeLoss34.740.340.744.735.538.342.049.435.639.138.842.633.932.940.348.935.635.944.840.437.739.341.143.7822.433.538.513.935.415.435.235.273.33.189.663.854.9
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax8.97.611.610.28.15.610.38.97.50.00.010.60.00.00.010.70.00.00.00.00.00.00.00.00.00.00.00.07.32.15.67.710.00.517.312.312.2
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:ProgressEnergy21.80.024.821.719.60.022.320.017.70.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Interest Expense

us-gaap:InterestExpense



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value551547572542543544517518515511498486491423482500511405402403403410405413406419379381367385401232224213203219202212210
Percentage of InterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax9.59.38.49.59.19.28.09.58.70.00.08.70.00.00.09.60.00.00.00.00.00.00.00.00.00.00.00.06.26.86.06.56.25.45.76.05.16.45.8

dei:LegalEntity

duk:DukeEnergyCarolinas



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value1231171191171101161061101071081081031031081021071079910510610210010410210110482918299959397938289958690
Percentage of InterestExpense22.321.420.821.620.321.320.521.220.821.121.721.221.025.521.221.420.924.426.126.325.324.425.724.724.924.821.623.922.325.723.740.143.343.740.440.647.040.642.9
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax2.12.01.82.11.82.01.62.01.80.00.01.90.00.00.02.10.00.00.00.00.00.00.00.00.00.00.00.01.41.71.42.62.72.32.32.42.42.62.5
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:DukeEnergyCarolinas7.00.05.67.06.40.05.26.76.30.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

duk:DukeEnergyFlorida



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value848281838277736671687170706962404149505049515150494246434961626963
Percentage of InterestExpense15.215.014.215.315.114.214.112.713.813.314.314.414.316.312.98.08.012.112.412.412.212.412.612.112.110.012.111.313.415.815.529.728.1
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax1.41.41.21.51.41.31.11.21.20.00.01.30.00.00.00.80.00.00.00.00.00.00.00.00.00.00.00.00.81.10.91.91.7
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:DukeEnergyFlorida8.00.05.36.37.80.05.15.66.60.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

duk:DukeEnergyIndiana



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value434540284342424340464444444545474444444345444044434343434133353634343436323433
Percentage of InterestExpense7.88.27.05.27.97.78.18.37.89.08.89.19.010.69.39.48.610.910.910.711.210.79.910.710.610.311.311.311.28.68.715.515.216.016.716.415.816.015.7
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax0.70.80.60.50.70.70.70.80.70.00.00.80.00.00.00.90.00.00.00.00.00.00.00.00.00.00.00.00.70.60.51.00.90.91.01.00.81.00.9
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:DukeEnergyIndiana6.20.05.03.95.60.05.26.05.60.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

duk:DukeEnergyOhio



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value242827243024232322242223222322212021201820262029222814181819212524272724262830
Percentage of InterestExpense4.45.14.74.45.54.44.44.44.34.74.44.74.55.44.64.23.95.25.04.55.06.34.97.05.46.73.74.74.94.95.210.810.712.713.311.012.913.214.3
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax0.40.50.40.40.50.40.40.40.40.00.00.40.00.00.00.40.00.00.00.00.00.00.00.00.00.00.00.00.30.30.30.70.70.70.80.70.70.90.8
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:DukeEnergyOhio4.80.05.55.65.60.04.95.04.30.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

duk:DukeEnergyProgress



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value697474817778827881766570826961646360595660625758575452474851525351
Percentage of InterestExpense12.513.512.914.914.214.315.915.115.714.913.114.416.716.312.712.812.314.814.713.914.915.114.114.014.012.913.712.313.113.213.022.822.8
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax1.21.31.11.41.31.31.31.41.40.00.01.30.00.00.01.20.00.00.00.00.00.00.00.00.00.00.00.00.80.90.81.51.4
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:DukeEnergyProgress5.20.04.56.05.30.05.36.35.60.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

duk:PiedmontNaturalGas



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value2722222122211920212020192012171617
Percentage of InterestExpense4.94.03.83.94.13.93.73.94.13.94.03.94.12.83.53.23.3
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax0.50.40.30.40.40.40.30.40.40.00.00.30.00.00.00.30.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:PiedmontNaturalGas5.90.014.010.73.90.011.79.83.80.00.00.00.00.00.00.00.0

duk:ProgressEnergy



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value206212212219219216214203209229193196206192177160160166170166168173166167169160162160198180182193185
Percentage of InterestExpense37.438.837.140.440.339.741.439.240.644.838.840.342.045.436.732.031.341.042.341.241.742.241.040.441.638.242.742.054.046.845.483.282.6
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax3.63.63.13.83.73.73.33.73.50.00.03.50.00.00.03.10.00.00.00.00.00.00.00.00.00.00.00.03.43.22.75.45.1
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:ProgressEnergy8.70.06.78.28.80.07.28.48.30.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Other Nonoperating Income Expense

us-gaap:OtherNonoperatingIncomeExpense



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value4612210489115721311108697888186549992791045772745810989958054548010613270898397-11711688-91
Percentage of OtherNonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax0.82.11.51.61.91.22.02.01.50.00.01.50.00.00.01.80.00.00.00.00.00.00.00.00.00.00.00.01.41.92.02.02.52.12.7-3.22.92.7-2.5

dei:LegalEntity

duk:PiedmontNaturalGas



Period End2020-03-312019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-312016-09-30
Value1245333-100-1-2-1
Percentage of OtherNonoperatingIncomeExpense26.13.56.92.32.73.5-10.30.0-1.2-3.7-1.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax0.20.10.10.00.10.10.00.0-0.00.00.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:PiedmontNaturalGas2.60.70.01.91.50.50.00.00.00.00.0

Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax

Income Loss From Continuing Operations

us-gaap:IncomeLossFromContinuingOperations



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-06-302012-03-312011-06-302011-03-31
Value89966713278209004441078505620705956688716316105451069148693760077395888722746684942342634449297441513
Percentage of IncomeLossFromContinuingOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax15.511.419.514.415.07.516.79.210.50.00.012.40.00.00.09.80.00.00.00.00.00.00.00.00.00.00.00.010.712.68.212.514.0

dei:LegalEntity

duk:DukeEnergyOhio



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value65497447695510046-25655630425755235743341359292628-151024
Percentage of IncomeLossFromContinuingOperations7.27.35.65.77.712.49.39.1-4.09.25.94.45.918.05.24.58.28.83.62.27.630.52.93.9-2.01.52.5
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax1.10.81.10.81.20.91.60.8-0.40.00.00.50.00.00.00.40.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:DukeEnergyOhio12.90.015.011.013.00.021.510.0-4.90.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ConsolidationItems, dei:LegalEntity

us-gaap:CorporateNonSegment, duk:DukeEnergyCarolinas



Period End2020-03-31
Value98
Percentage of IncomeLossFromContinuingOperations10.9
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax1.7
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:CorporateNonSegment duk:DukeEnergyCarolinas0.0

us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:CorporateNonSegment, us-gaap:AllOtherSegments



Period End2020-03-312019-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value-112-89-700-34-94-77-209-181-107-148
Percentage of IncomeLossFromContinuingOperations-12.5-9.9-99.3-3.6-13.7-10.8-66.1-17.2-21.0-21.4
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax-1.9-1.50.00.0-1.70.00.00.0-2.10.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:CorporateNonSegment us-gaap:AllOtherSegments0.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, duk:CommercialRenewables



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value575940861313-623820439-49262510-241126
Percentage of IncomeLossFromContinuingOperations6.38.83.010.51.42.9-5.87.53.262.3-5.13.83.53.2-2.32.23.8
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax1.01.00.61.50.20.2-1.00.70.30.00.00.50.00.00.00.20.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:OperatingSegments duk:CommercialRenewables0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, duk:ElectricUtilitiesandInfrastructure



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value7055921385809750566116757575082610207296354831189704664
Percentage of IncomeLossFromContinuingOperations78.488.8104.498.783.3127.5108.3113.9121.0117.2106.7106.088.7152.8112.8138.096.1
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax12.210.120.414.212.59.618.110.512.70.00.013.10.00.00.013.50.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:OperatingSegments duk:ElectricUtilitiesandInfrastructure0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, duk:GasUtilitiesandInfrastructure



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value24914026402261131728116140192713389151632
Percentage of IncomeLossFromContinuingOperations27.721.02.04.925.125.51.65.518.719.92.03.918.628.21.43.14.6
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax4.32.40.40.73.81.90.30.52.00.00.00.50.00.00.00.30.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:OperatingSegments duk:GasUtilitiesandInfrastructure0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, duk:TotalReportableSegments



Period End2020-03-312019-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value101198914059907827934971243630845689971651811163983814835
Percentage of IncomeLossFromContinuingOperations112.5109.9199.3103.6113.7110.8157.3117.9123.5122.3141.8103.6108.5104.9171.6110.7112.7111.9
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax17.416.50.00.014.10.00.00.012.10.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:OperatingSegments duk:TotalReportableSegments0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments, dei:LegalEntity

us-gaap:CorporateNonSegment, us-gaap:AllOtherSegments, duk:DukeEnergyOhio



Period End2020-03-31
Value-1000000.0
Percentage of IncomeLossFromContinuingOperations-0.1
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax-0.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:CorporateNonSegment us-gaap:AllOtherSegments duk:DukeEnergyOhio0.0

us-gaap:OperatingSegments, duk:ElectricUtilitiesandInfrastructure, duk:DukeEnergyOhio



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value3030623136298539
Percentage of IncomeLossFromContinuingOperations3.34.54.73.84.06.57.97.7
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax0.50.50.90.50.60.51.30.7
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:OperatingSegments duk:ElectricUtilitiesandInfrastructure duk:DukeEnergyOhio0.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, duk:GasUtilitiesandInfrastructure, duk:DukeEnergyOhio



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value3620131735291218
Percentage of IncomeLossFromContinuingOperations4.03.01.02.13.96.51.13.6
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax0.60.30.20.30.60.50.20.3
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:OperatingSegments duk:GasUtilitiesandInfrastructure duk:DukeEnergyOhio0.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, duk:TotalReportableSegments, duk:DukeEnergyOhio



Period End2020-03-31
Value66
Percentage of IncomeLossFromContinuingOperations7.3
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax1.1
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:OperatingSegments duk:TotalReportableSegments duk:DukeEnergyOhio0.0

Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-30
Value1027709151188998843312306078038661321101810614941579752909699136093811406861351825-2179951451510964546842663400677633746967
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax17.712.122.215.616.57.319.111.113.50.00.018.30.00.00.014.40.00.00.00.00.00.00.00.00.00.00.00.016.39.612.518.511.017.117.920.424.5

dei:LegalEntity

duk:DukeEnergyCarolinas



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-30
Value404275708375356170641149414335695418418235752402411232603418455253570380457342551289388172393336417495299316477
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest39.338.846.942.236.039.352.124.551.638.752.641.139.447.647.653.545.233.244.344.639.936.942.246.1-210.634.438.056.740.231.546.750.7104.273.147.242.449.3
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax7.04.710.46.65.92.99.92.77.00.00.07.50.00.00.07.70.00.00.00.00.00.00.00.00.00.00.00.06.63.05.89.411.512.58.58.612.1
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:DukeEnergyCarolinas23.10.033.122.420.70.031.39.124.40.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

duk:DukeEnergyFlorida



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value15013234625011941286205123182184250142100322274177179309269184157333232175120329-91180-80156136201
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest14.618.622.928.112.09.523.333.815.321.013.924.613.420.220.436.419.525.622.728.716.122.924.628.1-80.612.122.7-17.818.7-14.718.520.550.2
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax2.62.35.14.42.00.74.43.72.10.00.04.50.00.00.05.30.00.00.00.00.00.00.00.00.00.00.00.03.1-1.42.33.85.5
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:DukeEnergyFlorida14.30.022.818.911.30.020.017.411.40.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

duk:DukeEnergyIndiana



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-30
Value12594203128145100154132135134196175150138199133136129731071709214713817914216413114484-41117-283-5096117136
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest12.213.313.414.414.723.112.521.716.815.514.817.214.127.912.617.715.018.55.411.414.913.410.916.7-82.514.311.325.714.915.4-4.917.6-70.8-7.415.215.714.1
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax2.21.63.02.22.41.72.42.42.30.00.03.20.00.00.02.60.00.00.00.00.00.00.00.00.00.00.00.02.41.5-0.63.3-7.8-1.32.73.23.4
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:DukeEnergyIndiana18.10.025.118.119.00.019.018.318.90.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

duk:DukeEnergyOhio



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-30
Value79558556837511962-375784466570873578605620945141-169-13771610391-335526741189736116261
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest7.77.85.66.38.417.39.710.2-4.66.66.44.56.114.25.54.78.68.64.12.18.27.43.0-20.5634.61.67.117.8-3.410.13.111.229.514.35.715.527.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax1.40.91.31.01.41.31.81.1-0.60.00.00.80.00.00.00.70.00.00.00.00.00.00.00.00.00.00.00.0-0.61.00.42.13.32.41.03.26.6
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:DukeEnergyOhio15.70.017.213.115.60.025.513.4-7.30.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

duk:DukeEnergyProgress



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value24618732620224717527217420619836022622390395203212923491432761352461612102112721271781191414676
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest24.026.421.622.725.040.422.128.725.722.927.322.221.018.225.027.023.313.225.715.224.219.718.219.5-96.821.218.724.918.521.816.76.919.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax4.23.24.83.54.13.04.23.23.50.00.04.10.00.00.03.90.00.00.00.00.00.00.00.00.00.00.00.03.02.12.11.32.1
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:DukeEnergyProgress18.70.019.714.917.10.017.614.014.30.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

duk:PiedmontNaturalGas



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value198126-28-915664-32-1114582-21-1315386-205166
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest19.317.8-1.9-1.015.814.8-2.6-1.818.19.5-1.6-1.314.417.4-1.30.718.3
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax3.42.1-0.4-0.22.61.1-0.5-0.22.40.00.0-0.20.00.00.00.10.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:PiedmontNaturalGas43.00.0-17.8-4.627.40.0-19.8-5.426.00.00.00.00.00.00.00.00.0

duk:ProgressEnergy



Period End2020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value343615395300155500323273327484416305135668428335219603357408238525334323274535-32255-29229110217
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest33.440.744.430.435.840.753.234.037.836.640.928.727.342.356.936.931.344.338.135.834.738.940.5-148.827.536.9-6.326.5-5.327.216.654.2
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax5.99.16.95.02.67.85.94.60.00.07.50.00.00.08.20.00.00.00.00.00.00.00.00.00.00.00.04.3-0.53.43.16.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:ProgressEnergy14.519.414.812.00.016.813.410.80.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest

Income Loss From Continuing Operations Before Income Taxes Domestic

Income Loss From Continuing Operations Before Income Taxes Foreign

Income Loss From Continuing Operations Attributable To Noncontrolling Entity

Nonoperating Income Expense

us-gaap:NonoperatingIncomeExpense



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value90147154133158106168146621151241171157639107871277495871081371221312118770116164165109129123157151136124120
Percentage of NonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax1.62.52.32.32.61.82.62.71.00.00.02.10.00.00.02.10.00.00.00.00.00.00.00.00.00.00.00.02.02.92.53.03.63.14.44.13.43.83.3

dei:LegalEntity

duk:DukeEnergyCarolinas



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-30
Value434534413145343539-14050502929364843394750
Percentage of NonoperatingIncomeExpense47.830.622.130.819.642.520.224.062.9-0.932.342.743.533.341.431.029.139.430.238.231.8
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax0.70.80.50.70.50.80.50.60.70.00.00.90.00.00.00.60.71.21.11.21.4
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:DukeEnergyCarolinas2.50.01.62.41.80.01.72.12.30.00.00.00.00.00.00.00.00.00.00.00.0

duk:DukeEnergyFlorida



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-31
Value1091412131128262131919206581199
Percentage of NonoperatingIncomeExpense11.16.19.19.08.210.416.717.833.92.615.316.217.46.97.16.96.78.37.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax0.20.20.20.20.20.20.40.50.40.00.00.30.00.00.00.10.20.30.2
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:DukeEnergyFlorida1.00.00.90.91.20.02.02.21.90.00.00.00.00.00.00.00.00.00.0

duk:DukeEnergyIndiana



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-30
Value10688199236751211104642419232621
Percentage of NonoperatingIncomeExpense11.14.15.26.012.08.513.74.111.34.39.79.48.74.68.63.414.517.417.821.113.4
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax0.20.10.10.10.30.20.40.10.10.00.00.20.00.00.00.10.40.50.60.70.6
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:DukeEnergyIndiana1.40.01.01.12.50.02.80.81.00.00.00.00.00.00.00.00.00.00.00.00.0

duk:DukeEnergyOhio



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-30
Value354696386255511254484
Percentage of NonoperatingIncomeExpense3.33.42.64.55.75.71.85.59.71.74.04.34.31.11.41.73.03.73.16.52.5
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax0.10.10.10.10.20.10.00.10.10.00.00.10.00.00.00.00.10.10.10.20.1
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:DukeEnergyOhio0.60.00.81.41.70.00.61.71.20.00.00.00.00.00.00.00.00.00.00.00.0

duk:DukeEnergyProgress



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-31
Value222527242426241918-1927263121814211620
Percentage of NonoperatingIncomeExpense24.417.017.518.015.224.514.313.029.0-16.521.822.227.024.111.412.112.714.715.5
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax0.40.40.40.40.40.40.40.30.30.00.00.50.00.00.00.20.30.40.6
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:DukeEnergyProgress1.70.01.61.81.70.01.61.51.20.00.00.00.00.00.00.00.00.00.0

duk:ProgressEnergy



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-31
Value32354134313751423516363640261423322639
Percentage of NonoperatingIncomeExpense35.623.826.625.619.634.930.428.856.513.929.030.834.829.920.019.819.423.930.2
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax0.60.60.60.60.50.60.80.80.60.00.00.60.00.00.00.40.50.71.1
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:ProgressEnergy1.40.01.31.31.20.01.71.71.40.00.00.00.00.00.00.00.00.00.0

Income Tax Expense Benefit

us-gaap:IncomeTaxExpenseBenefit



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value1379518814195-1168100181161364327344184520239213208420334364588460209-127309457165330140248214103208192233301116226
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax2.41.62.82.51.6-0.02.61.83.10.00.05.90.00.00.04.60.00.00.00.00.00.00.00.00.00.00.00.05.62.53.76.02.85.25.46.47.63.56.3

dei:LegalEntity

duk:DukeEnergyCarolinas



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value6556118746335145329113022914514895258141140912201531631141931101711332091081444213512515118410611116287115
Percentage of IncomeTaxExpenseBenefit47.458.962.852.566.3-3500.086.332.050.380.762.944.343.051.649.659.065.743.852.445.844.819.442.052.6-134.643.045.765.543.630.054.458.4146.688.555.247.653.875.050.9
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax1.11.01.71.31.10.62.20.61.50.00.02.60.00.00.02.70.00.00.00.00.00.00.00.00.00.00.00.02.40.72.03.54.24.63.03.04.12.63.2
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:DukeEnergyCarolinas3.70.05.54.43.70.07.11.95.40.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

duk:DukeEnergyFlorida



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value30265749231433720-162649252361161036774931047164128906745132-3470-35565373
Percentage of IncomeTaxExpenseBenefit21.927.430.334.824.2-100.025.637.011.0-100.617.628.115.119.622.343.131.535.622.131.119.510.927.843.1-52.814.628.9-20.621.2-25.022.624.870.9
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax0.50.40.80.90.40.00.70.70.30.00.01.70.00.00.02.00.00.00.00.00.00.00.00.00.00.00.00.01.2-0.60.81.52.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:DukeEnergyFlorida2.90.03.83.72.20.03.03.11.80.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

duk:DukeEnergyIndiana



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value262147313524353435987569596670484135273962344651666060495425-2240-116-192841443236
Percentage of IncomeTaxExpenseBenefit19.022.125.022.036.8-2400.020.834.019.360.920.621.117.235.913.520.119.216.86.411.717.05.810.024.4-52.019.413.129.716.417.9-8.918.7-112.6-9.114.617.614.627.615.9
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax0.40.40.70.50.60.40.50.60.60.00.01.20.00.00.00.90.00.00.00.00.00.00.00.00.00.00.00.00.90.4-0.31.1-3.2-0.50.81.11.11.01.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:DukeEnergyIndiana3.80.05.84.44.60.04.34.74.90.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

duk:DukeEnergyOhio



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value14611914201916-12-82816231332122117227352215-62-487104433-12131229444634385-4369
Percentage of IncomeTaxExpenseBenefit10.26.35.96.414.7-2000.011.316.0-6.6-5.07.74.96.77.16.25.09.98.25.22.19.63.73.3-29.7383.53.29.620.0-3.69.34.813.642.722.11.618.528.2-37.130.5
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax0.20.10.20.20.20.30.30.3-0.20.00.00.30.00.00.00.20.00.00.00.00.00.00.00.00.00.00.00.0-0.20.20.20.81.21.20.11.22.2-1.31.9
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:DukeEnergyOhio2.80.02.22.12.60.04.13.5-2.40.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

duk:DukeEnergyProgress



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value423248334440563529301147276301247275231205893598960777397506827451524
Percentage of IncomeTaxExpenseBenefit30.733.725.523.446.3-4000.033.335.016.018.631.322.022.116.323.830.135.211.128.617.425.510.019.328.7-60.623.621.230.320.619.318.17.023.3
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax0.70.50.70.60.70.70.90.60.50.00.01.30.00.00.01.40.00.00.00.00.00.00.00.00.00.00.00.01.20.50.70.40.7
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:DukeEnergyProgress3.20.02.92.43.00.03.62.82.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

duk:PiedmontNaturalGas



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value2021-10-23416-11-33519-10-55832-8263
Percentage of IncomeTaxExpenseBenefit14.622.1-5.3-1.435.8-1600.0-6.5-3.019.311.8-2.7-1.516.917.4-1.50.829.6
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax0.30.4-0.1-0.00.60.3-0.2-0.10.60.00.0-0.10.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:PiedmontNaturalGas4.30.0-6.4-1.06.00.0-6.8-1.56.30.00.00.00.00.00.00.00.0

duk:ProgressEnergy



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value604194665232945636-12014113910431219154123871511401449919512711984207-19101-21754276
Percentage of IncomeTaxExpenseBenefit43.843.250.046.854.7-3200.056.056.019.9-74.538.742.530.216.842.164.457.741.836.041.939.616.842.460.8-93.727.245.3-11.530.6-15.030.219.673.8
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax1.00.71.41.20.90.51.51.00.60.00.02.50.00.00.03.00.00.00.00.00.00.00.00.00.00.00.00.01.7-0.41.11.22.1
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:ProgressEnergy2.50.03.02.52.10.03.22.31.40.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Income Taxes Paid Net

Profit Loss

us-gaap:ProfitLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value89060713237488934541066502622703955689717-22211815126994829355478671001269613-936921008342634437598448299290470441513666-217445
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax15.310.419.513.114.97.716.59.210.50.00.012.40.00.00.09.80.00.00.00.00.00.00.00.00.00.00.00.010.77.78.912.58.28.611.912.514.016.9-6.612.4

dei:LegalEntity

duk:ProgressEnergy



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value283229521329248123406267237447343277201106449274212131451217263139330202203196342-171543415764152-74293178185
Percentage of ProfitLoss31.837.739.444.027.827.138.153.238.163.635.940.228.0-47.738.053.530.327.248.239.730.3139.026.033.0-218.328.333.9-5.024.37.826.314.350.8-25.562.340.436.1
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax4.93.97.75.84.12.16.34.94.00.00.05.00.00.00.05.30.00.00.00.00.00.00.00.00.00.00.00.02.60.62.31.84.2-2.27.45.05.1
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:ProgressEnergy12.00.016.512.39.90.013.611.09.40.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:StatementEquityComponents, dei:LegalEntity

us-gaap:Parent, duk:ProgressEnergy



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value283229521328249123404265
Percentage of ProfitLoss31.837.739.443.927.927.137.952.8
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax4.93.97.75.84.22.16.34.8
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:Parent duk:ProgressEnergy0.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings, duk:ProgressEnergy



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value283229521328249123404265
Percentage of ProfitLoss31.837.739.443.927.927.137.952.8
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax4.93.97.75.84.22.16.34.8
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:RetainedEarnings duk:ProgressEnergy0.00.00.00.00.00.00.00.0

Comprehensive Income Net Of Tax

us-gaap:ComprehensiveIncomeNetOfTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value836683131280088843810864986317169566897244011172558734449802567735101173631-756691000252651469574298355242195494
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax14.411.619.314.014.87.416.89.110.60.00.012.40.00.00.010.70.00.00.00.00.00.00.00.00.00.00.00.011.08.28.58.39.87.24.914.0

dei:LegalEntity

duk:DukeEnergyCarolinas



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-312011-09-302011-06-30
Value339219590301293135496117324206466274270141494261272141385265292139377271287209343181244131258213125313194
Percentage of ComprehensiveIncomeNetOfTax40.632.145.037.633.030.845.723.551.328.848.739.837.335.242.246.837.131.448.046.739.71390.032.142.9-382.731.234.371.837.527.944.971.551.7160.539.3
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax5.83.78.75.34.92.37.72.15.50.00.04.90.00.00.05.00.00.00.00.00.00.00.00.00.00.00.00.04.12.33.86.03.77.95.5
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:DukeEnergyCarolinas19.40.027.618.017.00.024.27.119.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

duk:DukeEnergyFlorida



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value121105290201974024316710334412115991632071711111052161651139320514210975196-57110-4412682129
Percentage of ComprehensiveIncomeNetOfTax14.515.422.125.110.99.122.433.516.348.012.723.112.615.717.730.615.123.426.929.115.4930.017.522.5-145.311.219.6-22.616.9-9.422.027.536.3
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax2.11.84.33.51.60.73.83.11.70.00.02.90.00.00.03.30.00.00.00.00.00.00.00.00.00.00.00.01.9-0.81.92.33.6
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:DukeEnergyFlorida11.50.019.115.29.20.017.014.29.50.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

duk:DukeEnergyIndiana



Period End2020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value991569711076119981003612110691721298594944568107581018711482103819058-1977-16855-326876
Percentage of ComprehensiveIncomeNetOfTax11.811.912.112.417.411.019.715.85.012.715.412.618.011.015.212.820.95.612.014.6580.08.613.8-152.012.310.332.113.812.4-3.325.8-47.322.7-16.413.80.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax1.72.31.71.81.31.81.81.70.00.01.90.00.00.01.60.00.00.00.00.00.00.00.00.00.00.00.01.51.0-0.32.2-4.61.6-0.81.92.1
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:DukeEnergyIndiana14.319.313.714.40.014.713.614.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

duk:DukeEnergyOhio



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value65487447695510046-25655530425789235963439-107-89065958-206814457531503473
Percentage of ComprehensiveIncomeNetOfTax7.87.05.65.97.812.69.29.2-4.09.15.84.45.814.27.64.18.0630.037.4-17.01186.70.95.923.0-3.114.52.415.121.112.825.66.90.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax1.10.81.10.81.20.91.60.8-0.40.00.00.50.00.00.00.40.00.00.00.00.00.00.00.0-0.31.20.21.32.10.91.31.02.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:DukeEnergyOhio12.90.015.011.013.00.021.510.0-4.90.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

duk:DukeEnergyProgress



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312013-12-312013-09-302013-06-302012-12-312012-09-302012-06-30
Value20415527816920313521613917716824615414760271131137138175779216825
Percentage of ComprehensiveIncomeNetOfTax24.422.721.221.122.930.819.927.928.123.525.722.420.315.023.123.518.720.617.530.619.629.38.4
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax3.52.64.13.03.42.33.32.53.00.00.02.80.00.00.02.50.00.00.00.01.62.50.7
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:DukeEnergyProgress15.50.016.812.514.10.014.011.212.30.00.00.00.00.00.00.00.00.00.00.00.00.00.0

duk:PiedmontNaturalGas



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value178105-18-712248-21-811063-11-89554-113103
Percentage of ComprehensiveIncomeNetOfTax21.315.4-1.4-0.913.711.0-1.9-1.617.48.8-1.2-1.213.113.5-0.90.514.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax3.11.8-0.3-0.12.00.8-0.3-0.11.90.00.0-0.10.00.00.00.10.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:PiedmontNaturalGas38.60.0-11.5-3.621.40.0-13.0-3.919.70.00.00.00.00.00.00.00.0

duk:ProgressEnergy



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-312012-09-302012-06-30
Value285229523331252127406267237445343281202106448275212121448216259146332206204193346-152625560
Percentage of ComprehensiveIncomeNetOfTax34.133.539.941.428.429.037.453.637.662.235.940.827.926.438.249.328.926.955.938.135.21460.028.332.6-272.028.834.6-6.05.544.420.1
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax4.93.97.75.84.22.16.34.94.00.00.05.10.00.00.05.30.00.00.00.00.00.00.00.00.00.00.00.00.53.81.7
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:ProgressEnergy12.00.016.512.410.10.013.611.09.40.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-312012-09-302012-06-302011-12-312011-09-302011-06-30
Value-62-67-19-84-7-10-162201314466-23-16-14524-12403-139
Percentage of ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax-1.1-1.1-0.3-1.5-0.1-0.2-0.20.00.00.00.00.10.00.00.00.10.00.00.00.00.00.00.00.00.00.00.00.00.10.00.1-0.30.3

Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value813630130872888142810705006337169576927254051176564740453800570734161172635-706711004251651471578298359182503541765-234440
Percentage of ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax14.010.719.312.814.77.216.69.110.70.00.012.50.00.00.010.80.00.00.00.00.00.00.00.00.00.00.00.011.08.38.68.39.94.614.214.819.4-7.112.2

dei:LegalEntity

duk:ProgressEnergy



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-03-31
Value285229523332251127408269239448345284204108451277215124451218262149333206205196346-15156157
Percentage of ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest35.136.340.045.628.529.738.153.837.862.636.141.028.126.738.449.129.127.456.438.235.7931.228.432.4-292.929.234.5-6.024.043.7
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax4.93.97.75.84.22.16.34.94.00.00.05.10.00.00.05.30.00.00.00.00.00.00.00.00.00.00.00.02.64.3
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:ProgressEnergy12.00.016.512.410.10.013.711.19.50.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Income Loss

us-gaap:NetIncomeLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value93870113278209004641082500620703954686716-2271176509694477932543864971274609-976881004339634435594444295288472435511427670-222445346109276344
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax16.212.019.514.415.07.816.89.110.50.00.012.30.00.00.09.80.00.00.00.00.00.00.00.00.00.00.00.010.77.68.812.48.18.611.912.314.012.417.0-6.812.411.13.29.510.4

dei:LegalEntity

duk:DukeEnergyCarolinas



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value339219590301293135496117323205466273270140494261271141383265292139377270286209342181
Percentage of NetIncomeLoss36.131.244.536.732.629.145.823.452.129.248.839.837.7-61.742.051.339.029.641.148.833.8143.329.644.3-294.830.434.153.4
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax5.83.78.75.34.92.37.72.15.40.00.04.90.00.00.05.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:DukeEnergyCarolinas19.40.027.618.017.00.024.27.119.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

duk:DukeEnergyFlorida



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value120106289201964024316810334412015890642061711101052161651139320514210875197-57
Percentage of NetIncomeLoss12.815.121.824.510.78.622.533.616.648.912.623.012.6-28.217.533.615.922.023.230.413.195.916.123.3-111.310.919.6-16.8
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax2.11.84.33.51.60.73.83.11.70.00.02.80.00.00.03.30.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:DukeEnergyFlorida11.40.019.115.29.10.017.014.39.50.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

duk:DukeEnergyIndiana



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value9973156971107611998100361211069172129859594466810858101871138210482
Percentage of NetIncomeLoss10.610.411.811.812.216.411.019.616.15.112.715.512.7-31.711.016.713.719.74.912.512.559.87.914.3-116.511.910.424.2
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax1.71.22.31.71.81.31.81.81.70.00.01.90.00.00.01.60.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:DukeEnergyIndiana14.30.019.313.714.40.014.713.614.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

duk:DukeEnergyOhio



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value65487447695510046-2565553042578923594332-5214963439-107-89065958
Percentage of NetIncomeLoss6.96.85.65.77.711.99.29.2-4.09.25.84.45.9-25.17.64.58.59.03.4-9.617.264.934.5-17.6917.50.95.917.1
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax1.10.81.10.81.20.91.60.8-0.40.00.00.50.00.00.00.40.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:DukeEnergyOhio12.90.015.011.013.00.021.510.0-4.90.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

duk:DukeEnergyProgress



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value2041552781692031352161391771682461541476027113113769229851837615710113313817577
Percentage of NetIncomeLoss21.722.120.920.622.629.120.027.828.523.925.822.420.5-26.423.025.719.714.524.615.721.278.412.316.6-137.120.117.422.7
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax3.52.64.13.03.42.33.32.53.00.00.02.80.00.00.02.50.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:DukeEnergyProgress15.50.016.812.514.10.014.011.212.30.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

duk:PiedmontNaturalGas



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-10-312016-09-302016-07-312016-06-302016-04-302016-03-312016-01-31
Value178105-18-712248-21-811063-11-8955439-12-736310398
Percentage of NetIncomeLoss19.015.0-1.4-0.913.610.3-1.9-1.617.79.0-1.2-1.213.3-23.80.0-1.00.00.60.014.80.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax3.11.8-0.3-0.12.00.8-0.3-0.11.90.00.0-0.10.00.00.00.00.00.10.00.00.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:PiedmontNaturalGas38.60.0-11.5-3.621.40.0-13.0-3.919.70.00.00.00.00.00.00.00.00.00.00.00.0

duk:ProgressEnergy



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value283229521328249123404265235444341274199104446272209128448215260136329202202195341-171533215563150-76291176184
Percentage of NetIncomeLoss30.232.739.340.027.726.537.353.037.963.235.739.927.8-45.837.953.430.126.848.139.630.1140.225.833.2-208.228.334.0-5.024.17.426.114.250.8-26.461.740.536.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax4.93.97.75.84.22.16.34.84.00.00.04.90.00.00.05.20.00.00.00.00.00.00.00.00.00.00.00.02.60.62.31.84.1-2.37.35.05.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:ProgressEnergy12.00.016.512.310.00.013.611.09.30.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:StatementEquityComponents, dei:LegalEntity

duk:MembersEquity, duk:DukeEnergyCarolinas



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value339219590301293135496117
Percentage of NetIncomeLoss36.131.244.536.732.629.145.823.4
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax5.83.78.75.34.92.37.72.1
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:MembersEquity duk:DukeEnergyCarolinas0.00.00.00.00.00.00.00.0

duk:MembersEquity, duk:DukeEnergyFlorida



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value1201062892019640243168
Percentage of NetIncomeLoss12.815.121.824.510.78.622.533.6
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax2.11.84.33.51.60.73.83.1
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:MembersEquity duk:DukeEnergyFlorida0.00.00.00.00.00.00.00.0

duk:MembersEquity, duk:DukeEnergyIndiana



Period End2020-03-312019-03-31
Value99110
Percentage of NetIncomeLoss10.612.2
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax1.71.8
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:MembersEquity duk:DukeEnergyIndiana0.00.0

duk:MembersEquity, duk:DukeEnergyProgress



Period End2020-03-312019-03-31
Value204203
Percentage of NetIncomeLoss21.722.6
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax3.53.4
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:MembersEquity duk:DukeEnergyProgress0.00.0

us-gaap:RetainedEarnings, duk:DukeEnergyOhio



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value65487447695510046
Percentage of NetIncomeLoss6.96.85.65.77.711.99.29.2
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax1.10.81.10.81.20.91.60.8
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:RetainedEarnings duk:DukeEnergyOhio0.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings, duk:PiedmontNaturalGas



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value178105-18-712248-21-8
Percentage of NetIncomeLoss19.015.0-1.4-0.913.610.3-1.9-1.6
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax3.11.8-0.3-0.12.00.8-0.3-0.1
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:RetainedEarnings duk:PiedmontNaturalGas0.00.00.00.00.00.00.00.0

Net Income Loss Available To Common Stockholders Basic

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312013-03-31
Value8996601327820900634
Percentage of NetIncomeLossAvailableToCommonStockholdersBasic100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax15.511.319.514.415.010.7

Net Income Loss Available To Common Stockholders Diluted

Net Income Loss Attributable To Noncontrolling Interest

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-30
Value-48-67-19-84-7-10-16220131553553433-54444302444-262-45
Percentage of NetIncomeLossAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax-0.8-1.1-0.3-1.5-0.1-0.2-0.20.00.00.00.00.10.00.00.00.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.10.10.1-0.10.20.1-0.10.2

Assets

us-gaap:Assets



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1600721588381559171534491511361453921431651402591385411379141363251350041341081327611296861226541217091211561210331185751221421207091196561151731137921147791145901141001136661138561120086303161799625266077659792589865909057040
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dei:LegalEntity

duk:DukeEnergyCarolinas



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value440514405343018424774202739960393393867538030377203725936963365793651536012359773617935426353853492834540337943401031711313193127331552310173092730642309152973829356298962883728135274652738826690
Percentage of Assets27.527.727.627.727.827.527.527.627.527.427.327.427.327.527.829.329.729.229.229.528.328.028.427.527.527.227.527.227.226.927.647.247.547.847.447.146.646.346.8
Percentage of Assets27.527.727.627.727.827.527.527.627.527.427.327.427.327.527.829.329.729.229.229.528.328.028.427.527.527.227.527.227.226.927.647.247.547.847.447.146.646.346.8
Percentage of Assets duk:DukeEnergyCarolinas100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

duk:DukeEnergyFlorida



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value204672045420062197541936918801187551854817929180691795817528172611661216374160411587415624156161553615446155181533314869147331475714845147921498515180
Percentage of Assets12.812.912.912.912.812.913.113.212.913.113.213.012.912.512.613.113.012.912.913.112.612.912.812.912.912.913.013.013.213.3
Percentage of Assets12.812.912.912.912.812.913.113.212.913.113.213.012.912.512.613.113.012.912.913.112.612.912.812.912.912.913.013.013.213.3
Percentage of Assets duk:DukeEnergyFlorida100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

duk:DukeEnergyIndiana



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1383713276132661280712636125351250912571123781228912267122331225012164119681157311401113991146811329110211093910678106611063010548103361012410060100089819993998761006297639821966996318410
Percentage of Assets8.68.48.58.38.48.68.79.08.98.99.09.19.19.29.29.49.49.49.59.69.09.18.99.39.39.29.08.98.98.88.815.816.016.116.116.416.416.314.7
Percentage of Assets8.68.48.58.38.48.68.79.08.98.99.09.19.19.29.29.49.49.49.59.69.09.18.99.39.39.29.08.98.98.88.815.816.016.116.116.416.416.314.7
Percentage of Assets duk:DukeEnergyIndiana100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

duk:DukeEnergyOhio



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value939793389183888991448555829681017896787577657605760975287408730371127097708370229796999910072956995351076310657106061058310560104941097810958109391065910724107671102411511
Percentage of Assets5.95.95.95.86.15.95.85.85.75.75.75.65.75.75.76.05.85.95.95.98.08.38.48.38.49.49.39.39.39.39.417.417.717.517.517.918.318.720.2
Percentage of Assets5.95.95.95.86.15.95.85.85.75.75.75.65.75.75.76.05.85.95.95.98.08.38.48.38.49.49.39.39.39.39.417.417.717.517.517.918.318.720.2
Percentage of Assets duk:DukeEnergyOhio100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

duk:DukeEnergyProgress



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value329863337732598320523194830011297032863028035277992728126796265002632925827250552491024894247942273522399223802097819506193081890918542186051824618068
Percentage of Assets20.621.020.920.921.120.620.720.420.220.220.019.819.819.819.920.420.520.520.519.218.318.517.516.917.016.516.216.316.115.9
Percentage of Assets20.621.020.920.921.120.620.720.420.220.220.019.819.819.819.920.420.520.520.519.218.318.517.516.917.016.516.216.316.115.9
Percentage of Assets duk:DukeEnergyProgress100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

duk:PiedmontNaturalGas



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value78577756739170956892681064416343618062185996583359135944
Percentage of Assets4.94.94.74.64.64.74.54.54.54.54.44.34.44.5
Percentage of Assets4.94.94.74.64.64.74.54.54.54.54.44.34.44.5
Percentage of Assets duk:PiedmontNaturalGas100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

duk:ProgressEnergy



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-312010-12-31
Value5733857694565175557655087526645227950914497984968848996480314742146650459644491844654445484452642419419584202840172382803798437969374303755137285374053493132886
Percentage of Assets35.836.336.236.236.436.236.536.335.936.035.935.635.435.135.436.636.736.836.835.834.434.833.633.233.433.132.732.932.832.955.955.7
Percentage of Assets35.836.336.236.236.436.236.536.335.936.035.935.635.435.135.436.636.736.836.835.834.434.833.633.233.433.132.732.932.832.955.955.7
Percentage of Assets duk:ProgressEnergy100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidationItems

us-gaap:IntersegmentElimination



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-12-312012-12-31
Value-12188185181177188185181177188185181178188184180178188185181176189-185188170
Percentage of Assets-0.00.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.20.20.20.10.2-0.20.20.1
Percentage of Assets-0.00.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.20.20.20.10.2-0.20.20.1
Percentage of Assets us-gaap:IntersegmentElimination100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidationItems, dei:LegalEntity

us-gaap:IntersegmentElimination, duk:DukeEnergyOhio



Period End2020-03-312019-09-302017-12-31
Value-2-3-15
Percentage of Assets-0.0-0.0-0.0
Percentage of Assets-0.0-0.0-0.0
Percentage of Assets us-gaap:IntersegmentElimination duk:DukeEnergyOhio100.0100.0100.0

us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:CorporateNonSegment, us-gaap:AllOtherSegments



Period End2020-03-312019-12-312018-12-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value496431483275268522402435289824435373
Percentage of Assets3.12.02.31.91.61.82.21.84.4
Percentage of Assets3.12.02.31.91.61.82.21.84.4
Percentage of Assets us-gaap:CorporateNonSegment us-gaap:AllOtherSegments100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, duk:CommercialRenewables



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-312014-12-31
Value6184602052784870437842044212423342654156421643064400437738612981
Percentage of Assets3.93.83.43.22.92.92.93.03.13.03.13.23.33.33.22.5
Percentage of Assets3.93.83.43.22.92.92.93.03.13.03.13.23.33.33.22.5
Percentage of Assets us-gaap:OperatingSegments duk:CommercialRenewables100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, duk:ElectricUtilitiesandInfrastructure



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-312014-12-31
Value134838135561133296131640130406125364123847121947120021119423118323117009115766114993109097104119
Percentage of Assets84.285.385.585.886.386.286.586.986.686.686.886.786.386.690.086.3
Percentage of Assets84.285.385.585.886.386.286.586.986.686.686.886.786.386.690.086.3
Percentage of Assets us-gaap:OperatingSegments duk:ElectricUtilitiesandInfrastructure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, duk:GasUtilitiesandInfrastructure



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-312014-12-31
Value140981392113424129431263912361118061143711396114621136111073108661076026372512
Percentage of Assets8.88.88.68.48.48.58.28.28.28.38.38.28.18.12.22.1
Percentage of Assets8.88.88.68.48.48.58.28.28.28.38.38.28.18.12.22.1
Percentage of Assets us-gaap:OperatingSegments duk:GasUtilitiesandInfrastructure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, duk:TotalReportableSegments



Period End2020-03-312019-12-312018-12-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-12-312012-12-31
Value155120155502141929135041133900132388131032130130122274120214119268118843118091115514117736118067116527111837110560
Percentage of Assets96.997.997.697.998.298.197.798.094.398.098.098.197.697.496.497.897.497.497.1
Percentage of Assets96.997.997.697.998.298.197.798.094.398.098.098.197.697.496.497.897.497.497.1
Percentage of Assets us-gaap:OperatingSegments duk:TotalReportableSegments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments, dei:LegalEntity

us-gaap:CorporateNonSegment, us-gaap:AllOtherSegments, duk:DukeEnergyOhio



Period End2020-03-312019-12-312018-12-312017-12-31
Value26343866
Percentage of Assets0.00.00.00.0
Percentage of Assets0.00.00.00.0
Percentage of Assets us-gaap:CorporateNonSegment us-gaap:AllOtherSegments duk:DukeEnergyOhio100.0100.0100.0100.0

us-gaap:OperatingSegments, duk:ElectricUtilitiesandInfrastructure, duk:DukeEnergyOhio



Period End2020-03-312019-12-312019-09-302019-06-302018-12-312017-12-31
Value623861886107591456435066
Percentage of Assets3.93.93.93.93.93.7
Percentage of Assets3.93.93.93.93.93.7
Percentage of Assets us-gaap:OperatingSegments duk:ElectricUtilitiesandInfrastructure duk:DukeEnergyOhio100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, duk:GasUtilitiesandInfrastructure, duk:DukeEnergyOhio



Period End2020-03-312019-12-312019-09-302019-06-302018-12-312017-12-31
Value313531163049294828742758
Percentage of Assets2.02.02.01.92.02.0
Percentage of Assets2.02.02.01.92.02.0
Percentage of Assets us-gaap:OperatingSegments duk:GasUtilitiesandInfrastructure duk:DukeEnergyOhio100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, duk:TotalReportableSegments, duk:DukeEnergyOhio



Period End2020-03-312019-12-312018-12-312017-12-31
Value9373930485177824
Percentage of Assets5.95.95.95.7
Percentage of Assets5.95.95.95.7
Percentage of Assets us-gaap:OperatingSegments duk:TotalReportableSegments duk:DukeEnergyOhio100.0100.0100.0100.0

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1600721588381559171534491511361453921431651402591385411379141363251350041341081327611296861226541217091211561210331185751221421207091196561151731137921147791145901141001136661138561120086303161799625266077659792589865909057040
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dei:LegalEntity

duk:DukeEnergyCarolinas



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-31
Value440514405343018424774202739960393393867538030377203725936963365793651536012359773617935426353853492834540337943401031711313193127330642
Percentage of LiabilitiesAndStockholdersEquity27.527.727.627.727.827.527.527.627.527.427.327.427.327.527.829.329.729.229.229.528.328.028.427.527.527.226.9
Percentage of Assets27.527.727.627.727.827.527.527.627.527.427.327.427.327.527.829.329.729.229.229.528.328.028.427.527.527.226.9
Percentage of Assets duk:DukeEnergyCarolinas100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

duk:DukeEnergyFlorida



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value204672045420062197541936918801187551854817929180691795817528172611661216374160411587415624156161553615446155181533314869147331475714845147921498515180
Percentage of LiabilitiesAndStockholdersEquity12.812.912.912.912.812.913.113.212.913.113.213.012.912.512.613.113.012.912.913.112.612.912.812.912.912.913.013.013.213.3
Percentage of Assets12.812.912.912.912.812.913.113.212.913.113.213.012.912.512.613.113.012.912.913.112.612.912.812.912.912.913.013.013.213.3
Percentage of Assets duk:DukeEnergyFlorida100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

duk:DukeEnergyIndiana



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-312011-09-302010-12-312009-12-31
Value1383713276132661280712636125351250912571123781228912267122331225012164119681157311401113991146811329110211093910678106611063010548103361012410060100089819993910062976396318410
Percentage of LiabilitiesAndStockholdersEquity8.68.48.58.38.48.68.79.08.98.99.09.19.19.29.29.49.49.49.59.69.09.18.99.39.39.29.08.98.98.88.815.816.116.116.314.7
Percentage of Assets8.68.48.58.38.48.68.79.08.98.99.09.19.19.29.29.49.49.49.59.69.09.18.99.39.39.29.08.98.98.88.815.816.116.116.314.7
Percentage of Assets duk:DukeEnergyIndiana100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

duk:DukeEnergyOhio



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-312009-12-31
Value93979338918388899144855582968101789678757765760576097528740873037112709770837022979699991007295699535107631065710606105831056010494109781095810939106591102411511
Percentage of LiabilitiesAndStockholdersEquity5.95.95.95.86.15.95.85.85.75.75.75.65.75.75.76.05.85.95.95.98.08.38.48.38.49.49.39.39.39.39.417.417.717.517.518.720.2
Percentage of Assets5.95.95.95.86.15.95.85.85.75.75.75.65.75.75.76.05.85.95.95.98.08.38.48.38.49.49.39.39.39.39.417.417.717.517.518.720.2
Percentage of Assets duk:DukeEnergyOhio100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

duk:DukeEnergyProgress



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value329863337732598320523194830011297032863028035277992728126796265002632925827250552491024894247942273522399223802097819506193081890918542186051824618068
Percentage of LiabilitiesAndStockholdersEquity20.621.020.920.921.120.620.720.420.220.220.019.819.819.819.920.420.520.520.519.218.318.517.516.917.016.516.216.316.115.9
Percentage of Assets20.621.020.920.921.120.620.720.420.220.220.019.819.819.819.920.420.520.520.519.218.318.517.516.917.016.516.216.316.115.9
Percentage of Assets duk:DukeEnergyProgress100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

duk:PiedmontNaturalGas



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value78577756739170956892681064416343618062185996583359135944
Percentage of LiabilitiesAndStockholdersEquity4.94.94.74.64.64.74.54.54.54.54.44.34.44.5
Percentage of Assets4.94.94.74.64.64.74.54.54.54.54.44.34.44.5
Percentage of Assets duk:PiedmontNaturalGas100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

duk:ProgressEnergy



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-31
Value57338576945651755576550875266452279509144979849688489964803147421466504596444918446544454844526424194195842028401723828037984379693743037551372853740534931
Percentage of LiabilitiesAndStockholdersEquity35.836.336.236.236.436.236.536.335.936.035.935.635.435.135.436.636.736.836.835.834.434.833.633.233.433.132.732.932.832.955.9
Percentage of Assets35.836.336.236.236.436.236.536.335.936.035.935.635.435.135.436.636.736.836.835.834.434.833.633.233.433.132.732.932.832.955.9
Percentage of Assets duk:ProgressEnergy100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Stockholders Equity

us-gaap:StockholdersEquity



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-10-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value469214682246438452134503043817429954250741792417394163141284411794103340489398953989239727-1398323958041051408754141240803407094133041165401324095340863409052241922781227722279422583227342252221750
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets29.329.529.829.529.830.130.030.330.230.330.530.630.730.931.232.532.832.80.032.933.433.633.934.635.435.836.035.935.236.035.936.535.636.936.437.537.838.538.138.1

dei:LegalEntity

duk:DukeEnergyOhio



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value3748368336353561351434453390329031383163309830433038299629392841284327844674516652735259521451675136528652525464544552706027589866706534
Percentage of StockholdersEquity8.07.97.87.97.87.97.97.77.57.67.47.47.47.37.37.17.17.011.412.612.923.522.922.722.523.423.124.30.00.00.027.10.00.0
Percentage of Assets2.32.32.32.32.32.42.42.32.32.32.32.32.32.32.32.32.32.33.94.54.78.38.48.38.58.88.99.20.00.00.010.30.00.0
Percentage of Assets duk:DukeEnergyOhio39.939.439.640.138.440.340.940.639.740.239.940.039.939.839.738.940.039.246.748.950.247.947.647.248.249.348.849.60.00.00.051.20.00.0

duk:PiedmontNaturalGas



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-10-312016-09-302016-06-302016-03-312015-12-312015-10-312014-10-31
Value262024432338235622132091204320641772166215991610176716721645158715211541145814261309
Percentage of StockholdersEquity5.65.25.05.24.94.84.84.94.24.03.83.94.34.10.03.93.83.93.7-142600.00.0
Percentage of Assets1.61.51.51.51.51.41.41.51.31.21.21.21.31.30.01.21.21.31.20.00.0
Percentage of Assets duk:PiedmontNaturalGas33.331.531.633.232.130.731.732.528.726.726.727.629.928.10.00.00.00.00.00.00.0

duk:ProgressEnergy



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-31
Value15874155901536014837145061425414128139721370413468130231230512022118201273912711130871287512754116811146411208110631073010525108601066310318103331018110021
Percentage of StockholdersEquity33.833.333.132.832.232.532.932.932.832.331.329.829.228.831.531.932.832.432.029.527.927.426.726.325.926.325.925.725.224.944.0
Percentage of Assets9.99.89.99.79.69.89.910.09.99.89.69.19.08.99.810.410.810.610.59.99.49.39.29.39.29.59.39.09.18.916.0
Percentage of Assets duk:ProgressEnergy27.727.027.226.726.327.127.027.427.527.126.625.625.425.327.728.329.328.928.627.527.326.727.528.027.728.628.527.527.727.228.7

us-gaap:StatementEquityComponents, dei:LegalEntity

us-gaap:AdditionalPaidInCapital, duk:DukeEnergyOhio



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312012-09-302012-06-302011-12-312011-09-302011-06-302010-12-31
Value27762776277627762776277627762776267026702695505750575085508552855570
Percentage of StockholdersEquity5.95.96.06.16.26.36.56.56.46.46.612.422.622.322.323.424.7
Percentage of Assets1.71.71.81.81.81.91.92.01.91.92.04.58.08.18.48.89.4
Percentage of Assets us-gaap:AdditionalPaidInCapital duk:DukeEnergyOhio0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock, duk:PiedmontNaturalGas



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value13101310131013101160116011601160860860860
Percentage of StockholdersEquity2.82.82.82.92.62.62.72.72.12.12.1
Percentage of Assets0.80.80.80.90.80.80.80.80.60.60.6
Percentage of Assets us-gaap:CommonStock duk:PiedmontNaturalGas0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings, duk:DukeEnergyOhio



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value2101459723-24-93-148-248-294-269-461
Percentage of StockholdersEquity0.40.30.20.1-0.1-0.2-0.3-0.6-0.7-0.6-1.1
Percentage of Assets0.10.10.10.0-0.0-0.1-0.1-0.2-0.2-0.2-0.3
Percentage of Assets us-gaap:RetainedEarnings duk:DukeEnergyOhio0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings, duk:PiedmontNaturalGas



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value13101133102810461053931883904912802812
Percentage of StockholdersEquity2.82.42.22.32.32.12.12.12.21.92.0
Percentage of Assets0.80.70.70.70.70.60.60.60.70.60.6
Percentage of Assets us-gaap:RetainedEarnings duk:PiedmontNaturalGas0.00.00.00.00.00.00.00.00.00.00.0

Assets Current

us-gaap:AssetsCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value101819163961995099168971495208476827984537706767380058039135348097794383221019595981232211575115751151510565105161041898759549101221010664875924688062735634554562235766
Percentage of AssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets6.45.86.26.26.16.76.66.06.06.15.75.76.06.110.46.66.56.98.48.110.19.69.710.09.39.29.18.78.48.99.010.39.611.010.39.49.410.510.1

dei:LegalEntity

duk:DukeEnergyCarolinas



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value298926652675259824822673264924342290224022992226219823782442266432262730342231533174261429162826275028483010262127272730343824002392325228202574232625732948
Percentage of AssetsCurrent29.429.127.827.327.127.527.828.727.726.529.829.027.529.618.032.940.632.833.632.925.822.625.224.526.027.128.926.528.627.034.037.040.447.345.045.741.941.351.1
Percentage of Assets1.91.71.71.71.61.81.91.71.71.61.71.61.61.81.92.22.72.32.82.72.62.22.42.52.42.52.62.32.42.43.13.83.95.24.64.33.94.45.2
Percentage of Assets duk:DukeEnergyCarolinas6.86.06.26.15.96.76.76.36.05.96.26.06.06.56.87.48.97.79.79.09.27.78.68.98.89.19.58.58.88.911.18.18.110.99.89.18.59.411.0

duk:DukeEnergyFlorida



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value142315931511159514631553198020891517176314981593156313491328126511931242152115921519178418011449132913681396130713361640
Percentage of AssetsCurrent14.017.415.716.816.016.020.824.618.320.919.420.819.516.89.815.615.014.914.916.612.315.415.612.612.613.013.413.214.016.2
Percentage of Assets0.91.01.01.01.01.11.41.51.11.31.11.21.21.01.01.01.01.01.31.31.21.51.51.31.21.21.21.11.21.4
Percentage of Assets duk:DukeEnergyFlorida7.07.87.58.17.68.310.611.38.59.88.39.19.18.18.17.97.57.99.710.29.811.511.79.79.09.39.48.88.910.8

duk:DukeEnergyIndiana



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value133683197277978183085988082383685088510431020949974920946121810261189116499010811137961857728711691654674719679562653716837608
Percentage of AssetsCurrent13.19.110.18.28.58.59.010.49.99.911.011.513.012.77.012.011.611.411.910.79.610.18.69.410.89.18.27.47.46.86.510.412.19.99.011.612.913.510.5
Percentage of Assets0.80.50.60.50.50.60.60.60.60.60.60.70.80.80.70.80.80.81.00.91.01.00.80.91.00.80.70.60.60.60.61.11.21.10.91.11.21.41.1
Percentage of Assets duk:DukeEnergyIndiana9.76.37.36.16.26.66.97.06.66.86.97.28.58.47.98.48.18.310.69.110.810.69.310.110.79.18.37.27.16.96.76.87.36.75.86.67.48.77.2

duk:DukeEnergyOhio



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value31539843234185342039436533344845742151651852552337941546845580399410571139108989175873775171676513021344124311451182122414911134
Percentage of AssetsCurrent3.14.34.53.69.34.34.14.34.05.35.95.56.46.43.96.54.85.04.64.76.58.69.19.910.38.57.37.57.97.17.620.122.718.118.321.022.124.019.7
Percentage of Assets0.20.30.30.20.60.30.30.30.20.30.30.30.40.40.40.40.30.30.40.40.70.80.91.01.00.80.70.60.70.60.72.12.22.01.92.02.12.52.0
Percentage of Assets duk:DukeEnergyOhio3.44.34.73.89.34.94.74.54.25.75.95.56.86.97.17.25.35.86.66.58.29.910.511.911.48.37.16.97.16.87.311.912.311.410.711.011.413.59.9

duk:DukeEnergyProgress



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value207622062271222522592387248921782093200419131812175119571988176317831940233918142038237220762141207118611788171716281622
Percentage of AssetsCurrent20.424.123.623.424.624.626.125.725.323.724.823.621.924.314.721.822.423.322.918.916.520.517.918.619.617.717.217.417.016.0
Percentage of Assets1.31.41.51.41.51.61.71.61.51.51.41.31.31.51.51.41.51.61.91.51.72.01.71.91.81.61.61.51.41.4
Percentage of Assets duk:DukeEnergyProgress6.36.67.06.97.18.08.47.67.57.27.06.86.67.47.77.07.27.89.48.09.110.69.911.010.79.89.69.28.99.0

duk:PiedmontNaturalGas



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value356424305253323431247314368514413346363475
Percentage of AssetsCurrent3.54.63.22.73.54.42.63.74.46.15.44.54.55.9
Percentage of Assets0.20.30.20.20.20.30.20.20.30.40.30.30.30.4
Percentage of Assets duk:PiedmontNaturalGas4.55.54.13.64.76.33.85.06.08.36.95.96.18.0

duk:ProgressEnergy



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-31
Value3618391738953848375040854583429537373881346034043267330433653136313334974244382239384557400537623609358533143190299932433320
Percentage of AssetsCurrent35.542.740.540.540.942.148.150.745.145.944.944.440.841.124.938.739.442.041.639.832.039.434.632.734.234.131.832.331.432.048.3
Percentage of Assets2.32.52.52.52.52.83.23.12.72.82.52.52.42.52.62.62.62.93.53.23.23.83.33.33.23.12.92.82.62.85.3
Percentage of Assets duk:ProgressEnergy6.36.86.96.96.87.88.88.47.57.87.17.16.97.17.37.07.07.89.59.09.410.810.09.89.59.48.98.58.08.79.5

Cash And Cash Equivalents At Carrying Value

us-gaap:CashAndCashEquivalentsAtCarryingValue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value1450311379336377442303304421358282298878392617967677885713709602821203619312008153115012166157112961424176115261071211020321362141916701808101010801542986678
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.90.20.20.20.20.30.20.20.30.30.20.20.70.34.80.60.60.71.10.82.31.71.61.71.31.31.91.41.11.31.62.41.73.43.32.32.42.80.00.00.02.70.00.0

dei:LegalEntity

duk:DukeEnergyCarolinas



Period End2020-03-312019-12-312019-09-302019-06-302018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value1618231533271631618161114821617131982830133423172325135193141815289318143911533741310439432321
Percentage of CashAndCashEquivalentsAtCarryingValue1.15.86.14.57.58.95.30.74.56.45.41.33.61.32.42.21.514.52.91.10.61.81.11.11.51.20.80.41.317.81.21.413.715.610.56.49.220.71.39.625.632.83.1
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.10.00.00.00.20.00.00.00.00.00.00.00.00.00.00.00.30.00.00.50.50.20.20.30.00.00.00.70.00.0
Percentage of Assets duk:DukeEnergyCarolinas0.00.00.10.00.10.10.00.00.00.00.00.00.00.20.00.00.00.60.10.10.00.10.10.10.10.10.00.00.11.00.10.11.01.10.50.30.60.00.00.01.50.00.0

duk:DukeEnergyFlorida



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-31
Value121724168362014613887161081281613108151310161518713120191816249
Percentage of CashAndCashEquivalentsAtCarryingValue0.85.56.34.82.18.16.64.61.43.62.82.70.84.10.21.21.50.91.21.40.40.40.80.60.71.10.71.10.59.21.11.21.70.814.9
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.10.00.00.00.00.4
Percentage of Assets duk:DukeEnergyFlorida0.10.10.10.10.00.20.10.10.00.10.00.00.00.10.10.00.10.10.10.10.10.10.10.10.10.10.10.10.00.90.00.00.00.00.0

duk:DukeEnergyIndiana



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value1525201220241724159221715179412179621216624122615258233618192216211952542126352014412
Percentage of CashAndCashEquivalentsAtCarryingValue1.08.05.33.65.35.45.67.93.62.57.85.71.74.31.51.82.21.14.51.20.60.31.20.61.71.01.20.51.82.51.01.22.10.81.01.43.73.211.70.63.21.314.61.8
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.10.00.00.00.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.10.10.00.00.00.00.00.0
Percentage of Assets duk:DukeEnergyIndiana0.10.20.20.10.20.20.10.20.10.10.20.10.10.10.80.10.10.10.50.10.10.10.20.10.20.10.20.10.20.40.20.20.20.20.20.20.50.60.00.00.00.20.00.0

duk:DukeEnergyOhio



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value14171181721771212791313991019142422522028253836271527311322269921616598228341161201272733
Percentage of CashAndCashEquivalentsAtCarryingValue1.05.52.92.44.54.82.32.32.93.42.53.01.53.31.61.52.41.61.82.31.81.01.51.22.52.41.21.02.12.20.71.42.44.710.612.16.913.718.91.611.18.22.74.9
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.20.40.30.20.40.00.00.00.20.00.0
Percentage of Assets duk:DukeEnergyOhio0.10.20.10.10.20.20.10.10.20.20.10.10.20.21.30.10.30.20.30.30.50.20.30.30.40.30.30.10.30.30.10.20.20.92.01.50.92.10.00.00.01.10.00.0

duk:DukeEnergyProgress



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-31
Value322249283023171882015121111136811151231369679213220111819212120230
Percentage of CashAndCashEquivalentsAtCarryingValue2.27.112.98.38.05.25.65.91.95.65.34.01.32.82.21.21.41.89.01.40.20.40.30.30.61.41.51.30.81.31.11.42.00.913.8
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.10.00.00.00.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.4
Percentage of Assets duk:DukeEnergyProgress0.10.10.20.10.10.10.10.10.00.10.10.00.00.00.50.00.00.10.50.10.00.00.00.00.00.10.20.10.10.10.00.00.00.00.0

duk:PiedmontNaturalGas



Period End2020-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-10-312016-09-302016-06-302016-03-312015-12-312015-10-312014-10-31
Value406812191214152517412114331410
Percentage of CashAndCashEquivalentsAtCarryingValue0.30.02.02.62.95.34.34.71.76.40.00.73.11.83.90.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets duk:PiedmontNaturalGas0.10.00.10.10.20.30.20.20.30.40.00.00.00.00.00.00.0

duk:ProgressEnergy



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-312009-12-31
Value5248825145674337204030393846165344144158454442473836586654352315773565230611725
Percentage of CashAndCashEquivalentsAtCarryingValue3.615.421.615.211.915.214.212.24.811.210.613.14.311.72.75.05.35.111.54.71.62.12.41.92.43.93.03.42.716.23.24.852.810.936.647.0
Percentage of Assets0.00.00.10.00.00.00.00.00.00.00.00.00.00.00.10.00.00.00.10.00.00.00.00.00.00.10.10.00.00.20.10.10.90.41.01.3
Percentage of Assets duk:ProgressEnergy0.10.10.10.10.10.10.10.10.00.10.10.10.10.10.40.10.10.10.40.10.10.10.10.10.10.20.20.10.10.60.00.00.00.71.90.0

Short Term Investments

Accounts Receivable Net Current

us-gaap:AccountsReceivableNetCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value18281994232221531981217223972205198419952089188016821893
Percentage of AccountsReceivableNetCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.11.31.51.41.31.51.71.61.41.41.51.41.31.4

dei:LegalEntity

duk:DukeEnergyCarolinas



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value616642775671630699795704634640691611563645
Percentage of AccountsReceivableNetCurrent33.732.233.431.231.832.233.231.932.032.133.132.533.534.1
Percentage of Assets0.40.40.50.40.40.50.60.50.50.50.50.50.40.5
Percentage of Assets duk:DukeEnergyCarolinas1.41.51.81.61.51.72.01.81.71.71.91.71.51.8

duk:DukeEnergyFlorida



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value335341478480322362463400318321428354248288
Percentage of AccountsReceivableNetCurrent18.317.120.622.316.316.719.318.116.016.120.518.814.715.2
Percentage of Assets0.20.20.30.30.20.20.30.30.20.20.30.30.20.2
Percentage of Assets duk:DukeEnergyFlorida1.61.72.42.41.71.92.52.21.81.82.42.01.41.7

duk:DukeEnergyProgress



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value410489564518495547635568497459472422364404
Percentage of AccountsReceivableNetCurrent22.424.524.324.125.025.226.525.825.123.022.622.421.621.3
Percentage of Assets0.30.30.40.30.30.40.40.40.40.30.30.30.30.3
Percentage of Assets duk:DukeEnergyProgress1.21.51.71.61.51.82.12.01.81.71.71.61.41.5

duk:ProgressEnergy



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value74583010429988179091098969815780900777612692
Percentage of AccountsReceivableNetCurrent40.841.644.946.441.241.945.843.941.139.143.141.336.436.6
Percentage of Assets0.50.50.70.70.50.60.80.70.60.60.70.60.50.5
Percentage of Assets duk:ProgressEnergy1.31.41.81.81.51.72.11.91.61.61.81.61.31.5

Receivables Net Current

Inventory Net

Inventory Raw Materials And Supplies

Other Assets Current

Prepaid Expense And Other Assets Current

us-gaap:PrepaidExpenseAndOtherAssetsCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302011-12-31
Value1000764133312679761049109243742263443343642545842945130832715661498200818371954169816611821219120662062242521231051
Percentage of PrepaidExpenseAndOtherAssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.60.50.90.80.60.70.80.30.30.50.30.30.30.30.30.40.30.31.31.31.61.51.61.51.51.61.91.81.82.11.91.7

dei:LegalEntity

duk:DukeEnergyCarolinas



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302011-12-31
Value3121191731725521421927346537228632128164544177247271269309474457428439445278
Percentage of PrepaidExpenseAndOtherAssetsCurrent3.12.71.41.33.26.95.04.810.03.06.27.815.38.15.119.110.439.110.53.62.04.212.616.016.217.021.622.120.818.121.026.5
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.10.00.10.10.00.00.10.20.20.20.30.40.40.40.40.40.4
Percentage of Assets duk:DukeEnergyCarolinas0.10.00.00.00.10.20.10.10.10.10.10.10.20.10.10.20.10.40.50.20.10.20.70.90.91.01.51.51.41.41.40.9

duk:DukeEnergyFlorida



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value37584246554627183408615450104125464352211792823335212302364182325318354351
Percentage of PrepaidExpenseAndOtherAssetsCurrent3.77.63.23.65.64.42.541.99.513.635.611.524.527.310.79.516.96.411.418.816.628.411.81.43.910.014.815.417.214.5
Percentage of Assets0.00.00.00.00.00.00.00.10.00.10.10.00.10.10.00.00.00.00.10.20.30.40.20.00.10.20.30.30.30.3
Percentage of Assets duk:DukeEnergyFlorida0.20.30.20.20.30.20.11.00.20.50.90.30.60.80.30.30.30.11.11.82.23.41.50.20.41.22.22.12.42.3

duk:DukeEnergyIndiana



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302011-12-31
Value3660294223356452303034883545104451615167124240326235231112125216160141138124135
Percentage of PrepaidExpenseAndOtherAssetsCurrent3.67.92.23.32.43.35.911.97.14.77.920.28.29.824.210.05.24.610.78.312.017.712.013.66.76.99.97.76.85.75.812.8
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.10.00.00.10.00.00.00.10.10.20.30.20.20.10.10.20.10.10.10.10.2
Percentage of Assets duk:DukeEnergyIndiana0.30.50.20.30.20.30.50.40.20.20.30.70.30.40.90.40.10.11.51.12.23.02.22.21.11.22.11.61.41.41.31.3

duk:DukeEnergyOhio



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302011-12-31
Value112128322524283024391838343759653211016714297167135188128270292279257267259220
Percentage of PrepaidExpenseAndOtherAssetsCurrent1.12.72.12.52.62.32.66.95.76.24.28.78.08.113.814.410.433.610.79.54.89.16.911.17.714.813.313.512.511.012.220.9
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.10.00.10.10.10.10.10.10.20.10.20.30.20.20.20.20.4
Percentage of Assets duk:DukeEnergyOhio0.10.20.30.40.30.30.30.40.30.50.20.50.40.50.80.90.41.52.42.01.01.71.32.01.32.52.72.62.42.52.52.0

duk:DukeEnergyProgress



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value486095344562112335597407610257833551121534999384261271300296407361308313
Percentage of PrepaidExpenseAndOtherAssetsCurrent4.87.97.12.74.65.910.37.613.015.39.217.424.012.419.37.816.637.03.43.34.920.913.416.018.116.318.617.514.912.9
Percentage of Assets0.00.00.10.00.00.00.10.00.00.10.00.10.10.00.10.00.00.10.00.00.10.30.20.20.30.30.40.30.30.3
Percentage of Assets duk:DukeEnergyProgress0.10.20.30.10.10.20.40.10.20.30.10.30.40.20.30.10.20.50.20.20.41.71.21.41.61.62.21.91.71.7

duk:PiedmontNaturalGas



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value13281225719194836215231872121
Percentage of PrepaidExpenseAndOtherAssetsCurrent1.33.79.24.51.91.84.48.25.08.27.220.04.94.6
Percentage of Assets0.00.00.10.00.00.00.00.00.00.00.00.10.00.0
Percentage of Assets duk:PiedmontNaturalGas0.20.41.70.80.30.30.70.60.30.80.51.50.40.4

duk:ProgressEnergy



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-31
Value1962102421071431252563562593342431962521481831682371566337097931285622449565726761728709766778
Percentage of PrepaidExpenseAndOtherAssetsCurrent19.627.518.28.414.711.923.481.561.452.756.145.059.332.342.737.376.947.740.447.339.570.031.826.434.039.934.735.234.431.674.0
Percentage of Assets0.10.10.20.10.10.10.20.30.20.20.20.10.20.10.10.10.20.10.50.60.61.10.50.40.50.60.70.60.60.71.2
Percentage of Assets duk:ProgressEnergy0.30.40.40.20.30.20.50.70.50.70.50.40.50.30.40.40.50.41.41.71.93.11.51.21.51.92.01.91.92.02.2

us-gaap:CounterpartyName

duk:VariableInterestEntity



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value300242188140152162214
Percentage of PrepaidExpenseAndOtherAssetsCurrent30.031.714.111.015.615.433.8
Percentage of Assets0.20.20.10.10.10.10.2
Percentage of Assets duk:VariableInterestEntity0.00.00.00.00.00.00.0

us-gaap:CounterpartyName, dei:LegalEntity

duk:VariableInterestEntity, duk:DukeEnergyFlorida



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value1339163139
Percentage of PrepaidExpenseAndOtherAssetsCurrent1.35.11.22.43.7
Percentage of Assets0.00.00.00.00.0
Percentage of Assets duk:VariableInterestEntity duk:DukeEnergyFlorida0.00.00.00.00.0

duk:VariableInterestEntity, duk:ProgressEnergy



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value1339163139
Percentage of PrepaidExpenseAndOtherAssetsCurrent1.35.11.22.43.7
Percentage of Assets0.00.00.00.00.0
Percentage of Assets duk:VariableInterestEntity duk:ProgressEnergy0.00.00.00.00.0

us-gaap:CounterpartyName, duk:InvestmentsbyConsolidatedandNonconsolidatedEntities

duk:CommercialRenewables, us-gaap:VariableInterestEntityPrimaryBeneficiary



Period End2020-03-312019-12-31
Value287203
Percentage of PrepaidExpenseAndOtherAssetsCurrent28.726.6
Percentage of Assets0.20.1
Percentage of Assets duk:CommercialRenewables us-gaap:VariableInterestEntityPrimaryBeneficiary0.00.0

us-gaap:CounterpartyName, duk:InvestmentsbyConsolidatedandNonconsolidatedEntities, dei:LegalEntity

duk:DEFPF, us-gaap:VariableInterestEntityPrimaryBeneficiary, duk:DukeEnergyFlorida



Period End2020-03-312019-12-31
Value1339
Percentage of PrepaidExpenseAndOtherAssetsCurrent1.35.1
Percentage of Assets0.00.0
Percentage of Assets duk:DEFPF us-gaap:VariableInterestEntityPrimaryBeneficiary duk:DukeEnergyFlorida0.00.0

Noncurrent Assets

Property Plant And Equipment Gross

Accumulated Depreciation Depletion And Amortization Property Plant And Equipment

Property Plant And Equipment Net

us-gaap:PublicUtilitiesRegulatoryProceeding, dei:LegalEntity

us-gaap:PropertyPlantAndEquipmentNet

duk:HurricaneMichaelStormDamage, duk:DukeEnergyFlorida



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value106107858235
Percentage of PropertyPlantAndEquipmentNet100.0100.0100.0100.0100.0
Percentage of Assets0.10.10.10.10.0
Percentage of Assets duk:HurricaneMichaelStormDamage duk:DukeEnergyFlorida0.00.00.00.00.0

Long Term Investments

Investments In Affiliates Subsidiaries Associates And Joint Ventures

Goodwill

us-gaap:Goodwill



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1930319303193031930319303193031930319396193961939619418194251942519425163541635716349163431631216328163291632116331163431634216340163451634516371163651618038423853384938473868386238584350
Percentage of Goodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets12.112.212.412.612.813.313.513.814.014.114.214.414.514.612.613.313.413.513.513.813.413.513.614.214.414.214.314.314.414.414.46.16.26.26.36.56.56.57.6

dei:LegalEntity

duk:DukeEnergyOhio



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value9209209209209209209209209209209209209209209209209209209209209209209209209209209209209219219219219219219219219219211598
Percentage of Goodwill4.84.84.84.84.84.84.84.74.74.74.74.74.74.75.65.65.65.65.65.65.65.65.65.65.65.65.65.65.65.65.724.023.923.923.923.823.823.936.7
Percentage of Assets0.60.60.60.60.60.60.60.70.70.70.70.70.70.70.70.80.80.80.80.80.80.80.80.80.80.80.80.80.80.80.81.51.51.51.51.51.61.62.8
Percentage of Assets duk:DukeEnergyOhio9.89.910.010.310.110.811.111.411.711.711.812.112.112.212.412.612.913.013.013.19.49.29.19.69.68.58.68.78.78.78.88.48.48.48.68.68.68.413.9

us-gaap:StatementBusinessSegments

duk:ElectricUtilitiesandInfrastructure



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value173791737917379173791737917379173791737917379173791737917379173791737915656
Percentage of Goodwill90.090.090.090.090.090.090.089.689.689.689.589.589.589.595.8
Percentage of Assets10.910.911.111.311.512.012.112.412.512.612.712.913.013.112.9
Percentage of Assets duk:ElectricUtilitiesandInfrastructure0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

duk:GasUtilitiesandInfrastructure



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value19241924192419241924192419241924192419241924192419241924294
Percentage of Goodwill10.010.010.010.010.010.010.09.99.99.99.99.99.99.91.8
Percentage of Assets1.21.21.21.31.31.31.31.41.41.41.41.41.41.40.2
Percentage of Assets duk:GasUtilitiesandInfrastructure0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Intangible Assets Net Excluding Goodwill

Finite Lived Intangible Assets Net

Deferred Tax Assets Liabilities Net

Other Assets Noncurrent

us-gaap:OtherAssetsNoncurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value331532892905297529692935311230873062296027922826275427522948297230363042320532393207300832873227325135392361241224662399218618942103223122362233222423002526
Percentage of OtherAssetsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.12.11.91.92.02.02.22.22.22.12.02.12.12.12.32.42.52.52.62.72.62.52.72.82.93.12.12.12.22.12.03.03.43.63.73.73.83.94.4

dei:LegalEntity

duk:DukeEnergyCarolinas



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value113611491061108510271027100910361023979910929926940923916100399910181041996959975997994100084594894193480497197196810261066102911191130
Percentage of OtherAssetsNoncurrent34.334.936.536.534.635.032.433.633.433.132.632.933.634.231.330.833.032.831.832.131.131.929.730.930.628.335.839.338.238.936.851.346.243.445.947.746.348.744.7
Percentage of Assets0.70.70.70.70.70.70.70.70.70.70.70.70.70.70.70.70.80.80.80.90.80.80.80.90.90.90.70.80.80.80.71.51.61.51.71.81.71.92.0
Percentage of Assets duk:DukeEnergyCarolinas2.62.62.52.62.42.62.62.72.72.62.42.52.52.62.62.52.82.82.93.02.92.82.93.13.23.22.73.13.03.02.63.33.33.23.63.83.74.14.2

duk:DukeEnergyFlorida



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value329311307311318311315307301284293279268276292288301292308283270204261256252252176173176182
Percentage of OtherAssetsNoncurrent9.99.510.610.510.710.610.19.99.89.610.59.99.710.09.99.79.99.69.68.78.46.87.97.97.87.17.57.27.17.6
Percentage of Assets0.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.30.20.20.20.20.20.20.20.20.20.20.2
Percentage of Assets duk:DukeEnergyFlorida1.61.51.51.61.61.71.71.71.71.61.61.61.61.71.81.81.91.92.01.81.71.31.71.71.71.71.21.21.21.2

duk:DukeEnergyIndiana



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value214234211203201194233224234189170159156147250257251214218215269160124130122110111117113120126127126134
Percentage of OtherAssetsNoncurrent6.57.17.36.86.86.67.57.37.66.46.15.65.75.37.78.08.36.56.86.67.66.85.15.35.15.05.95.65.15.45.65.75.55.3
Percentage of Assets0.10.10.10.10.10.10.20.20.20.10.10.10.10.10.20.20.20.20.20.20.20.10.10.10.10.10.20.20.20.20.20.20.20.2
Percentage of Assets duk:DukeEnergyIndiana1.51.81.61.61.61.51.91.81.91.51.41.31.31.22.22.32.32.02.02.02.61.51.21.31.21.11.11.21.11.21.31.31.31.6

duk:DukeEnergyOhio



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value5652484645416263482127232321181620201716352320193423298805375626367585532656286
Percentage of OtherAssetsNoncurrent1.71.61.71.51.51.42.02.01.60.71.00.80.80.80.60.50.70.70.50.51.10.80.60.61.06.64.23.32.13.12.83.33.22.62.51.42.92.73.4
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.20.10.10.00.10.10.10.10.10.10.10.10.10.2
Percentage of Assets duk:DukeEnergyOhio0.60.60.50.50.50.50.70.80.60.30.30.30.30.30.20.20.30.30.20.20.40.20.20.20.42.20.90.80.50.70.60.60.60.50.50.30.60.60.7

duk:DukeEnergyProgress



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value682651595586627612653635641599565536535523518509521486484464450412475461459443297281269251
Percentage of OtherAssetsNoncurrent20.619.820.519.721.120.921.020.620.920.220.219.019.419.017.617.117.216.015.114.314.013.714.514.314.112.512.611.710.910.5
Percentage of Assets0.40.40.40.40.40.40.50.50.50.40.40.40.40.40.40.40.40.40.40.40.40.30.40.40.40.40.30.20.20.2
Percentage of Assets duk:DukeEnergyProgress2.12.01.81.82.02.02.22.22.32.22.12.02.02.02.02.02.12.02.02.02.01.82.32.42.42.31.61.51.51.4

duk:PiedmontNaturalGas



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value132121426051526565666511121921
Percentage of OtherAssetsNoncurrent4.03.71.42.01.71.82.12.12.22.20.40.40.70.8
Percentage of Assets0.10.10.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets duk:PiedmontNaturalGas1.71.60.60.80.70.81.01.01.11.00.20.20.30.4

duk:ProgressEnergy



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-31
Value1121104998998210299741019992990931909865851852865852876834850803777670792773767804531516531530504
Percentage of OtherAssetsNoncurrent33.831.934.033.034.733.232.732.132.331.532.630.630.931.029.328.728.927.426.524.824.222.324.124.023.622.722.521.421.522.122.6
Percentage of Assets0.70.70.60.60.70.70.70.70.70.70.70.60.60.60.70.70.70.70.70.70.60.60.70.70.70.70.50.50.50.50.8
Percentage of Assets duk:ProgressEnergy2.01.81.71.81.91.81.91.92.01.91.91.81.81.81.91.92.01.91.91.91.91.62.02.02.02.11.41.41.41.41.4

us-gaap:CounterpartyName

duk:VariableInterestEntity



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value8711063289280261
Percentage of OtherAssetsNoncurrent2.63.32.29.79.48.9
Percentage of Assets0.10.10.00.20.20.2
Percentage of Assets duk:VariableInterestEntity0.00.00.00.00.00.0

us-gaap:CounterpartyName, duk:InvestmentsbyConsolidatedandNonconsolidatedEntities

duk:CommercialRenewables, us-gaap:VariableInterestEntityPrimaryBeneficiary



Period End2020-03-312019-12-31
Value82106
Percentage of OtherAssetsNoncurrent2.53.2
Percentage of Assets0.10.1
Percentage of Assets duk:CommercialRenewables us-gaap:VariableInterestEntityPrimaryBeneficiary0.00.0

Liabilities Current

us-gaap:LiabilitiesCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1517014752133901344712282150411392212791129981248210820124661094111551120769906108911140010516964611903112338251870874928644923910015996510029855661394283552851154386419738974088
Percentage of LiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets9.59.38.68.88.110.39.79.19.49.17.99.28.28.79.38.18.99.48.78.19.79.36.97.66.67.58.18.88.88.87.69.76.98.88.47.37.16.67.2

dei:LegalEntity

duk:DukeEnergyCarolinas



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value251428842680329726812996352532492829365134053021250422922367194220252016220418801902207915911466144116111892166316511833180715601582261020501843206615721932
Percentage of LiabilitiesCurrent16.619.520.024.521.819.925.325.421.829.331.524.222.919.819.619.618.617.721.019.516.018.519.316.819.218.620.516.616.618.321.125.436.947.240.142.049.240.347.3
Percentage of Assets1.61.81.72.11.82.12.52.32.02.62.52.21.91.71.81.61.71.71.81.61.61.71.31.31.31.41.71.51.51.61.62.52.64.23.43.13.52.73.4
Percentage of Assets duk:DukeEnergyCarolinas5.76.56.27.86.47.59.08.47.49.79.18.26.86.36.65.45.65.76.25.45.56.24.74.64.65.26.05.45.36.05.85.25.48.77.16.67.55.77.2

duk:DukeEnergyFlorida



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value176918032436237819961642155313781802194219391732121116261456158321662091204019681957181410491070103912641304144913491528
Percentage of LiabilitiesCurrent11.712.218.217.716.310.911.210.813.915.617.913.911.114.112.116.019.918.319.420.416.416.112.712.313.914.614.114.513.515.2
Percentage of Assets1.11.11.61.51.31.11.11.01.31.41.41.30.91.21.11.31.81.71.71.71.61.50.90.90.91.11.11.31.21.3
Percentage of Assets duk:DukeEnergyFlorida8.68.812.112.010.38.78.37.410.110.710.89.97.09.88.99.913.613.413.112.712.711.76.87.27.18.68.89.89.010.1

duk:DukeEnergyIndiana



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value11861284131580175285587286575577266146953156554771110401123931793503575526535492484391429885998935564639796565520496516568
Percentage of LiabilitiesCurrent7.88.79.86.06.15.76.36.85.86.26.13.84.94.94.57.29.59.98.98.24.25.16.46.16.65.64.24.38.910.010.99.214.914.411.011.911.813.213.9
Percentage of Assets0.70.80.80.50.50.60.60.60.50.60.50.30.40.40.40.60.90.90.80.70.40.50.40.50.40.40.30.40.80.90.80.91.01.30.90.90.80.91.0
Percentage of Assets duk:DukeEnergyIndiana8.69.79.96.36.06.87.06.96.16.35.43.84.34.64.66.19.19.98.17.04.65.34.95.04.64.63.84.28.810.09.55.76.57.95.85.35.15.46.8

duk:DukeEnergyOhio



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value103110579349531273158013491260775728595551589671649575666823786670112514351575173016028076661184122711859291418123012341082583709748837
Percentage of LiabilitiesCurrent6.87.27.07.110.410.59.79.96.05.85.54.45.45.85.45.86.17.27.56.99.512.819.119.921.49.37.211.812.311.810.923.128.722.321.213.316.919.220.5
Percentage of Assets0.60.70.60.60.81.10.90.90.60.50.40.40.40.50.50.50.50.70.60.60.91.21.31.51.40.70.61.01.11.00.82.22.02.01.81.01.21.31.5
Percentage of Assets duk:DukeEnergyOhio11.011.310.210.713.918.516.315.69.89.27.77.27.78.98.87.99.411.611.19.511.514.415.618.116.87.56.211.211.611.28.912.911.211.310.25.46.66.87.3

duk:DukeEnergyProgress



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value300832302425182116993099284027682460180015842035201321861577132914191408154817321835215415751501110317211663173815101998
Percentage of LiabilitiesCurrent19.821.918.113.513.820.620.421.618.914.414.616.318.418.913.113.413.012.414.718.015.419.219.117.214.719.918.017.415.219.9
Percentage of Assets1.92.01.61.21.12.12.02.01.81.31.21.51.51.61.21.11.21.21.31.51.51.81.31.31.01.51.51.51.31.8
Percentage of Assets duk:DukeEnergyProgress9.19.77.45.75.310.39.69.78.86.55.87.67.68.36.15.35.75.76.27.68.29.67.57.75.79.19.09.38.311.1

duk:PiedmontNaturalGas



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value856899657393930999649542706874518475569730
Percentage of LiabilitiesCurrent5.66.14.92.97.66.64.74.25.47.04.83.85.26.3
Percentage of Assets0.50.60.40.30.60.70.50.40.50.60.40.40.40.5
Percentage of Assets duk:PiedmontNaturalGas10.911.68.95.513.514.710.18.511.414.18.68.19.612.3

duk:ProgressEnergy



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-31
Value7107680366215847531864095609524354034383411642923665426534823353404340814171459746174817339933563048404639524143385837874019
Percentage of LiabilitiesCurrent46.846.149.443.543.342.640.341.041.635.138.034.433.536.928.833.837.135.839.747.738.842.941.238.540.746.842.841.438.737.872.7
Percentage of Assets4.44.34.23.83.54.43.93.73.93.23.03.22.73.22.72.73.33.43.43.93.84.02.82.92.73.53.43.63.43.36.4
Percentage of Assets duk:ProgressEnergy12.411.811.710.59.712.210.710.310.88.88.48.97.79.17.67.59.19.29.410.811.011.58.58.88.010.710.611.010.310.111.5

Notes Payable Current

Long Term Debt Current

us-gaap:LongTermDebtCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value507731413096269825013406345528523951324424853472197723193201234220752074253623742800280711561887885210423072223332331102488187010671894152710081029275902
Percentage of LongTermDebtCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.22.02.01.81.72.32.42.02.92.41.82.61.51.72.51.91.71.72.12.02.32.31.01.60.81.82.01.92.92.72.23.01.73.02.51.71.70.51.6

Accounts Payable Current

us-gaap:AccountsPayableCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value236434872946251225383487323426862391304326452177220329942138222120862400207819201920227118011782189223911819193619852444191211601050143310801189130515871390
Percentage of AccountsPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.52.21.91.61.72.42.31.91.72.21.91.61.62.31.61.81.72.01.71.61.61.91.51.51.72.11.61.71.72.11.71.81.72.31.82.02.22.72.4

dei:LegalEntity

duk:DukeEnergyCarolinas



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value605954644640643988888809726842726639602833582565597753623494504709514510540701451487520599426448474793545484708856703
Percentage of AccountsPayableCurrent25.627.421.925.525.328.327.530.130.427.727.429.427.327.827.225.428.631.430.025.726.231.228.528.628.529.324.825.226.224.522.338.645.155.350.540.754.353.950.6
Percentage of Assets0.40.60.40.40.40.70.60.60.50.60.50.50.40.60.40.50.50.60.50.40.40.60.40.40.50.60.40.40.50.50.40.70.81.30.90.81.21.41.2
Percentage of Assets duk:DukeEnergyCarolinas1.42.21.51.51.52.52.32.11.92.21.91.71.62.31.61.61.72.11.81.41.52.11.51.61.72.21.41.61.72.01.41.51.62.71.91.72.63.12.6

duk:DukeEnergyFlorida



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value411474542403417511492440416602744372361413354390371322316346302365331345311333336392382412
Percentage of AccountsPayableCurrent17.413.618.416.016.414.715.216.417.419.828.117.116.413.816.617.617.813.415.218.015.716.118.419.416.413.918.520.219.216.9
Percentage of Assets0.30.30.30.30.30.40.30.30.30.40.50.30.30.30.30.30.30.30.30.30.20.30.30.30.30.30.30.30.30.4
Percentage of Assets duk:DukeEnergyFlorida2.02.32.72.02.22.72.62.42.33.34.12.12.12.52.22.42.32.12.02.22.02.42.22.32.12.32.32.72.52.7

duk:DukeEnergyIndiana



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value157201196224198200177171157196188171210263167146124189149165173179152129129206114134123173147209250273277319283314354
Percentage of AccountsPayableCurrent6.65.86.78.97.85.75.56.46.66.47.17.99.58.87.86.65.97.97.28.69.07.98.47.26.88.66.36.96.27.17.718.023.819.125.626.821.719.825.5
Percentage of Assets0.10.10.10.10.10.10.10.10.10.10.10.10.20.20.10.10.10.20.10.10.10.10.10.10.10.20.10.10.10.20.10.30.40.40.50.50.50.50.6
Percentage of Assets duk:DukeEnergyIndiana1.11.51.51.71.61.61.41.41.31.61.51.41.72.21.41.31.11.71.31.51.61.61.41.21.22.01.11.31.21.71.52.12.52.72.83.22.93.34.2

duk:DukeEnergyOhio



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value227288266257288316251267269313251267252282250218211207219193221209168166197319248265296318248363408402295373398467512
Percentage of AccountsPayableCurrent9.68.39.010.211.39.17.89.911.310.39.512.311.49.411.79.810.18.610.510.111.59.29.39.310.413.313.613.714.913.013.031.338.928.127.331.430.529.436.8
Percentage of Assets0.10.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.10.10.20.30.20.20.30.30.20.60.70.60.50.60.70.80.9
Percentage of Assets duk:DukeEnergyOhio2.43.12.92.93.13.73.03.33.44.03.23.53.33.73.43.03.02.93.12.72.32.11.71.72.13.02.32.52.83.02.43.33.73.72.83.53.74.24.4

duk:DukeEnergyProgress



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value319629550315363660808375342402271277317589319300295399381342363481305316344420399382373542
Percentage of AccountsPayableCurrent13.518.018.712.514.318.925.014.014.313.210.212.714.419.714.913.514.116.618.317.818.921.216.917.718.217.621.919.718.822.2
Percentage of Assets0.20.40.40.20.20.50.60.30.20.30.20.20.20.40.20.20.20.30.30.30.30.40.30.30.30.40.30.30.30.5
Percentage of Assets duk:DukeEnergyProgress1.01.91.71.01.12.22.71.31.21.41.01.01.22.21.21.21.21.61.51.51.62.11.51.61.82.22.22.12.03.0

duk:PiedmontNaturalGas



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value14521514015616120313113312812598105104155
Percentage of AccountsPayableCurrent6.16.24.86.26.35.84.15.05.44.13.74.84.75.2
Percentage of Assets0.10.10.10.10.10.10.10.10.10.10.10.10.10.1
Percentage of Assets duk:PiedmontNaturalGas1.82.81.92.22.33.02.02.12.12.01.61.81.82.6

duk:ProgressEnergy



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-31
Value73011041095720781117213018167601006101564967810036736906667226976896678476366606558367708138221066968
Percentage of AccountsPayableCurrent30.931.737.228.730.833.640.230.431.833.138.429.830.833.531.531.131.930.133.535.934.737.335.337.034.635.042.342.041.443.667.6
Percentage of Assets0.50.70.70.50.50.80.90.60.50.70.70.50.50.80.50.60.50.60.60.60.50.70.50.60.60.70.70.70.70.91.5
Percentage of Assets duk:ProgressEnergy1.31.91.91.31.42.22.51.61.52.02.11.41.42.21.51.51.51.61.61.61.62.01.61.71.72.22.12.22.22.82.8

Taxes Payable Current

us-gaap:TaxesPayableCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302011-12-31
Value493392712521470577674494422551627432363384636467394348628550508569704522423551706553425459601431
Percentage of TaxesPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.30.20.50.30.30.40.50.40.30.40.50.30.30.30.50.40.30.30.50.50.40.50.60.50.40.50.60.50.40.40.50.7

dei:LegalEntity

duk:DukeEnergyCarolinas



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302011-12-31
Value13246262209801711891588423436816290143198137762533522512914633425514414715610865114142126
Percentage of TaxesPayableCurrent26.811.736.840.117.029.628.032.019.942.558.737.524.837.231.129.319.37.253.340.925.425.747.448.934.026.722.119.515.324.823.629.2
Percentage of Assets0.10.00.20.10.10.10.10.10.10.20.30.10.10.10.20.10.10.00.30.20.10.10.30.20.10.10.10.10.10.10.10.2
Percentage of Assets duk:DukeEnergyCarolinas0.30.10.60.50.20.40.50.40.20.61.00.40.20.40.50.40.20.10.90.60.40.41.00.80.50.50.50.30.20.40.50.4

duk:DukeEnergyFlorida



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value74431751489474232115723414311262332091566213210813012665164173756620017512548
Percentage of TaxesPayableCurrent15.011.024.628.420.012.834.423.317.16.222.825.917.18.632.933.415.737.917.223.624.811.423.333.117.712.028.331.629.410.5
Percentage of Assets0.00.00.10.10.10.10.20.10.10.00.10.10.00.00.20.10.10.10.10.10.10.10.10.20.10.10.20.20.10.0
Percentage of Assets duk:DukeEnergyFlorida0.40.20.90.70.50.41.20.60.40.20.80.60.40.21.31.00.40.80.70.80.80.41.11.20.50.41.31.20.80.3

duk:DukeEnergyIndiana



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302011-12-31
Value81492925634344549495146287231484011989433367545113814057665280615874
Percentage of TaxesPayableCurrent16.412.54.14.813.47.56.510.922.317.223.36.519.88.17.58.630.225.66.86.013.29.57.226.433.110.39.39.418.813.39.717.2
Percentage of Assets0.10.00.00.00.00.00.00.00.10.10.10.00.10.00.00.00.10.10.00.00.10.00.00.10.10.00.10.00.10.10.10.1
Percentage of Assets duk:DukeEnergyIndiana0.60.40.20.20.50.30.40.40.80.81.20.20.60.30.40.31.00.80.40.30.60.50.51.31.30.50.60.50.80.60.60.7

duk:DukeEnergyOhio



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302011-12-31
Value17021916213515720215912714519015710012717816310814117113111718116318897133167136114124159131180
Percentage of TaxesPayableCurrent34.555.922.825.933.435.023.625.734.434.525.023.135.046.425.623.135.849.120.921.335.628.626.718.631.430.319.320.629.234.621.841.8
Percentage of Assets0.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.20.10.10.10.10.10.10.10.10.3
Percentage of Assets duk:DukeEnergyOhio1.82.31.81.51.72.41.91.61.82.42.01.31.72.42.21.52.02.41.81.71.81.61.91.01.41.61.31.11.21.51.21.6

duk:DukeEnergyProgress



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value431710110649539290366413761351049171331583113614714948373786635523
Percentage of TaxesPayableCurrent8.74.314.220.310.49.213.618.28.511.621.914.19.627.114.315.28.44.313.220.512.08.321.29.28.76.712.211.412.95.0
Percentage of Assets0.00.00.10.10.00.00.10.10.00.00.10.00.00.10.10.10.00.00.10.10.00.00.10.00.00.00.10.10.00.0
Percentage of Assets duk:DukeEnergyProgress0.10.10.30.30.20.20.30.30.10.20.50.20.10.40.40.30.10.10.30.50.30.20.70.20.20.20.50.30.30.1

duk:PiedmontNaturalGas



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value3624332335843123651930216967
Percentage of TaxesPayableCurrent7.36.14.64.47.414.64.64.715.43.44.84.919.017.4
Percentage of Assets0.00.00.00.00.00.10.00.00.00.00.00.00.10.1
Percentage of Assets duk:PiedmontNaturalGas0.50.30.40.30.51.20.50.41.10.30.50.41.21.1

duk:ProgressEnergy



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-31
Value11746271191135109244181109101227165968322816295531922091611143171481021052462081558356
Percentage of TaxesPayableCurrent23.711.738.136.728.718.936.236.625.818.336.238.226.421.635.834.724.115.230.638.031.720.045.028.424.119.134.837.636.518.113.0
Percentage of Assets0.10.00.20.10.10.10.20.10.10.10.20.10.10.10.20.10.10.00.20.20.10.10.30.10.10.10.20.20.10.10.1
Percentage of Assets duk:ProgressEnergy0.20.10.50.30.20.20.50.40.20.20.50.30.20.20.50.40.20.10.40.50.40.30.80.40.30.30.70.60.40.20.2

Accrued Income Taxes Current

us-gaap:RelatedPartyTransactionsByRelatedParty, dei:LegalEntity

us-gaap:AccruedIncomeTaxesCurrent

srt:AffiliatedEntity, duk:DukeEnergyCarolinas



Period End2020-03-312019-12-312019-09-302019-06-30
Value4457176
Percentage of AccruedIncomeTaxesCurrent100.0100.0100.0100.0
Percentage of Assets0.00.00.00.0
Percentage of Assets srt:AffiliatedEntity duk:DukeEnergyCarolinas0.00.00.00.0

srt:AffiliatedEntity, duk:DukeEnergyIndiana



Period End2020-03-312019-06-30
Value61
Percentage of AccruedIncomeTaxesCurrent13.61.3
Percentage of Assets0.00.0
Percentage of Assets srt:AffiliatedEntity duk:DukeEnergyIndiana0.00.0

srt:AffiliatedEntity, duk:PiedmontNaturalGas



Period End2020-03-312018-12-31
Value1045
Percentage of AccruedIncomeTaxesCurrent22.70.0
Percentage of Assets0.00.0
Percentage of Assets srt:AffiliatedEntity duk:PiedmontNaturalGas0.00.0

Other Liabilities Current

us-gaap:OtherLiabilitiesCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value20042367207420201810208517031699154218651734170815702044172817841965211520521976201421881868178616122003233030262068251122061434105410911046127993911701146
Percentage of OtherLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.31.51.31.31.21.41.21.21.11.41.31.31.21.51.31.51.61.71.71.71.61.81.61.61.41.72.02.71.82.22.02.31.71.71.72.11.62.02.0

dei:LegalEntity

duk:DukeEnergyCarolinas



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value479611545499415571419412369486435409345468417400452519415379398434399368348393461441409490519481470398468404403485478
Percentage of OtherLiabilitiesCurrent23.925.826.324.722.927.424.624.223.926.125.123.922.022.924.122.423.024.520.219.219.819.821.420.621.619.619.814.619.819.523.533.544.636.544.731.642.941.541.7
Percentage of Assets0.30.40.30.30.30.40.30.30.30.40.30.30.30.40.30.30.40.40.30.30.30.40.30.30.30.30.40.40.40.40.50.80.80.60.80.70.70.80.8
Percentage of Assets duk:DukeEnergyCarolinas1.11.41.31.21.01.41.11.11.01.31.21.10.91.31.21.11.21.51.21.11.21.31.21.21.11.31.51.41.31.61.71.61.61.31.61.41.51.81.8

duk:DukeEnergyFlorida



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value383415423461426406315357299334310322309352367361451452553543577586370405406445667774461534
Percentage of OtherLiabilitiesCurrent19.117.520.422.823.519.518.521.019.417.917.918.919.717.221.220.223.021.426.927.528.626.819.822.725.222.228.625.622.321.3
Percentage of Assets0.20.30.30.30.30.30.20.30.20.20.20.20.20.30.30.30.40.40.50.50.50.50.30.40.40.40.60.70.40.5
Percentage of Assets duk:DukeEnergyFlorida1.92.02.12.32.22.21.71.91.71.81.71.81.82.12.22.32.82.93.53.53.73.82.42.72.83.04.55.23.13.5

duk:DukeEnergyIndiana



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value9211210712092107109123831041111227593951017897899088981161258488101136146165170132929390928599123
Percentage of OtherLiabilitiesCurrent4.64.75.25.95.15.16.47.25.45.66.47.14.84.55.55.74.04.64.34.64.44.56.27.05.24.44.34.57.16.67.79.28.78.58.67.29.18.510.7
Percentage of Assets0.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.20.20.10.10.10.20.10.20.2
Percentage of Assets duk:DukeEnergyIndiana0.70.80.80.90.70.90.91.00.70.80.91.00.60.80.80.90.70.90.80.80.80.91.11.20.80.81.01.31.51.61.71.30.90.90.90.90.91.01.5

duk:DukeEnergyOhio



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value687574766974677166717477839184821511531511546466797872110114123117126105117127122927911099128
Percentage of OtherLiabilitiesCurrent3.43.23.63.83.83.53.94.24.33.84.34.55.34.54.94.67.77.27.47.83.23.04.24.44.55.54.94.15.75.04.88.212.011.28.86.211.78.511.2
Percentage of Assets0.00.00.00.00.00.10.00.10.00.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.20.20.20.20.10.20.20.2
Percentage of Assets duk:DukeEnergyOhio0.70.80.80.90.80.90.80.90.80.91.01.01.11.21.11.12.12.22.12.20.70.70.80.80.81.01.11.21.11.21.01.11.21.10.90.71.00.91.1

duk:DukeEnergyProgress



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value429478416395346408353344324376318308294365326314382412375349359409344329329392440451407517
Percentage of OtherLiabilitiesCurrent21.420.220.119.619.119.620.720.221.020.218.318.018.717.918.917.619.419.518.317.717.818.718.418.420.419.618.914.919.720.6
Percentage of Assets0.30.30.30.30.20.30.20.20.20.30.20.20.20.30.30.30.30.30.30.30.30.30.30.30.30.30.40.40.40.5
Percentage of Assets duk:DukeEnergyProgress1.31.41.31.21.11.41.21.21.21.41.21.11.11.41.31.31.51.71.51.51.61.81.61.71.72.12.42.42.22.9

duk:PiedmontNaturalGas



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value54676362495851535569726770102
Percentage of OtherLiabilitiesCurrent2.72.83.03.12.72.83.03.13.63.74.23.94.55.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.10.10.00.10.1
Percentage of Assets duk:PiedmontNaturalGas0.70.90.90.90.70.90.80.80.91.11.21.11.21.7

duk:ProgressEnergy



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-31
Value82190285086377882167271163772965266062774572170286189195491896110217437497478961177128592411181163
Percentage of OtherLiabilitiesCurrent41.038.141.042.743.039.439.541.841.339.137.638.639.936.441.739.343.842.146.546.547.746.739.841.946.344.750.542.544.744.5106.6
Percentage of Assets0.50.60.50.60.50.60.50.50.50.50.50.50.50.60.60.60.70.70.80.80.80.80.60.70.70.81.01.10.81.01.9
Percentage of Assets duk:ProgressEnergy1.41.61.51.61.41.61.31.41.31.51.31.41.31.61.61.61.92.02.12.22.32.41.82.02.02.43.13.42.53.03.3

duk:InvestmentsbyConsolidatedandNonconsolidatedEntities

us-gaap:VariableInterestEntityNotPrimaryBeneficiary



Period End2020-03-312019-12-31
Value34
Percentage of OtherLiabilitiesCurrent0.10.2
Percentage of Assets0.00.0
Percentage of Assets us-gaap:VariableInterestEntityNotPrimaryBeneficiary0.00.0

us-gaap:CounterpartyName, duk:InvestmentsbyConsolidatedandNonconsolidatedEntities

duk:OtherVies, us-gaap:VariableInterestEntityNotPrimaryBeneficiary



Period End2020-03-312019-12-31
Value34
Percentage of OtherLiabilitiesCurrent0.10.2
Percentage of Assets0.00.0
Percentage of Assets duk:OtherVies us-gaap:VariableInterestEntityNotPrimaryBeneficiary0.00.0

us-gaap:CounterpartyName, duk:InvestmentsbyConsolidatedandNonconsolidatedEntities, dei:LegalEntity

duk:DEFPF, us-gaap:VariableInterestEntityPrimaryBeneficiary, duk:DukeEnergyFlorida



Period End2020-03-312019-12-31
Value210
Percentage of OtherLiabilitiesCurrent0.10.4
Percentage of Assets0.00.0
Percentage of Assets duk:DEFPF us-gaap:VariableInterestEntityPrimaryBeneficiary duk:DukeEnergyFlorida0.00.0

Liabilities Noncurrent

Long Term Debt

us-gaap:LongTermDebt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-312010-12-31
Value6138858126579145704056182545295396252715529815227951414495154899847895471654227340307395694020339169399734002039858405933988540256397093958239662394612057318210
Percentage of LongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets38.436.637.137.237.237.537.737.638.237.937.736.736.536.136.434.533.132.733.233.032.733.233.335.235.135.134.734.734.934.732.930.8

dei:LegalEntity

duk:DukeEnergyCarolinas



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-31
Value12807119001175810964109651093910395103941069410103952595249491960393609360936083678884888588858391839484358436843687398740874087419274
Percentage of LongTermDebt20.920.520.319.219.520.119.319.720.219.318.519.219.420.119.822.123.221.122.122.722.221.021.120.821.221.022.022.122.022.245.1
Percentage of Assets8.07.57.57.17.37.57.37.47.77.37.07.17.17.27.27.67.76.97.37.57.37.07.07.37.47.37.67.77.77.714.8
Percentage of Assets duk:DukeEnergyCarolinas29.127.027.325.826.127.426.426.928.126.825.625.825.926.326.026.025.923.625.125.425.724.824.726.626.927.027.728.228.328.531.0

duk:DukeEnergyFlorida



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value770679877132721372657321737174527015709566966979698161256128554042654266485048554858486051025107511048864887489248945320
Percentage of LongTermDebt12.613.712.312.612.913.413.714.113.213.613.014.114.212.813.013.110.610.812.112.412.212.112.812.612.812.112.312.412.313.5
Percentage of Assets4.85.04.64.74.85.05.15.35.15.14.95.25.24.64.74.53.53.54.04.14.04.04.34.44.54.34.34.34.34.7
Percentage of Assets duk:DukeEnergyFlorida37.739.035.536.537.538.939.340.239.139.337.339.840.436.937.434.526.927.331.131.231.531.333.334.334.733.132.933.132.735.0

duk:DukeEnergyIndiana



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-31
Value4603405742083723372237823783378237823783378537843784378637873937376837683790379137913791379537953796379637983701370237023459
Percentage of LongTermDebt7.57.07.36.56.66.97.07.27.17.27.47.67.77.98.09.39.39.59.49.79.59.59.59.39.59.49.69.49.39.416.8
Percentage of Assets2.92.62.72.42.52.62.62.72.72.72.82.82.82.92.93.23.13.13.13.23.13.13.23.33.33.33.33.23.33.35.5
Percentage of Assets duk:DukeEnergyIndiana33.330.631.729.129.530.230.230.130.630.830.930.930.931.131.634.033.033.133.033.534.434.735.535.635.736.036.736.636.837.034.4

duk:DukeEnergyOhio



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-31
Value2620261927192509296021652066206620672067206719771977188418871887164215981605160516061766178317842187218821881742199419972555
Percentage of LongTermDebt4.34.54.74.45.34.03.83.93.94.04.04.04.03.94.04.54.14.04.04.14.04.44.54.45.55.45.54.45.05.112.4
Percentage of Assets1.61.61.71.62.01.51.41.51.51.51.51.51.51.41.51.51.31.31.31.41.31.51.51.51.91.91.91.51.81.84.1
Percentage of Assets duk:DukeEnergyOhio27.928.029.628.232.425.324.925.526.226.226.626.026.025.025.525.823.122.522.722.916.417.717.718.622.920.320.516.418.818.923.4

duk:DukeEnergyProgress



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value905990589049904990488204815473587357735775576760676170117011656565656518685156575957620157165717571752354936533653364840
Percentage of LongTermDebt14.815.615.615.916.115.015.114.013.914.114.713.713.814.614.915.516.316.517.014.414.915.514.314.114.313.012.413.513.512.3
Percentage of Assets5.75.75.85.96.05.65.75.25.35.35.55.05.05.35.45.45.45.45.74.84.95.14.85.05.04.64.34.74.74.3
Percentage of Assets duk:DukeEnergyProgress27.527.127.828.228.327.327.525.726.226.527.725.225.526.627.126.226.426.227.624.926.627.727.229.329.627.726.628.729.226.8

duk:PiedmontNaturalGas



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value23852384238423842138213821382037203720372036194618211821
Percentage of LongTermDebt3.94.14.14.23.83.94.03.93.83.94.03.93.73.8
Percentage of Assets1.51.51.51.61.41.51.51.51.51.51.51.41.41.4
Percentage of Assets duk:PiedmontNaturalGas30.430.732.333.631.031.433.232.133.032.834.033.430.830.6

duk:ProgressEnergy



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-31
Value19355196341911919199192511891118912181941775717837176371814518148175411652015486142101446415396142061451014754145121451815046141151381514220142241442813152
Percentage of LongTermDebt31.533.833.033.734.334.735.034.533.534.134.336.637.036.635.036.635.336.638.336.336.336.936.435.837.735.134.835.935.936.663.9
Percentage of Assets12.112.412.312.512.713.013.213.012.812.912.913.413.513.212.712.611.711.912.712.011.912.212.112.613.212.312.112.512.512.721.0
Percentage of Assets duk:ProgressEnergy33.834.033.834.534.935.936.235.735.735.936.037.838.337.635.934.531.832.534.633.534.635.136.137.939.637.236.937.938.138.637.7

Long Term Debt Noncurrent

us-gaap:LongTermDebtNoncurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value563115498554818543425368151123505074986349030490354892946043470214557643964399313823237495376673679537173372133870238706390003815236137361003508435499351981753918081177301662516765162541695915732
Percentage of LongTermDebtNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets35.234.635.235.435.535.235.335.635.435.635.934.135.134.333.932.631.430.931.131.030.430.832.333.634.333.231.531.630.931.231.427.829.328.427.428.027.628.727.6

dei:LegalEntity

duk:DukeEnergyCarolinas



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value120501114211001102081065810633958995899589859885208520878791878592859285927711807880798079758480878088808980897692773477347735813977957796779672167211671274626857
Percentage of LongTermDebtNoncurrent21.420.320.118.819.920.819.019.219.617.517.418.518.720.219.521.522.520.621.422.021.720.420.920.920.721.221.321.422.021.823.144.443.144.043.443.041.344.043.6
Percentage of Assets7.57.07.16.77.17.36.76.86.96.26.26.36.66.96.67.07.16.46.76.86.66.36.87.07.17.06.76.86.86.87.312.412.612.511.912.111.412.612.0
Percentage of Assets duk:DukeEnergyCarolinas27.425.325.624.025.426.624.424.825.222.822.923.124.025.223.923.923.721.822.823.123.422.423.825.525.825.924.424.925.025.226.326.226.626.125.025.624.427.225.7

duk:DukeEnergyFlorida



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value738474166511654267957051710271836247632761296160666257995802549242524253428742934296429850905095509948754876488148844885
Percentage of LongTermDebtNoncurrent13.113.511.912.012.713.814.114.412.712.912.513.414.212.713.213.811.111.311.411.711.611.513.213.213.112.813.513.513.913.8
Percentage of Assets4.64.74.24.34.54.85.05.14.54.64.54.65.04.44.54.53.53.53.53.63.53.64.34.44.54.24.34.34.34.3
Percentage of Assets duk:DukeEnergyFlorida36.136.332.533.135.137.537.938.734.835.034.135.138.634.935.434.226.827.227.527.627.827.733.234.334.633.032.833.032.632.2

duk:DukeEnergyIndiana



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value395034043407357035693569357135703570363036323631363136333566356630713071316033113636363636403640364136413644354631473147315037023702345334563458345934613086
Percentage of LongTermDebtNoncurrent7.06.26.26.66.67.07.17.27.37.47.47.97.78.08.18.98.08.28.49.09.89.89.49.49.39.510.19.89.08.98.921.120.519.520.820.621.320.419.6
Percentage of Assets2.52.12.22.32.42.52.52.52.62.62.72.72.72.72.72.92.52.52.62.83.03.03.03.23.23.23.23.12.82.82.85.96.05.55.75.85.95.95.4
Percentage of Assets duk:DukeEnergyIndiana28.525.625.727.928.228.528.528.428.829.529.629.729.629.929.830.826.926.927.629.233.033.234.134.134.334.535.335.031.331.432.137.237.534.335.435.235.835.936.7

duk:DukeEnergyOhio



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value259525942594238423841589158915892039203920421951195118581808180815621467152415241525158415861587158821412183173417351736178517942046204820512555255525572573
Percentage of LongTermDebtNoncurrent4.64.74.74.44.43.13.13.24.24.24.24.24.14.14.14.54.13.94.04.14.14.34.14.14.15.66.04.84.94.95.110.211.311.612.315.215.715.116.4
Percentage of Assets1.61.61.71.61.61.11.11.11.51.51.51.41.51.41.41.51.31.21.31.31.21.31.31.41.41.91.91.51.51.51.62.83.33.33.44.34.34.34.5
Percentage of Assets duk:DukeEnergyOhio27.627.828.226.826.118.619.219.625.825.926.325.725.624.724.424.822.020.721.521.715.615.815.716.616.719.920.516.316.416.417.016.318.718.719.223.823.723.222.4

duk:DukeEnergyProgress



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value790379028593889388937451740166056604720472046407640964096609616361636366644952555255525654105411571150614929492949294433
Percentage of LongTermDebtNoncurrent14.014.415.716.416.614.614.713.213.514.714.713.913.614.115.015.416.117.017.114.314.114.114.014.014.613.313.613.714.012.5
Percentage of Assets4.95.05.55.85.95.15.24.74.85.25.34.74.84.85.15.05.15.35.34.44.34.44.54.75.04.44.34.34.33.9
Percentage of Assets duk:DukeEnergyProgress24.023.726.427.727.824.824.923.123.625.926.423.924.224.325.624.624.725.626.023.123.523.525.827.729.626.826.626.527.024.5

duk:PiedmontNaturalGas



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value23852384238423841788178817881787178717872036191117861786
Percentage of LongTermDebtNoncurrent4.24.34.34.43.33.53.53.63.63.64.24.23.83.9
Percentage of Assets1.51.51.51.61.21.21.21.31.31.31.51.41.31.3
Percentage of Assets duk:PiedmontNaturalGas30.430.732.333.625.926.327.828.228.928.734.032.830.230.0

duk:ProgressEnergy



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-31
Value17377179071769318023182761708917440167231578716916167171595016454155901579215036137951399914131129421294613247141941420014503136301349813503135061331111918
Percentage of LongTermDebtNoncurrent30.932.632.333.234.033.434.533.532.234.534.234.635.034.235.937.736.137.337.535.234.835.636.736.737.235.737.437.438.537.567.2
Percentage of Assets10.911.311.311.712.111.812.211.911.412.312.311.812.311.712.212.311.311.611.710.910.611.011.912.312.711.911.811.811.911.719.1
Percentage of Assets duk:ProgressEnergy30.331.031.332.433.232.433.432.831.734.034.133.234.733.434.433.530.931.431.730.530.931.535.337.138.235.936.136.036.235.634.1

us-gaap:CounterpartyName

duk:VariableInterestEntity



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value39663997406040704065399840154179427543064219401841083587364133832197
Percentage of LongTermDebtNoncurrent7.07.37.47.57.67.87.98.48.78.88.68.78.77.98.38.55.9
Percentage of Assets2.52.52.62.72.72.72.83.03.13.13.13.03.12.72.82.81.8
Percentage of Assets duk:VariableInterestEntity0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CounterpartyName, dei:LegalEntity

duk:VariableInterestEntity, duk:DukeEnergyFlorida



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value12781307130613321336
Percentage of LongTermDebtNoncurrent2.32.42.42.52.6
Percentage of Assets0.80.80.80.90.9
Percentage of Assets duk:VariableInterestEntity duk:DukeEnergyFlorida0.00.00.00.00.0

duk:VariableInterestEntity, duk:ProgressEnergy



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value16031632163116571636
Percentage of LongTermDebtNoncurrent2.83.03.03.03.2
Percentage of Assets1.01.01.01.11.1
Percentage of Assets duk:VariableInterestEntity duk:ProgressEnergy0.00.00.00.00.0

us-gaap:CounterpartyName, duk:InvestmentsbyConsolidatedandNonconsolidatedEntities

duk:CommercialRenewables, us-gaap:VariableInterestEntityPrimaryBeneficiary



Period End2020-03-312019-12-31
Value15381541
Percentage of LongTermDebtNoncurrent2.72.8
Percentage of Assets1.01.0
Percentage of Assets duk:CommercialRenewables us-gaap:VariableInterestEntityPrimaryBeneficiary0.00.0

us-gaap:CounterpartyName, duk:InvestmentsbyConsolidatedandNonconsolidatedEntities, dei:LegalEntity

duk:DEFPF, us-gaap:VariableInterestEntityPrimaryBeneficiary, duk:DukeEnergyFlorida



Period End2020-03-312019-12-31
Value10281057
Percentage of LongTermDebtNoncurrent1.81.9
Percentage of Assets0.60.7
Percentage of Assets duk:DEFPF us-gaap:VariableInterestEntityPrimaryBeneficiary duk:DukeEnergyFlorida0.00.0

duk:DERF, us-gaap:VariableInterestEntityPrimaryBeneficiary, duk:DukeEnergyCarolinas



Period End2020-03-312019-12-31
Value475474
Percentage of LongTermDebtNoncurrent0.80.9
Percentage of Assets0.30.3
Percentage of Assets duk:DERF us-gaap:VariableInterestEntityPrimaryBeneficiary duk:DukeEnergyCarolinas0.00.0

Deferred Tax Liabilities Noncurrent

Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-31
Value9199349009599749881001101410181103110511081115111110301044107710881130115211701145123112631270132217432373238025202542829846856944
Percentage of PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.60.60.60.60.60.70.70.70.70.80.80.80.80.80.80.90.90.90.91.01.00.91.01.11.11.21.52.12.12.22.31.31.41.41.6

dei:LegalEntity

duk:DukeEnergyCarolinas



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value82848890979997999595108103103979396105107107109109111149157158161211212215221226232241248237242243242
Percentage of PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent8.99.09.89.410.010.09.79.89.38.69.89.39.28.79.09.29.79.89.59.59.39.712.112.412.412.212.18.99.08.88.928.028.529.00.00.00.025.6
Percentage of Assets0.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.20.20.20.20.20.40.40.40.40.40.40.4
Percentage of Assets duk:DukeEnergyCarolinas0.20.20.20.20.20.20.20.30.20.30.30.30.30.30.30.30.30.30.30.30.30.30.40.50.50.50.70.70.70.70.70.80.80.80.80.90.90.9

duk:DukeEnergyFlorida



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value214218196248251254241243248264257258261262237238240242249252254221277283284286475610612610
Percentage of PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent23.323.321.825.925.825.724.124.024.423.923.323.323.423.623.022.822.322.222.021.921.719.322.522.422.421.627.325.725.724.2
Percentage of Assets0.10.10.10.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.40.50.50.5
Percentage of Assets duk:DukeEnergyFlorida1.01.11.01.31.31.41.31.31.41.51.41.51.51.61.41.51.51.51.61.61.61.41.81.91.91.93.24.14.14.0

duk:DukeEnergyIndiana



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value14814815714211311511011111076787777717274788083828182104106107163182183185186152154159161261265267270314
Percentage of PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent16.115.817.414.811.611.611.010.910.86.97.16.96.96.47.07.17.27.47.37.16.97.28.48.48.412.310.47.77.87.46.018.618.818.80.00.00.028.60.0
Percentage of Assets0.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.20.20.20.20.10.20.30.30.40.40.50.50.6
Percentage of Assets duk:DukeEnergyIndiana1.11.11.21.10.90.90.90.90.90.60.60.60.60.60.60.60.70.70.70.70.70.71.01.01.01.51.81.81.81.91.51.51.61.62.72.72.82.83.7

duk:DukeEnergyOhio



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1011001039480798483815952565656515255565256484829313258144154155157140142145147188209208207249
Percentage of PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent11.010.711.49.88.28.08.48.28.05.34.75.15.05.05.05.05.15.14.64.94.14.22.42.52.54.48.36.56.56.25.517.117.117.20.00.00.021.90.0
Percentage of Assets0.10.10.10.10.10.10.10.10.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.10.10.10.10.10.10.20.20.20.30.30.40.40.4
Percentage of Assets duk:DukeEnergyOhio1.11.11.11.10.90.91.01.01.00.70.70.70.70.70.70.70.80.80.70.80.50.50.30.30.30.51.41.51.51.51.31.31.31.31.81.91.91.92.2

duk:DukeEnergyProgress



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value235238230232235237240243246248246246247252247249261262277281287290311315316321325729723715
Percentage of PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent25.625.525.624.224.124.024.024.024.222.522.322.222.222.724.023.924.224.124.524.424.525.325.324.924.924.318.630.730.428.4
Percentage of Assets0.10.10.10.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.30.30.30.30.30.60.60.6
Percentage of Assets duk:DukeEnergyProgress0.70.70.70.70.70.80.80.80.90.90.90.90.91.01.01.01.01.11.11.21.31.31.51.61.61.71.83.94.04.0

duk:PiedmontNaturalGas



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value736644334514141414
Percentage of PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent0.80.30.70.60.40.40.30.30.40.51.31.31.31.3
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets duk:PiedmontNaturalGas0.10.00.10.10.10.10.00.00.10.10.20.20.20.2

duk:ProgressEnergy



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-31
Value4804884555095165215135195275455355375405475165195335365455535615336216316337659941608161016081625
Percentage of PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent52.252.250.653.153.052.751.251.251.849.448.448.548.449.250.149.749.549.348.248.047.946.650.450.049.857.957.067.867.663.8189.8
Percentage of Assets0.30.30.30.30.30.40.40.40.40.40.40.40.40.40.40.40.40.40.50.50.50.40.50.50.60.70.91.41.41.42.6
Percentage of Assets duk:ProgressEnergy0.80.80.80.90.91.01.01.01.11.11.11.11.11.21.11.21.21.21.21.31.31.31.51.61.72.02.74.34.34.34.7

Minority Interest

us-gaap:MinorityInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1162112996911915171886-21110785753494436373624417880787269777890979793105119122131136
Percentage of MinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.70.70.60.10.00.00.00.00.0-0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.10.10.10.10.10.10.10.10.20.20.10.20.20.20.20.2

dei:LegalEntity

duk:ProgressEnergy



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-31
Value3332232-1-3-6-8-10-13-16-18-20-22-25-27-26-32-3132443244
Percentage of MinorityInterest0.30.30.31.713.317.611.1-16.7150.0-54.5-80.0-142.9-162.5-28.1-34.0-40.8-50.0-69.4-73.0-72.2-133.3-75.63.82.55.15.64.32.65.14.3
Percentage of Assets0.00.00.00.00.00.00.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.00.00.00.00.00.00.00.00.0
Percentage of Assets duk:ProgressEnergy0.00.00.00.00.00.00.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.1-0.1-0.1-0.1-0.10.00.00.00.00.00.00.00.0

Other Liabilities Noncurrent

Stockholders Equity

us-gaap:StockholdersEquity



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-10-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value469214682246438452134503043817429954250741792417394163141284411794103340489398953989239727-1398323958041051408754141240803407094133041165401324095340863409052241922781227722279422583227342252221750
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets29.329.529.829.529.830.130.030.330.230.330.530.630.730.931.232.532.832.80.032.933.433.633.934.635.435.836.035.935.236.035.936.535.636.936.437.537.838.538.138.1

dei:LegalEntity

duk:DukeEnergyOhio



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value3748368336353561351434453390329031383163309830433038299629392841284327844674516652735259521451675136528652525464544552706027589866706534
Percentage of StockholdersEquity8.07.97.87.97.87.97.97.77.57.67.47.47.47.37.37.17.17.011.412.612.923.522.922.722.523.423.124.30.00.00.027.10.00.0
Percentage of Assets2.32.32.32.32.32.42.42.32.32.32.32.32.32.32.32.32.32.33.94.54.78.38.48.38.58.88.99.20.00.00.010.30.00.0
Percentage of Assets duk:DukeEnergyOhio39.939.439.640.138.440.340.940.639.740.239.940.039.939.839.738.940.039.246.748.950.247.947.647.248.249.348.849.60.00.00.051.20.00.0

duk:PiedmontNaturalGas



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-10-312016-09-302016-06-302016-03-312015-12-312015-10-312014-10-31
Value262024432338235622132091204320641772166215991610176716721645158715211541145814261309
Percentage of StockholdersEquity5.65.25.05.24.94.84.84.94.24.03.83.94.34.10.03.93.83.93.7-142600.00.0
Percentage of Assets1.61.51.51.51.51.41.41.51.31.21.21.21.31.30.01.21.21.31.20.00.0
Percentage of Assets duk:PiedmontNaturalGas33.331.531.633.232.130.731.732.528.726.726.727.629.928.10.00.00.00.00.00.00.0

duk:ProgressEnergy



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-31
Value15874155901536014837145061425414128139721370413468130231230512022118201273912711130871287512754116811146411208110631073010525108601066310318103331018110021
Percentage of StockholdersEquity33.833.333.132.832.232.532.932.932.832.331.329.829.228.831.531.932.832.432.029.527.927.426.726.325.926.325.925.725.224.944.0
Percentage of Assets9.99.89.99.79.69.89.910.09.99.89.69.19.08.99.810.410.810.610.59.99.49.39.29.39.29.59.39.09.18.916.0
Percentage of Assets duk:ProgressEnergy27.727.027.226.726.327.127.027.427.527.126.625.625.425.327.728.329.328.928.627.527.326.727.528.027.728.628.527.527.727.228.7

us-gaap:StatementEquityComponents, dei:LegalEntity

us-gaap:AdditionalPaidInCapital, duk:DukeEnergyOhio



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312012-09-302012-06-302011-12-312011-09-302011-06-302010-12-31
Value27762776277627762776277627762776267026702695505750575085508552855570
Percentage of StockholdersEquity5.95.96.06.16.26.36.56.56.46.46.612.422.622.322.323.424.7
Percentage of Assets1.71.71.81.81.81.91.92.01.91.92.04.58.08.18.48.89.4
Percentage of Assets us-gaap:AdditionalPaidInCapital duk:DukeEnergyOhio0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock, duk:PiedmontNaturalGas



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value13101310131013101160116011601160860860860
Percentage of StockholdersEquity2.82.82.82.92.62.62.72.72.12.12.1
Percentage of Assets0.80.80.80.90.80.80.80.80.60.60.6
Percentage of Assets us-gaap:CommonStock duk:PiedmontNaturalGas0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings, duk:DukeEnergyOhio



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value2101459723-24-93-148-248-294-269-461
Percentage of StockholdersEquity0.40.30.20.1-0.1-0.2-0.3-0.6-0.7-0.6-1.1
Percentage of Assets0.10.10.10.0-0.0-0.1-0.1-0.2-0.2-0.2-0.3
Percentage of Assets us-gaap:RetainedEarnings duk:DukeEnergyOhio0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings, duk:PiedmontNaturalGas



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value13101133102810461053931883904912802812
Percentage of StockholdersEquity2.82.42.22.32.32.12.12.12.21.92.0
Percentage of Assets0.80.70.70.70.70.60.60.60.70.60.6
Percentage of Assets us-gaap:RetainedEarnings duk:PiedmontNaturalGas0.00.00.00.00.00.00.00.00.00.00.0

Common Stock Value

dei:LegalEntity

us-gaap:CommonStockValue

duk:PiedmontNaturalGas



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value13101310131013101160116011601160860860860860860860
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.80.80.80.90.80.80.80.80.60.60.60.60.60.6
Percentage of Assets duk:PiedmontNaturalGas16.716.917.718.516.817.018.018.313.913.814.314.714.514.5

Retained Earnings Accumulated Deficit

us-gaap:RetainedEarningsAccumulatedDeficit



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value422141084139350233603113331328943021301329362607252123843212262726882564265622942309201224791768171323632227122319781889199515981833187319201448167614961460
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.62.62.72.32.22.12.32.12.22.22.21.91.91.82.52.12.22.12.21.91.91.72.11.51.52.11.91.11.71.71.82.53.03.03.22.42.82.52.6

dei:LegalEntity

duk:DukeEnergyOhio



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value2101459723-24-93-148-248-294-269-334-389-419-461-518-616-639-698-741-773-721-870-933-1372-1265-375-381-440-498-477519-533-578-652-689-740-773-846-405
Percentage of RetainedEarningsAccumulatedDeficit5.03.52.30.7-0.7-3.0-4.5-8.6-9.7-8.9-11.4-14.9-16.6-19.3-16.1-23.4-23.8-27.2-27.9-33.7-31.2-43.2-37.6-77.6-73.8-15.9-17.1-36.0-25.2-25.326.0-33.4-31.5-34.8-35.9-51.1-46.1-56.6-27.7
Percentage of Assets0.10.10.10.0-0.0-0.1-0.1-0.2-0.2-0.2-0.2-0.3-0.3-0.3-0.4-0.5-0.5-0.6-0.6-0.7-0.6-0.7-0.8-1.2-1.1-0.3-0.3-0.4-0.4-0.40.5-0.8-0.9-1.0-1.1-1.2-1.3-1.4-0.7
Percentage of Assets duk:DukeEnergyOhio2.21.61.10.3-0.3-1.1-1.8-3.1-3.7-3.4-4.3-5.1-5.5-6.1-7.0-8.4-9.0-9.8-10.5-11.0-7.4-8.7-9.3-14.3-13.3-3.5-3.6-4.1-4.7-4.54.9-4.9-5.3-6.0-6.5-6.9-7.2-7.7-3.5

duk:PiedmontNaturalGas



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value13101133102810461053931883904912802739750907812
Percentage of RetainedEarningsAccumulatedDeficit31.027.624.829.931.329.926.731.230.226.625.228.836.034.1
Percentage of Assets0.80.70.70.70.70.60.60.60.70.60.50.60.70.6
Percentage of Assets duk:PiedmontNaturalGas16.714.613.914.715.313.713.714.314.812.912.312.915.313.7

duk:ProgressEnergy



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-31
Value6747646562365715538651315009485545914350390642373963376446834661504048314703425540393782364733173112345232572916293327832752
Percentage of RetainedEarningsAccumulatedDeficit159.8157.4150.7163.2160.3164.8151.2167.8152.0144.4133.0162.5157.2157.9145.8177.4187.5188.4177.1185.5174.9188.0147.1187.6181.7146.1146.3238.4148.3147.3146.9
Percentage of Assets4.24.14.03.73.63.53.53.53.33.22.93.13.02.83.63.84.14.03.93.63.33.13.02.92.73.02.82.62.62.44.4
Percentage of Assets duk:ProgressEnergy11.811.211.010.39.89.79.69.59.28.88.08.88.48.110.210.411.310.810.610.09.69.09.18.78.29.18.77.87.97.47.9

Accumulated Other Comprehensive Income Loss Net Of Tax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value-193-130-153-148-128-92-66-70-69-67-80-82-85-93-721-717-766-806-778-648-672-543-456-355-377-399-380-376-289-306-340-320-174-234-18889302-372
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-0.1-0.1-0.1-0.1-0.1-0.1-0.0-0.0-0.0-0.0-0.1-0.1-0.1-0.1-0.6-0.6-0.6-0.7-0.6-0.5-0.6-0.4-0.4-0.3-0.3-0.3-0.3-0.3-0.3-0.3-0.3-0.5-0.3-0.4-0.30.10.10.0-0.7

dei:LegalEntity

duk:DukeEnergyCarolinas



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value-7-7-7-7-7-6-6-6-6-7-8-8-9-9-10-10-10-11-11-13-13-13-13-13-14-15-15-16-16-16-17-17-19-19-19-21-22-22-33
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax3.65.44.64.75.56.59.18.68.710.410.09.810.69.71.41.41.31.41.42.01.92.42.93.73.73.83.94.35.55.25.05.310.98.110.1-23.6-73.3-1100.08.9
Percentage of Assets-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.1
Percentage of Assets duk:DukeEnergyCarolinas-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1

duk:ProgressEnergy



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-31
Value-16-18-19-21-23-20-24-26-29-25-26-28-35-38-40-42-45-48-41-41-42-41-51-54-54-59-59-63-65-67-165
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax8.313.812.414.218.021.736.437.142.037.332.534.141.240.95.55.95.96.05.36.36.27.611.215.214.314.815.516.822.521.970.5
Percentage of Assets-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.1-0.1-0.1-0.1-0.1-0.3
Percentage of Assets duk:ProgressEnergy-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.2-0.2-0.2-0.2-0.2-0.5

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-03-312011-03-312010-03-31
Value15542572258118171239151923651911139116232255146712891206238615421664128025171439144014192548124613731392214717521091126519778729611121
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax26.843.938.031.920.725.736.735.023.50.00.026.40.00.00.029.60.00.00.00.00.00.00.00.00.00.00.00.018.522.229.424.026.231.2

dei:LegalEntity

duk:DukeEnergyCarolinas



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-03-312011-03-312010-03-31
Value59880390763136864697456134962210025444666319725927813429105455765016945136724381057464452370938353617609
Percentage of NetCashProvidedByUsedInOperatingActivities38.531.235.134.729.742.541.229.425.138.344.437.136.252.340.738.446.926.736.237.940.035.327.241.248.931.549.226.541.429.247.440.564.254.3
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax10.313.713.411.16.110.915.110.35.90.00.09.80.00.00.011.40.00.00.00.00.00.00.00.00.00.00.00.07.76.514.09.716.816.9
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:DukeEnergyCarolinas34.20.042.437.621.40.047.534.120.60.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

duk:DukeEnergyFlorida



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value301258609458153545652632279240329224112829024817827848121040417228514436571222796116128370211189
Percentage of NetCashProvidedByUsedInOperatingActivities19.410.023.625.212.33.623.913.816.35.717.919.918.710.612.216.110.721.719.114.628.112.111.211.626.65.110.345.410.610.118.70.021.7
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax5.24.49.08.02.60.98.84.83.80.00.05.30.00.00.04.80.00.00.00.00.00.00.00.00.00.00.00.02.02.25.55.95.2
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:DukeEnergyFlorida28.70.040.234.614.60.039.522.421.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

duk:DukeEnergyIndiana



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-03-312011-03-312010-03-31
Value23814633420930822131920925765392195317129361201180255326234361137274254240179209158198132201153266184
Percentage of NetCashProvidedByUsedInOperatingActivities15.35.712.911.524.914.513.510.918.54.017.413.324.610.715.113.010.819.913.016.325.19.710.820.417.512.99.79.018.110.410.217.527.716.4
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax4.12.54.93.75.13.74.93.84.30.00.03.50.00.00.03.90.00.00.00.00.00.00.00.00.00.00.00.03.42.33.04.27.35.1
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:DukeEnergyIndiana34.40.041.329.540.30.039.428.936.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

duk:DukeEnergyOhio



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-03-312011-03-312010-03-31
Value1371481597414517516614188148141371539879841641651143535384394-3033164222961477116180244263
Percentage of NetCashProvidedByUsedInOperatingActivities8.85.86.24.111.711.57.07.46.39.16.32.511.98.13.35.49.912.94.52.424.55.915.5-2.42.411.810.35.51.36.15.920.625.423.5
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax2.42.52.31.32.43.02.62.61.50.00.00.70.00.00.01.60.00.00.00.00.00.00.00.00.00.00.00.00.21.41.75.06.77.3
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:DukeEnergyOhio27.20.032.217.227.30.035.630.517.40.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

duk:DukeEnergyProgress



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value34057659240924634552542633237748426074572542367451250513267564255505129356400365130293314403204246
Percentage of NetCashProvidedByUsedInOperatingActivities21.922.422.922.519.922.722.222.323.923.221.517.75.747.422.723.827.119.520.418.639.218.019.810.425.928.717.07.426.924.820.40.028.2
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax5.99.88.77.24.15.88.17.85.60.00.04.70.00.00.07.00.00.00.00.00.00.00.00.00.00.00.00.05.05.56.05.76.8
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:DukeEnergyProgress25.80.035.930.317.00.033.934.223.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

duk:PiedmontNaturalGas



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value23092-311220814588371113-6384215-2635123223
Percentage of NetCashProvidedByUsedInOperatingActivities14.83.6-0.16.216.80.90.24.626.77.0-2.85.716.7-2.21.58.013.4
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax4.01.6-0.02.03.50.20.11.66.30.00.01.50.00.00.02.40.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:PiedmontNaturalGas49.90.0-1.956.936.50.03.142.966.60.00.00.00.00.00.00.00.0

duk:ProgressEnergy



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value65977911647255413631023631527411801494359653796561834489927426907382805276503424539894265390742393315
Percentage of NetCashProvidedByUsedInOperatingActivities42.430.345.139.943.723.943.333.037.925.335.533.727.954.133.436.450.138.236.829.663.026.931.622.236.630.525.151.024.330.837.50.036.1
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax11.413.317.112.79.06.115.911.58.90.00.08.90.00.00.010.80.00.00.00.00.00.00.00.00.00.00.00.04.56.811.011.08.7
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:ProgressEnergy27.80.036.827.121.70.034.426.120.90.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-03-312011-03-312010-03-31
Value-3022-3324-2845-3075-2713-2790-2625-2381-2264-2090-2036-1925-2399-5978-1947-1850-1758-1986-29971162-1456-1639-1367-1081-1286-1412-1004-1097-1465-2208-1598-1180-918-1236
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax-52.1-56.7-41.9-54.0-45.2-47.2-40.7-43.6-38.20.00.0-34.70.00.00.0-35.50.00.00.00.00.00.00.00.00.00.00.00.0-24.8-38.8-23.8-32.5-25.1-34.4

dei:LegalEntity

duk:DukeEnergyCarolinas



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-03-312011-03-312010-03-31
Value-1178-854-661-673-730-744-775-692-642-828-683-535-517-741-3047-1168-47-438-447-1049-395-516-382-552-136-794-206-465-40-1031125-678-398
Percentage of NetCashProvidedByUsedInInvestingActivities39.025.723.221.926.926.729.529.128.439.633.527.821.612.415.6-0.466.42.414.6-38.572.024.137.735.342.99.679.118.831.71.864.5-10.673.932.2
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax-20.3-14.6-9.7-11.8-12.2-12.6-12.0-12.7-10.80.00.0-9.60.00.00.00.10.00.00.00.00.00.00.00.00.00.00.00.0-7.9-0.7-15.33.4-18.5-11.1
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:DukeEnergyCarolinas-67.40.0-30.9-40.2-42.50.0-37.8-42.0-37.90.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

duk:DukeEnergyFlorida



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value-354-731-427-455-445-70-419-670-181-484-119-288-806-357-405-334-307-302-147-233-157-20-277-138-289-150-208-330-18-437-193-170-200
Percentage of NetCashProvidedByUsedInInvestingActivities11.722.015.014.816.42.516.028.18.023.25.815.033.66.020.818.117.515.24.9-20.110.81.220.312.822.510.620.730.11.219.812.10.016.9
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax-6.1-12.5-6.3-8.0-7.4-1.2-6.5-12.3-3.10.00.0-5.20.00.00.0-6.40.00.00.00.00.00.00.00.00.00.00.00.0-0.3-7.7-2.9-4.8-5.5
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:DukeEnergyFlorida-33.70.0-28.2-34.4-42.40.0-29.3-57.0-16.70.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

duk:DukeEnergyIndiana



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-03-312011-03-312010-03-31
Value-762-18-446-246-221-178-205-197-238-237-236-43-316-203-129-225-172-129-275-88-279-163-96-43-227-187-160-145-156-137-142-272-267-393
Percentage of NetCashProvidedByUsedInInvestingActivities25.20.515.78.08.16.47.88.310.511.311.62.213.23.46.612.29.86.59.2-7.619.29.97.04.017.713.215.913.210.66.28.923.129.131.8
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax-13.1-0.3-6.6-4.3-3.7-3.0-3.2-3.6-4.00.00.0-0.80.00.00.0-4.30.00.00.00.00.00.00.00.00.00.00.00.0-2.6-2.4-2.1-7.5-7.3-10.9
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:DukeEnergyIndiana-110.10.0-55.2-34.7-28.90.0-25.3-27.3-33.30.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

duk:DukeEnergyOhio



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-03-312011-03-312010-03-31
Value-227-187-329203-707-266-215-233-188-172-207-32-236-19811-305-108-139-90-6424-2-126-101-193-127-122-121-1086292-251-90-268
Percentage of NetCashProvidedByUsedInInvestingActivities7.55.611.6-6.626.19.58.29.88.38.210.21.79.83.3-0.616.56.17.03.0-5.5-1.60.19.29.315.09.012.211.07.4-0.3-18.321.39.821.7
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax-3.9-3.2-4.83.6-11.8-4.5-3.3-4.3-3.20.00.0-0.60.00.00.0-5.90.00.00.00.00.00.00.00.00.00.00.00.0-1.80.14.3-6.9-2.5-7.5
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:DukeEnergyOhio-45.00.0-66.647.3-133.10.0-46.1-50.4-37.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

duk:DukeEnergyProgress



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value-492-587-522-537-613-681-606-601-457-413-519-387-324-695-482-340-398-269-2023-151-323-615-326-206-384-591-276-338-403-435-141-573-335
Percentage of NetCashProvidedByUsedInInvestingActivities16.317.718.317.522.624.423.125.220.219.825.520.113.511.624.818.422.613.567.5-13.022.237.523.819.129.941.927.530.827.519.78.80.028.4
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax-8.5-10.0-7.7-9.4-10.2-11.5-9.4-11.0-7.70.00.0-7.00.00.00.0-6.50.00.00.00.00.00.00.00.00.00.00.00.0-6.8-7.6-2.1-16.0-9.2
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:DukeEnergyProgress-37.40.0-31.6-39.7-42.50.0-39.2-48.3-31.70.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

duk:PiedmontNaturalGas



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value-236-306-259-307-211-218-107-285-121-186-146-115-156-124-188-128-142
Percentage of NetCashProvidedByUsedInInvestingActivities7.89.29.110.07.87.84.112.05.38.97.26.06.52.19.76.98.1
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax-4.1-5.2-3.8-5.4-3.5-3.7-1.7-5.2-2.00.00.0-2.10.00.00.0-2.50.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:PiedmontNaturalGas-51.20.0-165.0-155.8-37.00.0-66.0-139.0-21.70.00.00.00.00.00.00.00.0

duk:ProgressEnergy



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value-855-1313-948-960-1092-753-1138-1199-670-826-727-691-1104-989-865-672-707-629-2109-412-472-642-594-332-598-746-458-750-643-673-530-527-552
Percentage of NetCashProvidedByUsedInInvestingActivities28.339.533.331.240.327.043.450.429.639.535.735.946.016.544.436.340.231.770.4-35.532.439.243.530.746.552.845.668.443.930.533.20.046.8
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax-14.7-22.4-14.0-16.9-18.2-12.7-17.6-21.9-11.30.00.0-12.40.00.00.0-12.90.00.00.00.00.00.00.00.00.00.00.00.0-10.9-11.8-7.9-14.7-15.2
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:ProgressEnergy-36.10.0-29.9-35.9-43.80.0-38.2-49.6-26.50.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-03-312011-03-312010-03-31
Value2593743365118914331413282318947543-235-1221596-1015506420615193890-4462801325-1258312-57-645-548-380246606-144-731-294-347
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax44.712.75.420.923.923.94.45.816.00.00.0-2.20.00.00.04.00.00.00.00.00.00.00.00.00.00.00.00.04.210.6-2.1-20.1-8.0-9.7

dei:LegalEntity

duk:DukeEnergyCarolinas



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-03-312011-03-312010-03-31
Value57846-23857329104-188144280204-317-44842-602-600391-480-302-100490-127-167-125-126-304-251-250-1-625389-752-1-501
Percentage of NetCashProvidedByUsedInFinancingActivities22.36.2-65.24.823.07.4-66.745.329.637.6134.93.33.0-4.1-11.9-291.32606.7-248.7-33.92.261.2-39.113.3-40.1221.147.145.865.8-0.4-103.1-270.1102.90.3144.4
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax10.00.8-3.51.05.51.8-2.92.64.70.00.0-0.10.00.00.0-11.50.00.00.00.00.00.00.00.00.00.00.00.0-0.0-11.05.8-20.7-0.0-13.9
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:DukeEnergyCarolinas33.10.0-11.13.419.10.0-9.28.716.50.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

duk:DukeEnergyFlorida



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value22489-1892423757-157433-80397-284-35562351178213316-33126-245-159-6-3-8280-17-455-222420-176-4013
Percentage of NetCashProvidedByUsedInFinancingActivities0.865.8-51.82.016.54.0-55.7136.2-8.473.1120.92.534.8-23.22.339.8886.78.3-37.2-0.6-30.6-48.90.5-1.0143.9-12.43.1119.7-90.269.3122.20.0-1.8
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax0.48.3-2.80.44.01.0-2.47.9-1.30.00.0-0.10.00.00.01.60.00.00.00.00.00.00.00.00.00.00.00.0-3.87.4-2.6-1.10.4
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:DukeEnergyFlorida2.10.0-12.51.822.60.0-11.036.9-7.40.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

duk:DukeEnergyIndiana



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-03-312011-03-312010-03-31
Value514-12312029-91-36-121-3-13159-151-150-3-3-150-179-1-150-728-166-225-2-2-32-28-5523-60125-1224
Percentage of NetCashProvidedByUsedInFinancingActivities19.8-16.632.92.4-6.4-2.5-42.9-0.9-1.429.364.3123.0-0.20.3-3.0-92.7-0.13.4-9.02.513.2-72.13.50.35.87.4-22.43.841.7-17.10.3-64.6
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax8.9-2.11.80.5-1.5-0.6-1.9-0.1-0.20.00.0-2.70.00.00.00.00.00.00.00.00.00.00.00.00.00.0-0.90.4-0.93.4-0.06.2
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:DukeEnergyIndiana74.30.014.94.1-11.90.0-15.0-0.4-1.80.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

duk:DukeEnergyOhio



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-03-312011-03-312010-03-31
Value8745173-28655810549871002964-98314-1212-51-36-22-1-345-90-265118162-28-881390-65-417-2-284-2
Percentage of NetCashProvidedByUsedInFinancingActivities3.46.147.4-24.138.97.417.427.410.65.3-27.27.45.2-1.4-0.0102.9-340.0-18.7-2.50.0-43.1-27.721.137.8-284.24.316.1-3.436.6-10.7289.60.396.60.6
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax1.50.82.5-5.09.31.80.81.61.70.00.0-0.20.00.00.04.10.00.00.00.00.00.00.00.00.00.00.00.01.5-1.1-6.2-0.1-7.8-0.1
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:DukeEnergyOhio17.30.035.0-66.7105.10.010.518.819.70.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

duk:DukeEnergyProgress



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value162-16-49126374342801851134138128250-268-30-57-891620-109-244363-1807516180-77217103120-26436990
Percentage of NetCashProvidedByUsedInFinancingActivities6.2-2.2-13.410.626.124.228.458.211.97.6-16.2-104.915.70.21.3-14.6-380.0-46.1182.02.4-30.5111.714.324.0-28.1-27.914.1-57.141.919.8183.30.0-12.3
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax2.8-0.3-0.72.26.25.81.23.41.90.00.02.30.00.00.0-0.60.00.00.00.00.00.00.00.00.00.00.00.01.72.1-3.910.32.5
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:DukeEnergyProgress12.30.0-3.09.325.90.05.214.97.80.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

duk:PiedmontNaturalGas



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value102142621953198100193-2578020730-6915817312-100
Percentage of NetCashProvidedByUsedInFinancingActivities0.428.871.816.40.214.035.560.7-27.114.7-88.1-24.6-4.3-15.63.45.8-666.7
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax0.23.73.93.40.13.31.63.5-4.30.00.00.50.00.00.00.20.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:PiedmontNaturalGas2.20.0166.999.00.50.061.794.1-46.10.00.00.00.00.00.00.00.0

duk:ProgressEnergy



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value195524-20026053443910460395425-83198737217200104-130261295-13-433255-2025873314-69-125182457-228-358572
Percentage of NetCashProvidedByUsedInFinancingActivities7.570.5-54.821.937.331.136.9189.610.078.335.3-162.346.2-21.43.950.5-866.713.5145.50.3-54.178.516.118.6-128.1-48.712.632.974.075.4158.30.0-78.2
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax3.48.9-2.94.68.97.41.611.01.60.00.03.60.00.00.02.00.00.00.00.00.00.00.00.00.00.00.00.03.18.0-3.4-10.015.8
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:ProgressEnergy8.20.0-6.39.721.40.03.524.93.80.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-03-312011-03-312010-03-31
Value15542572258118171239151923651911139116232255146712891206238615421664128025171439144014192548124613731392214717521091126519778729611121
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax26.843.938.031.920.725.736.735.023.50.00.026.40.00.00.029.60.00.00.00.00.00.00.00.00.00.00.00.018.522.229.424.026.231.2

dei:LegalEntity

duk:DukeEnergyCarolinas



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-03-312011-03-312010-03-31
Value59880390763136864697456134962210025444666319725927813429105455765016945136724381057464452370938353617609
Percentage of NetCashProvidedByUsedInOperatingActivities38.531.235.134.729.742.541.229.425.138.344.437.136.252.340.738.446.926.736.237.940.035.327.241.248.931.549.226.541.429.247.440.564.254.3
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax10.313.713.411.16.110.915.110.35.90.00.09.80.00.00.011.40.00.00.00.00.00.00.00.00.00.00.00.07.76.514.09.716.816.9
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:DukeEnergyCarolinas34.20.042.437.621.40.047.534.120.60.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

duk:DukeEnergyFlorida



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value301258609458153545652632279240329224112829024817827848121040417228514436571222796116128370211189
Percentage of NetCashProvidedByUsedInOperatingActivities19.410.023.625.212.33.623.913.816.35.717.919.918.710.612.216.110.721.719.114.628.112.111.211.626.65.110.345.410.610.118.70.021.7
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax5.24.49.08.02.60.98.84.83.80.00.05.30.00.00.04.80.00.00.00.00.00.00.00.00.00.00.00.02.02.25.55.95.2
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:DukeEnergyFlorida28.70.040.234.614.60.039.522.421.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

duk:DukeEnergyIndiana



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-03-312011-03-312010-03-31
Value23814633420930822131920925765392195317129361201180255326234361137274254240179209158198132201153266184
Percentage of NetCashProvidedByUsedInOperatingActivities15.35.712.911.524.914.513.510.918.54.017.413.324.610.715.113.010.819.913.016.325.19.710.820.417.512.99.79.018.110.410.217.527.716.4
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax4.12.54.93.75.13.74.93.84.30.00.03.50.00.00.03.90.00.00.00.00.00.00.00.00.00.00.00.03.42.33.04.27.35.1
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:DukeEnergyIndiana34.40.041.329.540.30.039.428.936.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

duk:DukeEnergyOhio



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-03-312011-03-312010-03-31
Value1371481597414517516614188148141371539879841641651143535384394-3033164222961477116180244263
Percentage of NetCashProvidedByUsedInOperatingActivities8.85.86.24.111.711.57.07.46.39.16.32.511.98.13.35.49.912.94.52.424.55.915.5-2.42.411.810.35.51.36.15.920.625.423.5
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax2.42.52.31.32.43.02.62.61.50.00.00.70.00.00.01.60.00.00.00.00.00.00.00.00.00.00.00.00.21.41.75.06.77.3
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:DukeEnergyOhio27.20.032.217.227.30.035.630.517.40.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

duk:DukeEnergyProgress



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value34057659240924634552542633237748426074572542367451250513267564255505129356400365130293314403204246
Percentage of NetCashProvidedByUsedInOperatingActivities21.922.422.922.519.922.722.222.323.923.221.517.75.747.422.723.827.119.520.418.639.218.019.810.425.928.717.07.426.924.820.40.028.2
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax5.99.88.77.24.15.88.17.85.60.00.04.70.00.00.07.00.00.00.00.00.00.00.00.00.00.00.00.05.05.56.05.76.8
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:DukeEnergyProgress25.80.035.930.317.00.033.934.223.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

duk:PiedmontNaturalGas



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value23092-311220814588371113-6384215-2635123223
Percentage of NetCashProvidedByUsedInOperatingActivities14.83.6-0.16.216.80.90.24.626.77.0-2.85.716.7-2.21.58.013.4
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax4.01.6-0.02.03.50.20.11.66.30.00.01.50.00.00.02.40.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:PiedmontNaturalGas49.90.0-1.956.936.50.03.142.966.60.00.00.00.00.00.00.00.0

duk:ProgressEnergy



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value65977911647255413631023631527411801494359653796561834489927426907382805276503424539894265390742393315
Percentage of NetCashProvidedByUsedInOperatingActivities42.430.345.139.943.723.943.333.037.925.335.533.727.954.133.436.450.138.236.829.663.026.931.622.236.630.525.151.024.330.837.50.036.1
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax11.413.317.112.79.06.115.911.58.90.00.08.90.00.00.010.80.00.00.00.00.00.00.00.00.00.00.00.04.56.811.011.08.7
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:ProgressEnergy27.80.036.827.121.70.034.426.120.90.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Income Loss

us-gaap:NetIncomeLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value93870113278209004641082500620703954686716-2271176509694477932543864971274609-976881004339634435594444295288472435511427670-222445346109276344
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax16.212.019.514.415.07.816.89.110.50.00.012.30.00.00.09.80.00.00.00.00.00.00.00.00.00.00.00.010.77.68.812.48.18.611.912.314.012.417.0-6.812.411.13.29.510.4

dei:LegalEntity

duk:DukeEnergyCarolinas



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value339219590301293135496117323205466273270140494261271141383265292139377270286209342181
Percentage of NetIncomeLoss36.131.244.536.732.629.145.823.452.129.248.839.837.7-61.742.051.339.029.641.148.833.8143.329.644.3-294.830.434.153.4
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax5.83.78.75.34.92.37.72.15.40.00.04.90.00.00.05.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:DukeEnergyCarolinas19.40.027.618.017.00.024.27.119.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

duk:DukeEnergyFlorida



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value120106289201964024316810334412015890642061711101052161651139320514210875197-57
Percentage of NetIncomeLoss12.815.121.824.510.78.622.533.616.648.912.623.012.6-28.217.533.615.922.023.230.413.195.916.123.3-111.310.919.6-16.8
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax2.11.84.33.51.60.73.83.11.70.00.02.80.00.00.03.30.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:DukeEnergyFlorida11.40.019.115.29.10.017.014.39.50.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

duk:DukeEnergyIndiana



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value9973156971107611998100361211069172129859594466810858101871138210482
Percentage of NetIncomeLoss10.610.411.811.812.216.411.019.616.15.112.715.512.7-31.711.016.713.719.74.912.512.559.87.914.3-116.511.910.424.2
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax1.71.22.31.71.81.31.81.81.70.00.01.90.00.00.01.60.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:DukeEnergyIndiana14.30.019.313.714.40.014.713.614.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

duk:DukeEnergyOhio



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value65487447695510046-2565553042578923594332-5214963439-107-89065958
Percentage of NetIncomeLoss6.96.85.65.77.711.99.29.2-4.09.25.84.45.9-25.17.64.58.59.03.4-9.617.264.934.5-17.6917.50.95.917.1
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax1.10.81.10.81.20.91.60.8-0.40.00.00.50.00.00.00.40.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:DukeEnergyOhio12.90.015.011.013.00.021.510.0-4.90.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

duk:DukeEnergyProgress



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value2041552781692031352161391771682461541476027113113769229851837615710113313817577
Percentage of NetIncomeLoss21.722.120.920.622.629.120.027.828.523.925.822.420.5-26.423.025.719.714.524.615.721.278.412.316.6-137.120.117.422.7
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax3.52.64.13.03.42.33.32.53.00.00.02.80.00.00.02.50.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:DukeEnergyProgress15.50.016.812.514.10.014.011.212.30.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

duk:PiedmontNaturalGas



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-10-312016-09-302016-07-312016-06-302016-04-302016-03-312016-01-31
Value178105-18-712248-21-811063-11-8955439-12-736310398
Percentage of NetIncomeLoss19.015.0-1.4-0.913.610.3-1.9-1.617.79.0-1.2-1.213.3-23.80.0-1.00.00.60.014.80.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax3.11.8-0.3-0.12.00.8-0.3-0.11.90.00.0-0.10.00.00.00.00.00.10.00.00.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:PiedmontNaturalGas38.60.0-11.5-3.621.40.0-13.0-3.919.70.00.00.00.00.00.00.00.00.00.00.00.0

duk:ProgressEnergy



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value283229521328249123404265235444341274199104446272209128448215260136329202202195341-171533215563150-76291176184
Percentage of NetIncomeLoss30.232.739.340.027.726.537.353.037.963.235.739.927.8-45.837.953.430.126.848.139.630.1140.225.833.2-208.228.334.0-5.024.17.426.114.250.8-26.461.740.536.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax4.93.97.75.84.22.16.34.84.00.00.04.90.00.00.05.20.00.00.00.00.00.00.00.00.00.00.00.02.60.62.31.84.1-2.37.35.05.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:ProgressEnergy12.00.016.512.310.00.013.611.09.30.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:StatementEquityComponents, dei:LegalEntity

duk:MembersEquity, duk:DukeEnergyCarolinas



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value339219590301293135496117
Percentage of NetIncomeLoss36.131.244.536.732.629.145.823.4
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax5.83.78.75.34.92.37.72.1
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:MembersEquity duk:DukeEnergyCarolinas0.00.00.00.00.00.00.00.0

duk:MembersEquity, duk:DukeEnergyFlorida



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value1201062892019640243168
Percentage of NetIncomeLoss12.815.121.824.510.78.622.533.6
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax2.11.84.33.51.60.73.83.1
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:MembersEquity duk:DukeEnergyFlorida0.00.00.00.00.00.00.00.0

duk:MembersEquity, duk:DukeEnergyIndiana



Period End2020-03-312019-03-31
Value99110
Percentage of NetIncomeLoss10.612.2
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax1.71.8
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:MembersEquity duk:DukeEnergyIndiana0.00.0

duk:MembersEquity, duk:DukeEnergyProgress



Period End2020-03-312019-03-31
Value204203
Percentage of NetIncomeLoss21.722.6
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax3.53.4
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:MembersEquity duk:DukeEnergyProgress0.00.0

us-gaap:RetainedEarnings, duk:DukeEnergyOhio



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value65487447695510046
Percentage of NetIncomeLoss6.96.85.65.77.711.99.29.2
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax1.10.81.10.81.20.91.60.8
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:RetainedEarnings duk:DukeEnergyOhio0.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings, duk:PiedmontNaturalGas



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value178105-18-712248-21-8
Percentage of NetIncomeLoss19.015.0-1.4-0.913.610.3-1.9-1.6
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax3.11.8-0.3-0.12.00.8-0.3-0.1
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:RetainedEarnings duk:PiedmontNaturalGas0.00.00.00.00.00.00.00.0

Profit Loss

us-gaap:ProfitLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value89060713237488934541066502622703955689717-22211815126994829355478671001269613-936921008342634437598448299290470441513666-217445
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax15.310.419.513.114.97.716.59.210.50.00.012.40.00.00.09.80.00.00.00.00.00.00.00.00.00.00.00.010.77.78.912.58.28.611.912.514.016.9-6.612.4

dei:LegalEntity

duk:ProgressEnergy



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value283229521329248123406267237447343277201106449274212131451217263139330202203196342-171543415764152-74293178185
Percentage of ProfitLoss31.837.739.444.027.827.138.153.238.163.635.940.228.0-47.738.053.530.327.248.239.730.3139.026.033.0-218.328.333.9-5.024.37.826.314.350.8-25.562.340.436.1
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax4.93.97.75.84.12.16.34.94.00.00.05.00.00.00.05.30.00.00.00.00.00.00.00.00.00.00.00.02.60.62.31.84.2-2.27.45.05.1
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:ProgressEnergy12.00.016.512.39.90.013.611.09.40.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:StatementEquityComponents, dei:LegalEntity

us-gaap:Parent, duk:ProgressEnergy



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value283229521328249123404265
Percentage of ProfitLoss31.837.739.443.927.927.137.952.8
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax4.93.97.75.84.22.16.34.8
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:Parent duk:ProgressEnergy0.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings, duk:ProgressEnergy



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value283229521328249123404265
Percentage of ProfitLoss31.837.739.443.927.927.137.952.8
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax4.93.97.75.84.22.16.34.8
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:RetainedEarnings duk:ProgressEnergy0.00.00.00.00.00.00.00.0

Depreciation Depletion And Amortization

us-gaap:DepreciationDepletionAndAmortization



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-03-312011-03-31
Value130113451348124512381249119711611089105610379629911033979937931933896901883866893864884864821782762787788544504
Percentage of DepreciationDepletionAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dei:LegalEntity

duk:DukeEnergyCarolinas



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-03-312011-03-31
Value414444423416388403377360347358363349339362347343330345346346324321331312309302296288281283291288249
Percentage of DepreciationDepletionAndAmortization31.833.031.433.431.332.331.531.031.933.935.036.334.235.035.436.635.437.038.638.436.737.137.136.135.035.036.136.836.936.036.952.949.4

duk:DukeEnergyFlorida



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value2192222242162072122072221521391571401341331441231161071151221361371401401339595915436409328
Percentage of DepreciationDepletionAndAmortization16.816.516.617.316.717.017.319.114.013.215.114.613.512.914.713.112.511.512.813.515.415.815.716.215.011.011.611.67.14.65.10.05.1

duk:DukeEnergyIndiana



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-03-312011-03-31
Value13313613013313213613012713112312192126152124961271161091091051051051031031167279799710197100
Percentage of DepreciationDepletionAndAmortization10.210.19.610.710.710.910.910.912.011.611.79.612.714.712.710.213.612.412.212.111.912.111.811.911.713.48.810.110.412.312.817.819.8

duk:DukeEnergyOhio



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-03-312011-03-31
Value696770676572656371696464685951656255585958535162928989908990878489
Percentage of DepreciationDepletionAndAmortization5.35.05.25.45.35.85.45.46.56.56.26.76.95.75.26.96.75.96.56.56.66.15.77.210.410.310.811.511.711.411.015.417.7

duk:DukeEnergyProgress



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value331333362298336314304281284245238225228228228228223234198196193191202185183178183149175177173165161
Percentage of DepreciationDepletionAndAmortization25.424.826.923.927.125.125.424.226.123.223.023.423.022.123.324.324.025.122.121.821.922.122.621.420.720.622.319.123.022.522.00.029.6

duk:PiedmontNaturalGas



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value4645444342414140393938373725373737
Percentage of DepreciationDepletionAndAmortization3.53.33.33.53.43.33.43.43.63.73.73.83.72.43.83.94.0

duk:ProgressEnergy



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value552558588515546529513506439386397368365364375354342350314319329328343326316277284245235219219264195
Percentage of DepreciationDepletionAndAmortization42.441.543.641.444.142.442.943.640.336.638.338.336.835.238.337.836.737.535.035.437.337.938.437.735.732.134.631.330.827.827.80.035.8

Increase Decrease In Inventories

us-gaap:IncreaseDecreaseInInventories



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-03-312011-03-312010-03-31
Value92119-1077931-52-3431-101-20-952-155183-277-89-892241555-57252139150-272150-3542-126236-14316231-180
Percentage of IncreaseDecreaseInInventories100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dei:LegalEntity

duk:DukeEnergyCarolinas



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-03-312011-03-312010-03-31
Value7253-821859-36-579-28-6418-42-115-62-401091738-71516624-18132-3562-5066-3710059-86
Percentage of IncreaseDecreaseInInventories78.344.576.622.8190.369.214.722.6-8.9140.067.4900.02.61.141.569.744.948.7113.369.112.359.947.516.066.521.3100.0147.639.728.025.961.7190.347.8

duk:DukeEnergyFlorida



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value19-13-28-1413-1-2911-398-2-30-42-15-3-17122430-1043-316-204-2-29-1549-29-114
Percentage of IncreaseDecreaseInInventories20.7-10.926.2-17.741.91.985.335.538.6-40.02.1-1500.027.1-8.21.119.1-13.510.720.00.017.517.1-2.210.77.42.75.7-69.011.920.820.30.02.5

duk:DukeEnergyIndiana



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-03-312011-03-312010-03-31
Value2139152813-12-361730-20-8-2680-84-17-45-6-153757324-410201623-624-23412-32
Percentage of IncreaseDecreaseInInventories22.832.8-14.035.441.923.1105.954.8-3.0-0.021.1-400.016.843.730.319.150.6-2.7-100.067.3-8.829.017.3-2.7-3.713.3-45.754.84.810.21.421.038.717.8

duk:DukeEnergyOhio



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-03-312011-03-312010-03-31
Value-147413-15-91116-25-5513-192706-11-63-241233-2932-8-10-116-418-33-49
Percentage of IncreaseDecreaseInInventories-15.25.9-3.716.5-48.417.3-32.451.624.825.0-5.3650.012.314.8-0.0-6.71.16.7-10.9-5.3-9.58.622.010.721.322.9-23.88.72.528.74.9-106.527.2

duk:DukeEnergyProgress



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value22-5-41215-1-21-26-15-7-290-2379-71-5-158716-16-37123175-5358-9-3-2081-23-55
Percentage of IncreaseDecreaseInInventories23.9-4.238.326.616.11.961.8-83.914.935.030.50.014.843.225.65.616.938.8106.7-29.164.94.822.350.019.538.725.7-7.115.934.316.10.03.1

duk:PiedmontNaturalGas



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-03-31
Value-3325148-4520129-37159-3711-49
Percentage of IncreaseDecreaseInInventories-35.921.0-13.110.1-145.2-38.5-35.329.036.6-15.8450.023.96.055.1

duk:ProgressEnergy



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value40-17-71818-2-48-16-551-31-30-6564-74-22-311118-15-47562790-7262-10-33-36131-52-168
Percentage of IncreaseDecreaseInInventories43.5-14.366.410.158.13.8141.2-51.654.5-5.032.6-1500.041.935.026.724.73.449.6120.0-27.382.522.219.460.026.541.328.6-78.628.655.536.40.04.9

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-03-312011-03-312010-03-31
Value-3022-3324-2845-3075-2713-2790-2625-2381-2264-2090-2036-1925-2399-5978-1947-1850-1758-1986-29971162-1456-1639-1367-1081-1286-1412-1004-1097-1465-2208-1598-1180-918-1236
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax-52.1-56.7-41.9-54.0-45.2-47.2-40.7-43.6-38.20.00.0-34.70.00.00.0-35.50.00.00.00.00.00.00.00.00.00.00.00.0-24.8-38.8-23.8-32.5-25.1-34.4

dei:LegalEntity

duk:DukeEnergyCarolinas



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-03-312011-03-312010-03-31
Value-1178-854-661-673-730-744-775-692-642-828-683-535-517-741-3047-1168-47-438-447-1049-395-516-382-552-136-794-206-465-40-1031125-678-398
Percentage of NetCashProvidedByUsedInInvestingActivities39.025.723.221.926.926.729.529.128.439.633.527.821.612.415.6-0.466.42.414.6-38.572.024.137.735.342.99.679.118.831.71.864.5-10.673.932.2
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax-20.3-14.6-9.7-11.8-12.2-12.6-12.0-12.7-10.80.00.0-9.60.00.00.00.10.00.00.00.00.00.00.00.00.00.00.00.0-7.9-0.7-15.33.4-18.5-11.1
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:DukeEnergyCarolinas-67.40.0-30.9-40.2-42.50.0-37.8-42.0-37.90.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

duk:DukeEnergyFlorida



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value-354-731-427-455-445-70-419-670-181-484-119-288-806-357-405-334-307-302-147-233-157-20-277-138-289-150-208-330-18-437-193-170-200
Percentage of NetCashProvidedByUsedInInvestingActivities11.722.015.014.816.42.516.028.18.023.25.815.033.66.020.818.117.515.24.9-20.110.81.220.312.822.510.620.730.11.219.812.10.016.9
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax-6.1-12.5-6.3-8.0-7.4-1.2-6.5-12.3-3.10.00.0-5.20.00.00.0-6.40.00.00.00.00.00.00.00.00.00.00.00.0-0.3-7.7-2.9-4.8-5.5
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:DukeEnergyFlorida-33.70.0-28.2-34.4-42.40.0-29.3-57.0-16.70.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

duk:DukeEnergyIndiana



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-03-312011-03-312010-03-31
Value-762-18-446-246-221-178-205-197-238-237-236-43-316-203-129-225-172-129-275-88-279-163-96-43-227-187-160-145-156-137-142-272-267-393
Percentage of NetCashProvidedByUsedInInvestingActivities25.20.515.78.08.16.47.88.310.511.311.62.213.23.46.612.29.86.59.2-7.619.29.97.04.017.713.215.913.210.66.28.923.129.131.8
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax-13.1-0.3-6.6-4.3-3.7-3.0-3.2-3.6-4.00.00.0-0.80.00.00.0-4.30.00.00.00.00.00.00.00.00.00.00.00.0-2.6-2.4-2.1-7.5-7.3-10.9
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:DukeEnergyIndiana-110.10.0-55.2-34.7-28.90.0-25.3-27.3-33.30.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

duk:DukeEnergyOhio



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-03-312011-03-312010-03-31
Value-227-187-329203-707-266-215-233-188-172-207-32-236-19811-305-108-139-90-6424-2-126-101-193-127-122-121-1086292-251-90-268
Percentage of NetCashProvidedByUsedInInvestingActivities7.55.611.6-6.626.19.58.29.88.38.210.21.79.83.3-0.616.56.17.03.0-5.5-1.60.19.29.315.09.012.211.07.4-0.3-18.321.39.821.7
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax-3.9-3.2-4.83.6-11.8-4.5-3.3-4.3-3.20.00.0-0.60.00.00.0-5.90.00.00.00.00.00.00.00.00.00.00.00.0-1.80.14.3-6.9-2.5-7.5
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:DukeEnergyOhio-45.00.0-66.647.3-133.10.0-46.1-50.4-37.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

duk:DukeEnergyProgress



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value-492-587-522-537-613-681-606-601-457-413-519-387-324-695-482-340-398-269-2023-151-323-615-326-206-384-591-276-338-403-435-141-573-335
Percentage of NetCashProvidedByUsedInInvestingActivities16.317.718.317.522.624.423.125.220.219.825.520.113.511.624.818.422.613.567.5-13.022.237.523.819.129.941.927.530.827.519.78.80.028.4
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax-8.5-10.0-7.7-9.4-10.2-11.5-9.4-11.0-7.70.00.0-7.00.00.00.0-6.50.00.00.00.00.00.00.00.00.00.00.00.0-6.8-7.6-2.1-16.0-9.2
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax duk:DukeEnergyProgress-37.40.0-31.6-39.7-42.50.0-39.2-48.3-31.70.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

duk:PiedmontNaturalGas



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30