HBAN


Line plots across dimensions of each concept
Tables

Table of contents



us-gaap:CommonStockValue
us-gaap:StatementEquityComponents
us-gaap:SharesOutstanding

us-gaap:CommonStockSharesOutstanding

us-gaap:CommonStockSharesAuthorized

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareDiluted

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:ProductOrService
us-gaap:ConsolidationItems, us-gaap:ProductOrService, us-gaap:StatementBusinessSegments
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:ProductOrService

us-gaap:InterestExpense

us-gaap:IncomeTaxExpenseBenefit
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:IncomeTaxesPaidNet

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest

us-gaap:NetIncomeLoss
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:StatementEquityComponents

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic

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

us-gaap:Liabilities

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:StockholdersEquity
us-gaap:FinancialInstrument, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:Goodwill

us-gaap:LongTermDebt

us-gaap:StockholdersEquity
us-gaap:FinancialInstrument, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents

us-gaap:CommonStockValue

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:TreasuryStockValue

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetIncomeLoss
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:StatementEquityComponents

us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:ProceedsFromIssuanceOfLongTermDebt

us-gaap:RepaymentsOfLongTermDebt

us-gaap:PaymentsForRepurchaseOfCommonStock

us-gaap:RepaymentsOfLongTermDebt
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:DebtInstrumentInterestRateStatedPercentage

us-gaap:ShareBasedCompensation

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:ProceedsFromRepaymentsOfShortTermDebt

hban:AccruedIncomeAndOtherAssets

hban:AdditionstoUnfundedLoanCommitmentsandLettersofCreditAllowance
us-gaap:FinancingReceivablePortfolioSegment

hban:CapitalMarketsFeeIncome

hban:ElectronicBanking
us-gaap:FairValueByAssetClass
hban:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetRepayments

hban:Fairvaluehedgingadjustments

hban:FeesandCommissionsServiceChargesonDepositAccounts

hban:FeesandCommissionsTrustandInvestmentManagementServices

hban:FinancePrincipalLeasePayments

hban:FinancingReceivableModificationsEffectofModification

hban:IncreaseDecreaseToNetInterestIncomeDueToDerivativeAdjustment

hban:InterestIncomeSecuritiesOperatingOtherTaxable
us-gaap:FinancialInstrument
hban:LoansWithServicingRetainedSold

hban:PaymentsToAcquireOtherSecurities

hban:ProvisionForReductionInAllowanceLoanandLeaseLosses.
us-gaap:FinancingReceivablePortfolioSegment

hban:ProvisionForReductionInAllowanceUnfundedLoanCommitmentsandLettersofCredit.
us-gaap:FinancingReceivablePortfolioSegment

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
us-gaap:StatementEquityComponents
us-gaap:VariableInterestEntitiesByClassificationOfEntity
us-gaap:AffordableHousingTaxCreditsAndOtherTaxBenefitsAmount

us-gaap:AllowanceForLoanAndLeaseLossRecoveryOfBadDebts
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:VariableInterestEntitiesByClassificationOfEntity
us-gaap:AmortizationMethodQualifiedAffordableHousingProjectInvestmentsAmortization

us-gaap:AmortizationOfIntangibleAssets
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:BankOwnedLifeInsuranceIncome

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:CommonStockDividendsPerShareDeclared
us-gaap:FinancialInstrument
us-gaap:ContractuallySpecifiedServicingFeesLateFeesAndAncillaryFeesEarnedInExchangeForServicingFinancialAssets

us-gaap:DebtAndEquitySecuritiesGainLoss
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:DebtInstrumentRedemptionPricePercentage

us-gaap:DeferredIncomeTaxExpenseBenefit

us-gaap:DepreciationAndAmortization
us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeGainLossOnDerivativeNet
us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:HedgingDesignation, us-gaap:IncomeStatementLocation
us-gaap:DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet
us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:HedgingDesignation

us-gaap:DirectFinancingLeaseInterestIncome

us-gaap:DividendsCommonStockCash
us-gaap:StatementEquityComponents

us-gaap:DividendsPreferredStock
us-gaap:StatementClassOfStock
us-gaap:DividendsPreferredStockCash
us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents

us-gaap:EquipmentExpense
us-gaap:FairValueByAssetClass
us-gaap:FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss
us-gaap:FairValueByAssetClass
us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1
us-gaap:FairValueByAssetClass, us-gaap:IncomeStatementLocation

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss
us-gaap:FairValueByAssetClass
us-gaap:FairValueByAssetClass
us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases
us-gaap:FairValueByAssetClass
us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales
us-gaap:FairValueByAssetClass
us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements

us-gaap:FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisChangeInUnrealizedGainLoss

us-gaap:FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationGainLossIncludedInEarnings
us-gaap:IncomeStatementLocation

us-gaap:FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationSettlements

us-gaap:FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationTransfersOutOfLevel3
us-gaap:FinancialInstrument
us-gaap:FairValueOptionChangesInFairValueGainLoss1

us-gaap:FederalDepositInsuranceCorporationPremiumExpense

us-gaap:FeesAndCommissionsMortgageBankingAndServicing

us-gaap:FinancingReceivableAllowanceForCreditLossesWriteOffs
us-gaap:FinancingReceivablePortfolioSegment

us-gaap:FinancingReceivableModificationsNumberOfContracts2

us-gaap:FinancingReceivableModificationsPostModificationRecordedInvestment2

us-gaap:GainLossOnInterestRateCashFlowHedgeIneffectiveness
us-gaap:FinancialInstrument
us-gaap:GainLossOnSaleOfMortgageLoans

us-gaap:GainLossOnSalesOfLoansNet

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments

us-gaap:IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities

us-gaap:IncreaseDecreaseInDeposits
us-gaap:DerivativeInstrumentRisk, us-gaap:IncomeStatementLocation
us-gaap:IncreaseDecreaseInFairValueOfHedgedItemInInterestRateFairValueHedge1

us-gaap:IncreaseDecreaseInLoansHeldForSale

us-gaap:IncreaseDecreaseInTradingSecurities

us-gaap:IncrementalCommonSharesAttributableToContingentlyIssuableShares

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements

us-gaap:InformationTechnologyAndDataProcessing

us-gaap:InsuranceCommissionsAndFees

us-gaap:InterestAndDividendIncomeOperating

us-gaap:InterestAndDividendIncomeSecuritiesHeldToMaturity

us-gaap:InterestAndFeeIncomeLoansAndLeases

us-gaap:InterestExpenseDeposits

us-gaap:InterestExpenseOtherLongTermDebt

us-gaap:InterestExpenseShortTermBorrowings

us-gaap:InterestIncomeExpenseAfterProvisionForLoanLoss

us-gaap:InterestIncomeExpenseNet
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:InterestIncomeSecuritiesTaxExempt

us-gaap:InterestIncomeSecuritiesTaxable

us-gaap:InterestPaidNet

us-gaap:LaborAndRelatedExpense

us-gaap:MarketableSecuritiesUnrealizedGainLoss

us-gaap:MarketingAndAdvertisingExpense

us-gaap:NoninterestExpense
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:NoninterestIncome
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:NoninterestIncomeOther
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:NoninterestIncomeOtherOperatingIncome

us-gaap:OccupancyNet

us-gaap:OciBeforeReclassificationsNetOfTaxAttributableToParent
us-gaap:FinancialInstrument, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax
us-gaap:FinancialInstrument, us-gaap:StatementEquityComponents
us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax
us-gaap:FinancialInstrument, us-gaap:StatementEquityComponents
us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax
us-gaap:FinancialInstrument, us-gaap:StatementEquityComponents
us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsTax

us-gaap:OtherComprehensiveIncomeLossBeforeTax
us-gaap:FinancialInstrument, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax

us-gaap:OtherComprehensiveIncomeLossNetOfTax
us-gaap:FinancialInstrument, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
us-gaap:FinancialInstrument, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossTax
us-gaap:FinancialInstrument, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents

us-gaap:OtherInterestAndDividendIncome

us-gaap:OtherNoninterestExpense

us-gaap:PaymentsForProceedsFromOtherInvestingActivities

us-gaap:PaymentsForProceedsFromOtherLoansAndLeases

us-gaap:PaymentsOfDividendsCommonStock

us-gaap:PaymentsOfDividendsPreferredStockAndPreferenceStock

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation

us-gaap:PaymentsToAcquireAvailableForSaleSecurities

us-gaap:PaymentsToAcquireHeldToMaturitySecurities

us-gaap:PaymentsToAcquireLoansAndLeasesHeldForInvestment
us-gaap:StatementClassOfStock
us-gaap:PreferredStockDividendsPerShareDeclared

us-gaap:ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities

us-gaap:ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities

us-gaap:ProceedsFromPaymentsForInInterestBearingDepositsInBanks

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities

us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesDebt

us-gaap:ProceedsFromSaleOfLoansHeldForInvestment

us-gaap:ProfessionalFees

us-gaap:ProvisionForLoanAndLeaseLosses
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:FinancialInstrument, us-gaap:StatementEquityComponents
us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax
us-gaap:FinancialInstrument, us-gaap:StatementEquityComponents
us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax

us-gaap:ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent
us-gaap:FinancialInstrument, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents
us-gaap:FinancialInstrument, us-gaap:StatementEquityComponents
us-gaap:ReclassificationFromAociCurrentPeriodTax
us-gaap:FinancialInstrument, hban:SensitivityAnalysisOfFairValueOfServicingRights
us-gaap:ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValuePrepaymentSpeed
us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensation

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation
us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents
us-gaap:StockRepurchasedAndRetiredDuringPeriodShares

us-gaap:StockRepurchasedAndRetiredDuringPeriodValue
us-gaap:StatementEquityComponents

us-gaap:StockholdersEquityOther
us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents
us-gaap:StockholdersEquityOtherShares

us-gaap:TransferOfLoansHeldForSaleToPortfolioLoans1

us-gaap:TransferOfOtherRealEstate

us-gaap:TransferOfPortfolioLoansAndLeasesToHeldForSale1

us-gaap:WeightedAverageNumberDilutedSharesOutstandingAdjustment

hban:AULCBalance
us-gaap:FinancingReceivablePortfolioSegment

hban:AclBalanceEndOfPeriod
us-gaap:FinancingReceivablePortfolioSegment

hban:AggregateCreditRiskNetOfCollateral
us-gaap:VariableInterestEntitiesByClassificationOfEntity
hban:AmortizationMethodQualifiedAffordableHousingProjectInvestmentsAccumulatedAmortization

hban:AvailableForSaleSecuritiesTransferredToHeldToMaturitySecurities
us-gaap:FinancingReceivablePortfolioSegment
hban:CapitalLeasesGrossInvestmentInDirectFinancingLeases
us-gaap:FairValueByMeasurementBasis
hban:CashAndShortTermAssets
us-gaap:FairValueByMeasurementBasis, hban:ReportedValueMeasurement
us-gaap:FinancialInstrument
hban:CommitmentsToSellResidentialRealEstateLoans

hban:CreditRisksFromInterestRateSwapsUsedForTradingPurposes
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
hban:DebtInstrumentPercentofValue
us-gaap:DerivativeInstrumentRisk
hban:DerivativeFinancialInstrumentsUsedByCompanyOnBehalfOfCustomersIncludingOffsettingDerivativesNotionalValue

hban:EquitySecuritiesFVNIAccumulatedGrossUnrealizedGainbeforeTax
us-gaap:FinancialInstrument
us-gaap:FinancingReceivablePortfolioSegment
hban:FinancingReceivableAccruedInterestBeforeAllowanceForCreditLoss
us-gaap:CreditScoreFico, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
hban:FinancingReceivableRevolvingConvertedToTermLoan
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:InternalCreditAssessment
us-gaap:VariableInterestEntitiesByClassificationOfEntity
hban:GrossInvestmentInQualifiedAffordableHousingProjects
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis, us-gaap:FairValueByMeasurementFrequency
hban:ImpairedLoansFairValueDisclosure
us-gaap:FairValueByMeasurementBasis, us-gaap:FairValueByMeasurementFrequency

hban:InterestbearingdepositsatFederalReserveBank

hban:InvestmentInUnconsolidatedSubsidiary
us-gaap:VariableInterestEntitiesByClassificationOfEntity
us-gaap:Range, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument, us-gaap:MeasurementInputType, us-gaap:ValuationTechnique
hban:LoansheldforinvestmentMeasurementInput
us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument
hban:MortgagesHeldForSaleUnpaidPrincipal
us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument, us-gaap:FinancingReceivablesPeriodPastDue
us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument
hban:MortgagesHeldToMaturityUnpaidPrincipal
us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument, us-gaap:FinancingReceivablesPeriodPastDue
us-gaap:FairValueByMeasurementBasis
hban:OtherSecurities
us-gaap:FairValueByMeasurementBasis, hban:ReportedValueMeasurement
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
hban:OtherSecuritiesFairValue
us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis
hban:OtherSecuritiesOnlyMeasuredAtFairValue
us-gaap:FairValueByMeasurementBasis
us-gaap:DerivativeInstrumentRisk
hban:TradingAssets
us-gaap:FinancialInstrument
hban:UnpaidPrincipalBalanceOfThirdPartyServicedLoans

us-gaap:AdditionalPaidInCapital
us-gaap:VariableInterestEntitiesByClassificationOfEntity
us-gaap:AmortizationMethodQualifiedAffordableHousingProjectInvestments

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
us-gaap:FinancialInstrument

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
us-gaap:FinancialInstrument

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis
us-gaap:FinancialInstrument

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue

us-gaap:AvailableForSaleSecuritiesDebtSecurities

us-gaap:BankOwnedLifeInsurance
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:CapitalLeasesNetInvestmentInDirectFinancingLeases
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:CapitalLeasesNetInvestmentInDirectFinancingLeasesDeferredIncome
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:CapitalLeasesNetInvestmentInDirectFinancingLeasesInitialDirectCosts
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:CapitalLeasesNetInvestmentInDirectFinancingLeasesMinimumPaymentsToBeReceived
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:CapitalLeasesNetInvestmentInDirectFinancingLeasesUnguaranteedResidualValuesOfLeasedProperty

us-gaap:CashAndDueFromBanks

us-gaap:CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption
hban:AllowanceType
us-gaap:FinancingReceivablePortfolioSegment, hban:AllowanceType
us-gaap:StatementEquityComponents

us-gaap:DebtInstrumentCarryingAmount
us-gaap:VariableInterestEntitiesByClassificationOfEntity
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:DebtInstrumentFaceAmount
us-gaap:VariableInterestEntitiesByClassificationOfEntity
us-gaap:DebtInstrumentInterestRateEffectivePercentage

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger
us-gaap:FinancialInstrument

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss
us-gaap:FinancialInstrument

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months
us-gaap:FinancialInstrument

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss
us-gaap:FinancialInstrument
us-gaap:Range, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument, us-gaap:MeasurementInputType, us-gaap:ValuationTechnique
us-gaap:DebtSecuritiesAvailableForSaleMeasurementInput

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPosition
us-gaap:FinancialInstrument

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss
us-gaap:FinancialInstrument
us-gaap:FinancialInstrument
us-gaap:DeferredRevenue

us-gaap:Deposits
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis
us-gaap:FairValueByMeasurementBasis
us-gaap:FairValueByMeasurementBasis, hban:ReportedValueMeasurement

us-gaap:DerivativeAssetFairValueGrossLiabilityAndObligationToReturnCashOffset
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis
us-gaap:FairValueByMeasurementFrequency
us-gaap:Range, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument, us-gaap:MeasurementInputType, us-gaap:ValuationTechnique
us-gaap:DerivativeAssetMeasurementInput

us-gaap:DerivativeAssets
us-gaap:FairValueByMeasurementBasis
us-gaap:FairValueByMeasurementBasis, hban:ReportedValueMeasurement
us-gaap:FairValueByMeasurementFrequency
us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeAssetsLiabilitiesAtFairValueNet

us-gaap:DerivativeCollateralObligationToReturnCash

us-gaap:DerivativeCollateralObligationToReturnSecurities

us-gaap:DerivativeCollateralRightToReclaimCash

us-gaap:DerivativeCollateralRightToReclaimSecurities

us-gaap:DerivativeFairValueOfDerivativeAsset
us-gaap:BalanceSheetLocation
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral

us-gaap:DerivativeFairValueOfDerivativeLiability
us-gaap:BalanceSheetLocation
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral
us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeFairValueOfDerivativeNet
us-gaap:BalanceSheetLocation
us-gaap:DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAssetAtFairValue
us-gaap:BalanceSheetLocation
us-gaap:DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsLiabilityAtFairValue

us-gaap:DerivativeLiabilities
us-gaap:FairValueByMeasurementBasis
us-gaap:FairValueByMeasurementBasis, hban:ReportedValueMeasurement
us-gaap:FairValueByMeasurementFrequency

us-gaap:DerivativeLiabilityFairValueGrossAssetAndRightToReclaimCashOffset
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis
us-gaap:FairValueByMeasurementFrequency

us-gaap:DerivativeNotionalAmount
us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation
us-gaap:BalanceSheetLocation, us-gaap:HedgingDesignation
us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship
us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:UnderlyingAssetClass
us-gaap:UnderlyingAssetClass

us-gaap:EquitySecuritiesFvNi
us-gaap:FinancialInstrument
us-gaap:FinancialInstrument, us-gaap:StatementClassOfStock

us-gaap:EquitySecuritiesFvNiCost
us-gaap:FinancialInstrument
us-gaap:FinancialInstrument, us-gaap:StatementClassOfStock

us-gaap:FairValueHedgeLiabilitiesAtFairValue
us-gaap:FairValueByAssetClass
us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue

us-gaap:FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisWithUnobservableInputs
us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument
us-gaap:FairValueOptionAggregateDifferencesLoansAndLongTermReceivables
us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument, us-gaap:FinancingReceivablesPeriodPastDue

us-gaap:FinancingReceivableNonaccrualNoAllowance
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:CreditScoreFico, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:InternalCreditAssessment
us-gaap:CreditScoreFico, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableOriginatedFourYearsBeforeLatestFiscalYear
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:InternalCreditAssessment
us-gaap:CreditScoreFico, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableOriginatedInCurrentFiscalYear
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:InternalCreditAssessment
us-gaap:CreditScoreFico, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYear
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:InternalCreditAssessment
us-gaap:CreditScoreFico, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:InternalCreditAssessment
us-gaap:CreditScoreFico, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:InternalCreditAssessment

us-gaap:FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:FinancingReceivableRecordedInvestmentCurrent
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:FinancingReceivableRecordedInvestmentNonaccrualStatus
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:FinancingReceivableRecordedInvestmentPastDue
us-gaap:CreditScoreFico, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableRevolving
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:InternalCreditAssessment
us-gaap:BalanceSheetLocation
us-gaap:ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAssetAtFairValue
us-gaap:BalanceSheetLocation
us-gaap:ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsLiabilityAtFairValue
us-gaap:EquitySecuritiesByIndustry, us-gaap:FinancialInstrument
us-gaap:GuaranteeObligationsCurrentCarryingValue
us-gaap:FinancialInstrument

us-gaap:HedgedLiabilityFairValueHedgeCumulativeIncreaseDecrease

us-gaap:HeldToMaturitySecurities
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis
us-gaap:FairValueByMeasurementBasis
us-gaap:FairValueByMeasurementBasis, hban:ReportedValueMeasurement
us-gaap:FinancialInstrument

us-gaap:HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain
us-gaap:FinancialInstrument

us-gaap:HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss
us-gaap:FinancialInstrument

us-gaap:HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss
us-gaap:FinancialInstrument

us-gaap:HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss
us-gaap:FinancialInstrument

us-gaap:HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue
us-gaap:FinancialInstrument

us-gaap:HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss
us-gaap:FinancialInstrument

us-gaap:HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue
us-gaap:FinancialInstrument

us-gaap:HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue
us-gaap:FinancialInstrument

us-gaap:HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue

us-gaap:HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsNetCarryingAmount

us-gaap:HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue

us-gaap:HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsNetCarryingAmount

us-gaap:HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsFairValue

us-gaap:HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsNetCarryingAmount

us-gaap:HeldToMaturitySecuritiesFairValue
us-gaap:FinancialInstrument

us-gaap:InterestBearingDepositsInBanks
us-gaap:BalanceSheetLocation
us-gaap:InterestRateDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAssetAtFairValue
us-gaap:BalanceSheetLocation
us-gaap:InterestRateDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsLiabilityAtFairValue
us-gaap:BalanceSheetLocation
us-gaap:InterestRateFairValueHedgeAssetAtFairValue
us-gaap:BalanceSheetLocation
us-gaap:InterestRateFairValueHedgeLiabilityAtFairValue

us-gaap:LoansAndLeasesReceivableAllowance
us-gaap:FinancingReceivablePortfolioSegment

us-gaap:LoansAndLeasesReceivableCollateralForSecuredBorrowings

us-gaap:LoansAndLeasesReceivableDeferredIncome

us-gaap:LoansAndLeasesReceivableGrossCarryingAmount
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:LoansAndLeasesReceivableNetReportedAmount
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis
us-gaap:FairValueByMeasurementBasis
us-gaap:FairValueByMeasurementBasis, hban:ReportedValueMeasurement

us-gaap:LoansHeldForSaleFairValueDisclosure
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementBasis, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument, us-gaap:FinancingReceivablesPeriodPastDue

us-gaap:LoansReceivableFairValueDisclosure
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument
us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument, us-gaap:FinancingReceivablesPeriodPastDue
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:LoansReceivableHeldForSaleNetNotPartOfDisposalGroup
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis
us-gaap:FairValueByMeasurementBasis
us-gaap:FairValueByMeasurementBasis, hban:ReportedValueMeasurement
us-gaap:Range
us-gaap:LossContingencyEstimateOfPossibleLoss
us-gaap:CreditScoreFico, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:NotesReceivableGross
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:InternalCreditAssessment

us-gaap:OtherAssets

us-gaap:OtherIntangibleAssetsNet

us-gaap:OtherLiabilities

us-gaap:PledgedFinancialInstrumentsNotSeparatelyReportedSecuritiesForOtherDebtFacilities

us-gaap:PreferredStockSharesOutstanding

us-gaap:PreferredStockValue
us-gaap:BalanceSheetLocation
us-gaap:PriceRiskDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAssetAtFairValue
us-gaap:BalanceSheetLocation
us-gaap:PriceRiskDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsLiabilityAtFairValue
us-gaap:VariableInterestEntitiesByClassificationOfEntity
us-gaap:QualifiedAffordableHousingProjectInvestmentsCommitment

us-gaap:ResidualValueOfLeasedAsset
us-gaap:FinancialInstrument, hban:SensitivityAnalysisOfFairValueOfServicingRights
us-gaap:SensitivityAnalysisOfFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesImpactOf10PercentAdverseChangeInDiscountRate
us-gaap:FinancialInstrument, hban:SensitivityAnalysisOfFairValueOfServicingRights
us-gaap:SensitivityAnalysisOfFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesImpactOf10PercentAdverseChangeInPrepaymentSpeed
us-gaap:FinancialInstrument, hban:SensitivityAnalysisOfFairValueOfServicingRights
us-gaap:SensitivityAnalysisOfFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesImpactOf20PercentAdverseChangeInDiscountRate
us-gaap:FinancialInstrument, hban:SensitivityAnalysisOfFairValueOfServicingRights
us-gaap:SensitivityAnalysisOfFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesImpactOf20PercentAdverseChangeInPrepaymentSpeed
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:ServicingAssetAtFairValueAmount
us-gaap:FairValueByMeasurementFrequency
us-gaap:FinancialInstrument
us-gaap:Range, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument, us-gaap:MeasurementInputType, us-gaap:ValuationTechnique
us-gaap:ServicingAssetMeasurementInput

us-gaap:ShortTermBorrowings
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis
us-gaap:FairValueByMeasurementBasis
us-gaap:FairValueByMeasurementBasis, hban:ReportedValueMeasurement
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis
us-gaap:TradingSecurities
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument
us-gaap:FairValueByMeasurementBasis
us-gaap:FairValueByMeasurementBasis, hban:ReportedValueMeasurement
us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument

us-gaap:TradingSecuritiesDebt

us-gaap:TreasuryStockShares
us-gaap:VariableInterestEntitiesByClassificationOfEntity
us-gaap:VariableInterestEntityEntityMaximumLossExposureAmount
us-gaap:VariableInterestEntitiesByClassificationOfEntity
us-gaap:VariableInterestEntityNonconsolidatedCarryingAmountAssets
us-gaap:VariableInterestEntitiesByClassificationOfEntity
us-gaap:VariableInterestEntityNonconsolidatedCarryingAmountLiabilities

Tables

  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
us-gaap:CommonStockValue ▁▁▁▁█████101010101111111111
 us-gaap:SharesOutstanding us-gaap:StatementEquityComponents us-gaap:CommonStock▁▁▂▃▄▄▅██101810241037104210501050106511071105
us-gaap:CommonStockSharesOutstanding ▁▁▂▃▃▃▅██101410201032103710461046106111041101
us-gaap:CommonStockSharesAuthorized ▄▄▄▄▄▄▄▄▄150015001500150015001500150015001500
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding 1034NA105110601066NA110311231124
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic 1017NA103410441046NA108411031083
us-gaap:EarningsPerShareBasic ▁▇███▇█▇▇0.030.290.340.330.320.30.330.30.29
us-gaap:EarningsPerShareDiluted ▁▇███▇█▇▇0.030.280.340.330.320.290.330.30.28
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax ▄██▆▃▄▃▂▁227242240235222227223217214
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems,us-gaap:ProductOrService us-gaap:CorporateNonSegment,hban:InsuranceRevenue█▁▁█▁█▁▁█1000000.00.00.01000000.00.01000000.00.00.01000000.0
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems,us-gaap:ProductOrService,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,hban:CardsAndPaymentProcessingRevenue,hban:ConsumerAndBusinessBanking▅███▃▅▃▃▁525656565052504947
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems,us-gaap:ProductOrService,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,hban:ServiceChargesRevenue,hban:ConsumerAndBusinessBanking▁▆█▄▂▅▅▄▁687679736975757268
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems,us-gaap:ProductOrService,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,hban:TrustAndInvestmentManagementServicesRevenue,hban:RegionalBankingAndTheHuntingtonPrivateClientGroup██▃▃▆▁▃▆█363634343533343536
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,hban:CommercialBanking▆██▆▅▄▃▃▁273030272625232320
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,hban:ConsumerAndBusinessBanking▃▇█▆▂▅▄▃▁146158160154143152150146140
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,hban:RegionalBankingAndTheHuntingtonPrivateClientGroup▆█▁▃▆▃▂▁▇505246485048474651
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService hban:CardsAndPaymentProcessingRevenue▅███▄▅▄▃▁566060605355535249
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService hban:InsuranceRevenue▇█▂▇▄▄▁▄▄232420232121192121
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService hban:ServiceChargesRevenue▂▆█▄▂▅▅▄▁879598928793939186
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService hban:TrustAndInvestmentManagementServicesRevenue██▄▂▄▂▁▁▄474744434443424244
us-gaap:InterestExpense ▄▆███▆▅▄▁185231253256248223205188144
us-gaap:IncomeTaxExpenseBenefit ▁▇███▇▇▇▇105567636357625759
 us-gaap:IncomeTaxExpenseBenefit us-gaap:ConsolidationItems us-gaap:CorporateNonSegment█▂▂▁▂▁▂▃▄8-33-33-38-29-35-30-25-17
 us-gaap:IncomeTaxExpenseBenefit us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,hban:ConsumerAndBusinessBanking▁▆███▆▅▅▄163542434234333026
 us-gaap:IncomeTaxExpenseBenefit us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,hban:RegionalBankingAndTheHuntingtonPrivateClientGroup▁▄▄▄█▄▄▁█677787768
 us-gaap:IncomeTaxExpenseBenefit us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,hban:VehicleFinance3NA121210NA111111
us-gaap:IncomeTaxesPaidNet ▅▇█▅▅█▅▁▆25773-201601-12411
us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest █▂▇█▇▇▄▃▁531236470546512515317303178
us-gaap:NetIncomeLoss ▁▇███▇██▇48317372364358334378355326
 us-gaap:NetIncomeLoss us-gaap:ConsolidationItems us-gaap:CorporateNonSegment▇▁▂▁▄▁▆█▇39-15-3-158-11314937
 us-gaap:NetIncomeLoss us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,hban:ConsumerAndBusinessBanking▁▆███▆▅▅▄60130158162157127123114100
 us-gaap:NetIncomeLoss us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,hban:RegionalBankingAndTheHuntingtonPrivateClientGroup▃▄▄▅█▅▅▁▇242626273127272130
 us-gaap:NetIncomeLoss us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,hban:VehicleFinance11NA444539NA434342
 us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents us-gaap:RetainedEarnings▁▇███▇██▇48317372364358334378355326
us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic ▁▇███▇█▇▇30298354346339315360334314
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
us-gaap:Assets █▄▄▄▄▄▂▂▁113897109002108735108247108203108781105652105358104246
 us-gaap:Assets us-gaap:ConsolidationItems us-gaap:CorporateNonSegment█▆▆▆▇▃▁▃▄244842277222942230632359820502192622053421130
 us-gaap:Assets us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,hban:CommercialBanking█▃▃▃▃▄▃▁▁373183433734368340633374934818337593303632744
 us-gaap:Assets us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,hban:ConsumerAndBusinessBanking▁▁▂▂▂██▇▅249172507325418252932533427486273622701326346
 us-gaap:Assets us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,hban:VehicleFinance█▇▅▅▄▅▃▂▁204312015519414193461926319435188951859018138
us-gaap:Liabilities █▄▄▄▄▅▂▂▁1021289720796826965799677197679947189388692938
us-gaap:LiabilitiesAndStockholdersEquity █▄▄▄▄▄▂▂▁113897109002108735108247108203108781105652105358104246
us-gaap:StockholdersEquity ▇▇█▆▅▂▁▅▄117691179511909116681143211102109341147211308
 us-gaap:StockholdersEquity us-gaap:StatementEquityComponents us-gaap:AdditionalPaidInCapital▁▁▂▃▃▃▄██87288806898090309167918193581003810025
 us-gaap:StockholdersEquity us-gaap:StatementEquityComponents us-gaap:PreferredStock▄▄▄▄▄▄▄▄▄120312031203120312031203120312031203
 us-gaap:StockholdersEquity us-gaap:StatementEquityComponents us-gaap:RetainedEarnings▆█▇▆▅▄▃▂▁1657208819461750155113611196990780
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
us-gaap:PropertyPlantAndEquipmentNet ▁▂▃▃▄▄▇██743763775774784790827840847
us-gaap:Goodwill ▃▃▃▃▃▁███199019901990199019901989199319931993
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
us-gaap:LongTermDebt ███▃▅▁▅▇▁979698499874897394008625938597268618
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
us-gaap:StockholdersEquity ▇▇█▆▅▂▁▅▄117691179511909116681143211102109341147211308
 us-gaap:StockholdersEquity us-gaap:StatementEquityComponents us-gaap:AdditionalPaidInCapital▁▁▂▃▃▃▄██87288806898090309167918193581003810025
 us-gaap:StockholdersEquity us-gaap:StatementEquityComponents us-gaap:PreferredStock▄▄▄▄▄▄▄▄▄120312031203120312031203120312031203
 us-gaap:StockholdersEquity us-gaap:StatementEquityComponents us-gaap:RetainedEarnings▆█▇▆▅▄▃▂▁1657208819461750155113611196990780
us-gaap:CommonStockValue ▁▁▁▁█████101010101111111111
us-gaap:RetainedEarningsAccumulatedDeficit ▆█▇▆▅▄▃▂▁1657208819461750155113611196990780
us-gaap:TreasuryStockValue ███▇▄▄▄▃▁565655524545444034
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax █▅▅▅▃▂▁▁▂227-256-175-273-455-609-790-730-677
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
us-gaap:NetCashProvidedByUsedInOperatingActivities ▆█▁▄▆▇▇▄▄49867646355497582542308294
us-gaap:NetCashProvidedByUsedInInvestingActivities ▁▆██▇▅▇▇▇-4322-1114-184-64-515-1686-519-682-776
us-gaap:NetCashProvidedByUsedInFinancingActivities █▃▃▃▁▆▂▃▃4421-28176-29-13182477-10668731
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
us-gaap:NetCashProvidedByUsedInOperatingActivities ▆█▁▄▆▇▇▄▄49867646355497582542308294
us-gaap:NetIncomeLoss ▁▇███▇██▇48317372364358334378355326
 us-gaap:NetIncomeLoss us-gaap:ConsolidationItems us-gaap:CorporateNonSegment▇▁▂▁▄▁▆█▇39-15-3-158-11314937
 us-gaap:NetIncomeLoss us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,hban:ConsumerAndBusinessBanking▁▆███▆▅▅▄60130158162157127123114100
 us-gaap:NetIncomeLoss us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,hban:RegionalBankingAndTheHuntingtonPrivateClientGroup▃▄▄▅█▅▅▁▇242626273127272130
 us-gaap:NetIncomeLoss us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,hban:VehicleFinance11NA444539NA434342
 us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents us-gaap:RetainedEarnings▁▇███▇██▇48317372364358334378355326
us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet ▄▃▄▄▄▁▄█▄0-27-913-6-103-1137-1
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
us-gaap:NetCashProvidedByUsedInInvestingActivities ▁▆██▇▅▇▇▇-4322-1114-184-64-515-1686-519-682-776
us-gaap:PaymentsToAcquirePropertyPlantAndEquipment ▁▄▅▄▃█▃▃▂112531272448242216
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
us-gaap:NetCashProvidedByUsedInFinancingActivities █▃▃▃▁▆▂▃▃4421-28176-29-13182477-10668731
us-gaap:ProceedsFromIssuanceOfLongTermDebt █▁▆▁▆▁▅█▁12865988022835108790128051
us-gaap:RepaymentsOfLongTermDebt █▁▁▃▁▅▆▂▄154059235481138831181162572
us-gaap:PaymentsForRepurchaseOfCommonStock ▂▃▂▃▁▃█▁▁881966815225200691048
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
us-gaap:RepaymentsOfLongTermDebt █▁▁▃▁▅▆▂▄154059235481138831181162572
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument,us-gaap:LongtermDebtType hban:HuntingtonNationalBankSeniorNoteDueFebruary20231.8Percent,us-gaap:SeniorNotesNANANANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument,us-gaap:LongtermDebtType hban:HuntingtonNationalBankSeniorNoteDueFebruary420302.550Percent,us-gaap:SeniorNotesNANANANANANANANANA

Common Stock Value

us-gaap:CommonStockValue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-31
Value101010101111111111111010101010877788888888888888888887777
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Common Stock Par Or Stated Value Per Share

Shares Outstanding

us-gaap:StatementEquityComponents

us-gaap:SharesOutstanding

us-gaap:CommonStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302009-12-312008-12-31
Value101810241037104210501050106511071105107510841093108910881087801798796798805810813816818828832831831840844856859865865865864864864718716366
Percentage of SharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TreasuryStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302009-12-312008-12-31
Value-4-4-4-4-33-3-3-3-3-3-3-2-2-22-2-2-2-1-1-1-1-1-1-1-1-1-1-1-1-1-1-11000000
Percentage of SharesOutstanding-0.4-0.4-0.4-0.4-0.40.4-0.3-0.3-0.3-0.3-0.3-0.3-0.3-0.3-0.30.3-0.3-0.3-0.3-0.2-0.2-0.2-0.2-0.2-0.1-0.2-0.2-0.2-0.2-0.2-0.1-0.1-0.1-0.10.1-0.1-0.10.10.10.1-0.2

Shares Issued

Common Stock Shares Issued

Common Stock Shares Outstanding

us-gaap:CommonStockSharesOutstanding



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-31
Value101410201032103710461046106111041101107210801090108710851084799796794796803808811814817827830830829838842855858864864864863863863717716716715
Percentage of CommonStockSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Common Stock Shares Authorized

us-gaap:CommonStockSharesAuthorized



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-31
Value150015001500150015001500150015001500150015001500150015001500150015001500150015001500150015001500150015001500150015001500150015001500150015001500150015001500150010001000
Percentage of CommonStockSharesAuthorized100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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
Value10341051106010661103112311241106110811089528108088148208238298348428418438488630008678670719718
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
Value10171034104410461084110310831086108810869387987958008068098168218298308348418570008638630716716
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

us-gaap:EarningsPerShareBasic



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.030.290.340.330.320.30.330.30.290.380.240.230.170.20.120.190.210.210.180.230.190.190.180.190.170.180.210.170.170.190.190.170.170.140.160.160.140.050.10.030.01
Percentage of EarningsPerShareBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Diluted

us-gaap:EarningsPerShareDiluted



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.030.280.340.330.320.290.330.30.280.370.230.230.170.20.110.190.20.210.180.230.190.190.180.190.170.180.20.170.170.190.190.170.170.140.160.160.140.050.10.030.01
Percentage of EarningsPerShareDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Revenue From Contract With Customer Excluding Assessed Tax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value227242240235222227223217214
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value200310101
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.90.00.01.30.50.00.40.00.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.90.00.01.30.50.00.40.00.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:CorporateNonSegment100.00.00.0100.0100.00.0100.00.0100.0

us-gaap:ConsolidationItems, us-gaap:ProductOrService

us-gaap:CorporateNonSegment, hban:InsuranceRevenue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1000000.00.00.01000000.00.01000000.00.00.01000000.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.40.00.00.40.00.40.00.00.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.40.00.00.40.00.40.00.00.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:CorporateNonSegment hban:InsuranceRevenue100.00.00.0100.00.0100.00.00.0100.0

us-gaap:CorporateNonSegment, hban:OtherRevenue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value10020-1100
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.40.00.00.90.0-0.40.40.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.40.00.00.90.0-0.40.40.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:CorporateNonSegment hban:OtherRevenue100.00.00.0100.00.0100.0100.00.00.0

us-gaap:CorporateNonSegment, hban:TrustAndInvestmentManagementServicesRevenue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.00.00.00.01000000.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.00.00.50.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.00.00.50.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:CorporateNonSegment hban:TrustAndInvestmentManagementServicesRevenue0.00.00.00.0100.00.00.00.00.0

us-gaap:ConsolidationItems, us-gaap:ProductOrService, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, hban:CardsAndPaymentProcessingRevenue, hban:CommercialBanking



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value444433332
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.81.71.71.71.41.31.31.40.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.81.71.71.71.41.31.31.40.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments hban:CardsAndPaymentProcessingRevenue hban:CommercialBanking100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, hban:CardsAndPaymentProcessingRevenue, hban:ConsumerAndBusinessBanking



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value525656565052504947
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax22.923.123.323.822.522.922.422.622.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax22.923.123.323.822.522.922.422.622.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments hban:CardsAndPaymentProcessingRevenue hban:ConsumerAndBusinessBanking100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, hban:InsuranceRevenue, hban:CommercialBanking



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value212122111
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.90.40.80.40.90.90.40.50.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.90.40.80.40.90.90.40.50.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments hban:InsuranceRevenue hban:CommercialBanking100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, hban:InsuranceRevenue, hban:ConsumerAndBusinessBanking



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value8989888108
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.53.73.33.83.63.53.64.63.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.53.73.33.83.63.53.64.63.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments hban:InsuranceRevenue hban:ConsumerAndBusinessBanking100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, hban:InsuranceRevenue, hban:RegionalBankingAndTheHuntingtonPrivateClientGroup



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value121410121110101011
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.35.84.25.15.04.44.54.65.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.35.84.25.15.04.44.54.65.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments hban:InsuranceRevenue hban:RegionalBankingAndTheHuntingtonPrivateClientGroup100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, hban:OtherRevenue, hban:CommercialBanking



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value377553210
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.32.92.92.12.31.30.90.50.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.32.92.92.12.31.30.90.50.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments hban:OtherRevenue hban:CommercialBanking100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:OperatingSegments, hban:OtherRevenue, hban:ConsumerAndBusinessBanking



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value888888101010
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.53.33.33.43.63.54.54.64.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.53.33.33.43.63.54.54.64.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments hban:OtherRevenue hban:ConsumerAndBusinessBanking100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, hban:OtherRevenue, hban:RegionalBankingAndTheHuntingtonPrivateClientGroup



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value111134203
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.40.40.40.41.41.80.90.01.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.40.40.40.41.41.80.90.01.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments hban:OtherRevenue hban:RegionalBankingAndTheHuntingtonPrivateClientGroup100.0100.0100.0100.0100.0100.0100.00.0100.0

us-gaap:OperatingSegments, hban:OtherRevenue, hban:VehicleFinance



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value102111101
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.40.00.80.40.50.40.40.00.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.40.00.80.40.50.40.40.00.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments hban:OtherRevenue hban:VehicleFinance100.00.0100.0100.0100.0100.0100.00.0100.0

us-gaap:OperatingSegments, hban:ServiceChargesRevenue, hban:CommercialBanking



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value171616161616161616
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.56.66.76.87.27.07.27.47.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.56.66.76.87.27.07.27.47.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments hban:ServiceChargesRevenue hban:CommercialBanking100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, hban:ServiceChargesRevenue, hban:ConsumerAndBusinessBanking



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value687679736975757268
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax30.031.432.931.131.133.033.633.231.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax30.031.432.931.131.133.033.633.231.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments hban:ServiceChargesRevenue hban:ConsumerAndBusinessBanking100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, hban:ServiceChargesRevenue, hban:VehicleFinance



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value122211121
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.40.80.80.90.50.40.40.90.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.40.80.80.90.50.40.40.90.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments hban:ServiceChargesRevenue hban:VehicleFinance100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, hban:TrustAndInvestmentManagementServicesRevenue, hban:CommercialBanking



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value121101121
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.40.80.40.40.00.40.40.90.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.40.80.40.40.00.40.40.90.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments hban:TrustAndInvestmentManagementServicesRevenue hban:CommercialBanking100.0100.0100.0100.00.0100.0100.0100.0100.0

us-gaap:OperatingSegments, hban:TrustAndInvestmentManagementServicesRevenue, hban:ConsumerAndBusinessBanking



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1099889757
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.43.73.83.43.64.03.12.33.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.43.73.83.43.64.03.12.33.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments hban:TrustAndInvestmentManagementServicesRevenue hban:ConsumerAndBusinessBanking100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, hban:TrustAndInvestmentManagementServicesRevenue, hban:RegionalBankingAndTheHuntingtonPrivateClientGroup



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value363634343533343536
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax15.914.914.214.515.814.515.216.116.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax15.914.914.214.515.814.515.216.116.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments hban:TrustAndInvestmentManagementServicesRevenue hban:RegionalBankingAndTheHuntingtonPrivateClientGroup100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, hban:CommercialBanking



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value273030272625232320
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax11.912.412.511.511.711.010.310.69.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax11.912.412.511.511.711.010.310.69.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments hban:CommercialBanking100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, hban:ConsumerAndBusinessBanking



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value146158160154143152150146140
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax64.365.366.765.564.467.067.367.365.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax64.365.366.765.564.467.067.367.365.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments hban:ConsumerAndBusinessBanking100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, hban:RegionalBankingAndTheHuntingtonPrivateClientGroup



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value505246485048474651
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax22.021.519.220.422.521.121.121.223.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax22.021.519.220.422.521.121.121.223.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments hban:RegionalBankingAndTheHuntingtonPrivateClientGroup100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, hban:VehicleFinance



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value224322222
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.90.81.71.30.90.90.90.90.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.90.81.71.30.90.90.90.90.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments hban:VehicleFinance100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProductOrService

hban:CardsAndPaymentProcessingRevenue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value566060605355535249
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax24.724.825.025.523.924.223.824.022.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax24.724.825.025.523.924.223.824.022.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax hban:CardsAndPaymentProcessingRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0

hban:InsuranceRevenue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value232420232121192121
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax10.19.98.39.89.59.38.59.79.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax10.19.98.39.89.59.38.59.79.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax hban:InsuranceRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0

hban:OtherRevenue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value141618171715161114
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.26.67.57.27.76.67.25.16.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.26.67.57.27.76.67.25.16.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax hban:OtherRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0

hban:ServiceChargesRevenue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value879598928793939186
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax38.339.340.839.139.241.041.741.940.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax38.339.340.839.139.241.041.741.940.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax hban:ServiceChargesRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0

hban:TrustAndInvestmentManagementServicesRevenue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value474744434443424244
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax20.719.418.318.319.818.918.819.420.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax20.719.418.318.319.818.918.819.420.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax hban:TrustAndInvestmentManagementServicesRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0

Revenues

Interest Expense

us-gaap:InterestExpense



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value18523125325624822320518814412411410190796859544743393434343534393837414453586270848897112124135152
Percentage of InterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax81.595.5105.4108.9111.798.291.986.667.30.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Income Tax Expense Benefit

us-gaap:IncomeTaxExpenseBenefit



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value105567636357625759-20897859732454545547645457535752496252525428495241384834352913-38
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.422.727.926.828.425.127.826.327.60.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value8-33-33-38-29-35-30-25-17-144-57-70-67-89-95-37-25-32-36-25
Percentage of IncomeTaxExpenseBenefit80.0-60.0-49.3-60.3-46.0-61.4-48.4-43.9-28.8724.5-63.5-89.5-114.3-120.7-384.5-68.8-46.5-59.2-78.7-39.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.5-13.6-13.8-16.2-13.1-15.4-13.5-11.5-7.90.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:CorporateNonSegment400.00.00.0-1266.7-2900.00.0-3000.00.0-1700.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, hban:CommercialBanking



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-31
Value-23343939324141353110642483736292711152858
Percentage of IncomeTaxExpenseBenefit-230.061.858.261.950.871.966.161.452.5-534.747.161.463.149.9119.051.421.827.161.0103.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-10.114.016.216.614.418.118.416.114.50.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments hban:CommercialBanking-85.2113.3130.0144.4123.1164.0178.3152.2155.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, hban:ConsumerAndBusinessBanking



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value1635424342343330261761614766573632
Percentage of IncomeTaxExpenseBenefit160.063.662.768.366.759.653.252.644.1-88.668.677.979.690.1232.467.958.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.014.517.518.318.915.014.813.812.10.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments hban:ConsumerAndBusinessBanking11.022.226.227.929.422.422.020.518.60.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, hban:RegionalBankingAndTheHuntingtonPrivateClientGroup



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-31
Value67778776881312911966-569
Percentage of IncomeTaxExpenseBenefit60.012.710.411.112.712.311.310.513.6-44.714.516.316.515.439.811.811.2-9.613.417.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.62.92.93.03.63.13.12.83.70.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments hban:RegionalBankingAndTheHuntingtonPrivateClientGroup12.013.515.214.616.014.614.913.015.70.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, hban:VehicleFinance



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value3121210111111181922
Percentage of IncomeTaxExpenseBenefit30.017.919.015.917.719.318.620.024.237.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.35.05.14.54.95.15.10.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments hban:VehicleFinance150.0300.0400.0500.0550.0550.0550.00.00.00.0

Income Taxes Paid Net

us-gaap:IncomeTaxesPaidNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value25773-201601-124111216531102136298705229570949463001311253012270-1480
Percentage of IncomeTaxesPaidNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.923.630.4-8.50.526.40.4-57.15.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Comprehensive Income Net Of Tax

Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value5312364705465125153173031783662543122181088207230911981712271231322061611742312614210121917416933185227120
Percentage of ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax233.997.5195.8232.3230.6226.9142.2139.683.20.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Income Loss

us-gaap:NetIncomeLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value483173723643583343783553264322742712082381271741711781521961651631551641491571781501511671671521531261431451261221004839
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax21.1131.0155.0154.9161.3147.1169.5163.6152.30.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value39-15-3-158-113149372001-5-27-64-9542113-330
Percentage of NetIncomeLoss81.2-4.7-0.8-4.12.2-3.38.213.811.346.40.5-1.9-13.4-26.8-75.32.512.77.8-2.215.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax17.2-6.2-1.2-6.43.6-4.813.922.617.30.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:CorporateNonSegment1950.00.00.0-500.0800.00.03100.00.03700.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, hban:CommercialBanking



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-31
Value-86132147145123154154128117199788969685451222753109
Percentage of NetIncomeLoss-179.241.639.539.834.446.140.736.135.946.128.633.033.428.743.129.713.015.734.966.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-37.954.561.361.755.467.869.159.054.70.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments hban:CommercialBanking-318.5440.0490.0537.0473.1616.0669.6556.5585.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, hban:ConsumerAndBusinessBanking



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value6013015816215712712311410031114113871231066860
Percentage of NetIncomeLoss125.041.042.544.543.938.032.532.130.77.341.741.942.151.884.139.235.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax26.453.765.868.970.755.955.252.546.70.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments hban:ConsumerAndBusinessBanking41.182.398.8105.2109.883.682.078.171.40.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, hban:RegionalBankingAndTheHuntingtonPrivateClientGroup



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-31
Value2426262731272721301724231821181111-91118
Percentage of NetIncomeLoss50.08.27.07.48.78.17.15.99.23.98.88.88.78.814.46.86.7-5.67.711.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax10.610.710.811.514.011.912.19.714.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments hban:RegionalBankingAndTheHuntingtonPrivateClientGroup48.050.056.556.262.056.257.445.758.80.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, hban:VehicleFinance



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value11444539434342343640
Percentage of NetIncomeLoss22.911.812.410.911.412.112.912.413.219.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.818.319.117.619.319.819.60.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments hban:VehicleFinance550.01100.01500.01950.02150.02150.02100.00.00.00.0

us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value483173723643583343783553264312742712082381271741711781521961651631551641491571781501511671671521531261431451261221004839
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.099.9100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax21.1131.0155.0154.9161.3147.1169.5163.6152.30.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Income Loss Available To Common Stockholders Basic

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value3029835434633931536033431441325525218922010815416317014418815715514715614114917014214315915914414511913513811839711910
Percentage of NetIncomeLossAvailableToCommonStockholdersBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax13.2123.1147.5147.2152.7138.8161.4153.9146.70.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Income Loss Available To Common Stockholders Diluted

Assets

us-gaap:Assets



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-31
Value11389710900210873510824710820310878110565210535810424610418510198810140610004599714100765739547264471044702106884568002662986433063797611455947656648561135605456153564435662255876544505497853050529485381953246517705186651554
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value24484227722294223063235982050219262205342113022161213802156221305213631940013021
Percentage of Assets21.520.921.121.321.818.818.219.520.321.321.021.321.321.419.318.3
Percentage of Assets21.520.921.121.321.818.818.219.520.321.321.021.321.321.419.318.3
Percentage of Assets us-gaap:CorporateNonSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, hban:CommercialBanking



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-31
Value37318343373436834063337493481833759330363274432118241992402124233239182540717947179541694315043
Percentage of Assets32.831.531.631.531.232.032.031.431.430.823.723.724.224.025.224.324.723.822.7
Percentage of Assets32.831.531.631.531.232.032.031.431.430.823.723.724.224.025.224.324.723.822.7
Percentage of Assets us-gaap:OperatingSegments hban:CommercialBanking100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, hban:ConsumerAndBusinessBanking



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value249172507325418252932533427486273622701326346262202598925820217472179615759
Percentage of Assets21.923.023.423.423.425.325.925.625.325.225.525.521.721.922.2
Percentage of Assets21.923.023.423.423.425.325.925.625.325.225.525.521.721.922.2
Percentage of Assets us-gaap:OperatingSegments hban:ConsumerAndBusinessBanking100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, hban:RegionalBankingAndTheHuntingtonPrivateClientGroup



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-31
Value6747666565936482625965406374618558885821569555705280555355224476432434583871
Percentage of Assets5.96.16.16.05.86.06.05.95.65.65.65.55.35.65.56.16.04.95.8
Percentage of Assets5.96.16.16.05.86.06.05.95.65.65.65.55.35.65.56.16.04.95.8
Percentage of Assets us-gaap:OperatingSegments hban:RegionalBankingAndTheHuntingtonPrivateClientGroup100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, hban:VehicleFinance



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value20431201551941419346192631943518895185901813817865
Percentage of Assets17.918.517.917.917.817.917.917.617.417.1
Percentage of Assets17.918.517.917.917.817.917.917.617.417.1
Percentage of Assets us-gaap:OperatingSegments hban:VehicleFinance100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Liabilities

us-gaap:Liabilities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-31
Value1021289720796826965799677197679947189388692938933719128990752896088940590378664466548764449636276234961540599695804657556549695337750686503305018750362506355097350326490324957847797479094883947679463324649746218
Percentage of Liabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets89.789.289.089.289.489.889.789.189.289.689.589.589.689.789.789.890.190.790.690.690.590.590.290.289.989.789.589.789.589.789.790.090.190.090.290.190.590.789.589.589.689.6

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-31
Value11389710900210873510824710820310878110565210535810424610418510198810140610004599714100765739547264471044702106884568002662986433063797611455947656648561135605456153564435662255876544505497853050529485381953246517705186651554
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Stockholders Equity

us-gaap:StockholdersEquity



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value11769117951190911668114321110210934114721130810814106981065410437103081038675077157659465826496646163286284624061766099596157835867579058075649554954185400525250384980556754385369533672285951
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets10.310.811.010.810.610.210.310.910.810.410.510.510.410.310.310.29.99.39.49.49.59.59.89.810.110.310.510.310.510.310.310.09.910.09.89.99.59.310.510.510.410.40.00.0

us-gaap:FinancialInstrument, us-gaap:StatementEquityComponents

us-gaap:DebtSecurities, us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-31
Value145-28-14-83-217-363-543-482-428-278-166-193
Percentage of StockholdersEquity1.2-0.2-0.1-0.7-1.9-3.3-5.0-4.2-3.8-2.6-1.6-1.9
Percentage of Assets0.1-0.0-0.0-0.1-0.2-0.3-0.5-0.5-0.4-0.3-0.2-0.2
Percentage of Assets us-gaap:DebtSecurities us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss0.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:EquitySecurities, us-gaap:AociDerivativeQualifyingAsHedgeExcludedComponentParent



Period End2020-03-312019-09-302019-06-302019-03-312018-12-31
Value331825470
Percentage of StockholdersEquity2.80.70.50.10.0
Percentage of Assets0.30.10.00.00.0
Percentage of Assets us-gaap:EquitySecurities us-gaap:AociDerivativeQualifyingAsHedgeExcludedComponentParent0.00.00.00.00.0

us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value-249-251-243-244-245-246-247-248-249-250-203-204-205-205-228-229-229-230-226-223-224-225-156
Percentage of StockholdersEquity-2.1-2.1-2.0-2.1-2.1-2.2-2.3-2.2-2.2-2.3-1.9-1.9-2.0-2.0-2.2-3.1-3.2-3.5-3.4-3.4-3.5-3.6-2.6
Percentage of Assets-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.3-0.3-0.3-0.3-0.3-0.3-0.3-0.3
Percentage of Assets us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value227-256-175-273-455-609-790-730-677-528-369-350-390-401-172-134-167-226-139-185-160-222-182-159-201-214-230-283-159-150-84-135-157-173-80-122-203-197-28-84-133-156-326-49
Percentage of StockholdersEquity1.9-2.2-1.5-2.3-4.0-5.5-7.2-6.4-6.0-4.9-3.5-3.3-3.7-3.9-1.7-1.8-2.3-3.4-2.1-2.9-2.5-3.5-2.9-2.6-3.3-3.5-3.9-4.9-2.7-2.6-1.5-2.4-2.8-3.2-1.5-2.3-4.0-4.0-0.5-1.6-2.5-2.9-4.5-0.8
Percentage of Assets0.2-0.2-0.2-0.3-0.4-0.6-0.7-0.7-0.6-0.5-0.4-0.3-0.4-0.4-0.2-0.2-0.2-0.3-0.2-0.3-0.2-0.3-0.3-0.3-0.3-0.4-0.4-0.5-0.3-0.3-0.1-0.2-0.3-0.3-0.1-0.2-0.4-0.4-0.1-0.2-0.3-0.30.00.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value8728880689809030916791819358100381002597079820992098989881986370747050703870537109718572217243727973727398738773907451747575517569760275967594758875847630674367396735673153225237
Percentage of StockholdersEquity74.274.775.477.480.282.785.687.588.789.891.893.194.895.995.094.298.5106.7107.2109.4111.2114.1115.3116.6119.4121.3123.9127.8127.0129.1130.0134.0137.0140.2140.6144.5150.5153.2121.1123.9125.4126.273.688.0
Percentage of Assets7.78.18.38.38.58.48.99.59.69.39.69.89.99.99.89.69.79.910.010.310.610.911.311.412.112.413.013.213.313.313.413.413.614.013.814.314.314.212.713.013.013.10.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value10101010111111111111101010101087778888888888888888888777733
Percentage of StockholdersEquity0.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.20.20.20.20.20.20.20.10.10.10.10.10.1
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:PreferredStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value120312031203120312031203120312031203107110711071107110711071971772386386386386
Percentage of StockholdersEquity10.210.210.110.310.510.811.010.510.69.910.010.110.310.410.312.910.85.95.95.96.1
Percentage of Assets1.11.11.11.11.11.11.11.11.21.01.11.11.11.11.11.31.10.50.60.60.6
Percentage of Assets us-gaap:PreferredStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value165720881946175015511361119699078058820133-126-226-359-390-487-594-708-804-943-1052-1159-1264-1379-1470-1578-1706-1807-1917-2043-2168-2279-2389-2474-2574-2704-2814-2846-2910-2922-2922367773
Percentage of StockholdersEquity14.117.716.315.013.612.310.98.66.95.41.90.3-1.2-2.2-3.5-5.2-6.8-9.0-10.8-12.4-14.6-16.6-18.4-20.3-22.3-24.1-26.5-29.5-30.8-33.1-35.2-38.4-41.1-44.1-45.8-49.0-53.7-56.5-51.1-53.5-54.4-54.85.113.0
Percentage of Assets1.51.91.81.61.41.31.10.90.70.60.20.0-0.1-0.2-0.4-0.5-0.7-0.8-1.0-1.2-1.4-1.6-1.8-2.0-2.3-2.5-2.8-3.0-3.2-3.4-3.6-3.8-4.1-4.4-4.5-4.9-5.1-5.2-5.3-5.6-5.6-5.70.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TreasuryStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value-56-56-55-52-45-45-44-40-34-35-35-31-26-27-26-21-18-17-17-17-13-13-12-9-8-9-10-10-11-10-10-10-10-10-10-9-8-8-8-9-9-11-15-14
Percentage of StockholdersEquity-0.5-0.5-0.5-0.4-0.4-0.4-0.4-0.3-0.3-0.3-0.3-0.3-0.3-0.3-0.3-0.3-0.3-0.3-0.3-0.3-0.2-0.2-0.2-0.1-0.1-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2
Percentage of Assets-0.0-0.1-0.1-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.00.00.0
Percentage of Assets us-gaap:TreasuryStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Cash And Cash Equivalents At Carrying Value

Property Plant And Equipment Gross

Accumulated Depreciation Depletion And Amortization Property Plant And Equipment

Property Plant And Equipment Net

us-gaap:PropertyPlantAndEquipmentNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-31
Value743763775774784790827840847864853855852815828596611620620615607616613622628634639626620617590583577564543528500491489492491496
Percentage of PropertyPlantAndEquipmentNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.70.70.70.70.70.70.80.80.80.80.80.80.90.80.80.80.80.90.90.90.90.91.01.01.01.11.11.11.11.11.01.01.01.01.01.00.90.90.91.00.91.0

Goodwill

us-gaap:Goodwill



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-31
Value199019901990199019901989199319931993199319921992199219922004676676676676678678522522505505444444444444444444444444444444444444444444444444444
Percentage of Goodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.71.81.81.81.81.81.91.91.91.92.02.02.02.02.00.90.91.01.01.01.00.80.80.80.80.70.80.80.80.80.80.80.80.80.80.80.80.80.80.90.90.9

Finite Lived Intangible Assets Net

Deferred Tax Assets Liabilities Net

Long Term Debt

us-gaap:LongTermDebt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value97969849987489739400862593859726861892069200853692798309899879297935706763595854515843352458
Percentage of LongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets8.69.09.18.38.77.98.99.28.38.89.08.49.38.38.910.710.99.99.18.57.66.54.1

Stockholders Equity

us-gaap:StockholdersEquity



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value11769117951190911668114321110210934114721130810814106981065410437103081038675077157659465826496646163286284624061766099596157835867579058075649554954185400525250384980556754385369533672285951
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets10.310.811.010.810.610.210.310.910.810.410.510.510.410.310.310.29.99.39.49.49.59.59.89.810.110.310.510.310.510.310.310.09.910.09.89.99.59.310.510.510.410.40.00.0

us-gaap:FinancialInstrument, us-gaap:StatementEquityComponents

us-gaap:DebtSecurities, us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-31
Value145-28-14-83-217-363-543-482-428-278-166-193
Percentage of StockholdersEquity1.2-0.2-0.1-0.7-1.9-3.3-5.0-4.2-3.8-2.6-1.6-1.9
Percentage of Assets0.1-0.0-0.0-0.1-0.2-0.3-0.5-0.5-0.4-0.3-0.2-0.2
Percentage of Assets us-gaap:DebtSecurities us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss0.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:EquitySecurities, us-gaap:AociDerivativeQualifyingAsHedgeExcludedComponentParent



Period End2020-03-312019-09-302019-06-302019-03-312018-12-31
Value331825470
Percentage of StockholdersEquity2.80.70.50.10.0
Percentage of Assets0.30.10.00.00.0
Percentage of Assets us-gaap:EquitySecurities us-gaap:AociDerivativeQualifyingAsHedgeExcludedComponentParent0.00.00.00.00.0

us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value-249-251-243-244-245-246-247-248-249-250-203-204-205-205-228-229-229-230-226-223-224-225-156
Percentage of StockholdersEquity-2.1-2.1-2.0-2.1-2.1-2.2-2.3-2.2-2.2-2.3-1.9-1.9-2.0-2.0-2.2-3.1-3.2-3.5-3.4-3.4-3.5-3.6-2.6
Percentage of Assets-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.3-0.3-0.3-0.3-0.3-0.3-0.3-0.3
Percentage of Assets us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value227-256-175-273-455-609-790-730-677-528-369-350-390-401-172-134-167-226-139-185-160-222-182-159-201-214-230-283-159-150-84-135-157-173-80-122-203-197-28-84-133-156-326-49
Percentage of StockholdersEquity1.9-2.2-1.5-2.3-4.0-5.5-7.2-6.4-6.0-4.9-3.5-3.3-3.7-3.9-1.7-1.8-2.3-3.4-2.1-2.9-2.5-3.5-2.9-2.6-3.3-3.5-3.9-4.9-2.7-2.6-1.5-2.4-2.8-3.2-1.5-2.3-4.0-4.0-0.5-1.6-2.5-2.9-4.5-0.8
Percentage of Assets0.2-0.2-0.2-0.3-0.4-0.6-0.7-0.7-0.6-0.5-0.4-0.3-0.4-0.4-0.2-0.2-0.2-0.3-0.2-0.3-0.2-0.3-0.3-0.3-0.3-0.4-0.4-0.5-0.3-0.3-0.1-0.2-0.3-0.3-0.1-0.2-0.4-0.4-0.1-0.2-0.3-0.30.00.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value8728880689809030916791819358100381002597079820992098989881986370747050703870537109718572217243727973727398738773907451747575517569760275967594758875847630674367396735673153225237
Percentage of StockholdersEquity74.274.775.477.480.282.785.687.588.789.891.893.194.895.995.094.298.5106.7107.2109.4111.2114.1115.3116.6119.4121.3123.9127.8127.0129.1130.0134.0137.0140.2140.6144.5150.5153.2121.1123.9125.4126.273.688.0
Percentage of Assets7.78.18.38.38.58.48.99.59.69.39.69.89.99.99.89.69.79.910.010.310.610.911.311.412.112.413.013.213.313.313.413.413.614.013.814.314.314.212.713.013.013.10.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value10101010111111111111101010101087778888888888888888888777733
Percentage of StockholdersEquity0.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.20.20.20.20.20.20.20.10.10.10.10.10.1
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:PreferredStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value120312031203120312031203120312031203107110711071107110711071971772386386386386
Percentage of StockholdersEquity10.210.210.110.310.510.811.010.510.69.910.010.110.310.410.312.910.85.95.95.96.1
Percentage of Assets1.11.11.11.11.11.11.11.11.21.01.11.11.11.11.11.31.10.50.60.60.6
Percentage of Assets us-gaap:PreferredStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value165720881946175015511361119699078058820133-126-226-359-390-487-594-708-804-943-1052-1159-1264-1379-1470-1578-1706-1807-1917-2043-2168-2279-2389-2474-2574-2704-2814-2846-2910-2922-2922367773
Percentage of StockholdersEquity14.117.716.315.013.612.310.98.66.95.41.90.3-1.2-2.2-3.5-5.2-6.8-9.0-10.8-12.4-14.6-16.6-18.4-20.3-22.3-24.1-26.5-29.5-30.8-33.1-35.2-38.4-41.1-44.1-45.8-49.0-53.7-56.5-51.1-53.5-54.4-54.85.113.0
Percentage of Assets1.51.91.81.61.41.31.10.90.70.60.20.0-0.1-0.2-0.4-0.5-0.7-0.8-1.0-1.2-1.4-1.6-1.8-2.0-2.3-2.5-2.8-3.0-3.2-3.4-3.6-3.8-4.1-4.4-4.5-4.9-5.1-5.2-5.3-5.6-5.6-5.70.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TreasuryStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value-56-56-55-52-45-45-44-40-34-35-35-31-26-27-26-21-18-17-17-17-13-13-12-9-8-9-10-10-11-10-10-10-10-10-10-9-8-8-8-9-9-11-15-14
Percentage of StockholdersEquity-0.5-0.5-0.5-0.4-0.4-0.4-0.4-0.3-0.3-0.3-0.3-0.3-0.3-0.3-0.3-0.3-0.3-0.3-0.3-0.3-0.2-0.2-0.2-0.1-0.1-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2
Percentage of Assets-0.0-0.1-0.1-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.00.00.0
Percentage of Assets us-gaap:TreasuryStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Common Stock Value

us-gaap:CommonStockValue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-31
Value101010101111111111111010101010877788888888888888888887777
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Retained Earnings Accumulated Deficit

us-gaap:RetainedEarningsAccumulatedDeficit



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-31
Value165720881946175015511361119699078058820133-126-226-359-390-487-594-708-804-943-1052-1159-1264-1379-1470-1578-1706-1807-1917-2043-2168-2279-2389-2474-2574-2704-2814-2846-2910-2922-2922
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.51.91.81.61.41.31.10.90.70.60.20.0-0.1-0.2-0.4-0.5-0.7-0.8-1.0-1.2-1.4-1.6-1.8-2.0-2.3-2.5-2.8-3.0-3.2-3.4-3.6-3.8-4.1-4.4-4.5-4.9-5.1-5.2-5.3-5.6-5.6-5.7

Treasury Stock Value

us-gaap:TreasuryStockValue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-31
Value565655524545444034353531262726211817171713131298910101110101010101098889911
Percentage of TreasuryStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.10.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Accumulated Other Comprehensive Income Loss Net Of Tax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value227-256-175-273-455-609-790-730-677-528-369-350-390-401-172-134-167-226-139-185-160-222-182-159-201-214-230-283-159-150-84-135-157-173-80-122-203-197-28-84-133-156-326
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.2-0.2-0.2-0.3-0.4-0.6-0.7-0.7-0.6-0.5-0.4-0.3-0.4-0.4-0.2-0.2-0.2-0.3-0.2-0.3-0.2-0.3-0.3-0.3-0.3-0.4-0.4-0.5-0.3-0.3-0.1-0.2-0.3-0.3-0.1-0.2-0.4-0.4-0.1-0.2-0.3-0.30.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value4986764635549758254230829484754716239552939994191632314104-18259246226155199404197211327113283277208196435754-2581468316
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax219.4279.319.2151.1223.9256.4243.0141.9137.40.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-4322-1114-184-64-515-1686-519-682-776-2164-1121-843-737-585-263-1006-1589-1668-1737-353-1168-1471-186-2390-956-3027-606-90-515529-108-700-803-686-543-416341-942-1271-437-125
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-1904.0-460.3-76.7-27.2-232.0-742.7-232.7-314.3-362.60.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value4421-28176-29-13182477-106687311642252886265-221659962136685910677288661552-3982409772272131658-130-391-426524521-5951553-243-7356761203-215-401
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1947.6-11.673.3-12.3-593.71091.2-47.5316.614.50.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value4986764635549758254230829484754716239552939994191632314104-18259246226155199404197211327113283277208196435754-2581468316
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax219.4279.319.2151.1223.9256.4243.0141.9137.40.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Income Loss

us-gaap:NetIncomeLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value483173723643583343783553264322742712082381271741711781521961651631551641491571781501511671671521531261431451261221004839
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax21.1131.0155.0154.9161.3147.1169.5163.6152.30.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value39-15-3-158-113149372001-5-27-64-9542113-330
Percentage of NetIncomeLoss81.2-4.7-0.8-4.12.2-3.38.213.811.346.40.5-1.9-13.4-26.8-75.32.512.77.8-2.215.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax17.2-6.2-1.2-6.43.6-4.813.922.617.30.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:CorporateNonSegment1950.00.00.0-500.0800.00.03100.00.03700.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, hban:CommercialBanking



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-31
Value-86132147145123154154128117199788969685451222753109
Percentage of NetIncomeLoss-179.241.639.539.834.446.140.736.135.946.128.633.033.428.743.129.713.015.734.966.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-37.954.561.361.755.467.869.159.054.70.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments hban:CommercialBanking-318.5440.0490.0537.0473.1616.0669.6556.5585.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, hban:ConsumerAndBusinessBanking



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value6013015816215712712311410031114113871231066860
Percentage of NetIncomeLoss125.041.042.544.543.938.032.532.130.77.341.741.942.151.884.139.235.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax26.453.765.868.970.755.955.252.546.70.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments hban:ConsumerAndBusinessBanking41.182.398.8105.2109.883.682.078.171.40.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, hban:RegionalBankingAndTheHuntingtonPrivateClientGroup



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-31
Value2426262731272721301724231821181111-91118
Percentage of NetIncomeLoss50.08.27.07.48.78.17.15.99.23.98.88.88.78.814.46.86.7-5.67.711.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax10.610.710.811.514.011.912.19.714.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments hban:RegionalBankingAndTheHuntingtonPrivateClientGroup48.050.056.556.262.056.257.445.758.80.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, hban:VehicleFinance



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value11444539434342343640
Percentage of NetIncomeLoss22.911.812.410.911.412.112.912.413.219.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.818.319.117.619.319.819.60.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments hban:VehicleFinance550.01100.01500.01950.02150.02150.02100.00.00.00.0

us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value483173723643583343783553264312742712082381271741711781521961651631551641491571781501511671671521531261431451261221004839
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.099.9100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax21.1131.0155.0154.9161.3147.1169.5163.6152.30.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Increase Decrease In Other Operating Capital Net

us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value0-27-913-6-103-1137-1-4-1-5-5-25524-95113
Percentage of IncreaseDecreaseInOtherOperatingCapitalNet0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-4322-1114-184-64-515-1686-519-682-776-2164-1121-843-737-585-263-1006-1589-1668-1737-353-1168-1471-186-2390-956-3027-606-90-515529-108-700-803-686-543-416341-942-1271-437-125
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-1904.0-460.3-76.7-27.2-232.0-742.7-232.7-314.3-362.60.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Payments To Acquire Property Plant And Equipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value11253127244824221649325755564371224252913278111013392523462726294130452622131813
Percentage of PaymentsToAcquirePropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value4421-28176-29-13182477-106687311642252886265-221659962136685910677288661552-3982409772272131658-130-391-426524521-5951553-243-7356761203-215-401
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1947.6-11.673.3-12.3-593.71091.2-47.5316.614.50.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Proceeds From Issuance Of Long Term Debt

us-gaap:ProceedsFromIssuanceOfLongTermDebt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value1286598802283510879012805142712311029461029271024905580751995
Percentage of ProceedsFromIssuanceOfLongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Repayments Of Long Term Debt

us-gaap:RepaymentsOfLongTermDebt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value1540592354811388311811625726539795475904286019514110639750
Percentage of RepaymentsOfLongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Payments Of Dividends

Payments Of Dividends

Payments For Repurchase Of Common Stock

us-gaap:PaymentsForRepurchaseOfCommonStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value88196681522520069104813612300000028729951
Percentage of PaymentsForRepurchaseOfCommonStock100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.00.00.00.00.00.00.0100.0100.0100.0100.0

Repayments Of Long Term Debt

us-gaap:RepaymentsOfLongTermDebt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value1540592354811388311811625726539795475904286019514110639750
Percentage of RepaymentsOfLongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Debt Instrument Interest Rate Stated Percentage

us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:DebtInstrumentInterestRateStatedPercentage

hban:HuntingtonNationalBankSeniorNoteDueFebruary20231.8Percent, us-gaap:SeniorNotes



Period End2020-01-28
Value0.018
Percentage of DebtInstrumentInterestRateStatedPercentage100.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.0
Percentage of LongTermDebtAndCapitalLeaseObligations hban:HuntingtonNationalBankSeniorNoteDueFebruary20231.8Percent us-gaap:SeniorNotes0.0

hban:HuntingtonNationalBankSeniorNoteDueFebruary420302.550Percent, us-gaap:SeniorNotes



Period End2020-01-28
Value0.0255
Percentage of DebtInstrumentInterestRateStatedPercentage141.7
Percentage of LongTermDebtAndCapitalLeaseObligations0.0
Percentage of LongTermDebtAndCapitalLeaseObligations hban:HuntingtonNationalBankSeniorNoteDueFebruary420302.550Percent us-gaap:SeniorNotes0.0

Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number

Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price

Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period

Share Based Compensation

us-gaap:ShareBasedCompensation



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value151916311719152915192053-11720161112131411101013999987775
Percentage of ShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Liabilities

Unrecognized Tax Benefits

Deferred Tax Assets Valuation Allowance

Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions

Cash And Cash Equivalents Period Increase Decrease

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents



Period End2020-03-312019-12-312019-03-312018-12-312017-12-312016-12-31
Value176711701336267215201385
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0

Proceeds From Repayments Of Short Term Debt

us-gaap:ProceedsFromRepaymentsOfShortTermDebt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value458390-19611381776588-1034-398-21813236-27033271-24331536-9721483-147-852-77-531-357-865280-133836-10045-45154-64840-40170-774176-567323572652113
Percentage of ProceedsFromRepaymentsOfShortTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

hban:AccruedIncomeAndOtherAssets



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value1023-69198180284-90155-6723728378111-54-73725641174011758281498621-5727-21118-312-20544
Percentage of AccruedIncomeAndOtherAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

hban:AdditionstoUnfundedLoanCommitmentsandLettersofCreditAllowance



Period End2020-03-312016-12-312016-09-302015-12-312015-09-30
Value-10400
Percentage of AdditionstoUnfundedLoanCommitmentsandLettersofCreditAllowance100.00.0100.00.00.0

us-gaap:FinancingReceivablePortfolioSegment

us-gaap:CommercialPortfolioSegment



Period End2020-03-312016-12-312016-09-302015-12-312015-09-30
Value-10400
Percentage of AdditionstoUnfundedLoanCommitmentsandLettersofCreditAllowance100.00.0100.00.00.0

hban:CapitalMarketsFeeIncome



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value33313634222922211923211614181413131312131313101091212128121113991186
Percentage of CapitalMarketsFeeIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

hban:ElectronicBanking



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value586364635658575653525352474944393654303822727262324242320212220181832312828282825
Percentage of ElectronicBanking100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueByAssetClass

hban:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetRepayments

us-gaap:RealEstateLoan



Period End2020-03-312019-09-302019-03-312018-09-30
Value0112
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetRepayments0.0100.0100.0100.0

hban:Fairvaluehedgingadjustments



Period End2020-03-312019-12-312019-09-302019-06-302019-03-31
Value84-112149-119
Percentage of Fairvaluehedgingadjustments100.0100.0100.0100.0100.0

hban:FeesandCommissionsServiceChargesonDepositAccounts



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value8795989287949391869191
Percentage of FeesandCommissionsServiceChargesonDepositAccounts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

hban:FeesandCommissionsTrustandInvestmentManagementServices



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value4747444344424342444139
Percentage of FeesandCommissionsTrustandInvestmentManagementServices100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

hban:FinancePrincipalLeasePayments



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value17117020416817200
Percentage of FinancePrincipalLeasePayments100.0100.0100.0100.0100.00.00.0

hban:FinancingReceivableModificationsEffectofModification



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value9310-3-4-10-323-1-7-117040984122
Percentage of FinancingReceivableModificationsEffectofModification100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

hban:IncreaseDecreaseToNetInterestIncomeDueToDerivativeAdjustment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value16-14-16-15-141-11-15133610141819212828262424242424222325252628272424272833414348
Percentage of IncreaseDecreaseToNetInterestIncomeDueToDerivativeAdjustment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

hban:InterestIncomeSecuritiesOperatingOtherTaxable



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value2334666766545
Percentage of InterestIncomeSecuritiesOperatingOtherTaxable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancialInstrument

hban:LoansWithServicingRetainedSold

us-gaap:ResidentialMortgage



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value1428181612389548331059104789711160117879884510791204715632832920938630627654566481617853
Percentage of LoansWithServicingRetainedSold100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

hban:PaymentsToAcquireOtherSecurities



Period End2020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value553022302-51-1365
Percentage of PaymentsToAcquireOtherSecurities100.0100.00.0100.0100.0100.00.0100.0100.0100.0100.0100.0

hban:ProvisionForReductionInAllowanceLoanandLeaseLosses.



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value44774825863614948685650317365532624281319
Percentage of ProvisionForReductionInAllowanceLoanandLeaseLosses.100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancingReceivablePortfolioSegment

us-gaap:CommercialPortfolioSegment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value347273933361281815833529366122134
Percentage of ProvisionForReductionInAllowanceLoanandLeaseLosses.77.636.547.656.957.119.716.337.526.617.511.447.745.668.526.152.38.697.124.7

us-gaap:ConsumerPortfolioSegment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value100474325274941303242412738351612112608
Percentage of ProvisionForReductionInAllowanceLoanandLeaseLosses.22.463.552.443.142.980.383.762.547.174.482.588.652.354.431.547.547.791.42.943.8

hban:ProvisionForReductionInAllowanceUnfundedLoanCommitmentsandLettersofCredit.



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value-65014-148-28-6-6-6910-13-1480
Percentage of ProvisionForReductionInAllowanceUnfundedLoanCommitmentsandLettersofCredit.100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancingReceivablePortfolioSegment

us-gaap:CommercialPortfolioSegment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value-55014-158-27-6-6289-22780
Percentage of ProvisionForReductionInAllowanceUnfundedLoanCommitmentsandLettersofCredit.83.3100.00.0100.0100.0100.0125.0100.0100.087.196.193.7-39.091.994.7148.674.7-48.198.9-74.1

us-gaap:ConsumerPortfolioSegment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value-100000-100100-80000000
Percentage of ProvisionForReductionInAllowanceUnfundedLoanCommitmentsandLettersofCredit.16.70.00.00.00.0-0.0-25.00.0-0.012.93.96.3139.08.15.3-34.825.3-5.41.1152.1

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value151916311719152915192053-1172016111213141110101399998777556334432
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value151916311719152915192053-1172016111213141110101399998777556334432
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.099.9100.0100.0

us-gaap:VariableInterestEntitiesByClassificationOfEntity

us-gaap:AffordableHousingTaxCreditsAndOtherTaxBenefitsAmount

hban:LowIncomeHousingTaxCreditPartners



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-31
Value2919262627922423232222222322211818161415
Percentage of AffordableHousingTaxCreditsAndOtherTaxBenefitsAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AllowanceForLoanAndLeaseLossRecoveryOfBadDebts



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value192029222634292535192121312019
Percentage of AllowanceForLoanAndLeaseLossRecoveryOfBadDebts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancingReceivablePortfolioSegment

us-gaap:CommercialPortfolioSegment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value551561220151020710618108
Percentage of AllowanceForLoanAndLeaseLossRecoveryOfBadDebts26.325.051.727.346.258.851.740.057.138.045.828.658.152.143.3

us-gaap:ConsumerPortfolioSegment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value14151416141414151512111513910
Percentage of AllowanceForLoanAndLeaseLossRecoveryOfBadDebts73.775.048.372.753.841.248.360.042.962.054.271.441.947.956.7

us-gaap:VariableInterestEntitiesByClassificationOfEntity

us-gaap:AmortizationMethodQualifiedAffordableHousingProjectInvestmentsAmortization

hban:ProportionalAmortizationMethod



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value251822222279192019181717161413121291011
Percentage of AmortizationMethodQualifiedAffordableHousingProjectInvestmentsAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AmortizationOfIntangibleAssets



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value11121212131313131413141414149333311101099910101010111111111313131315151515
Percentage of AmortizationOfIntangibleAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:EmployeeStockOption



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312013-09-302012-09-30
Value8674120120343111523
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BankOwnedLifeInsuranceIncome



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1617181516161917151716151717141213131213131414131313131513131413131415171416141416
Percentage of BankOwnedLifeInsuranceIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect



Period End2020-03-312019-03-31
Value597-1336
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0

us-gaap:CommonStockDividendsPerShareDeclared



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.150.149999999999999970.150.140.140.140.140.110.110.109999999999999990.080.080.080.079999999999999990.070.070.070.24820.00060.060.060.060.050.050.050.049999999999999990.050.050.040.040000000000000010.040.040.040.040000000000000010.040.010.010.0100000000000000020.010.010.01
Percentage of CommonStockDividendsPerShareDeclared100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancialInstrument

us-gaap:ContractuallySpecifiedServicingFeesLateFeesAndAncillaryFeesEarnedInExchangeForServicingFinancialAssets

us-gaap:ResidentialMortgage



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value171616161516151515141414141413121234433111010101010101111111111
Percentage of ContractuallySpecifiedServicingFeesLateFeesAndAncillaryFeesEarnedInExchangeForServicingFinancialAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtAndEquitySecuritiesGainLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312017-09-30
Value0-220-20-19-20-40
Percentage of DebtAndEquitySecuritiesGainLoss0.0100.00.0100.00.0100.0100.00.0100.00.0

us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:DebtInstrumentRedemptionPricePercentage

hban:HuntingtonNationalBankSeniorNoteDueFebruary20231.8Percent, us-gaap:SeniorNotes



Period End2020-03-31
Value1.0
Percentage of DebtInstrumentRedemptionPricePercentage100.0

hban:HuntingtonNationalBankSeniorNoteDueFebruary420302.550Percent, us-gaap:SeniorNotes



Period End2020-03-31
Value1.0
Percentage of DebtInstrumentRedemptionPricePercentage100.0

us-gaap:DeferredIncomeTaxExpenseBenefit



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value-3729-351415-62-1446931312431-20182-11-2-457-1338-1422226-1743-1823491305862
Percentage of DeferredIncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DepreciationAndAmortization



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value11978104731311431221231051059602118091103105789472959386708271746867666968706970697377736669
Percentage of DepreciationAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeInstrumentRisk

us-gaap:DerivativeGainLossOnDerivativeNet

hban:DerivativeUsedInMortgageBankingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value577201870000
Percentage of DerivativeGainLossOnDerivativeNet100.0100.0100.0100.0100.00.00.00.00.0

us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:HedgingDesignation, us-gaap:IncomeStatementLocation

us-gaap:DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet

us-gaap:CommodityContract, us-gaap:FairValueHedging, us-gaap:Nondesignated, hban:CapitalMarketFees



Period End2020-03-312019-03-31
Value2-6
Percentage of DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet100.0100.0

us-gaap:EquityContract, us-gaap:FairValueHedging, us-gaap:Nondesignated, us-gaap:OtherExpense



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-2-1-20-110-3-1
Percentage of DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet-100.00.00.00.016.70.00.00.00.0

us-gaap:ForeignExchangeContract, us-gaap:FairValueHedging, us-gaap:Nondesignated, hban:CapitalMarketFees



Period End2020-03-312019-03-31
Value68
Percentage of DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet300.0-133.3

us-gaap:InterestRateContract, us-gaap:FairValueHedging, us-gaap:Nondesignated, hban:CapitalMarketFees



Period End2020-03-312019-03-31
Value1810
Percentage of DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet900.0-166.7

us-gaap:InterestRateContract, us-gaap:FairValueHedging, us-gaap:Nondesignated, hban:MortgageBankingIncome



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value96-15282212-1650-8
Percentage of DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet4800.00.00.00.0-200.00.00.00.00.0

us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:HedgingDesignation

us-gaap:FairValueHedging, us-gaap:Nondesignated



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1202484823823166
Percentage of DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet6000.00.00.00.0-383.30.00.00.00.0

us-gaap:DirectFinancingLeaseInterestIncome



Period End2020-03-312019-12-312019-09-302019-06-302019-03-31
Value2727282726
Percentage of DirectFinancingLeaseInterestIncome100.0100.0100.0100.0100.0

us-gaap:DividendsCommonStockCash



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value15515615814814914815012212111886878787755555554748484840404141414133333434343469-8-8-5135-7-7
Percentage of DividendsCommonStockCash100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value155156158-14814914815012212111886878787755555554748484840404141414133333434343469-8-8-5135-7-7
Percentage of DividendsCommonStockCash100.0100.0100.0-100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsPreferredStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1819181819191821121918181818181977777777777777778777783292929
Percentage of DividendsPreferredStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementClassOfStock

us-gaap:DividendsPreferredStockCash

us-gaap:SeriesBPreferredStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312010-12-312010-09-302010-06-302010-03-31
Value110011110000000000000-12087-17-17
Percentage of DividendsPreferredStockCash100.0100.00.00.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:SeriesCPreferredStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value12112211211111
Percentage of DividendsPreferredStockCash100.0200.00.00.0200.0200.0100.0100.00.0-5689.3413.8428.3445.2461.9

us-gaap:SeriesDPreferredStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value981010999109999999
Percentage of DividendsPreferredStockCash900.0800.00.00.0900.0900.0900.01000.00.0-35267.92640.82733.22840.92948.13125.0

us-gaap:SeriesEPreferredStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value787777710
Percentage of DividendsPreferredStockCash700.0800.00.00.0700.0700.0700.01000.0

us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents

us-gaap:SeriesBPreferredStock, us-gaap:RetainedEarnings



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value1000000.01000000.00.00.01000000.01000000.01000000.01000000.00.0-28000.0355000.0343000.0330000.0318000.0300000.0295000.0295000.0268000.0265000.0264000.0262000.0
Percentage of DividendsPreferredStockCash100.0100.00.00.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:SeriesCPreferredStock, us-gaap:RetainedEarnings



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value12-1-12211211111
Percentage of DividendsPreferredStockCash100.0200.00.00.0200.0200.0100.0100.00.0-5689.3413.8428.3445.2461.9

us-gaap:SeriesDPreferredStock, us-gaap:RetainedEarnings



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value98-10-10999109999999
Percentage of DividendsPreferredStockCash900.0800.00.00.0900.0900.0900.01000.00.0-35267.92640.82733.22840.92948.13125.0

us-gaap:SeriesEPreferredStock, us-gaap:RetainedEarnings



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value78-7-777710
Percentage of DividendsPreferredStockCash700.0800.00.00.0700.0700.0700.01000.0

us-gaap:EquipmentExpense



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value4142414040483838403545424659403132313131303130282828282424262524252522212222212120
Percentage of EquipmentExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueByAssetClass

us-gaap:FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss

hban:MortgageServicingRights



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value47-51-10-10-11-100010-1-20-20-2
Percentage of FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss100.0100.0100.0100.00.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetBackedSecurities



Period End2020-03-312019-12-312019-09-302018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value000000000513000-261147
Percentage of FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss0.0-0.00.0-0.00.0-0.00.043.8-0.0-718.6-275.5282.0-0.0-0.1-0.05479.2-76.36350.0-322.2

us-gaap:MortgageBackedSecuritiesIssuedByPrivateEnterprises



Period End2020-03-312015-12-312015-09-302015-06-302015-03-31
Value0.00.00.0505000.018000.0
Percentage of FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss0.0-0.0-0.0223.5-0.8

us-gaap:MunicipalBonds



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value000000000001220-33000-232-3
Percentage of FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss0.0-0.00.0-0.00.0-0.00.0-0.00.0-12.713.4-1594.2-4606.6-2533.4-0.0-0.0-0.0458.1-134.31184.5171.3

us-gaap:FairValueByAssetClass

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1

hban:MortgageServicingRights



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value47-51-10-10-11-100010-1-20-20-2-2-1-3-30-310-1-8-17-2
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1100.0100.0100.0100.00.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetBackedSecurities



Period End2020-03-312019-12-312019-09-302018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value000-240-20-1-30-20000-200000000-100000
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings10.0-0.00.0200.00.0-0.0-200.0-9.6202.5456.6-6.4-196.7-0.0-0.1-0.0-7.393.32.7-0.0-7.1-13.1-0.4-0.659.20.7-79.4-194.2-2.7-0.5-0.26.9

us-gaap:MortgageBackedSecuritiesIssuedByPrivateEnterprises



Period End2020-03-312016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value0.00.00.00.020000.011000.016000.012000.08000.07000.09000.027000.032000.029000.0-270000.0116000.093000.0-16000.0-990000.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings10.0-0.0-0.0-0.0-0.84.9-0.7-0.5-0.6-0.2-0.220.8-0.91.5-71.1-8.2-1.10.138.9

us-gaap:MunicipalBonds



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value1-211-1-31-1-110-1-124000000000020000000
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings12.140.0100.0-100.00.0300.00.0100.0-100.0-160.282.2151.5315.0218.6-615.4-0.0-0.0-31.0-0.00.0-0.0-0.0-0.0-0.0-0.01637.7-0.00.00.0-0.0-0.0-0.0-0.0

us-gaap:FairValueByAssetClass, us-gaap:IncomeStatementLocation

hban:MortgageServicingRights, hban:MortgageBankingIncome



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value47-53-10-10-100010-1-20-20-2
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1100.0100.0300.0100.00.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:MunicipalBonds, hban:InterestandFeeIncome



Period End2020-03-312019-09-302019-06-302019-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value110-11-30000000000
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings12.1100.0-0.00.0-147.5449.5-0.0-0.00.0-0.0-0.0-0.0-0.0-0.00.0-0.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-31
Value-68623343
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss100.0100.0100.0100.0100.0

us-gaap:FairValueByAssetClass

us-gaap:AssetBackedSecurities



Period End2020-03-312019-12-312019-09-302018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value0001100110553225-50114715211310712710-27
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss-0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:MortgageBackedSecuritiesIssuedByPrivateEnterprises



Period End2020-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value00100000000000204
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss-0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:MunicipalBonds



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value-68724343-520-9-28-7-331220-19-28711-532-3714-1475200-1000
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss100.0116.7104.3100.0100.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:FairValueByAssetClass

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases

us-gaap:AssetBackedSecurities



Period End2020-03-312019-12-312019-09-302018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value270550000000000000000000000000000000000
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases100.00.0100.00.00.00.00.00.00.00.00.0100.0100.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:MunicipalBonds



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value73118282881658260861933721661141321619534623723342699242232224501806000000000001000
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases270.40.050.90.00.00.00.00.00.00.00.00.00.0-1618480.09536390.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:FairValueByAssetClass

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales

us-gaap:AssetBackedSecurities



Period End2020-03-312019-12-312019-09-302018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value0003300330211819-20270000002200880002000000039110
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales0.00.00.0100.00.00.0100.0100.0100.0100.0100.0100.00.0100.00.00.00.00.00.0100.0100.00.00.0100.0100.00.00.00.0100.00.00.00.00.00.00.0100.0100.0100.0

us-gaap:MortgageBackedSecuritiesIssuedByPrivateEnterprises



Period End2020-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value0030000000001000150000-200145109-57
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales0.00.00.00.00.00.00.00.00.00.00.00.00.00.072.80.00.00.00.00.00.0371.8912.77237.6

us-gaap:MunicipalBonds



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value000000000000000360900000000000307000008328
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales0.00.00.00.00.00.00.00.00.0-13.90.40.00.0-30.30.0131.90.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0213.0240.8

us-gaap:FairValueByAssetClass

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements

us-gaap:AssetBackedSecurities



Period End2020-03-312019-12-312019-09-302018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value6700000000000101011716937163333302-3470-3
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements100.0100.00.00.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0

us-gaap:MortgageBackedSecuritiesIssuedByPrivateEnterprises



Period End2020-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value0001000000113323556-59150-23
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements0.00.0149.380.438.97.756.88.15.631.321.181.758.0100.397.7109.5146.917.8258.7182.6235.0202.90.0707.5

us-gaap:MunicipalBonds



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value66220159655360516012810115845121822512626163731962020761901471211201109622131400-56
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements1100.03142.90.00.00.00.00.00.00.0-43770.410949.033469.214212.335571.958929.26105.47511.74043.743049.11434.51900.41032.318986.0233.384.5415.525.679.434.411.5385.18.6266.521.0896.7-419.0353.4-0.00.01717.4

us-gaap:FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisChangeInUnrealizedGainLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value34-312-4-20-1-8125-8-24503-14
Percentage of FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisChangeInUnrealizedGainLoss100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationGainLossIncludedInEarnings



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value53161919123597125-8-24503-15
Percentage of FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationGainLossIncludedInEarnings100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncomeStatementLocation

hban:MortgageBankingIncome



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value53161919121097125-8-24503-15
Percentage of FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationGainLossIncludedInEarnings100.0100.0100.0100.0100.028.6100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationSettlements



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value00000-3300000000-1000
Percentage of FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationSettlements0.00.00.00.00.0100.0100.00.00.00.00.00.00.00.00.0100.0100.0100.0100.0

us-gaap:FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationTransfersOutOfLevel3



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value20182015935121112021202000
Percentage of FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationTransfersOutOfLevel3100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:FinancialInstrument

us-gaap:FairValueOptionChangesInFairValueGainLoss1

us-gaap:FairValueMeasurementsRecurring



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value-1919-6-82445-2-3-1-5-9-24
Percentage of FairValueOptionChangesInFairValueGainLoss1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FederalDepositInsuranceCorporationPremiumExpense



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value91088891818181818202015141211111115121311101310111315161515201817231723232629
Percentage of FederalDepositInsuranceCorporationPremiumExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FeesAndCommissionsMortgageBankingAndServicing



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value58585434212331282633342629452522232423334561443846241223225352
Percentage of FeesAndCommissionsMortgageBankingAndServicing100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancingReceivableAllowanceForCreditLossesWriteOffs



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value1369310270978458537360645670645943595460-46555658587373856384106132108107114115128199
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancingReceivablePortfolioSegment

us-gaap:CommercialPortfolioSegment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value88415324453311122313191523212414162291224
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs64.744.152.034.346.439.319.022.631.523.229.826.833.532.741.933.928.24.749.3-26.044.7

us-gaap:ConsumerPortfolioSegment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value48524946525147415046454147433488-543066
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs35.355.948.065.753.660.781.077.468.576.870.273.266.567.358.120.514.7-99.050.7-13.912.5

us-gaap:FinancingReceivableModificationsNumberOfContracts2



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-30
Value0000000006744000000000000000000
Percentage of FinancingReceivableModificationsNumberOfContracts2100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancingReceivableModificationsPostModificationRecordedInvestment2



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-30
Value8866646566746901532561952211801801261761941930000100000
Percentage of FinancingReceivableModificationsPostModificationRecordedInvestment2100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GainLossOnInterestRateCashFlowHedgeIneffectiveness



Period End2020-03-312019-03-31
Value3087
Percentage of GainLossOnInterestRateCashFlowHedgeIneffectiveness100.0100.0

us-gaap:FinancialInstrument

us-gaap:GainLossOnSaleOfMortgageLoans

us-gaap:ResidentialMortgage



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value39582623122324190322616223132181419222714131614121123323544302428
Percentage of GainLossOnSaleOfMortgageLoans100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GainLossOnSalesOfLoansNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value816131313161615817131212247951051245833753220642621927
Percentage of GainLossOnSalesOfLoansNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value58372439427421391440412385412364350267312151228226233199260219220208222201206240203203221196201205168182194161157130621
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value892-103-65186176-19324816-49190102127-188-1407396-25-4594-53-302204647-32-21259-47-13443-405-106-23
Percentage of IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInDeposits



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value4483-481513-548-2619308521021162430-14042511-14891814-11461110-619363102879573910811602636-5991284943232-534616-4876651068101662181428-4857891213-456-193
Percentage of IncreaseDecreaseInDeposits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeInstrumentRisk, us-gaap:IncomeStatementLocation

us-gaap:IncreaseDecreaseInFairValueOfHedgedItemInInterestRateFairValueHedge1

hban:HedgedSubordinatedNotes, hban:InterestExpenseSubordinatedNotesAndOtherLongTermDebt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value-190-125-32-88-41-1042-4218103-2541100-69-57-3-26-3-11022386-2-148
Percentage of IncreaseDecreaseInFairValueOfHedgedItemInInterestRateFairValueHedge1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

hban:SubordinatedNotes, hban:InterestExpenseSubordinatedNotesAndOtherLongTermDebt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value200127368841112-241-17-9-22-4-44-906-95-732-631-10-2-23-8-6214-8
Percentage of IncreaseDecreaseInFairValueOfHedgedItemInInterestRateFairValueHedge1-105.3-101.6-112.5-100.0-100.0-107.7-100.0-97.6-94.4-91.4-61.8-101.9-87.1-108.6-93.2-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0

us-gaap:IncreaseDecreaseInLoansHeldForSale



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value20-142259169-7212111024727-176-56244-23-71-11326839-3212543198-3
Percentage of IncreaseDecreaseInLoansHeldForSale100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInTradingSecurities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-63-19-20106114-20-1-2-6-3-35970-108-1-20115-2415104-38-6-5-4038-513-39-13-10720-1563190-66
Percentage of IncreaseDecreaseInTradingSecurities100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncrementalCommonSharesAttributableToContingentlyIssuableShares



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value4044303330332022201110111011101110100000
Percentage of IncrementalCommonSharesAttributableToContingentlyIssuableShares100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value1201111140151519017161911091001111120111111097604430232011
Percentage of IncrementalCommonSharesAttributableToShareBasedPaymentArrangements100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InformationTechnologyAndDataProcessing



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value8589878981836969737179758788916361635858505353545151494949504948425349434040384039
Percentage of InformationTechnologyAndDataProcessing100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InsuranceCommissionsAndFees



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value2324202321211921213513151516151516151615151616151615171719171717181717161719191818
Percentage of InsuranceCommissionsAndFees100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestAndDividendIncomeOperating



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value975101110521068107010561007972914894872846820814694565557544538529502507501495472469462462465478483487479485490492501528534535546
Percentage of InterestAndDividendIncomeOperating100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestAndDividendIncomeSecuritiesHeldToMaturity



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value595454565452525354544844453333353625192020212122231812999544451000
Percentage of InterestAndDividendIncomeSecuritiesHeldToMaturity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:InterestAndFeeIncomeLoansAndLeases



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value809849889903901891848810756737724699675661583469463451451436420426424421402408408405406419415428412427432431436
Percentage of InterestAndFeeIncomeLoansAndLeases100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestExpenseDeposits



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value10513615415014513211287605349423430262223212019192020212326272932354041435064687592103114128
Percentage of InterestExpenseDeposits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestExpenseOtherLongTermDebt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value6887868789858487656259544947413630252118131212121011107881115181818192019191922
Percentage of InterestExpenseOtherLongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestExpenseShortTermBorrowings



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value12813191469141985552000000020000000000000001000
Percentage of InterestExpenseShortTermBorrowings100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestIncomeExpenseAfterProvisionForLoanLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value349701717753755773749728704704714719662660561481475460472470447470441430412406413400394394393392382369362367354328290206158
Percentage of InterestIncomeExpenseAfterProvisionForLoanLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestIncomeExpenseNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value790780799812822833802784770770758744729734625505503496495490467473466460437430424424424434430428417415406403404415409399393
Percentage of InterestIncomeExpenseNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value45-5-45-64-29-19-17-41142-29-33-39-58-35-17-10-13-100
Percentage of InterestIncomeExpenseNet5.7-0.6-5.6-7.9-3.5-2.3-2.1-0.51.45.5-3.9-4.5-5.4-7.9-5.7-3.4-2.1-2.8-2.10.0

us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, hban:CommercialBanking



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-31
Value23223926326426425023922922038417116817417313710110087100231
Percentage of InterestIncomeExpenseNet29.430.632.932.532.130.029.829.228.649.922.622.723.923.621.920.120.017.620.448.9

us-gaap:OperatingSegments, hban:ConsumerAndBusinessBanking



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value364395433464443446431413395299426420393361349284264
Percentage of InterestIncomeExpenseNet46.150.654.257.153.953.553.752.751.338.956.356.453.949.155.956.352.6

us-gaap:OperatingSegments, hban:RegionalBankingAndTheHuntingtonPrivateClientGroup



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-31
Value4345485250534846453849484652464039133675
Percentage of InterestIncomeExpenseNet5.45.86.06.46.16.46.05.95.85.16.56.56.47.17.58.07.82.77.315.9

us-gaap:OperatingSegments, hban:VehicleFinance



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value106100969410110099108106104
Percentage of InterestIncomeExpenseNet13.412.511.811.412.612.812.914.214.214.2

us-gaap:InterestIncomeSecuritiesTaxExempt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1819202122262424232118181818131313111010987654222222222223223
Percentage of InterestIncomeSecuritiesTaxExempt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestIncomeSecuritiesTaxable



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value7673747276706871707474787683574039505251474743423834353840414548484747545759615958
Percentage of InterestIncomeSecuritiesTaxable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestPaidNet



Period End2020-03-312019-12-312019-03-312018-12-31
Value197231249215
Percentage of InterestPaidNet100.0100.0100.0100.0

us-gaap:LaborAndRelatedExpense



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value395426406428394399388396376372377391382359405298285288286282264263275260249249229263258253247243243228226218219212208194183
Percentage of LaborAndRelatedExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:MarketableSecuritiesUnrealizedGainLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value173-1469134146180-62-53-149-64-213810-247-333149-6439-254225-6
Percentage of MarketableSecuritiesUnrealizedGainLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:MarketingAndAdvertisingExpense



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value9-31612121017151181518182114141212121212121214101312141052021161622201616201722
Percentage of MarketingAndAdvertisingExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NoninterestExpense



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value652701667700653711651652633633680694707681712523491498526491458483480458460446423445442470458444462430439428430434427413398
Percentage of NoninterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value8395238364-9875063811061723212224912
Percentage of NoninterestExpense1.25.60.73.31.25.10.6-1.41.31.27.59.211.515.624.26.22.64.59.32.5

us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, hban:CommercialBanking



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-31
Value1291371421451421401241281201721001011141059892907475192
Percentage of NoninterestExpense19.819.521.320.721.719.719.019.619.027.314.714.616.315.413.817.618.415.014.439.9

us-gaap:OperatingSegments, hban:ConsumerAndBusinessBanking



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value418426421427401430425429412404415412374241349310280
Percentage of NoninterestExpense64.160.863.161.061.460.565.365.865.164.061.159.452.935.449.159.457.0

us-gaap:OperatingSegments, hban:RegionalBankingAndTheHuntingtonPrivateClientGroup



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-31
Value626363676466616658605860525948504910441178
Percentage of NoninterestExpense9.59.09.49.69.89.39.410.19.29.68.68.87.48.86.89.710.221.07.836.8

us-gaap:OperatingSegments, hban:VehicleFinance



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value35363838373835393836
Percentage of NoninterestExpense5.45.45.45.85.75.85.55.75.55.1

us-gaap:NoninterestIncome



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value361372389374319329342336314340330325312334302271241272253281231233247250248246250248252297261253285229258255236264267269240
Percentage of NoninterestIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value10-414341692219172024222411161619171916
Percentage of NoninterestIncome2.8-1.13.69.15.02.76.45.75.46.17.46.87.93.45.66.27.96.47.66.0

us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, hban:CommercialBanking



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-31
Value8693101897685798069101595969836864586665154
Percentage of NoninterestIncome23.825.026.023.823.825.823.123.822.029.817.918.422.224.822.723.924.224.526.066.2

us-gaap:OperatingSegments, hban:ConsumerAndBusinessBanking



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value21222922319817418519218717419018918414699177152120
Percentage of NoninterestIncome58.761.657.352.954.556.256.155.755.456.057.456.647.029.658.656.249.7

us-gaap:OperatingSegments, hban:RegionalBankingAndTheHuntingtonPrivateClientGroup



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-31
Value50514749514847485147464636363127276826133
Percentage of NoninterestIncome13.913.712.113.116.014.613.714.316.213.914.014.311.610.810.510.211.525.110.457.1

us-gaap:OperatingSegments, hban:VehicleFinance



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value334422223335
Percentage of NoninterestIncome0.80.81.01.10.60.60.60.61.00.90.91.6

us-gaap:NoninterestIncomeOther



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value13413014913997102119119100
Percentage of NoninterestIncomeOther100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value8-41431159211916
Percentage of NoninterestIncomeOther6.0-3.19.422.315.58.817.616.016.0

us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, hban:CommercialBanking



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value596371625060565749
Percentage of NoninterestIncomeOther44.048.547.744.651.558.847.147.949.0

us-gaap:OperatingSegments, hban:ConsumerAndBusinessBanking



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value667163443133424134
Percentage of NoninterestIncomeOther49.354.642.331.732.032.435.334.534.0

us-gaap:OperatingSegments, hban:RegionalBankingAndTheHuntingtonPrivateClientGroup



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0-11110020
Percentage of NoninterestIncomeOther0.0-0.80.70.71.00.00.01.70.0

us-gaap:OperatingSegments, hban:VehicleFinance



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1000000.01000000.00.01000000.00.00.00.00.01000000.0
Percentage of NoninterestIncomeOther0.70.80.00.70.00.00.00.01.0

us-gaap:NoninterestIncomeOtherOperatingIncome



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value314342593949444542613844402933363020404427283036303233253341232737-2560453833322829
Percentage of NoninterestIncomeOtherOperatingIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OccupancyNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value4041383842703835413655526749413031322928313134283331352730292725292626262826262524
Percentage of OccupancyNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OciBeforeReclassificationsNetOfTaxAttributableToParent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value477-7891174150165-64-218-161-78-26425-183-393458-8150-2560
Percentage of OciBeforeReclassificationsNetOfTaxAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancialInstrument, us-gaap:StatementEquityComponents

us-gaap:DebtSecurities, us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value169-1963127143165-64-56-161-69
Percentage of OciBeforeReclassificationsNetOfTaxAttributableToParent35.424.469.273.095.3100.0100.025.7100.088.1

us-gaap:EquitySecurities, us-gaap:AociDerivativeQualifyingAsHedgeExcludedComponentParent



Period End2020-03-312019-09-302019-06-302019-03-31
Value30828477
Percentage of OciBeforeReclassificationsNetOfTaxAttributableToParent64.630.827.04.7

us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value000000000-1000000000000
Percentage of OciBeforeReclassificationsNetOfTaxAttributableToParent0.0-0.00.00.00.00.0-0.0-0.0-0.012.8-0.00.00.0-0.0-0.00.00.0-0.00.0-0.00.0

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value173-1469134146180-62-53-149-64-21379-248-353051-6439-333824-823604-76-5-136217
Percentage of OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancialInstrument, us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax

us-gaap:DebtSecurities, us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-30
Value21781163184-82-71-206-42
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancialInstrument, us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax

us-gaap:DebtSecurities, us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-30
Value16963127143-64-56-161-27
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancialInstrument, us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsTax

us-gaap:DebtSecurities, us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-30
Value48183641-18-15-45-15
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsTax100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossBeforeTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value620-108126233197228-77-67-190-99-306215-354-585291-13371-3895-61-3465192581-190-14-101793324
Percentage of OtherComprehensiveIncomeLossBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancialInstrument, us-gaap:StatementEquityComponents

us-gaap:DebtSecurities, hban:AccumulatedNetInvestmentGainLossandAccumulatedOtherthanTemporaryImpairmentAttributabletoParent



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-30
Value22289172188-79-68-191-33
Percentage of OtherComprehensiveIncomeLossBeforeTax35.870.673.895.4102.6101.5100.5109.7

us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-30
Value2111211110111-3
Percentage of OtherComprehensiveIncomeLossBeforeTax0.30.80.40.5-2.6-1.5-0.5-4.01.94.7-2.22.51.4-4.7

us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges



Period End2020-03-312019-09-302019-06-302019-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-30
Value3963660821-1-811312
Percentage of OtherComprehensiveIncomeLossBeforeTax63.928.625.84.1-6.72.6-8.413.83.314.917.9

us-gaap:OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value308232847700001110-3-518-17801810-21170-1115-56-12-5516-9
Percentage of OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax100.0100.0100.0100.0100.00.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossNetOfTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value483-8198182154181-61-52-148-65-194010-228-383358-8645-2461-40-2242121652-123-9-66512115
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancialInstrument, us-gaap:StatementEquityComponents

us-gaap:DebtSecurities, us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-30
Value17369134146-62-53-149-22
Percentage of OtherComprehensiveIncomeLossNetOfTax35.870.473.694.8101.6101.9100.7112.2

us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-30
Value2111111000000-2
Percentage of OtherComprehensiveIncomeLossNetOfTax0.41.00.50.6-1.6-1.9-0.7-4.01.94.5-2.22.51.4-4.7

us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges



Period End2020-03-312019-09-302019-06-302019-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-30
Value30828477110-5188
Percentage of OtherComprehensiveIncomeLossNetOfTax63.828.625.84.5-6.72.6-8.113.73.415.018.0

us-gaap:AccumulatedOtherComprehensiveIncome



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value483-8198182154181-61-52-148-65-194010-228-383358-8645-2461-40-2242121652-123-9-66512115
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value483-8198182154181-61-52-148-655110-228-383358-8645-2461
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancialInstrument, us-gaap:StatementEquityComponents

us-gaap:DebtSecurities, us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value173-1469134146180-62-53-149-64
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent35.817.370.473.694.899.4101.6101.9100.798.5

us-gaap:EquitySecurities, us-gaap:AociDerivativeQualifyingAsHedgeExcludedComponentParent



Period End2020-03-312019-09-302019-06-302019-03-31
Value30828477
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent63.828.625.84.5

us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value2-81111121-221022210-4-200
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent0.49.91.00.50.60.6-1.6-3.8-0.73.10.02.44.6-9.8-6.65.11.45.5-4.7-3.61.5

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value-28-1-1-1-1-1-1-12000-220004200-76500383155-60333
Percentage of OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value137-2728514347-16-15-42-34-10224-125-201832-472513-332111-23-6-9-2867435-28-11-850-22-43391-30-26
Percentage of OtherComprehensiveIncomeLossTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancialInstrument, us-gaap:StatementEquityComponents

us-gaap:DebtSecurities, hban:AccumulatedNetInvestmentGainLossandAccumulatedOtherthanTemporaryImpairmentAttributabletoParent



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-30
Value49203842-17-15-42-11
Percentage of OtherComprehensiveIncomeLossTax35.871.474.597.7106.2100.0100.0105.1

us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-30
Value0000100000000-1
Percentage of OtherComprehensiveIncomeLossTax0.00.00.00.0-6.2-0.0-0.0-4.01.95.0-2.32.41.4-4.6

us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges



Period End2020-03-312019-09-302019-06-302019-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-30
Value-88-8-151000-2044
Percentage of OtherComprehensiveIncomeLossTax-64.2-28.6-29.42.3-6.82.6-9.014.13.214.617.7

us-gaap:OtherInterestAndDividendIncome



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value111312121111975565418654541033332336561431232249944
Percentage of OtherInterestAndDividendIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherNoninterestExpense



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value5158496256575850525558595749484739418141365039335143323233583334543230294838303330
Percentage of OtherNoninterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsForProceedsFromOtherInvestingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-35-179-20-15-14-17-32-9-9-5-3-14602-10-700-1-200-1-10-10-1-1-2005900-1000
Percentage of PaymentsForProceedsFromOtherInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsForProceedsFromOtherLoansAndLeases



Period End2020-03-312019-03-31
Value2926528
Percentage of PaymentsForProceedsFromOtherLoansAndLeases100.0100.0

us-gaap:PaymentsOfDividendsCommonStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value155155147147148152122122118878787877656555646484848453841414141333334343434349887777
Percentage of PaymentsOfDividendsCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsOfDividendsPreferredStockAndPreferenceStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value181918191819211119191818187181977777777777777787777732252525
Percentage of PaymentsOfDividendsPreferredStockAndPreferenceStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value6001880017100124000
Percentage of PaymentsRelatedToTaxWithholdingForShareBasedCompensation100.00.00.0100.0100.00.00.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:PaymentsToAcquireAvailableForSaleSecurities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value247628621284153635414412732645072209131610038875453402971369112341473920878111783294716555855315861831029536214167041236105512872159262424031582
Percentage of PaymentsToAcquireAvailableForSaleSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireHeldToMaturitySecurities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value0100301603562670710666681080000163013282000016841482480206734000020400
Percentage of PaymentsToAcquireHeldToMaturitySecurities0.0100.00.0100.0100.0100.00.0100.00.0100.0100.00.0100.00.00.00.00.0100.00.0100.0100.00.00.00.00.0100.0100.0100.00.0100.0100.00.00.0100.0100.0100.00.00.0

us-gaap:PaymentsToAcquireLoansAndLeasesHeldForInvestment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value311134709714422421436682921949435117-3256679218241165881165408-10-3213258039359000
Percentage of PaymentsToAcquireLoansAndLeasesHeldForInvestment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.00.00.00.0

us-gaap:StatementClassOfStock

us-gaap:PreferredStockDividendsPerShareDeclared

us-gaap:SeriesBPreferredStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value11.3311.7512.5113.2413.7212.60000000000000112.8412.6211.0510.14999999999999910.0100000000000029.6399999999999999.318.9500000000000038.458.3199999999999998.317.527.4700000000000017.477.38
Percentage of PreferredStockDividendsPerShareDeclared100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:SeriesCPreferredStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value14.6914.68999999999999814.6914.6914.6914.68999999999999814.6914.6914.6914.68999999999999814.69000000000000114.6914.6914.69000000000000111.590.00.0
Percentage of PreferredStockDividendsPerShareDeclared129.7125.0117.4111.0107.1116.6114.4116.4132.9144.7146.8152.4157.8164.1137.20.00.0

us-gaap:SeriesDPreferredStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value15.6315.61999999999999715.6315.6315.6315.61999999999999715.6315.6315.6315.61999999999999715.63000000000000315.6215.6315.62299999999999815.62700000000000219.790.0
Percentage of PreferredStockDividendsPerShareDeclared138.0132.9124.9118.1113.9124.0121.7123.9141.4153.9156.1162.0167.9174.6184.9237.90.0

us-gaap:SeriesEPreferredStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-09-30
Value1425.01425.01425.01425.01425.01425.01425.02042.50.0
Percentage of PreferredStockDividendsPerShareDeclared12577.212127.711390.910762.810386.311309.511098.116184.60.0

us-gaap:ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value6697865704333355705255524628643655991168477982502174305605193974235582322652533883334383864404524968925426054496499481017673
Percentage of ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value39836527620517517022317617426126924427936235428521016014516412411512411110082846150432822181611200
Percentage of ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0

us-gaap:ProceedsFromPaymentsForInInterestBearingDepositsInBanks



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-26916-26-1112863422181216-72621-141352-98-31-1442174937-811670535-3131404107
Percentage of ProceedsFromPaymentsForInInterestBearingDepositsInBanks100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value10002050000-226-650-11682-1492714410000-10000000
Percentage of ProceedsFromPaymentsForOtherFinancingActivities100.00.00.00.0100.00.0100.00.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesDebt



Period End2020-03-312019-03-31
Value190
Percentage of ProceedsFromSaleOfAvailableForSaleSecuritiesDebt100.00.0

us-gaap:ProceedsFromSaleOfLoansHeldForInvestment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1913792402032272361512347617516714011826281171597499610411389991227358117105197391292272130139714711871431622564861990
Percentage of ProceedsFromSaleOfLoansHeldForInvestment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:ProfessionalFees



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value11261011722121881916181323472113131191015131712111297211815111620201321202411
Percentage of ProfessionalFees100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProvisionForLoanAndLeaseLosses



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value4417982596760535666654324677463242736222020224292424112429393736344543354986119193235
Percentage of ProvisionForLoanAndLeaseLosses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value0.00.00.00.00.00.00.00.00.0-1000.00.01000.00.0-1000.01000.00.0-1000.0-4000.0-1000.00.0
Percentage of ProvisionForLoanAndLeaseLosses0.00.00.00.00.00.00.00.00.0-0.00.00.00.0-0.00.00.0-0.0-0.0-0.00.0

us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, hban:CommercialBanking



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-31
Value298293624430-1182169-10224523-53436924
Percentage of ProvisionForLoanAndLeaseLosses67.636.743.940.764.20.0-1.932.131.810.222.0-41.432.760.737.3-21.2126.0100.041.5989.8

us-gaap:OperatingSegments, hban:ConsumerAndBusinessBanking



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value8233353017404227313524173128122012
Percentage of ProvisionForLoanAndLeaseLosses18.641.842.750.825.466.779.248.247.055.055.368.146.338.019.985.144.1

us-gaap:OperatingSegments, hban:RegionalBankingAndTheHuntingtonPrivateClientGroup



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-31
Value10-10-2101000-22-31-10-732
Percentage of ProvisionForLoanAndLeaseLosses0.20.0-1.20.0-3.01.70.01.80.0-0.80.5-9.94.1-4.82.6-4.2-1.7-21.315.890.1

us-gaap:OperatingSegments, hban:VehicleFinance



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value601259121014201611
Percentage of ProvisionForLoanAndLeaseLosses13.614.68.513.422.617.921.245.964.116.3

us-gaap:FinancialInstrument, us-gaap:StatementEquityComponents

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax

us-gaap:DebtSecurities, us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-30
Value-5-8-9-4-3-3-15-9
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancialInstrument, us-gaap:StatementEquityComponents

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax

us-gaap:DebtSecurities, us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-30
Value-4-6-7-3-2-3-12-5
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value-63-7-8-4-16-3-17-13-13-6-9-445-1004400
Percentage of ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancialInstrument, us-gaap:StatementEquityComponents

us-gaap:DebtSecurities, us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value-4-5-6-7-3-15-2-3-12-5
Percentage of ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent66.7-166.785.787.575.093.866.717.692.337.8

us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value-28-1-1-1-1-1-2-1-70-10-220004200
Percentage of ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent33.3266.714.312.525.06.233.311.87.760.312.011.110.0-49.260.5-104.7695.0102.646.5122.9121.4

us-gaap:FinancialInstrument, us-gaap:StatementEquityComponents

us-gaap:ReclassificationFromAociCurrentPeriodTax

us-gaap:DebtSecurities, us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-30
Value-1-2-2-1-10-3-4
Percentage of ReclassificationFromAociCurrentPeriodTax100.0100.0100.0100.0100.00.0100.0100.0

us-gaap:FinancialInstrument, hban:SensitivityAnalysisOfFairValueOfServicingRights

us-gaap:ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValuePrepaymentSpeed

us-gaap:ResidentialMortgage, hban:SensitivityAnalysisFairValueCarryingMethod



Period End2020-03-31
Value0.1783
Percentage of ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValuePrepaymentSpeed100.0

us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensation

us-gaap:CommonStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value10031012200310021003203020200000000000000
Percentage of StockIssuedDuringPeriodSharesShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-5-32-17-6-18-17-1511-39170-4500263242632410000-20000000
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-5-32-17-614-16-1212-33191-3701274262633410000-10000000
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation100.0100.0100.0100.0100.0-100.050.094.180.0140.3214.785.5107.4294.181.1133.7-146.9162.8111.4121.1113.4102.6127.2100.6105.0101.6124.1101.0104.785.432.084.5116.238.2-75.647.6128.8-22.7-220.593.5106.2

us-gaap:CommonStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.00.00.00.00.00.00.00.0-53000.08000.032000.013000.09000.05000.027000.018000.08000.03000.037000.020000.06000.033000.05000.024000.07000.025000.09000.07000.05000.09000.01000.03000.04000.09000.00.01000.01000.02000.01000.02000.0
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation-0.0-0.00.0-0.0-0.0-0.00.0-0.0-3.90.6-0.10.12.4-0.10.5-3.91.20.10.60.50.30.70.20.40.20.90.20.4-0.6-3.6-0.82.9-0.11.1-0.01.7-0.9-1.7-1.60.8

us-gaap:StatementEquityComponents

us-gaap:StockRepurchasedAndRetiredDuringPeriodShares

us-gaap:CommonStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value7135-11114430392684351214-33194-3316
Percentage of StockRepurchasedAndRetiredDuringPeriodShares100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockRepurchasedAndRetiredDuringPeriodValue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value881966815225200691048136474-72-99-51-34-52-110-1360-16-75-33-214105-40000
Percentage of StockRepurchasedAndRetiredDuringPeriodValue100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value8819668-15125200691048136287299513452110135-249167533-213105
Percentage of StockRepurchasedAndRetiredDuringPeriodValue100.0100.0100.0-99.3100.0100.0100.00.0100.0100.16.1-99.9-99.9-99.9-99.9-99.9-99.9-99.90.0-99.9-99.9-99.999.899.8

us-gaap:CommonStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value0.00.00.0-1000000.00.00.00.0-96000.025000.067000.089000.049000.036000.054000.0121000.0146000.0-334000.020000.0100000.047000.0-335000.0166000.0
Percentage of StockRepurchasedAndRetiredDuringPeriodValue0.00.00.0-0.70.00.00.0-0.10.0-0.1-0.1-0.1-0.1-0.1-0.1-0.10.0-0.1-0.1-0.10.20.2

us-gaap:StockholdersEquityOther



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value01360-237-1-2330-3520002003-100000000002000000
Percentage of StockholdersEquityOther0.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:TreasuryStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value01370146-10340052000300300-1000000001005-402
Percentage of StockholdersEquityOther0.0100.0100.0116.70.0-50.0133.385.7100.0-10.8107.1127.476.8-14.597.0102.796.8130.0158.9122.0114.7163.2107.1-14.3226.1644.3129.9-203.996.954.2102.2-836.8-8.149.766.492.2-59.01380.3684.960.5306.9

us-gaap:StatementEquityComponents

us-gaap:StockholdersEquityOtherShares

us-gaap:TreasuryStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-3000.0-11000.0249000.0486000.0-4000.095000.0454000.076000.0-76000.0-153000.0275000.0280000.0-87000.04000.0574000.0283000.051000.0681000.0-610000.0249000.039000.044000.0222000.0-28000.0113000.040000.0-16000.0-26000.0-37000.0-29000.0-67000.03000.0-21000.0-48000.0-143000.0-106000.0-5000.07000.0-19000.0
Percentage of StockholdersEquityOtherShares100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TransferOfLoansHeldForSaleToPortfolioLoans1



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value4565321533173103888119261014100-1460030700
Percentage of TransferOfLoansHeldForSaleToPortfolioLoans1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.00.00.0100.00.00.0

us-gaap:TransferOfOtherRealEstate



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value4364655465661060566646683000
Percentage of TransferOfOtherRealEstate100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0

us-gaap:TransferOfPortfolioLoansAndLeasesToHeldForSale1



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value31321928725320434815420611021314713915823129381211451379236-97910911166180302426-13500165601263-1
Percentage of TransferOfPortfolioLoansAndLeasesToHeldForSale1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.00.0100.00.0100.0100.0

us-gaap:WeightedAverageNumberDilutedSharesOutstandingAdjustment



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-30
Value16161518191940201922131212131314131313109755434322
Percentage of WeightedAverageNumberDilutedSharesOutstandingAdjustment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

hban:AULCBalance



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-312012-12-31
Value9910410110110096979385877885919788737572645554606240
Percentage of AULCBalance100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancingReceivablePortfolioSegment

us-gaap:CommercialPortfolioSegment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-312012-12-31
Value5810299999894959082847682888677565855564142484933
Percentage of AULCBalance58.698.198.098.098.097.997.996.896.596.697.197.096.888.488.076.077.577.587.875.677.380.678.983.3

us-gaap:ConsumerPortfolioSegment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-312012-12-31
Value412222223332221110776754310
Percentage of AULCBalance41.41.92.02.02.02.12.13.23.53.42.93.03.211.612.010.79.79.112.29.47.86.32.61.7

hban:AclBalanceEndOfPeriod



Period End2020-03-312020-01-012019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value16031280887884875864868858834806778754753764736705696689669656654659666686692691710732777787809842910964101310581112117512911531
Percentage of AclBalanceEndOfPeriod100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancingReceivablePortfolioSegment

us-gaap:CommercialPortfolioSegment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value1054654660659643636638621597566550557569537509379378354450326326335315
Percentage of AclBalanceEndOfPeriod65.873.774.775.374.473.374.474.574.172.873.074.074.573.072.354.555.052.968.749.949.550.444.4

us-gaap:ConsumerPortfolioSegment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value54923322421622123222021320921220319519519819537313020525214239
Percentage of AclBalanceEndOfPeriod34.226.325.324.725.626.725.625.525.927.227.026.025.527.027.75.34.64.631.33.93.26.35.5

hban:AggregateCreditRiskNetOfCollateral



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-03-312013-12-312013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-06-30
Value8522463421371728273030442726282821151517161919181523161716918363838373942
Percentage of AggregateCreditRiskNetOfCollateral100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:VariableInterestEntitiesByClassificationOfEntity

hban:AmortizationMethodQualifiedAffordableHousingProjectInvestmentsAccumulatedAmortization

hban:LowIncomeHousingTaxCreditPartners



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-31
Value540515505483461439419399379360342327310300285272261248208
Percentage of AmortizationMethodQualifiedAffordableHousingProjectInvestmentsAccumulatedAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

hban:AvailableForSaleSecuritiesTransferredToHeldToMaturitySecurities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-03-312012-12-312011-12-31
Value15200000554000-283371000100003000000000029200278469
Percentage of AvailableForSaleSecuritiesTransferredToHeldToMaturitySecurities100.00.00.00.00.0100.00.00.0100.0100.0100.0100.00.0100.00.00.00.00.00.00.00.0100.00.00.0100.0100.0

us-gaap:FinancingReceivablePortfolioSegment

hban:CapitalLeasesGrossInvestmentInDirectFinancingLeases

us-gaap:CommercialPortfolioSegment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value2537256924442416244424732400267922631535
Percentage of CapitalLeasesGrossInvestmentInDirectFinancingLeases100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueByMeasurementBasis

hban:CashAndShortTermAssets

us-gaap:CarryingReportedAmountFairValueDisclosure



Period End2020-03-312019-12-312019-09-302019-06-302018-12-312018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value19041272175817472725111515671243159213711443171391288289810901451973128595212881044105811701333
Percentage of CashAndShortTermAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EstimateOfFairValueFairValueDisclosure



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value19041272175817471483272513421423111515671243159213711443171391288289810901451973128595212881044105811701333
Percentage of CashAndShortTermAssets100.0100.0100.0100.00.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueByMeasurementBasis, hban:ReportedValueMeasurement

us-gaap:CarryingReportedAmountFairValueDisclosure, hban:AmortizedCost



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value19041272175817472725
Percentage of CashAndShortTermAssets100.0100.0100.0100.0100.0

us-gaap:FinancialInstrument

hban:CommitmentsToSellResidentialRealEstateLoans

hban:CommitmentstoSellLoans



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-31
Value2200140020001400900840107511008007001000110090080010001112826659545
Percentage of CommitmentsToSellResidentialRealEstateLoans100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

hban:CreditRisksFromInterestRateSwapsUsedForTradingPurposes



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-03-312013-12-312013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value99740751538623713211510153119156156171196391349306224272200267219165161160187261296336331288309330252225263357334
Percentage of CreditRisksFromInterestRateSwapsUsedForTradingPurposes100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrument, us-gaap:LongtermDebtType

hban:DebtInstrumentPercentofValue

hban:HuntingtonNationalBankSeniorNoteDueFebruary20231.8Percent, us-gaap:SeniorNotes



Period End2020-03-31
Value0.99916
Percentage of DebtInstrumentPercentofValue100.0

hban:HuntingtonNationalBankSeniorNoteDueFebruary420302.550Percent, us-gaap:SeniorNotes



Period End2020-03-31
Value0.99597
Percentage of DebtInstrumentPercentofValue99.7

us-gaap:DerivativeInstrumentRisk

hban:DerivativeFinancialInstrumentsUsedByCompanyOnBehalfOfCustomersIncludingOffsettingDerivativesNotionalValue

hban:DerivativeUsedInTradingActivity



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value3200030000300002700028000260002500024000230002200021000210002100021000196001500014600
Percentage of DerivativeFinancialInstrumentsUsedByCompanyOnBehalfOfCustomersIncludingOffsettingDerivativesNotionalValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

hban:EquitySecuritiesFVNIAccumulatedGrossUnrealizedGainbeforeTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value1000000.00.00.00.01000000.01.00.0
Percentage of EquitySecuritiesFVNIAccumulatedGrossUnrealizedGainbeforeTax100.00.00.00.0100.0100.00.0

us-gaap:FinancialInstrument

us-gaap:EquitySecurities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value1000000.00.00.01000000.01000000.01.00.0
Percentage of EquitySecuritiesFVNIAccumulatedGrossUnrealizedGainbeforeTax100.00.00.00.0100.0100.00.0

us-gaap:MutualFund



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value0.00.00.0-1000000.00.00.00.0
Percentage of EquitySecuritiesFVNIAccumulatedGrossUnrealizedGainbeforeTax0.00.00.00.00.00.00.0

us-gaap:FinancingReceivablePortfolioSegment

hban:FinancingReceivableAccruedInterestBeforeAllowanceForCreditLoss

us-gaap:CommercialPortfolioSegment



Period End2020-03-31
Value83
Percentage of FinancingReceivableAccruedInterestBeforeAllowanceForCreditLoss100.0

us-gaap:ConsumerPortfolioSegment



Period End2020-03-31
Value117
Percentage of FinancingReceivableAccruedInterestBeforeAllowanceForCreditLoss141.0

us-gaap:CreditScoreFico, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

hban:FinancingReceivableRevolvingConvertedToTermLoan

hban:FICOScore650749, us-gaap:ConsumerPortfolioSegment, hban:OtherConsumerLoan



Period End2020-03-31
Value30
Percentage of FinancingReceivableRevolvingConvertedToTermLoan100.0

hban:FICOScore650749, us-gaap:ConsumerPortfolioSegment, hban:RVandMarineFinanceLoan



Period End2020-03-31
Value0.0
Percentage of FinancingReceivableRevolvingConvertedToTermLoan0.0

hban:FICOScore650749, us-gaap:ConsumerPortfolioSegment, hban:ResidentialLoan



Period End2020-03-31
Value0.0
Percentage of FinancingReceivableRevolvingConvertedToTermLoan0.0

hban:FICOScore650749, us-gaap:ConsumerPortfolioSegment, us-gaap:AutomobileLoan



Period End2020-03-31
Value0.0
Percentage of FinancingReceivableRevolvingConvertedToTermLoan0.0

hban:FICOScore650749, us-gaap:ConsumerPortfolioSegment, us-gaap:HomeEquityLoan



Period End2020-03-31
Value193
Percentage of FinancingReceivableRevolvingConvertedToTermLoan643.3

hban:FICOScoreGreaterthan750, us-gaap:ConsumerPortfolioSegment, hban:OtherConsumerLoan



Period End2020-03-31
Value2
Percentage of FinancingReceivableRevolvingConvertedToTermLoan6.7

hban:FICOScoreGreaterthan750, us-gaap:ConsumerPortfolioSegment, hban:RVandMarineFinanceLoan



Period End2020-03-31
Value0.0
Percentage of FinancingReceivableRevolvingConvertedToTermLoan0.0

hban:FICOScoreGreaterthan750, us-gaap:ConsumerPortfolioSegment, hban:ResidentialLoan



Period End2020-03-31
Value0.0
Percentage of FinancingReceivableRevolvingConvertedToTermLoan0.0

hban:FICOScoreGreaterthan750, us-gaap:ConsumerPortfolioSegment, us-gaap:AutomobileLoan



Period End2020-03-31
Value0.0
Percentage of FinancingReceivableRevolvingConvertedToTermLoan0.0

hban:FICOScoreGreaterthan750, us-gaap:ConsumerPortfolioSegment, us-gaap:HomeEquityLoan



Period End2020-03-31
Value191
Percentage of FinancingReceivableRevolvingConvertedToTermLoan636.7

hban:FICOScoreLessthan650, us-gaap:ConsumerPortfolioSegment, hban:OtherConsumerLoan



Period End2020-03-31
Value49
Percentage of FinancingReceivableRevolvingConvertedToTermLoan163.3

hban:FICOScoreLessthan650, us-gaap:ConsumerPortfolioSegment, hban:RVandMarineFinanceLoan



Period End2020-03-31
Value0.0
Percentage of FinancingReceivableRevolvingConvertedToTermLoan0.0

hban:FICOScoreLessthan650, us-gaap:ConsumerPortfolioSegment, hban:ResidentialLoan



Period End2020-03-31
Value0.0
Percentage of FinancingReceivableRevolvingConvertedToTermLoan0.0

hban:FICOScoreLessthan650, us-gaap:ConsumerPortfolioSegment, us-gaap:AutomobileLoan



Period End2020-03-31
Value0.0
Percentage of FinancingReceivableRevolvingConvertedToTermLoan0.0

hban:FICOScoreLessthan650, us-gaap:ConsumerPortfolioSegment, us-gaap:HomeEquityLoan



Period End2020-03-31
Value118
Percentage of FinancingReceivableRevolvingConvertedToTermLoan393.3

us-gaap:FinancingReceivablePortfolioSegment

us-gaap:CommercialPortfolioSegment



Period End2020-03-31
Value3
Percentage of FinancingReceivableRevolvingConvertedToTermLoan10.0

us-gaap:CommercialRealEstatePortfolioSegment



Period End2020-03-31
Value0.0
Percentage of FinancingReceivableRevolvingConvertedToTermLoan0.0

us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:ConsumerPortfolioSegment, hban:OtherConsumerLoan



Period End2020-03-31
Value81
Percentage of FinancingReceivableRevolvingConvertedToTermLoan270.0

us-gaap:ConsumerPortfolioSegment, hban:RVandMarineFinanceLoan



Period End2020-03-31
Value0.0
Percentage of FinancingReceivableRevolvingConvertedToTermLoan0.0

us-gaap:ConsumerPortfolioSegment, hban:ResidentialLoan



Period End2020-03-31
Value0.0
Percentage of FinancingReceivableRevolvingConvertedToTermLoan0.0

us-gaap:ConsumerPortfolioSegment, us-gaap:AutomobileLoan



Period End2020-03-31
Value0.0
Percentage of FinancingReceivableRevolvingConvertedToTermLoan0.0

us-gaap:ConsumerPortfolioSegment, us-gaap:HomeEquityLoan



Period End2020-03-31
Value502
Percentage of FinancingReceivableRevolvingConvertedToTermLoan1673.3

us-gaap:FinancingReceivablePortfolioSegment, us-gaap:InternalCreditAssessment

us-gaap:CommercialPortfolioSegment, us-gaap:Doubtful



Period End2020-03-31
Value0.0
Percentage of FinancingReceivableRevolvingConvertedToTermLoan0.0

us-gaap:CommercialPortfolioSegment, us-gaap:Pass



Period End2020-03-31
Value3
Percentage of FinancingReceivableRevolvingConvertedToTermLoan10.0

us-gaap:CommercialPortfolioSegment, us-gaap:SpecialMention



Period End2020-03-31
Value0.0
Percentage of FinancingReceivableRevolvingConvertedToTermLoan0.0

us-gaap:CommercialPortfolioSegment, us-gaap:Substandard



Period End2020-03-31
Value0.0
Percentage of FinancingReceivableRevolvingConvertedToTermLoan0.0

us-gaap:CommercialRealEstatePortfolioSegment, us-gaap:Doubtful



Period End2020-03-31
Value0.0
Percentage of FinancingReceivableRevolvingConvertedToTermLoan0.0

us-gaap:CommercialRealEstatePortfolioSegment, us-gaap:Pass



Period End2020-03-31
Value0.0
Percentage of FinancingReceivableRevolvingConvertedToTermLoan0.0

us-gaap:CommercialRealEstatePortfolioSegment, us-gaap:SpecialMention



Period End2020-03-31
Value0.0
Percentage of FinancingReceivableRevolvingConvertedToTermLoan0.0

us-gaap:CommercialRealEstatePortfolioSegment, us-gaap:Substandard



Period End2020-03-31
Value0.0
Percentage of FinancingReceivableRevolvingConvertedToTermLoan0.0

us-gaap:VariableInterestEntitiesByClassificationOfEntity

hban:GrossInvestmentInQualifiedAffordableHousingProjects

hban:LowIncomeHousingTaxCreditPartners



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-31
Value134312421219122111461147110210241013996980942870877854725674674646576
Percentage of GrossInvestmentInQualifiedAffordableHousingProjects100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis, us-gaap:FairValueByMeasurementFrequency

hban:ImpairedLoansFairValueDisclosure

us-gaap:FairValueInputsLevel3, us-gaap:EstimateOfFairValueFairValueDisclosure, us-gaap:FairValueMeasurementsNonrecurring



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value632620144933535558366836525356436862
Percentage of ImpairedLoansFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueByMeasurementBasis, us-gaap:FairValueByMeasurementFrequency

us-gaap:ChangeDuringPeriodFairValueDisclosure, us-gaap:FairValueMeasurementsNonrecurring



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value171100-1100-5-3-3511551-20
Percentage of ImpairedLoansFairValueDisclosure27.03.85.00.00.0-3.01.90.00.0-13.9-5.8-8.610.121.29.813.52.1-33.5

us-gaap:EstimateOfFairValueFairValueDisclosure, us-gaap:FairValueMeasurementsNonrecurring



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value6326201449335355583668365253564368
Percentage of ImpairedLoansFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

hban:InterestbearingdepositsatFederalReserveBank



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value3361256187285321564308
Percentage of InterestbearingdepositsatFederalReserveBank100.0100.0100.0100.0100.0100.0100.0

hban:InvestmentInUnconsolidatedSubsidiary



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-31
Value14141414141414131313131313131313131313131313141417
Percentage of InvestmentInUnconsolidatedSubsidiary100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:VariableInterestEntitiesByClassificationOfEntity

hban:CamcoFinancialTrust



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value1000000.01000000.01000000.01000000.01000000.01000000.01000000.01000000.01000000.01000000.0155000.0155000.0155000.0155000.0155000.0155000.0
Percentage of InvestmentInUnconsolidatedSubsidiary7.10.07.17.17.10.07.17.17.10.01.11.11.10.01.11.1

hban:HuntingtonCapitalI



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-31
Value666666666666666666666666666666
Percentage of InvestmentInUnconsolidatedSubsidiary42.90.042.942.942.90.042.942.942.90.044.444.444.40.044.444.444.40.044.444.444.444.444.444.444.944.944.941.641.535.6

hban:HuntingtonCapitalIi



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-31
Value333333333333333333333333333333
Percentage of InvestmentInUnconsolidatedSubsidiary21.40.021.421.421.40.021.421.421.40.022.222.222.20.022.222.222.20.022.222.222.222.222.222.222.522.522.520.820.817.8

hban:SkyFinancialCapitalTrustIII



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-31
Value222222222222222222222222222222
Percentage of InvestmentInUnconsolidatedSubsidiary14.30.014.314.314.30.014.314.314.30.015.615.615.60.015.615.615.60.015.615.615.615.615.615.615.715.715.714.614.512.5

hban:SkyFinancialCapitalTrustIV



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-31
Value222222222222222222222222222222
Percentage of InvestmentInUnconsolidatedSubsidiary14.30.014.314.314.30.014.314.314.30.016.716.716.70.016.716.716.70.016.716.716.716.716.716.716.916.916.915.615.613.4

us-gaap:Range, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument, us-gaap:MeasurementInputType, us-gaap:ValuationTechnique

hban:LoansheldforinvestmentMeasurementInput

srt:Minimum, us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring, us-gaap:DerivativeFinancialInstrumentsAssets, hban:MeasurementInputEstimatedPullThru, us-gaap:MarketApproachValuationTechnique



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value0.850.910.90.890.880.92
Percentage of LoansheldforinvestmentMeasurementInput100.0100.0100.0100.0100.0100.0

srt:Minimum, us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring, us-gaap:DerivativeFinancialInstrumentsAssets, hban:MeasurementInputNetMarketPrice, us-gaap:ValuationTechniqueConsensusPricingModel



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value0.040.020.020.040.030.02
Percentage of LoansheldforinvestmentMeasurementInput4.72.22.24.53.42.2

us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument

hban:MortgagesHeldForSaleUnpaidPrincipal

us-gaap:FairValueMeasurementsRecurring, hban:MortgagesHeldForSale



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-31
Value791755932711506594713625416400564433
Percentage of MortgagesHeldForSaleUnpaidPrincipal100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument, us-gaap:FinancingReceivablesPeriodPastDue

us-gaap:FairValueMeasurementsRecurring, hban:MortgagesHeldForSale, us-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-31
Value121000001100
Percentage of MortgagesHeldForSaleUnpaidPrincipal0.10.30.10.00.00.00.00.00.20.20.10.0

us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument

hban:MortgagesHeldToMaturityUnpaidPrincipal

us-gaap:FairValueMeasurementsRecurring, hban:MortgagesHeldToMaturity



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-31
Value86878686868788939410210791
Percentage of MortgagesHeldToMaturityUnpaidPrincipal100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument, us-gaap:FinancingReceivablesPeriodPastDue

us-gaap:FairValueMeasurementsRecurring, hban:MortgagesHeldToMaturity, us-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-31
Value546777789111111
Percentage of MortgagesHeldToMaturityUnpaidPrincipal5.84.67.08.18.18.08.08.69.610.810.912.0

us-gaap:FairValueByMeasurementBasis

hban:OtherSecurities

us-gaap:CarryingReportedAmountFairValueDisclosure



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value488441455440486565565597602600
Percentage of OtherSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EstimateOfFairValueFairValueDisclosure



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value488441455440486565565597602600
Percentage of OtherSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueByMeasurementBasis, hban:ReportedValueMeasurement

us-gaap:CarryingReportedAmountFairValueDisclosure, hban:AmortizedCost



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value438387401426543
Percentage of OtherSecurities89.887.888.196.896.1

us-gaap:CarryingReportedAmountFairValueDisclosure, hban:FairValueFairValueOption



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value5054541422
Percentage of OtherSecurities10.212.211.93.23.9

us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

hban:OtherSecuritiesFairValue

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value50545414232222212119
Percentage of OtherSecuritiesFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value50545414232222212119
Percentage of OtherSecuritiesFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis

hban:OtherSecuritiesOnlyMeasuredAtFairValue

us-gaap:FairValueInputsLevel1, us-gaap:EstimateOfFairValueFairValueDisclosure



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value50545414232222212119
Percentage of OtherSecuritiesOnlyMeasuredAtFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueByMeasurementBasis

us-gaap:EstimateOfFairValueFairValueDisclosure



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value50545414232222212119
Percentage of OtherSecuritiesOnlyMeasuredAtFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeInstrumentRisk

hban:TradingAssets

hban:DerivativeUsedInMortgageBankingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value6419301940
Percentage of TradingAssets100.0100.0100.0100.0100.00.0

us-gaap:FinancialInstrument

hban:UnpaidPrincipalBalanceOfThirdPartyServicedLoans

us-gaap:ResidentialMortgage



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-312010-12-31
Value2280022400217002150021300210002060020200201001980019300191001910018900186001620016200162001590015700156001560015600156001560015200156001520015400156001590015900
Percentage of UnpaidPrincipalBalanceOfThirdPartyServicedLoans100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AdditionalPaidInCapital



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-31
Value87288806898090309167918193581003810025970798209920989898819863707470507038705371097185722172437279737273987387739074517475755175697602759675947588758476306743673967356731
Percentage of AdditionalPaidInCapital100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:VariableInterestEntitiesByClassificationOfEntity

us-gaap:AmortizationMethodQualifiedAffordableHousingProjectInvestments

hban:LowIncomeHousingTaxCreditPartners



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-31
Value803727714738685708683625634636638615559576568452413425368
Percentage of AmortizationMethodQualifiedAffordableHousingProjectInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-31
Value3751371581096431121318284465574715519316088117
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancialInstrument

hban:OtherFederalAgencies



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value21010001
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax0.50.70.00.90.00.00.03.6

us-gaap:AssetBackedSecurities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value06882101
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax0.04.45.17.33.13.20.03.6

us-gaap:CollateralizedMortgageObligations



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value212487153251501
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax56.535.044.948.639.148.40.03.6

us-gaap:CommercialMortgageBackedSecurities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value101300000
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax2.70.71.90.00.00.00.00.0

us-gaap:CorporateDebtSecurities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value02211013
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax0.01.51.30.91.60.08.310.7

us-gaap:MunicipalBonds



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value143435181761121
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax3.724.822.216.526.619.491.775.0

us-gaap:ResidentialMortgageBackedSecurities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value13745392819901
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax36.532.824.725.729.729.00.03.6

us-gaap:USGovernmentSponsoredEnterprisesDebtSecurities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value3619511382442403
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax96.369.371.575.268.877.40.010.7

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-31
Value1015148822083595644824162862031882592617763798392
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancialInstrument

hban:OtherFederalAgencies



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value01001250
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax0.02.00.00.00.50.60.90.0

us-gaap:AssetBackedSecurities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value2721134916
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax26.73.92.11.21.41.11.65.6

us-gaap:CollateralizedMortgageObligations



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value1181526108201367178
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax1.035.331.231.751.956.065.162.2

us-gaap:CommercialMortgageBackedSecurities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value0411653588052
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax0.07.82.119.525.516.214.218.2

us-gaap:CorporateDebtSecurities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value1000000.00.00.00.00.01000000.00.00.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax1.00.00.00.00.00.30.00.0

us-gaap:MunicipalBonds



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value7223303838787735
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax71.345.162.546.318.321.713.712.2

us-gaap:ResidentialMortgageBackedSecurities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value0311515265
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax0.05.92.11.22.44.24.61.7

us-gaap:USGovernmentSponsoredEnterprisesDebtSecurities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value1261743167276478235
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax1.051.035.452.480.376.984.882.2

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312014-12-312013-12-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-31
Value14348140631417613668141261410815127182212299307325332342378435
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancialInstrument

hban:OtherFederalAgencies



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value14516511711411912869
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis1.01.20.80.80.80.90.5

hban:OtherSecurities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value3445442
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis0.00.00.00.00.00.00.0

us-gaap:AssetBackedSecurities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value574575588448350318482
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis4.04.14.13.32.52.33.2

us-gaap:CollateralizedMortgageObligations



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value5512505566686431709371856661
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis38.435.947.047.150.250.944.0

us-gaap:CommercialMortgageBackedSecurities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value83997912371476160616412539
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis5.87.08.710.811.411.616.8

us-gaap:CorporateDebtSecurities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value484950505154106
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis0.30.30.40.40.40.40.7

us-gaap:MunicipalBonds



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value3050304431473280353935123892
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis21.321.622.224.025.124.925.7

us-gaap:ResidentialMortgageBackedSecurities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value4167418023551853135912611371
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis29.029.716.613.69.68.99.1

us-gaap:USGovernmentSponsoredEnterprisesDebtSecurities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value1067110389103879885101821022010645
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis74.473.973.372.372.172.470.4

us-gaap:USTreasurySecurities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value8101011555
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis0.10.10.10.10.00.00.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value1402159417081847187918382088195616481517144011708701128
Percentage of AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value1375160617171843186918022083196216451527143312088871139
Percentage of AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value1338119610849791028105713331147118410471665196126083540
Percentage of AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value1308118910749701018103913271149118910661697200526143510
Percentage of AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value1135111042110901052610961110271159511884525960903662398942014685
Percentage of AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value1168411125112041057110841107541134811665526360863577396741314545
Percentage of AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value25723129431625818611122333335526360103335
Percentage of AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value25522929131125418511122133235526260104337
Percentage of AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtSecurities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312014-12-312013-12-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-31
Value14622141491428613695139821378014869124133181182186195194231284
Percentage of AvailableForSaleSecuritiesDebtSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BankOwnedLifeInsurance



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-31
Value255125422532252825162507249424882480246624592448244524322422177717661757174817351725171817031693168116471633162016091596158615731562154914941480147114581450143614221412
Percentage of BankOwnedLifeInsurance100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancingReceivablePortfolioSegment

us-gaap:CapitalLeasesNetInvestmentInDirectFinancingLeases

us-gaap:CommercialPortfolioSegment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value2320233922172191221322432193243820611406
Percentage of CapitalLeasesNetInvestmentInDirectFinancingLeases100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancingReceivablePortfolioSegment

us-gaap:CapitalLeasesNetInvestmentInDirectFinancingLeasesDeferredIncome

us-gaap:CommercialPortfolioSegment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value237249245244250250225253208131
Percentage of CapitalLeasesNetInvestmentInDirectFinancingLeasesDeferredIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancingReceivablePortfolioSegment

us-gaap:CapitalLeasesNetInvestmentInDirectFinancingLeasesInitialDirectCosts

us-gaap:CommercialPortfolioSegment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value201918191920181272
Percentage of CapitalLeasesNetInvestmentInDirectFinancingLeasesInitialDirectCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancingReceivablePortfolioSegment

us-gaap:CapitalLeasesNetInvestmentInDirectFinancingLeasesMinimumPaymentsToBeReceived

us-gaap:CommercialPortfolioSegment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value1815184117431716172717471645188115511051
Percentage of CapitalLeasesNetInvestmentInDirectFinancingLeasesMinimumPaymentsToBeReceived100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancingReceivablePortfolioSegment

us-gaap:CapitalLeasesNetInvestmentInDirectFinancingLeasesUnguaranteedResidualValuesOfLeasedProperty

us-gaap:CommercialPortfolioSegment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value722728701700717726755797711483
Percentage of CapitalLeasesNetInvestmentInDirectFinancingLeasesUnguaranteedResidualValuesOfLeasedProperty100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CashAndDueFromBanks



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value14311045101887080411081299138210691520119315151308138416618678168471024137989912208791218973100111079938281262797121811111115219098312088471139112513101521844
Percentage of CashAndDueFromBanks100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption



Period End2020-03-31
Value-306
Percentage of CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption100.0

hban:AllowanceType

hban:ALLLDomain



Period End2020-01-01
Value-391
Percentage of CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption0.0

hban:AULCDomain



Period End2020-01-01
Value-2
Percentage of CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption0.0

us-gaap:FinancingReceivablePortfolioSegment, hban:AllowanceType

us-gaap:CommercialPortfolioSegment, hban:ALLLDomain



Period End2020-01-01
Value-180
Percentage of CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption0.0

us-gaap:CommercialPortfolioSegment, hban:AULCDomain



Period End2020-01-01
Value38
Percentage of CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption0.0

us-gaap:ConsumerPortfolioSegment, hban:ALLLDomain



Period End2020-01-01
Value211
Percentage of CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption0.0

us-gaap:ConsumerPortfolioSegment, hban:AULCDomain



Period End2020-01-01
Value40
Percentage of CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption0.0

us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings



Period End2020-03-31
Value-306
Percentage of CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption100.0

us-gaap:DebtInstrumentCarryingAmount



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value25298442522522528781252252252933525225225283822923173177021317317317317317317317312312312312312350464554554587587
Percentage of DebtInstrumentCarryingAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:VariableInterestEntitiesByClassificationOfEntity

hban:CamcoFinancialTrust



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value4444444444444444
Percentage of DebtInstrumentCarryingAmount1.60.01.61.61.60.01.61.61.60.01.71.71.70.11.41.3

hban:HuntingtonCapitalI



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value707070707070707070706969696992111111111111111111111111111111111111111111111111111111111
Percentage of DebtInstrumentCarryingAmount27.80.727.827.827.80.827.827.827.80.727.627.627.60.831.535.335.31.635.335.335.335.335.335.335.335.735.735.735.735.731.924.120.220.2

hban:HuntingtonCapitalIi



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value32323232323232323232323232324954545454545454545454545454545454545454
Percentage of DebtInstrumentCarryingAmount12.70.312.712.712.70.412.712.712.70.312.712.712.70.417.017.217.20.817.217.217.217.217.217.217.217.417.417.417.417.415.611.89.89.8

hban:SkyFinancialCapitalTrustIII



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value72727272727272727272727272727272727272727272727272727272727272727272
Percentage of DebtInstrumentCarryingAmount28.60.728.628.628.60.828.628.628.60.828.628.628.60.924.722.822.81.022.822.822.822.822.822.822.823.123.123.123.123.120.615.513.013.0

hban:SkyFinancialCapitalTrustIV



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value74747474747474747474747474747474747474747474747474747474747474747777
Percentage of DebtInstrumentCarryingAmount29.40.829.429.429.40.829.429.429.40.829.429.429.40.925.423.423.41.123.423.423.423.423.423.423.423.823.823.823.823.821.216.013.913.9

us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:DebtInstrumentFaceAmount

hban:HuntingtonNationalBankSeniorNoteDueFebruary20231.8Percent, us-gaap:SeniorNotes



Period End2020-01-28
Value500
Percentage of DebtInstrumentFaceAmount100.0

hban:HuntingtonNationalBankSeniorNoteDueFebruary420302.550Percent, us-gaap:SeniorNotes



Period End2020-01-28
Value750
Percentage of DebtInstrumentFaceAmount150.0

us-gaap:VariableInterestEntitiesByClassificationOfEntity

us-gaap:DebtInstrumentInterestRateEffectivePercentage

hban:CamcoFinancialTrust



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value0.02780.03240.03420.03650.03920.04130.03730.03670.03640.03020.03760.03690.03590.03430.03320.0309
Percentage of DebtInstrumentInterestRateEffectivePercentage100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

hban:HuntingtonCapitalI



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value0.02150.02610.02790.03020.03290.0350.0310.03040.03010.02390.02010.01870.01740.01590.01460.01340.01320.01030.010.00980.00960.00930.00940.00930.00940.00940.00970.00980.010.01011.150.01450.01250.0113
Percentage of DebtInstrumentInterestRateEffectivePercentage77.380.681.682.783.984.783.182.882.779.153.550.748.546.444.043.40.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

hban:HuntingtonCapitalIi



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value0.02080.02530.02710.02940.03220.03420.03020.02960.02940.02320.01950.01870.01760.01590.01480.01280.01260.01140.00960.00910.0090.00870.00860.00860.00860.00870.00880.0090.00910.00931.010.01090.0110.0117
Percentage of DebtInstrumentInterestRateEffectivePercentage74.878.179.280.582.182.881.080.780.876.851.950.749.046.444.641.40.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

hban:SkyFinancialCapitalTrustIII



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value0.02850.03310.03490.03720.03990.0420.0380.03740.03710.03090.02740.0270.02550.0240.02240.02030.02030.02010.01730.01680.01680.01660.01630.01630.01630.01650.01650.01670.01680.01711.860.01870.01980.0177
Percentage of DebtInstrumentInterestRateEffectivePercentage102.5102.2102.0101.9101.8101.7101.9101.9101.9102.372.973.271.070.067.565.70.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

hban:SkyFinancialCapitalTrustIV



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value0.02850.03310.03490.03720.03990.0420.0380.03740.03710.03090.0270.02550.0240.02250.02050.02030.02010.01730.01680.01670.01660.01630.01630.01630.01650.01650.01670.01680.01710.01761.860.01870.01980.0177
Percentage of DebtInstrumentInterestRateEffectivePercentage102.5102.2102.0101.9101.8101.7101.9101.9101.9102.371.869.166.965.661.765.70.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value1223204129486208951396796728
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancialInstrument

hban:OtherFederalAgencies



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value00011161240
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger0.00.00.00.01.21.30.0

us-gaap:AssetBackedSecurities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value34379348153117173
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger2.81.83.20.81.61.22.6

us-gaap:CollateralizedMortgageObligations



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value051912073138528759434520
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger0.025.440.950.555.661.467.2

us-gaap:CommercialMortgageBackedSecurities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value42724011330155315731527
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger0.313.313.621.416.316.322.7

us-gaap:CorporateDebtSecurities



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value0.00.00.01000000.01000000.0
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger0.00.00.00.00.0

us-gaap:MunicipalBonds



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value117812041238163618671602497
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger96.359.042.026.419.616.67.4

us-gaap:ResidentialMortgageBackedSecurities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value7995453731911
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger0.60.40.30.95.63.30.2

us-gaap:USGovernmentSponsoredEnterprisesDebtSecurities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value1180016174523749379596058
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger0.939.254.972.978.882.290.0

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value48303774200324225
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancialInstrument

hban:OtherFederalAgencies



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value0000120
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss0.00.00.00.00.50.60.0

us-gaap:AssetBackedSecurities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value31112215
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss6.23.32.71.41.00.66.7

us-gaap:CollateralizedMortgageObligations



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value081226108198159
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss0.026.732.435.154.061.170.7

us-gaap:CommercialMortgageBackedSecurities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value02116535837
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss0.06.72.721.626.517.916.4

us-gaap:CorporateDebtSecurities



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value0.00.00.00.01000000.0
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss0.00.00.00.00.3

us-gaap:MunicipalBonds



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value45192331315414
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss93.863.362.241.915.516.76.2

us-gaap:ResidentialMortgageBackedSecurities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value0000590
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss0.00.00.00.02.52.80.0

us-gaap:USGovernmentSponsoredEnterprisesDebtSecurities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value0101342167267196
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss0.033.335.156.883.582.487.1

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value17213323219290867622545545
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancialInstrument

hban:OtherFederalAgencies



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value5086100039
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months2.92.60.00.00.00.00.7

us-gaap:AssetBackedSecurities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value43911668445695127
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months25.53.53.14.88.34.22.3

us-gaap:CollateralizedMortgageObligations



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value94120612870274251660
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months5.536.358.70.04.018.929.9

us-gaap:CommercialMortgageBackedSecurities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value0472800010960
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months0.014.23.60.00.00.417.3

us-gaap:CorporateDebtSecurities



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value3610040
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months2.10.00.00.01.8

us-gaap:MunicipalBonds



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value110227340356959314251681
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months64.08.218.462.787.763.230.3

us-gaap:ResidentialMortgageBackedSecurities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value0116935329502591078
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months0.035.216.132.50.011.519.4

us-gaap:USGovernmentSponsoredEnterprisesDebtSecurities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value14429331721295276943737
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months8.488.378.532.54.030.867.4

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value532111883561
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancialInstrument

hban:OtherFederalAgencies



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value0.01000000.00.00.00.00.00.0
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss0.04.80.00.00.00.00.0

us-gaap:AssetBackedSecurities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value24100121
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss45.34.80.00.012.55.71.6

us-gaap:CollateralizedMortgageObligations



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value110300319
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss1.947.627.30.00.08.631.1

us-gaap:CommercialMortgageBackedSecurities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value02000015
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss0.09.50.00.00.00.024.6

us-gaap:CorporateDebtSecurities



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value1000000.00.00.00.00.0
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss1.90.00.00.00.0

us-gaap:MunicipalBonds



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value2747772421
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss50.919.063.687.587.568.634.4

us-gaap:ResidentialMortgageBackedSecurities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value0311065
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss0.014.39.112.50.017.18.2

us-gaap:USGovernmentSponsoredEnterprisesDebtSecurities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value116410939
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss1.976.236.412.50.025.763.9

us-gaap:Range, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument, us-gaap:MeasurementInputType, us-gaap:ValuationTechnique

us-gaap:DebtSecuritiesAvailableForSaleMeasurementInput

srt:Maximum, us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring, us-gaap:CorporateDebtSecurities, us-gaap:MeasurementInputDefaultRate, us-gaap:ValuationTechniqueDiscountedCashFlow



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value0.390.390.640.640.390.390.64
Percentage of DebtSecuritiesAvailableForSaleMeasurementInput100.0100.0100.0100.0100.0100.0100.0

srt:Maximum, us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring, us-gaap:CorporateDebtSecurities, us-gaap:MeasurementInputDiscountRate, us-gaap:ValuationTechniqueDiscountedCashFlow



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value0.030.030.030.030.030.040.1
Percentage of DebtSecuritiesAvailableForSaleMeasurementInput7.77.74.74.77.710.315.6

srt:Maximum, us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring, us-gaap:CorporateDebtSecurities, us-gaap:MeasurementInputLossSeverity, us-gaap:ValuationTechniqueDiscountedCashFlow



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value0.80.80.80.80.90.90.9
Percentage of DebtSecuritiesAvailableForSaleMeasurementInput205.1205.1125.0125.0230.8230.8140.6

srt:Minimum, us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring, us-gaap:CorporateDebtSecurities, us-gaap:MeasurementInputDiscountRate, us-gaap:ValuationTechniqueDiscountedCashFlow



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value0.030.020.020.030.030.040.0
Percentage of DebtSecuritiesAvailableForSaleMeasurementInput7.75.13.14.77.710.30.0

srt:WeightedAverage, us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring, us-gaap:CorporateDebtSecurities, us-gaap:MeasurementInputDefaultRate, us-gaap:ValuationTechniqueDiscountedCashFlow



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value0.040.040.040.040.030.030.03
Percentage of DebtSecuritiesAvailableForSaleMeasurementInput10.310.36.26.27.77.74.7

srt:WeightedAverage, us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring, us-gaap:CorporateDebtSecurities, us-gaap:MeasurementInputDiscountRate, us-gaap:ValuationTechniqueDiscountedCashFlow



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value0.030.020.020.030.030.040.04
Percentage of DebtSecuritiesAvailableForSaleMeasurementInput7.75.13.14.77.710.36.2

srt:WeightedAverage, us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring, us-gaap:CorporateDebtSecurities, us-gaap:MeasurementInputLossSeverity, us-gaap:ValuationTechniqueDiscountedCashFlow



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value0.240.240.240.250.240.250.24
Percentage of DebtSecuritiesAvailableForSaleMeasurementInput61.561.537.539.161.564.137.5

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPosition



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value2944536451407116101891193312273
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPosition100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancialInstrument

hban:OtherFederalAgencies



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value50861111612439
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPosition1.71.60.00.01.11.00.3

us-gaap:AssetBackedSecurities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value47315316192209212300
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPosition16.12.93.11.32.11.82.4

us-gaap:CollateralizedMortgageObligations



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value94172524943138531463686180
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPosition3.232.248.544.152.253.450.4

us-gaap:CommercialMortgageBackedSecurities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value47444811330155315832487
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPosition0.113.99.418.715.213.320.3

us-gaap:CorporateDebtSecurities



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value3610141
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPosition1.20.00.00.00.3

us-gaap:MunicipalBonds



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value2280147716412205246030272178
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPosition77.427.531.931.024.125.417.7

us-gaap:ResidentialMortgageBackedSecurities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value711783623495375781089
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPosition0.222.07.04.95.34.88.9

us-gaap:USGovernmentSponsoredEnterprisesDebtSecurities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value155373333384818752086539795
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPosition5.369.664.967.773.872.579.8

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value101514882208359286
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancialInstrument

hban:OtherFederalAgencies



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value0100120
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss0.02.00.00.00.50.60.0

us-gaap:AssetBackedSecurities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value272113416
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss26.73.92.11.21.41.15.6

us-gaap:CollateralizedMortgageObligations



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value1181526108201178
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss1.035.331.231.751.956.062.2

us-gaap:CommercialMortgageBackedSecurities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value04116535852
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss0.07.82.119.525.516.218.2

us-gaap:CorporateDebtSecurities



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value1000000.00.00.00.01000000.0
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss1.00.00.00.00.3

us-gaap:MunicipalBonds



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value72233038387835
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss71.345.162.546.318.321.712.2

us-gaap:ResidentialMortgageBackedSecurities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value03115155
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss0.05.92.11.22.44.21.7

us-gaap:USGovernmentSponsoredEnterprisesDebtSecurities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value1261743167276235
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss1.051.035.452.480.376.982.2

us-gaap:FinancialInstrument

us-gaap:DeferredRevenue

us-gaap:StandbyLettersOfCredit



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-31
Value88101214131091110587888774
Percentage of DeferredRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Deposits



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-31
Value868308234782395808828215584774816897958779471770417844575933774227560777405550435562855294542445347352832517325012948748493484750646564463314686746252467414607645008432794321941402413664185341072398484030340493
Percentage of Deposits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value4612316431723053297241343836393441113748395842684355408349103290
Percentage of Deposits5.33.83.83.83.64.94.74.95.24.95.05.65.65.46.36.0

us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, hban:CommercialBanking



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-31
Value23530207622108820049205432318522288211422183821235207951786719041156161643410353112571142411184
Percentage of Deposits27.125.225.624.825.027.327.326.627.527.626.523.524.620.721.218.820.220.721.6

us-gaap:OperatingSegments, hban:ConsumerAndBusinessBanking



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value518985167551671515775235450300494344818647124456434569445971458024486030964
Percentage of Deposits59.862.862.763.863.759.360.560.559.359.258.360.559.259.356.0

us-gaap:OperatingSegments, hban:RegionalBankingAndTheHuntingtonPrivateClientGroup



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-31
Value6265637061015863595968095783598560536057594458825981852187058161788976906727
Percentage of Deposits7.27.77.47.27.38.07.17.57.67.97.67.77.711.311.214.814.213.913.0

us-gaap:OperatingSegments, hban:VehicleFinance



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value525376363340327346348340345358
Percentage of Deposits0.60.50.40.40.40.40.40.40.40.5

us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis

us-gaap:FairValueInputsLevel2, us-gaap:EstimateOfFairValueFairValueDisclosure



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-312014-06-302014-03-312013-12-312013-09-302012-12-31
Value82071767907570773905748597692274423733717457373975752307362174456723197405652421525445186951244481834390844371422794085440542
Percentage of Deposits94.593.391.991.491.190.791.192.293.896.095.997.096.295.795.795.294.593.894.593.190.189.989.087.787.7

us-gaap:FairValueInputsLevel3, us-gaap:EstimateOfFairValueFairValueDisclosure



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-312014-06-302014-03-312013-12-312013-09-302012-12-31
Value4772555466916985727178097208616348523035319237603781384141762783309734303587427148685525585364535872
Percentage of Deposits5.56.78.18.68.99.28.87.76.13.94.15.04.95.15.45.15.66.26.68.310.011.212.313.912.7

us-gaap:FairValueByMeasurementBasis

us-gaap:CarryingReportedAmountFairValueDisclosure



Period End2020-03-312019-12-312019-09-302019-06-302018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value868308234782395808828477481689795877947177041784457593377422756077740555043556285529454244534735283251732501294874849348475064656446252
Percentage of Deposits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EstimateOfFairValueFairValueDisclosure



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value86843823448239880890821308473181631795347942577010784227738278238761617823255205556415529954831538355338252454509304877649896481324730746330
Percentage of Deposits100.0100.0100.0100.0100.099.999.999.999.9100.0100.0101.9101.1100.7101.1100.3100.0100.0101.1100.7101.0101.4101.6100.1101.1101.3101.6100.2

us-gaap:FairValueByMeasurementBasis, hban:ReportedValueMeasurement

us-gaap:CarryingReportedAmountFairValueDisclosure, hban:AmortizedCost



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value8683082347823958088284774
Percentage of Deposits100.0100.0100.0100.0100.0

us-gaap:DerivativeAssetFairValueGrossLiabilityAndObligationToReturnCashOffset



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-312015-12-312014-12-31
Value1302404546398259291318275269190154181161101
Percentage of DerivativeAssetFairValueGrossLiabilityAndObligationToReturnCashOffset100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis

us-gaap:FairValueInputsLevel3, us-gaap:EstimateOfFairValueFairValueDisclosure



Period End2020-03-312019-12-31
Value-1302-404
Percentage of DerivativeAssetFairValueGrossLiabilityAndObligationToReturnCashOffset-100.0-100.0

us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value1302404546398259291318275269190154144173181172222219161
Percentage of DerivativeAssetFairValueGrossLiabilityAndObligationToReturnCashOffset100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.00.00.00.0100.0

us-gaap:Range, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument, us-gaap:MeasurementInputType, us-gaap:ValuationTechnique

us-gaap:DerivativeAssetMeasurementInput

srt:Maximum, us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring, us-gaap:DerivativeFinancialInstrumentsAssets, hban:MeasurementInputNetMarketPrice, us-gaap:ValuationTechniqueConsensusPricingModel



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value0.130.110.140.090.110.230.2
Percentage of DerivativeAssetMeasurementInput100.0100.0100.0100.0100.0100.0100.0

srt:Minimum, us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring, us-gaap:DerivativeFinancialInstrumentsAssets, hban:MeasurementInputEstimatedPullThru, us-gaap:ValuationTechniqueConsensusPricingModel



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value0.030.020.010.040.020.010.03
Percentage of DerivativeAssetMeasurementInput23.118.27.144.418.24.315.0

srt:Minimum, us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring, us-gaap:DerivativeFinancialInstrumentsAssets, hban:MeasurementInputNetMarketPrice, us-gaap:ValuationTechniqueConsensusPricingModel



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value-0.05-0.02-0.02-0.06-0.03-0.05-0.05
Percentage of DerivativeAssetMeasurementInput-38.5-18.2-14.3-66.7-27.3-21.7-25.0

us-gaap:DerivativeAssets



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-312015-09-302014-12-312013-12-31
Value108245257743326320918017987132166238-77-101153
Percentage of DerivativeAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueByMeasurementBasis

us-gaap:CarryingReportedAmountFairValueDisclosure



Period End2020-03-312019-12-312019-09-302019-06-302018-12-312018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value10824525774332098713216619017823842836635827445137744535220722513200218385
Percentage of DerivativeAssets100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.00.00.00.00.0-582.30.00.0-348.50.00.00.0130.00.00.0

us-gaap:EstimateOfFairValueFairValueDisclosure



Period End2020-03-312019-12-312019-09-302019-06-302018-12-312018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value10824525774332098713216619017823842836635827445137744535220722513200218385
Percentage of DerivativeAssets100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.00.00.00.00.0-582.30.00.0-348.50.00.00.0130.00.00.0

us-gaap:FairValueByMeasurementBasis, hban:ReportedValueMeasurement

us-gaap:CarryingReportedAmountFairValueDisclosure, hban:FairValueFairValueOption



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value1082452577433209
Percentage of DerivativeAssets100.0100.0100.0100.0100.0

us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value108245257743326320918017987132166190178238428366358274451377445352207225226200218248330385442403347403452306251346434379
Percentage of DerivativeAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.00.00.00.00.0-582.30.00.0-348.50.00.00.0130.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:DerivativeInstrumentRisk

us-gaap:DerivativeAssetsLiabilitiesAtFairValueNet

hban:DerivativeUsedInTradingActivity



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value64878789829210099908884808180767276
Percentage of DerivativeAssetsLiabilitiesAtFairValueNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeCollateralObligationToReturnCash



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-312012-12-31
Value622931652153596111181650
Percentage of DerivativeCollateralObligationToReturnCash100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeCollateralObligationToReturnSecurities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-31
Value11565151244202112334
Percentage of DerivativeCollateralObligationToReturnSecurities100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0

us-gaap:DerivativeCollateralRightToReclaimCash



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-31
Value108752351512152021212623
Percentage of DerivativeCollateralRightToReclaimCash100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeCollateralRightToReclaimSecurities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-31
Value000300000007
Percentage of DerivativeCollateralRightToReclaimSecurities0.00.00.0100.00.00.00.00.00.00.00.0100.0

us-gaap:DerivativeFairValueOfDerivativeAsset



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-312012-12-31
Value23848561123831522500498454356322320420473
Percentage of DerivativeFairValueOfDerivativeAsset100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BalanceSheetLocation

hban:AccruedIncomeAndOtherAssets



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-31
Value23848561123831522500498454356322320324342401585572566426520462569449261280278251274279420471490
Percentage of DerivativeFairValueOfDerivativeAsset100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.095.50.00.00.00.00.00.00.00.00.00.00.00.00.00.00.099.50.0

us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis

us-gaap:FairValueInputsLevel2, us-gaap:EstimateOfFairValueFairValueDisclosure



Period End2020-03-312019-12-31
Value2342848
Percentage of DerivativeFairValueOfDerivativeAsset98.299.1

us-gaap:FairValueInputsLevel3, us-gaap:EstimateOfFairValueFairValueDisclosure



Period End2020-03-312019-12-31
Value428
Percentage of DerivativeFairValueOfDerivativeAsset1.80.9

us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-31
Value00021210000000000000
Percentage of DerivativeFairValueOfDerivativeAsset0.00.00.00.20.24.20.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-31
Value23428481112817513474493446350316312325342414585573566429449
Percentage of DerivativeFairValueOfDerivativeAsset98.299.199.098.398.394.899.098.298.398.197.40.00.098.60.00.00.00.00.0

us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-31
Value4281112855866899515141164
Percentage of DerivativeFairValueOfDerivativeAsset1.80.91.01.41.51.01.01.81.71.92.60.00.01.40.00.00.00.00.0

us-gaap:DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-31
Value90535853135623815211911874103126198
Percentage of DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeFairValueOfDerivativeLiability



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-31
Value1372521631489371404441406439331293370
Percentage of DerivativeFairValueOfDerivativeLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BalanceSheetLocation

hban:AccruedExpensesAndOtherLiabilities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-31
Value1372521631489371404441406439331293288326367388316335287311313392332173144173147150179207233257
Percentage of DerivativeFairValueOfDerivativeLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.099.30.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis

us-gaap:FairValueInputsLevel2, us-gaap:EstimateOfFairValueFairValueDisclosure



Period End2020-03-312019-12-31
Value1369519
Percentage of DerivativeFairValueOfDerivativeLiability99.899.6

us-gaap:FairValueInputsLevel3, us-gaap:EstimateOfFairValueFairValueDisclosure



Period End2020-03-312019-12-31
Value32
Percentage of DerivativeFairValueOfDerivativeLiability0.20.4

us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-31
Value000128110000000000000
Percentage of DerivativeFairValueOfDerivativeLiability0.00.00.02.52.22.70.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-31
Value1369519628474360390437399433326288284322362385323338287335
Percentage of DerivativeFairValueOfDerivativeLiability99.899.699.596.997.096.599.198.398.698.598.10.00.097.90.00.00.00.00.0

us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-31
Value3233334765566762000
Percentage of DerivativeFairValueOfDerivativeLiability0.20.40.50.60.80.70.91.71.41.51.90.00.02.10.00.00.00.00.0

us-gaap:DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-31
Value1982910410972175205182136653266
Percentage of DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeInstrumentRisk

us-gaap:DerivativeFairValueOfDerivativeNet

hban:DerivativeUsedInMortgageBankingActivities



Period End2020-03-312019-12-312019-09-302019-06-302018-12-312018-09-302017-12-31
Value-66142-487
Percentage of DerivativeFairValueOfDerivativeNet100.0100.0100.0100.0100.0100.0100.0

us-gaap:BalanceSheetLocation

us-gaap:DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAssetAtFairValue

hban:AccruedIncomeAndOtherAssets



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value06310044431101090
Percentage of DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAssetAtFairValue0.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:BalanceSheetLocation

us-gaap:DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsLiabilityAtFairValue

hban:AccruedExpensesAndOtherLiabilities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value27133610465555000
Percentage of DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsLiabilityAtFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:DerivativeLiabilities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-312015-09-302014-12-31
Value30610412711787187220202157865998-27-51
Percentage of DerivativeLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueByMeasurementBasis

us-gaap:CarryingReportedAmountFairValueDisclosure



Period End2020-03-312019-12-312019-09-302019-06-302018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value3061041271171872202021578659788398114851371442892933492841381220129131152
Percentage of DerivativeLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.00.00.00.00.0-1059.90.00.0-546.90.00.00.00.00.00.0

us-gaap:EstimateOfFairValueFairValueDisclosure



Period End2020-03-312019-12-312019-09-302019-06-302018-12-312018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value3061041271171871578659788398114851371442892933492841381220129131152
Percentage of DerivativeLiabilities100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.00.00.00.00.0-1059.90.00.0-546.90.00.00.00.00.00.0

us-gaap:FairValueByMeasurementBasis, hban:ReportedValueMeasurement

us-gaap:CarryingReportedAmountFairValueDisclosure, hban:FairValueFairValueOption



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value306104127117187
Percentage of DerivativeLiabilities100.0100.0100.0100.0100.0

us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value30610412711787187220202157865978839811485137144289293349284138122150129131152
Percentage of DerivativeLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.00.00.00.00.0-1059.90.00.0-546.90.00.00.00.00.00.0

us-gaap:DerivativeLiabilityFairValueGrossAssetAndRightToReclaimCashOffset



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-312015-12-312014-12-31
Value106641750437228421722120428224523427214451
Percentage of DerivativeLiabilityFairValueGrossAssetAndRightToReclaimCashOffset100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis

us-gaap:FairValueInputsLevel3, us-gaap:EstimateOfFairValueFairValueDisclosure



Period End2020-03-312019-12-31
Value1066417
Percentage of DerivativeLiabilityFairValueGrossAssetAndRightToReclaimCashOffset100.0100.0

us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value1066417504372284217221204282245234212246272278239201144
Percentage of DerivativeLiabilityFairValueGrossAssetAndRightToReclaimCashOffset100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.00.00.00.0100.0

us-gaap:DerivativeNotionalAmount



Period End2020-03-312019-12-312019-09-302018-12-31
Value2741525927247024877
Percentage of DerivativeNotionalAmount100.0100.0100.0100.0

us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation

hban:AccruedIncomeAndOtherAssets, us-gaap:CommodityContract, us-gaap:Nondesignated



Period End2020-03-312019-12-31
Value26063020
Percentage of DerivativeNotionalAmount9.511.6

hban:AccruedIncomeAndOtherAssets, us-gaap:EquityContract, us-gaap:Nondesignated



Period End2020-03-312019-12-31
Value408427