COG


Line plots across dimensions of each concept
Tables

Table of contents



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

us-gaap:CommonStockSharesIssued

us-gaap:CommonStockSharesAuthorized

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareDiluted

us-gaap:Revenues

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:ProductOrService
us-gaap:ProductOrService
us-gaap:CostOfGoodsAndServicesSold

us-gaap:OperatingExpenses

us-gaap:CostsAndExpenses

us-gaap:GeneralAndAdministrativeExpense

us-gaap:OperatingIncomeLoss

us-gaap:OtherNonoperatingIncomeExpense

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:IncomeTaxExpenseBenefit

us-gaap:NetIncomeLoss
us-gaap:StatementEquityComponents

us-gaap:Assets

us-gaap:Liabilities

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents

us-gaap:AssetsCurrent

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:AccountsReceivableNetCurrent

us-gaap:ReceivablesNetCurrent

us-gaap:InventoryNet

us-gaap:OtherAssetsCurrent

us-gaap:PropertyPlantAndEquipmentGross

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:OtherAssetsNoncurrent

us-gaap:LiabilitiesCurrent

us-gaap:LongTermDebtCurrent
us-gaap:DebtInstrument
us-gaap:FairValueByMeasurementBasis

us-gaap:AccountsPayableCurrent

us-gaap:OtherAccruedLiabilitiesCurrent

us-gaap:TaxesPayableCurrent

us-gaap:LongTermDebt
us-gaap:FairValueByMeasurementBasis

us-gaap:LongTermDebtNoncurrent
us-gaap:FairValueByMeasurementBasis

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:StockholdersEquity
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:StatementEquityComponents

us-gaap:DepreciationDepletionAndAmortization

us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet

us-gaap:IncreaseDecreaseInInventories

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:ProceedsFromIssuanceOfLongTermDebt

us-gaap:RepaymentsOfLongTermDebt

us-gaap:RepaymentsOfLongTermDebt
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod

us-gaap:DeferredTaxAssetsNet

us-gaap:UnrecognizedTaxBenefits

us-gaap:DeferredTaxAssetsValuationAllowance
us-gaap:ValuationAllowanceByDeferredTaxAsset

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities
cog:AntidilutiveSecuritiesExcludedfromComputationofEPSAmountTreasuryStockMethod

cog:ProceedsFromEquityMethodInvestmentsDistributionsIncludingReturnOfCapital
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

cog:ProceedsfromPaymentsforDerivativeInstrumentOperatingActivities

cog:RealizedGainLossOnDerivatives
us-gaap:AwardType, us-gaap:SubsequentEventType
cog:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAchievementAwardGrantDateFairValueCertified
us-gaap:AwardType
cog:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsMinimumOperatingCashFlowRequirement
us-gaap:Range, us-gaap:AwardType
cog:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedForfeitures

cog:StockAmortizationAndVesting
us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents
cog:StockAmortizationAndVestingShares

cog:StockBasedCompensationExpenseAndOther

us-gaap:AllocatedShareBasedCompensationExpense

us-gaap:AmortizationOfFinancingCosts

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:CommonStockDividendsPerShareDeclared
us-gaap:SubsequentEventType

us-gaap:DeferredIncomeTaxExpenseBenefit

us-gaap:DerivativeGainLossOnDerivativeNet
us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeNonmonetaryNotionalAmountEnergyMeasure
us-gaap:DerivativeInstrumentRisk, us-gaap:SubsequentEventType

us-gaap:DirectOperatingCosts

us-gaap:DividendsCommonStockCash
us-gaap:StatementEquityComponents

us-gaap:EquityMethodInvestmentDividendsOrDistributions

us-gaap:ExplorationExpense

us-gaap:FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisChangeInUnrealizedGainLoss

us-gaap:FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationGainLossIncludedInEarnings

us-gaap:FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationPurchasesSalesIssuesSettlements

us-gaap:GainLossOnSaleOfDerivatives

us-gaap:GainLossOnSaleOfPropertyPlantEquipment

us-gaap:IncomeLossFromEquityMethodInvestments
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities

us-gaap:IncreaseDecreaseInIncomeTaxesPayableNetOfIncomeTaxesReceivable

us-gaap:IncreaseDecreaseInInterestPayableNet

us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets

us-gaap:IncreaseDecreaseInReceivables

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements

us-gaap:InterestIncomeExpenseNet

us-gaap:OperatingLeaseCost

us-gaap:OperatingLeasePayments

us-gaap:OperatingLeasePaymentsUse

us-gaap:OtherComprehensiveIncomeLossNetOfTax
us-gaap:StatementEquityComponents

us-gaap:PaymentsForRepurchaseOfEquity

us-gaap:PaymentsOfDebtIssuanceCosts

us-gaap:PaymentsOfDividendsCommonStock

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation

us-gaap:PaymentsToAcquireEquityMethodInvestments
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:PaymentsToAcquireInterestInJointVenture

us-gaap:PaymentsToExploreAndDevelopOilAndGasProperties

us-gaap:ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital

us-gaap:ProceedsFromSaleOfEquityMethodInvestments
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipment

us-gaap:ResultsOfOperationsDryHoleCosts

us-gaap:ResultsOfOperationsTransportationCosts
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
us-gaap:Range, us-gaap:AwardType
us-gaap:StatementScenario, us-gaap:PlanName
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
us-gaap:AwardType, us-gaap:Vesting
us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage

us-gaap:ShortTermLeaseCost

us-gaap:StockRepurchasedDuringPeriodValue

us-gaap:TaxesExcludingIncomeAndExciseTaxes

us-gaap:UnrealizedGainLossOnDerivatives

us-gaap:VariableLeaseCost

cog:AccrualForAdValoremAndOtherNonIncomeTaxesCurrent

cog:AccruedCapitalExpenditures

cog:AccruedTransportationCosts

cog:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRateBeginningOfYear

cog:DefinedBenefitPlanHealthCareCostTrendRateAssumedNextFiscalYearPost65

cog:DefinedBenefitPlanHealthCareCostTrendRateAssumedNextFiscalYearPre65

cog:ReceivablesGrossCurrent
us-gaap:AwardType
cog:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValue
us-gaap:AwardType, us-gaap:BalanceSheetLocation
cog:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedFairValue
us-gaap:Range, us-gaap:AwardType, us-gaap:BalanceSheetLocation
us-gaap:AwardType, us-gaap:SubsequentEventType
cog:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNumberOfSharesIssuableCertified

cog:TaxesOtherThanIncomePayable

us-gaap:AccountsPayableOtherCurrent

us-gaap:AccountsPayableTradeCurrent

us-gaap:AccountsReceivableGrossCurrent

us-gaap:AccrualForTaxesOtherThanIncomeTaxesCurrent

us-gaap:AccruedEmployeeBenefitsCurrent

us-gaap:AccruedLiabilitiesCurrent

us-gaap:AccruedRoyaltiesCurrent

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent

us-gaap:AssetRetirementObligation

us-gaap:AssetRetirementObligationCurrent

us-gaap:AssetRetirementObligationsNoncurrent
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:AssetsFairValueDisclosure
us-gaap:FairValueByMeasurementFrequency

us-gaap:CapitalizedExploratoryWellCosts

us-gaap:CapitalizedExploratoryWellCostsThatHaveBeenCapitalizedForPeriodOfOneYearOrLess

us-gaap:ContractWithCustomerAssetNet
us-gaap:CreditFacility
us-gaap:DebtInstrumentCarryingAmount
us-gaap:DebtInstrument

us-gaap:DeferredCompensationLiabilityClassifiedNoncurrent
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementFrequency
us-gaap:RetirementPlanName

us-gaap:DeferredCompensationPlanAssets
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementFrequency
us-gaap:AwardType, us-gaap:BalanceSheetLocation
us-gaap:DeferredCompensationShareBasedArrangementsLiabilityCurrent
us-gaap:AwardType, us-gaap:BalanceSheetLocation
us-gaap:DeferredCompensationSharebasedArrangementsLiabilityClassifiedNoncurrent

us-gaap:DeferredFinanceCostsNet

us-gaap:DeferredFinanceCostsNoncurrentGross

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredIncomeTaxLiabilitiesNet

us-gaap:DeferredTaxAssetsCapitalLossCarryforwards

us-gaap:DeferredTaxAssetsEquityMethodInvestments

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards

us-gaap:DeferredTaxAssetsOther

us-gaap:DeferredTaxAssetsTaxCreditCarryforwardsAlternativeMinimumTax

us-gaap:DeferredTaxAssetsTaxCreditCarryforwardsForeign

us-gaap:DeferredTaxAssetsTaxCreditCarryforwardsOther

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost

us-gaap:DeferredTaxLiabilitiesDerivatives

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment

us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax

us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax

us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax

us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate

us-gaap:DefinedBenefitPlanBenefitObligation

us-gaap:DefinedBenefitPlanFundedStatusOfPlan

us-gaap:DerivativeAssetFairValueGrossLiability

us-gaap:DerivativeAssetFairValueOffsetAgainstCollateralNetOfNotSubjectToMasterNettingArrangementPolicyElection

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

us-gaap:DerivativeAssetsCurrent
us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeAverageCapPrice
us-gaap:DerivativeInstrumentRisk, us-gaap:SubsequentEventType
us-gaap:DerivativeInstrumentRisk, us-gaap:SubsequentEventType
us-gaap:DerivativeAverageFloorPrice
us-gaap:DerivativeInstrumentRisk, us-gaap:SubsequentEventType
us-gaap:DerivativeCapPrice
us-gaap:Range, us-gaap:DerivativeInstrumentRisk, us-gaap:SubsequentEventType

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

us-gaap:DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral

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

us-gaap:DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral
us-gaap:DerivativeInstrumentRisk, us-gaap:SubsequentEventType
us-gaap:DerivativeFloorPrice
us-gaap:Range, us-gaap:DerivativeInstrumentRisk, us-gaap:SubsequentEventType

us-gaap:DerivativeInstrumentsAndHedges

us-gaap:DerivativeLiabilities
us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementFrequency

us-gaap:DerivativeLiabilityFairValueGrossAsset

us-gaap:DerivativeLiabilityFairValueOffsetAgainstCollateralNetOfNotSubjectToMasterNettingArrangementPolicyElection

us-gaap:DerivativeLiabilityNotSubjectToMasterNettingArrangement
us-gaap:DerivativeInstrumentRisk, us-gaap:SubsequentEventType
us-gaap:DerivativeSwapTypeAverageFixedPrice
us-gaap:AwardType
us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:SubsequentEventType
us-gaap:EquityMethodInvestmentOwnershipPercentage

us-gaap:EquityMethodInvestments
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
us-gaap:EscrowDeposit

us-gaap:FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisWithUnobservableInputs

us-gaap:IncomeTaxReceivable

us-gaap:IncomeTaxesReceivable

us-gaap:InterestPayableCurrent
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:LiabilitiesFairValueDisclosure
us-gaap:FairValueByMeasurementFrequency
us-gaap:CreditFacility
us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity
us-gaap:CreditFacility, us-gaap:SubsequentEventType
us-gaap:DebtInstrument

us-gaap:OperatingLeaseLiability

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent

us-gaap:OtherAssetsMiscellaneousNoncurrent

us-gaap:OtherReceivables

us-gaap:OtherSundryLiabilitiesNoncurrent

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesCurrentAndNoncurrent

us-gaap:PropertyPlantAndEquipmentOther

us-gaap:ProvedOilAndGasPropertySuccessfulEffortMethod

us-gaap:RestrictedCashAndCashEquivalents
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue

us-gaap:TreasuryStockShares

us-gaap:UnprovedOilAndGasPropertySuccessfulEffortMethod

Tables

  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-312009-09-302009-06-302009-03-31
us-gaap:CommonStockValue █████████████████▇▇▇▇▇▇▇▇▇▃▃▃▃▃▁▁▁▁▁▁47474747474747474747474747474747474242424242424242422121212020101010101010NANANA
 us-gaap:SharesOutstanding us-gaap:StatementEquityComponents us-gaap:CommonStock█▄▄▄▄▄▄▄▄▁477476476476476476476476476475NANANA475NANANA423NANANA422NANANANANANANANANANANANANANANANANANA
 us-gaap:SharesOutstanding us-gaap:StatementEquityComponents us-gaap:TreasuryStock██▇▆▅▅▄▃▂▁78786858535342342314NANANA9NANANA9NANANA9NANANANANANANANANANANANANANANANANANA
us-gaap:CommonStockSharesIssued █████████████████▇▇▇▇▇▇▇▇▇▃▃▃▃▃▁▁▁▁▁▁477476476476476476476476476475475475475475475475474423423423423422422422422421210210210209209104104104104104104NANANA
us-gaap:CommonStockSharesAuthorized ████████████████████████▃▃▃▃▃▃▁▁▁▁▁▁▁960960960960960960960960960960960960960960960960960960960960960960960960480480480480480480240240240240240240240NANANA
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding 399NA414424425NA443453461NA464466466NA465465431NA413413414NA418419418423211211211211210105105105105104104104104104
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic 398NA412422423NA440451459NA462464465NA465465431NA413413413NA416417416420210210209209209104104104103103103103103103
us-gaap:EarningsPerShareBasic ▅▇▆▇██▆▅▆▄▅▅▆▁▄▄▄▃▄▄▅▂▆▆▆▆▇▆▆▆▅▆█▅▅▆▆▇▆▇0.140.36999999999999990.220.430.620.620.280.090.26-0.090.040.050.23-0.64-0.02-0.14-0.12-0.27-0.04-0.070.1-0.530.240.280.260.170.420.20.170.170.090.270.530.120.040.210.280.380.250.46
us-gaap:EarningsPerShareDiluted ▅▇▆▇██▆▅▆▄▅▅▆▁▄▄▄▃▄▄▅▂▆▆▆▆▇▆▆▆▅▆▇▅▅▆▆▇▆▇0.130.35999999999999990.220.430.620.620.280.090.25-0.090.040.050.23-0.64-0.02-0.14-0.12-0.27-0.04-0.070.1-0.530.240.280.260.170.420.20.170.170.090.270.520.120.040.210.270.370.240.46
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-312009-09-302009-06-302009-03-31
us-gaap:Revenues ▄▅▄▆▇█▆▄▅▄▄▅▅▃▃▂▂▂▂▂▅▇▅▆▅▄▄▃▂▂▂▂▂▁▁▁▁▁▁▂386461429534641716545453473400385460517316310246281280305306464618512533509435449373296265272262240209219195212207204233
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax ▄▅▄▅▇█▆▅▅▄▄▅▅▃▃▂▂▂▃▃▅▇▆▆▆▅▅▄▂▂▂▂▂▁▁▁▁▁▁▂370463418470633670548457467429386446484355310246281280305306464618512533509435449373296265272262240209219195212207204233
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService srt:NaturalGasReserves370NA418470633NA440364412NA323395NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService us-gaap:NaturalGasProduction▂▄▃▄▇█▃▂▃▂▁▂370463418470633663440364412353323395NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:CostOfGoodsAndServicesSold us-gaap:ProductOrService us-gaap:NaturalGasGatheringTransportationMarketingAndProcessingNA149145141137140129114112119117120NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:CostOfGoodsAndServicesSold us-gaap:ProductOrService us-gaap:NaturalGasMidstreamNA0000593804423NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OperatingExpenses NA3083032862903763943752547443324003267563043163404403113263791128322321314308285286220255224200168171197147152132134156
us-gaap:CostsAndExpenses 300NANANA290NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:GeneralAndAdministrativeExpense ▅▃▂▃▅▅▃▃▄▄▃▃▃▂▃▃▄▂▁▃▃▃▃▃▃▄▃▆▃█▃▄▄▄▃▁▂▂▂▂33221822313020212426232323181920281511192221192021242135234622272624211215141717
us-gaap:OperatingIncomeLoss ▆▇▆▇██▇▆▇▁▅▆▇▁▅▄▅▄▅▅▆▁▇▇▇▆▆▆▆▆▅▆▆▅▅▆▆▆▆▆8622212925035234017678177-4383957190-4433-70-55-157-1-1887-489190210194131164877578466510636225260745489
us-gaap:OtherNonoperatingIncomeExpense ▁▁▁▁▁▁▁▁▁▁█▁▁▁▁▁0000000000500000NANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest ▆▇▆▇██▇▆▆▁▅▆▇▁▅▄▅▄▅▅▆▁▇▇▇▆▆▆▆▆▅▆7220711623634032416154156-4592437168-463-18-97-79-182-25-4363-5121721941771151487059592946NANANANANANANANA
us-gaap:IncomeTaxExpenseBenefit ▇█▇███▇▇▇▁▇▇█▄▇▆▇▆▇▇▇▃█████▇▇▇▇▇▇▇▇▇▇▇▇▇186025557749391239-41471563-171-8-34-28-71-10-1523-2907275704558272223111833611416201328
us-gaap:NetIncomeLoss 53NA90181262NA12242117NA1721105NA-10-62-51NA-15-2740NA100NANANANANANANANANA541232128382547
 us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents us-gaap:RetainedEarnings53NA90181262NA12242117NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
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us-gaap:ProceedsFromIssuanceOfLongTermDebt ▁▁▁▁▃▄▁▁▁▁▁▁▁▁▁▁▃▃▄▆█▅00009515800000000009087148260382230NANA366NANA135NANA90NANA110NANA110NANANA
us-gaap:RepaymentsOfLongTermDebt ▁▁▁▁▂▄▄▁▁▁▁▁▁▁▁▂█▂▂▃▅▂0000102218237000000020645039910614225790NANA291NANA95NANA28NANA30NANANANANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-312009-09-302009-06-302009-03-31
us-gaap:RepaymentsOfLongTermDebt ▁▁▁▁▂▄▄▁▁▁▁▁▁▁▁▂█▂▂▃▅▂0000102218237000000020645039910614225790NANA291NANA95NANA28NANA30NANANANANANA

Stockholders Equity Note Stock Split Conversion Ratio1

Common Stock Value

us-gaap:CommonStockValue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value47474747474747474747474747474747474242424242424242424221212121202020101010101010101010
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.11.11.11.01.11.11.11.11.01.00.90.90.90.90.90.90.80.80.80.80.80.80.70.80.80.80.80.40.40.50.50.50.50.50.20.20.30.30.30.30.30.30.3

Common Stock Par Or Stated Value Per Share

Shares Outstanding

us-gaap:StatementEquityComponents

us-gaap:SharesOutstanding

us-gaap:CommonStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-31
Value477476476476476476476476476475475423422422210209208207207
Percentage of SharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TreasuryStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-31
Value78786858535342342314999500000
Percentage of SharesOutstanding16.516.614.512.311.211.28.87.34.93.12.12.32.31.30.20.20.20.20.2

Shares Issued

Common Stock Shares Issued

us-gaap:CommonStockSharesIssued



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value477476476476476476476476476475475475475475475475474423423423423422422422422422421210210210210209209209104104104104104104104103103
Percentage of CommonStockSharesIssued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Common Stock Shares Authorized

us-gaap:CommonStockSharesAuthorized



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-05-312014-05-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-05-312012-05-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value960960960960960960960960960960960960960960960960960960960960960960960960960480480480480480480480480480480240240240240240240240240240240240120
Percentage of CommonStockSharesAuthorized100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Diluted Shares Outstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-312009-09-302009-06-302009-03-31
Value399414424425443453461464466466465465431413413414418419418423211211211211210105105105105104104104104104
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Shares Outstanding Basic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-312009-09-302009-06-302009-03-31
Value398412422423440451459462464465465465431413413413416417416420210210209209209104104104103103103103103103
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Basic

us-gaap:EarningsPerShareBasic



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-312009-09-302009-06-302009-03-31
Value0.140.36999999999999990.220.430.620.620.280.090.26-0.090.040.050.23-0.64-0.02-0.14-0.12-0.27-0.04-0.070.1-0.530.240.280.260.170.420.20.170.170.090.270.530.120.040.210.280.380.250.46
Percentage of EarningsPerShareBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Diluted

us-gaap:EarningsPerShareDiluted



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-312009-09-302009-06-302009-03-31
Value0.130.35999999999999990.220.430.620.620.280.090.25-0.090.040.050.23-0.64-0.02-0.14-0.12-0.27-0.04-0.070.1-0.530.240.280.260.170.420.20.170.170.090.270.520.120.040.210.270.370.240.46
Percentage of EarningsPerShareDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Revenues

us-gaap:Revenues



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-312009-09-302009-06-302009-03-31
Value386461429534641716545453473400385460517316310246281280305306464618512533509435449373296265272262240209219195212207204233
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Revenue From Contract With Customer Excluding Assessed Tax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-312009-09-302009-06-302009-03-31
Value370463418470633670548457467429386446484355310246281280305306464618512533509435449373296265272262240209219195212207204233
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues95.8100.597.488.198.793.6100.6100.898.8107.3100.297.093.6112.3100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProductOrService

cog:OilAndGasOther



Period End2019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value00000201322
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.0-0.0-0.00.00.10.4-0.00.40.70.60.6
Percentage of Revenues0.0-0.0-0.00.00.10.4-0.00.40.80.60.6
Percentage of Revenues cog:OilAndGasOther0.00.00.00.00.00.00.00.00.00.00.0

cog:OtherRevenues



Period End2020-03-312019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value000201223
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.0-0.00.00.4-0.00.40.60.60.7
Percentage of Revenues0.0-0.00.00.4-0.00.40.60.60.6
Percentage of Revenues cog:OtherRevenues0.00.00.00.00.00.00.00.00.0

srt:NaturalGasReserves



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-30
Value370418470633440364412323395
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.080.379.888.183.788.5
Percentage of Revenues95.897.488.198.780.980.487.183.985.9
Percentage of Revenues srt:NaturalGasReserves0.00.00.00.00.00.00.00.00.0

us-gaap:NaturalGasMidstream



Period End2019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value00006105924434
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.00.00.919.320.31.11.20.90.9
Percentage of Revenues0.00.00.00.00.919.420.41.01.20.90.9
Percentage of Revenues us-gaap:NaturalGasMidstream0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NaturalGasProduction



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value370463418470633663440364412353323395
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.099.080.379.888.182.383.788.5
Percentage of Revenues95.8100.597.488.198.792.680.980.487.188.483.985.9
Percentage of Revenues us-gaap:NaturalGasProduction0.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OilAndCondensate



Period End2019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value000000048675644
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.00.00.00.00.010.415.814.710.0
Percentage of Revenues0.00.00.00.00.00.00.010.316.914.89.7
Percentage of Revenues us-gaap:OilAndCondensate0.00.00.00.00.00.00.00.00.00.00.0

Cost Of Goods And Services Sold

us-gaap:ProductOrService

us-gaap:CostOfGoodsAndServicesSold

us-gaap:NaturalGasGatheringTransportationMarketingAndProcessing



Period End2019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value149145141137140129114112119117120
Percentage of CostOfGoodsAndServicesSold100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues32.533.926.521.419.723.825.223.729.830.626.2
Percentage of Revenues us-gaap:NaturalGasGatheringTransportationMarketingAndProcessing0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NaturalGasMidstream



Period End2019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value0000593804423
Percentage of CostOfGoodsAndServicesSold0.00.00.00.04.172.170.14.44.22.42.8
Percentage of Revenues0.00.00.00.00.817.117.71.01.20.70.7
Percentage of Revenues us-gaap:NaturalGasMidstream0.00.00.00.00.00.00.00.00.00.00.0

Operating Expenses

us-gaap:OperatingExpenses



Period End2019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-312009-09-302009-06-302009-03-31
Value3083032862903763943752547443324003267563043163404403113263791128322321314308285286220255224200168171197147152132134156
Percentage of OperatingExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues66.970.753.745.352.572.482.953.7186.086.286.963.0238.998.0128.3120.9156.8102.1106.781.6182.663.060.461.670.863.476.774.496.182.776.669.981.990.075.671.964.265.467.0

Costs And Expenses

us-gaap:CostsAndExpenses



Period End2020-03-312019-03-31
Value300290
Percentage of CostsAndExpenses100.0100.0
Percentage of Revenues77.645.3

General And Administrative Expense

us-gaap:GeneralAndAdministrativeExpense



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-312009-09-302009-06-302009-03-31
Value33221822313020212426232323181920281511192221192021242135234622272624211215141717
Percentage of GeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues8.74.94.34.34.84.33.84.75.16.76.05.24.66.06.48.210.15.63.66.54.83.43.83.84.25.74.89.68.017.68.310.710.811.69.66.67.47.28.47.3

Operating Income Loss

us-gaap:OperatingIncomeLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-312009-09-302009-06-302009-03-31
Value8622212925035234017678177-4383957190-4433-70-55-157-1-1887-489190210194131164877578466510636225260745489
Percentage of OperatingIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues22.448.230.247.055.047.632.317.237.4-109.610.412.536.7-140.11.0-28.6-19.7-56.2-0.3-6.218.8-79.237.239.538.130.236.623.325.529.417.124.944.317.410.226.628.536.126.538.4

Interest Expense

Other Nonoperating Income Expense

us-gaap:OtherNonoperatingIncomeExpense



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value0000000000500000
Percentage of OtherNonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.01.30.1-0.1-0.1-0.1-0.1

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

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

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-30
Value7220711623634032416154156-4592437168-463-18-97-79-182-25-4363-5121721941771151487059592946
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues18.745.027.144.253.145.429.712.033.1-114.76.48.132.6-146.6-5.9-39.4-28.4-64.9-8.4-14.113.7-83.033.836.434.926.632.919.020.122.410.917.8

Income Tax Expense Benefit

us-gaap:IncomeTaxExpenseBenefit



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-312009-09-302009-06-302009-03-31
Value186025557749391239-41471563-171-8-34-28-71-10-1523-2907275704558272223111833611416201328
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues4.713.16.010.312.17.07.22.78.4-103.61.93.412.2-54.1-2.6-14.0-10.2-25.4-3.3-5.15.1-47.114.114.213.910.513.17.57.78.94.27.014.12.90.77.58.010.16.712.0

Income Taxes Paid Net

Comprehensive Income Net Of Tax

Net Income Loss

us-gaap:NetIncomeLoss



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302011-06-302011-03-312010-09-302010-06-302010-03-312009-09-302009-06-302009-03-31
Value5390181262122421171721105-10-62-51-15-2740100541232128382547
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues13.921.133.940.922.49.424.84.64.720.4-3.3-25.5-18.2-5.1-9.08.719.722.76.21.811.113.518.812.520.3

us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value539018126212242117
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues13.921.133.940.922.49.424.8
Percentage of Revenues us-gaap:RetainedEarnings0.00.00.00.00.00.00.0

Net Income Loss Available To Common Stockholders Basic

Assets

us-gaap:Assets



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value4522448744424563448141984179439645384727512852195244512255315570570252615484550455125437580752085145498150315017468746164482441044024331447242504048400539463870381136833701
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Liabilities

us-gaap:Liabilities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value2353233522292218216021102084224221312203248425772537255426682692275832523362335933363294344028062876277627022731256424842382227822772226242922832162213221032024195718701911
Percentage of Liabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets52.052.150.248.648.250.349.951.047.046.648.449.448.449.948.248.348.461.861.361.060.560.659.253.955.955.753.754.454.753.853.151.751.751.454.353.753.453.253.352.351.450.851.6

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value4522448744424563448141984179439645384727512852195244512255315570570252615484550455125437580752085145498150315017468746164482441044024331447242504048400539463870381136833701
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Stockholders Equity

us-gaap:StockholdersEquity



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-312006-12-31
Value21682151221323442320208820942154240625232644264227072567286328772944200921212145217521422366240122682204232822862123213121002131212421042043196618861872184318451854181217901070945
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets48.047.949.851.451.849.750.149.053.053.451.650.651.650.151.851.751.638.238.739.039.539.440.846.144.144.346.345.645.346.246.948.348.348.645.746.346.646.846.747.748.649.248.40.00.0

us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment



Period End2019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value14200-2-1-6
Percentage of StockholdersEquity0.10.20.10.0-0.0-0.1-0.1-0.3
Percentage of Assets0.00.10.00.0-0.0-0.0-0.0-0.1
Percentage of Assets us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.00.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-312006-12-31
Value114444222200-2-823104-342186037
Percentage of StockholdersEquity0.10.10.20.20.20.20.10.10.10.10.0-0.0-0.1-0.41.15.0-0.22.310.4-0.13.9
Percentage of Assets0.00.00.10.10.10.10.10.10.10.00.0-0.0-0.0-0.20.52.4-0.11.25.00.00.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-312006-12-31
Value17851782177517691762176317561749174217421727721710710716724710705675424417
Percentage of StockholdersEquity82.382.880.275.576.084.483.981.272.469.067.335.933.232.233.634.437.938.937.739.644.2
Percentage of Assets39.539.740.038.839.342.042.039.838.436.933.713.713.114.315.516.717.719.218.30.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-312006-12-31
Value474747474747474747474742424221202010101010
Percentage of StockholdersEquity2.22.22.22.02.12.32.32.22.01.91.92.12.01.91.01.01.10.60.61.01.1
Percentage of Assets1.11.11.11.01.11.11.11.11.01.00.90.80.80.80.50.50.50.30.30.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-312006-12-31
Value215721432037198318401607136212661251116210981552169816271373125811481057921722565
Percentage of StockholdersEquity99.599.692.084.679.377.065.158.852.046.142.877.279.373.864.459.861.358.351.567.559.8
Percentage of Assets47.747.845.943.541.138.332.628.827.624.621.429.531.232.729.729.028.728.724.90.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TreasuryStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-312006-12-31
Value-1823-1823-1650-1459-1334-1334-1074-912-637-430-306-306-306-167-3-3-3-3-3-85-85
Percentage of StockholdersEquity-84.1-84.7-74.6-62.3-57.5-63.9-51.3-42.3-26.5-17.1-11.9-15.3-14.3-7.6-0.2-0.2-0.2-0.2-0.2-8.0-9.1
Percentage of Assets-40.3-40.6-37.2-32.0-29.8-31.8-25.7-20.7-14.1-9.1-6.0-5.8-5.6-3.4-0.1-0.1-0.1-0.1-0.10.00.0
Percentage of Assets us-gaap:TreasuryStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Assets Current

us-gaap:AssetsCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value5415684216316805446199871236764718735748715655659720144215254349413587306373378289403238270224295339345310235161203220248293281460
Percentage of AssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets12.012.79.513.815.213.014.822.527.216.214.014.114.314.011.911.812.62.83.94.66.37.610.15.97.37.65.88.05.15.95.06.77.78.06.95.54.05.15.66.47.77.612.4

Cash And Cash Equivalents At Carrying Value

us-gaap:CashAndCashEquivalentsAtCarryingValue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302008-12-312007-12-31
Value202200822413142316740964480510516537498501517579081513203094525232747203037483229623924553747284035292818
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.54.51.95.37.00.17.616.921.310.29.99.910.29.79.19.310.20.00.20.30.30.45.30.90.50.50.60.90.40.70.81.10.70.71.40.90.61.41.01.20.71.10.00.00.80.0

Accounts Receivable Net Current

us-gaap:AccountsReceivableNetCurrent



Period End2020-03-312019-12-31
Value135209
Percentage of AccountsReceivableNetCurrent100.0100.0
Percentage of Assets3.04.7

Receivables Net Current

us-gaap:ReceivablesNetCurrent



Period End2019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value2091591832203622221801702161611771921911211181001201191381852391912122452221782041721721038995114101117909475799380109
Percentage of ReceivablesNetCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.73.64.04.98.65.34.13.74.63.23.43.73.72.22.11.82.32.22.53.44.43.34.14.84.53.54.13.73.72.32.02.22.62.32.82.22.41.92.02.52.22.9

Inventory Net

us-gaap:InventoryNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-312013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value181318191811122012812111213131415171820141417111417111221282420293223172745
Percentage of InventoryNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.40.30.40.40.40.30.30.50.30.20.30.20.20.30.20.30.30.30.30.40.30.30.40.20.30.40.30.30.50.60.60.50.70.80.60.50.81.2

Other Assets Current

us-gaap:OtherAssetsCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value0134012312612424412342119312341226346645686912
Percentage of OtherAssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.10.10.00.00.10.10.00.10.10.20.10.10.10.10.00.10.10.10.00.00.30.10.00.10.10.10.00.00.10.20.10.10.10.20.10.10.20.20.20.30.3

Prepaid Expense And Other Assets Current

Property Plant And Equipment Gross

us-gaap:PropertyPlantAndEquipmentGross



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value6853674666056415620060065777552153605207734471788159797082278141816595739477933991308828810676477378707273007033676165186419615459895805619959605608
Percentage of PropertyPlantAndEquipmentGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets151.5150.4148.7140.6138.4143.0138.3125.6118.1110.2143.2137.5155.6155.6148.7146.2143.2181.9172.8169.7165.6162.4139.6146.8143.4142.0145.1140.2144.2141.2143.2139.6136.0134.0138.6140.2140.0

Accumulated Depreciation Depletion And Amortization Property Plant And Equipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value2932289028172715262525422411229522142135310929753831372035043378332745964335420740713902297628222667252526092475234822072200209319781870209519921845
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets64.864.463.459.558.660.657.752.248.845.260.657.073.172.663.460.758.387.379.176.473.971.851.354.251.850.751.949.350.147.849.147.544.943.246.946.946.1

Property Plant And Equipment Net

us-gaap:PropertyPlantAndEquipmentNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value3920385537873699357434633366322531463072423442024328425047224762483749765141513250584925513048254710454646904558441243104218406140113934410339673847376236633571347033583135
Percentage of PropertyPlantAndEquipmentNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets86.785.985.381.179.882.580.673.469.365.082.680.582.583.085.485.584.894.693.793.291.890.688.392.691.591.393.290.894.193.494.192.191.190.891.793.495.094.092.892.391.091.284.7

Deferred Tax Assets Liabilities Net

Other Assets Noncurrent

us-gaap:OtherAssetsNoncurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value59636466622727252225272831272524273634362930312761554238363534332929594639395826272314
Percentage of OtherAssetsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.31.41.41.51.40.70.70.60.50.50.50.60.60.50.50.40.50.70.60.70.50.60.50.51.21.10.80.80.80.80.80.80.70.71.31.11.01.01.50.70.70.60.4

Liabilities Current

us-gaap:LiabilitiesCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value387328294234240287366590510630438234224257196228199235265278402499432362432407399494447444412340322343288286241303304226265308378
Percentage of LiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets8.67.36.65.15.46.88.813.411.213.38.54.54.35.03.64.13.54.54.85.17.39.27.57.08.48.27.99.99.59.69.27.77.37.96.56.76.07.67.75.97.08.410.2

Long Term Debt Current

us-gaap:LongTermDebtCurrent



Period End2020-03-312019-12-312019-09-302018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-312013-06-302013-03-312012-12-312012-09-302010-09-302009-12-312008-12-31
Value1758787067304304304237002020202007575757575035
Percentage of LongTermDebtCurrent100.0100.0100.00.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.00.0100.0
Percentage of Assets3.91.92.00.01.66.96.76.44.60.00.00.40.40.40.40.01.51.61.61.71.90.01.0

us-gaap:DebtInstrument

cog:FivePointFiveEightPercentageWeightedAverageFixedRateNotes



Period End2020-03-31
Value88
Percentage of LongTermDebtCurrent50.3
Percentage of Assets1.9
Percentage of Assets cog:FivePointFiveEightPercentageWeightedAverageFixedRateNotes0.0

cog:SixPointFiveOnePercentageWeightedAverageFixedRateNotes



Period End2020-03-312019-12-312018-12-312018-06-302018-03-312017-12-312017-09-302016-12-31
Value87872372372372372370
Percentage of LongTermDebtCurrent49.7100.00.078.078.078.0100.00.0
Percentage of Assets1.91.95.65.45.25.04.60.0
Percentage of Assets cog:SixPointFiveOnePercentageWeightedAverageFixedRateNotes0.00.00.00.00.00.00.00.0

us-gaap:FairValueByMeasurementBasis

us-gaap:CarryingReportedAmountFairValueDisclosure



Period End2020-03-312019-12-312019-09-302018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-312013-06-302012-12-31
Value1758787067304304304237002020202007575
Percentage of LongTermDebtCurrent100.0100.0100.00.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.00.0100.0100.0
Percentage of Assets3.91.92.00.01.66.96.76.44.60.00.00.40.40.40.40.01.51.6
Percentage of Assets us-gaap:CarryingReportedAmountFairValueDisclosure0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:EstimateOfFairValueFairValueDisclosure



Period End2020-03-312019-12-312019-09-302018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-312013-06-302012-12-31
Value1748889067305308312243002020202007577
Percentage of LongTermDebtCurrent99.4102.0102.50.0101.0100.6101.6102.6102.80.00.0100.3101.1101.9103.90.0100.4102.9
Percentage of Assets3.82.02.00.01.67.06.86.64.70.00.00.40.40.40.40.01.51.7
Percentage of Assets us-gaap:EstimateOfFairValueFairValueDisclosure0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Accounts Payable Current

us-gaap:AccountsPayableCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value183189172184204241263235174238160183183168160142147160191218321400379255297288335356299312276237213217207223199229168152184215222
Percentage of AccountsPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.14.23.94.14.65.86.35.43.85.03.13.53.53.32.92.62.63.03.54.05.87.46.54.95.85.86.77.16.46.86.25.44.85.04.65.34.95.74.33.94.85.96.0

Other Accrued Liabilities Current

us-gaap:OtherAccruedLiabilitiesCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value1100000001001120252223223222211111011
Percentage of OtherAccruedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.0-0.00.00.00.00.00.00.00.00.00.00.10.10.00.10.00.10.00.10.10.10.10.10.00.00.00.00.00.00.00.00.0

Taxes Payable Current

us-gaap:TaxesPayableCurrent



Period End2019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312011-03-312010-12-31
Value000110525
Percentage of TaxesPayableCurrent0.00.00.0100.0100.00.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.10.6

Accrued Income Taxes Current

Long Term Debt

us-gaap:LongTermDebt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-06-302015-03-312014-12-312014-09-302013-12-31
Value12201220121912191219122612851522152215211291152115201520152015391603201619951877175216121147
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 Assets27.027.227.526.727.229.230.834.633.532.225.229.129.029.727.527.628.138.336.234.132.227.823.0

us-gaap:FairValueByMeasurementBasis

us-gaap:CarryingReportedAmountFairValueDisclosure



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-31
Value12201220121912191219122612851522152215211521152115201520152015391603202520371995187717521612119312221147116211421087
Percentage of LongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0117.9100.0100.0100.0100.0100.0100.0100.40.0100.0100.0100.0100.00.00.0100.00.00.00.0
Percentage of Assets27.027.227.526.727.229.230.834.633.532.229.729.129.029.727.527.628.138.537.136.234.132.227.822.923.723.023.122.823.5
Percentage of Assets us-gaap:CarryingReportedAmountFairValueDisclosure0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:EstimateOfFairValueFairValueDisclosure



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-31
Value10911260125812451216120212451486149915271536151115001463150715191506184820072028197618501697129713251224125812351213
Percentage of LongTermDebt89.5103.3103.2102.299.898.196.997.698.5100.4119.099.398.796.399.198.793.991.70.0101.7105.3105.6105.30.00.0106.70.00.00.0
Percentage of Assets24.128.128.327.327.128.729.833.833.032.330.029.028.628.627.227.326.435.136.636.935.934.029.224.925.824.625.024.626.3
Percentage of Assets us-gaap:EstimateOfFairValueFairValueDisclosure0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Long Term Debt Noncurrent

us-gaap:LongTermDebtNoncurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value10451133113212191219122612181218121812171284152115201520152015191583200520171877175216121193122211471162106710521012987972101295012051095105597510201015915805831
Percentage of LongTermDebtNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets23.125.225.526.727.229.229.227.726.825.825.029.129.029.727.527.327.838.136.834.132.227.822.923.723.023.121.322.421.922.022.023.021.926.925.826.124.325.826.224.021.922.5

us-gaap:FairValueByMeasurementBasis

us-gaap:CarryingReportedAmountFairValueDisclosure



Period End2020-03-312019-12-312019-09-302018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-312013-12-312013-09-302013-06-302012-12-31
Value10451133113212261218121812181217128415201520151915832005201717521147116210671012
Percentage of LongTermDebtNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets23.125.225.529.229.227.726.825.825.029.727.527.327.838.136.832.223.023.121.321.9
Percentage of Assets us-gaap:CarryingReportedAmountFairValueDisclosure0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:EstimateOfFairValueFairValueDisclosure



Period End2020-03-312019-12-312019-09-302018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-312013-12-312013-09-302013-06-302012-12-31
Value9171171116912021178118011911215129214631507149914851828198618501224125811591136
Percentage of LongTermDebtNoncurrent87.8103.4103.298.196.796.997.899.8100.696.399.198.693.991.298.5105.6106.7108.3108.7112.3
Percentage of Assets20.326.126.328.728.226.826.225.725.228.627.226.926.134.736.234.024.625.023.124.6
Percentage of Assets us-gaap:EstimateOfFairValueFairValueDisclosure0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Deferred Tax Liabilities Noncurrent

Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302009-12-312008-12-31
Value333229282827303029292737373637363635383736353535343341403938404039383934343443485454
Percentage of PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.70.70.70.60.60.70.70.70.70.60.50.70.70.70.70.70.60.70.70.70.70.70.60.70.70.70.80.80.80.80.90.90.90.90.90.80.90.91.11.31.51.5

Other Liabilities Noncurrent

us-gaap:OtherLiabilitiesNoncurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value656867707260616034393634302929292826283538393737374642464240413428313535353259571135747
Percentage of OtherLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.41.51.51.61.61.41.51.40.80.80.70.70.60.60.50.50.50.50.50.60.70.70.70.70.70.90.90.90.90.90.90.80.70.70.80.80.90.81.51.53.01.61.3

Stockholders Equity

us-gaap:StockholdersEquity



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-312006-12-31
Value21682151221323442320208820942154240625232644264227072567286328772944200921212145217521422366240122682204232822862123213121002131212421042043196618861872184318451854181217901070945
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets48.047.949.851.451.849.750.149.053.053.451.650.651.650.151.851.751.638.238.739.039.539.440.846.144.144.346.345.645.346.246.948.348.348.645.746.346.646.846.747.748.649.248.40.00.0

us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment



Period End2019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value14200-2-1-6
Percentage of StockholdersEquity0.10.20.10.0-0.0-0.1-0.1-0.3
Percentage of Assets0.00.10.00.0-0.0-0.0-0.0-0.1
Percentage of Assets us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.00.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-312006-12-31
Value114444222200-2-823104-342186037
Percentage of StockholdersEquity0.10.10.20.20.20.20.10.10.10.10.0-0.0-0.1-0.41.15.0-0.22.310.4-0.13.9
Percentage of Assets0.00.00.10.10.10.10.10.10.10.00.0-0.0-0.0-0.20.52.4-0.11.25.00.00.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-312006-12-31
Value17851782177517691762176317561749174217421727721710710716724710705675424417
Percentage of StockholdersEquity82.382.880.275.576.084.483.981.272.469.067.335.933.232.233.634.437.938.937.739.644.2
Percentage of Assets39.539.740.038.839.342.042.039.838.436.933.713.713.114.315.516.717.719.218.30.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-312006-12-31
Value474747474747474747474742424221202010101010
Percentage of StockholdersEquity2.22.22.22.02.12.32.32.22.01.91.92.12.01.91.01.01.10.60.61.01.1
Percentage of Assets1.11.11.11.01.11.11.11.11.01.00.90.80.80.80.50.50.50.30.30.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-312006-12-31
Value215721432037198318401607136212661251116210981552169816271373125811481057921722565
Percentage of StockholdersEquity99.599.692.084.679.377.065.158.852.046.142.877.279.373.864.459.861.358.351.567.559.8
Percentage of Assets47.747.845.943.541.138.332.628.827.624.621.429.531.232.729.729.028.728.724.90.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TreasuryStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-312006-12-31
Value-1823-1823-1650-1459-1334-1334-1074-912-637-430-306-306-306-167-3-3-3-3-3-85-85
Percentage of StockholdersEquity-84.1-84.7-74.6-62.3-57.5-63.9-51.3-42.3-26.5-17.1-11.9-15.3-14.3-7.6-0.2-0.2-0.2-0.2-0.2-8.0-9.1
Percentage of Assets-40.3-40.6-37.2-32.0-29.8-31.8-25.7-20.7-14.1-9.1-6.0-5.8-5.6-3.4-0.1-0.1-0.1-0.1-0.10.00.0
Percentage of Assets us-gaap:TreasuryStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Common Stock Value

us-gaap:CommonStockValue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value47474747474747474747474747474747474242424242424242424221212121202020101010101010101010
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.11.11.11.01.11.11.11.11.01.00.90.90.90.90.90.90.80.80.80.80.80.80.70.80.80.80.80.40.40.50.50.50.50.50.20.20.30.30.30.30.30.30.3

Retained Earnings Accumulated Deficit

us-gaap:RetainedEarningsAccumulatedDeficit



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value215721432037198318401607136212661251116212301235123710981400142014921552167116951730169819291836172616271558149614111373133613041272125812351209115811481102110110831057921
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets47.747.845.943.541.138.332.628.827.624.624.023.723.621.425.325.526.229.530.530.831.431.233.235.333.632.731.029.830.129.729.829.628.929.027.628.528.628.727.928.528.428.724.9

Treasury Stock Value

us-gaap:TreasuryStockValue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value182318231650145913341334107491263743037537530630630630630630630630630630629816716716733333333333333333
Percentage of TreasuryStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets40.340.637.232.029.831.825.720.714.19.17.37.25.96.05.55.55.45.85.65.65.65.65.13.23.33.40.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.1

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
Value114444222230100000-2-2-2-2-19-32-45-83346-222327881171047022-1-319275742186
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 Assets0.00.00.10.10.10.10.10.10.10.00.10.00.00.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.3-0.6-0.9-0.20.70.9-0.50.50.62.02.72.41.60.5-0.0-0.10.50.71.51.25.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312011-03-312010-03-312009-03-31
Value204262270326585316242273272179189260269139105856215514617126729391116152
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues53.057.063.161.291.244.144.460.457.644.749.156.652.044.134.034.522.055.547.955.957.547.443.654.665.2

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312011-03-312010-03-312009-03-31
Value-15881-202-228-195-248-241-258454-128-172-189-215-133-92-73-54-143-181-271-397-687-198-234-162
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-40.917.7-47.1-42.8-30.4-34.7-44.3-56.996.1-32.1-44.6-41.2-41.7-42.0-29.8-29.9-19.2-51.2-59.3-88.6-85.5-111.2-94.8-110.4-69.4

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312011-03-312010-03-312009-03-31
Value-46-213-227-171-77-381-425-239-242-80-23-91-14-9-29-73570-2028101122105751067
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-11.9-46.2-53.1-32.2-12.1-53.2-78.1-52.9-51.3-20.1-6.1-19.9-2.8-2.9-9.4-29.7202.4-7.29.333.126.417.036.350.33.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312011-03-312010-03-312009-03-31
Value204262270326585316242273272179189260269139105856215514617126729391116152
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues53.057.063.161.291.244.144.460.457.644.749.156.652.044.134.034.522.055.547.955.957.547.443.654.665.2

Net Income Loss

us-gaap:NetIncomeLoss



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302011-06-302011-03-312010-09-302010-06-302010-03-312009-09-302009-06-302009-03-31
Value5390181262122421171721105-10-62-51-15-2740100541232128382547
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues13.921.133.940.922.49.424.84.64.720.4-3.3-25.5-18.2-5.1-9.08.719.722.76.21.811.113.518.812.520.3

us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value539018126212242117
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues13.921.133.940.922.49.424.8
Percentage of Revenues us-gaap:RetainedEarnings0.00.00.00.00.00.00.0

Depreciation Depletion And Amortization

us-gaap:DepreciationDepletionAndAmortization



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-312009-09-302009-06-302009-03-31
Value10010611096921291218482143146144135141139147161149144152175173154157147168151148110114110908377856758625555
Percentage of DepreciationDepletionAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Increase Decrease In Other Operating Capital Net

us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-03-312013-03-312012-03-312011-03-312010-03-312009-03-31
Value0000223-1-2500600-10000-14-1-1000-223
Percentage of IncreaseDecreaseInOtherOperatingCapitalNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Increase Decrease In Inventories

us-gaap:IncreaseDecreaseInInventories



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-03-312013-03-312012-03-312011-03-312010-03-312009-03-31
Value4-4-117-1-784-321-10-10-1-1-2600-7-2-9-81018
Percentage of IncreaseDecreaseInInventories100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312011-03-312010-03-312009-03-31
Value-15881-202-228-195-248-241-258454-128-172-189-215-133-92-73-54-143-181-271-397-687-198-234-162
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-40.917.7-47.1-42.8-30.4-34.7-44.3-56.996.1-32.1-44.6-41.2-41.7-42.0-29.8-29.9-19.2-51.2-59.3-88.6-85.5-111.2-94.8-110.4-69.4

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312011-03-312010-03-312009-03-31
Value-46-213-227-171-77-381-425-239-242-80-23-91-14-9-29-73570-2028101122105751067
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-11.9-46.2-53.1-32.2-12.1-53.2-78.1-52.9-51.3-20.1-6.1-19.9-2.8-2.9-9.4-29.7202.4-7.29.333.126.417.036.350.33.0

Proceeds From Issuance Of Long Term Debt

us-gaap:ProceedsFromIssuanceOfLongTermDebt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-03-312013-03-312012-03-312011-03-312010-03-31
Value0000951580000000000908714826038223036613590110110
Percentage of ProceedsFromIssuanceOfLongTermDebt0.00.00.00.0100.0100.00.00.00.00.00.00.00.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Repayments Of Long Term Debt

us-gaap:RepaymentsOfLongTermDebt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-03-312013-03-312012-03-312011-03-31
Value0000102218237000000020645039910614225790291952830
Percentage of RepaymentsOfLongTermDebt0.00.00.00.0100.0100.0100.00.00.00.00.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Repayments Of Long Term Debt

us-gaap:RepaymentsOfLongTermDebt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-03-312013-03-312012-03-312011-03-31
Value0000102218237000000020645039910614225790291952830
Percentage of RepaymentsOfLongTermDebt0.00.00.00.0100.0100.0100.00.00.00.00.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Debt Instrument Interest Rate Stated Percentage

Effective Income Tax Rate Continuing Operations

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

us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod

cog:EmployeePerformanceShares



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-03-31
Value722500.00.00.00.0526730.00.00.00.0531670.00.00.00.0406460.00.00.00.0435990.00.00.00.0349780.00.0241130.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.0100.0

cog:HybridPerformanceShares



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-03-31
Value506412.00.00.00.0315029.00.00.00.0321720.00.00.00.0272920.00.00.00.0271938.00.00.00.0194947.00.0123257.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod70.10.00.00.059.80.00.00.060.50.00.00.067.10.00.00.062.40.00.00.055.70.051.1

cog:TSRPerformanceShares



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-03-31
Value862180.00.00.00.0536673.00.00.00.0482581.00.00.00.0409380.00.00.00.0407907.00.00.00.0292421.00.0184885.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod119.30.00.00.0101.90.00.00.090.80.00.00.0100.70.00.00.093.60.00.00.083.60.076.7

us-gaap:RestrictedStockUnitsRSU



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-03-31
Value121197.02385.02058.076232.05983.02748.071400.08247.02163.046618.02072.03123.061805.02127.01870.045450.032203.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod16.80.00.014.50.00.013.40.00.011.50.00.014.20.00.013.013.4

Share Based Compensation

Deferred Tax Liabilities

Deferred Tax Assets Net

us-gaap:DeferredTaxAssetsNet



Period End2019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value66225464630497420335337288223
Percentage of DeferredTaxAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Unrecognized Tax Benefits

us-gaap:UnrecognizedTaxBenefits



Period End2019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312009-12-312008-12-31
Value016000030000
Percentage of UnrecognizedTaxBenefits100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0

Deferred Tax Assets Valuation Allowance

us-gaap:DeferredTaxAssetsValuationAllowance



Period End2019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value311416544
Percentage of DeferredTaxAssetsValuationAllowance100.0100.0100.0100.0100.0100.0

us-gaap:ValuationAllowanceByDeferredTaxAsset

us-gaap:EquityMethodInvestments



Period End2019-12-31
Value18
Percentage of DeferredTaxAssetsValuationAllowance57.0

Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions

Operating Lease Right Of Use Asset

us-gaap:OperatingLeaseRightOfUseAsset



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value35353739420
Percentage of OperatingLeaseRightOfUseAsset100.0100.0100.0100.0100.00.0

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
Value2142133142480498
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities

cog:AntidilutiveSecuritiesExcludedfromComputationofEPSAmountTreasuryStockMethod

us-gaap:StockCompensationPlan



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value100000000000000
Percentage of AntidilutiveSecuritiesExcludedfromComputationofEPSAmountTreasuryStockMethod100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.00.0100.00.00.0

cog:ProceedsFromEquityMethodInvestmentsDistributionsIncludingReturnOfCapital



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value0344410
Percentage of ProceedsFromEquityMethodInvestmentsDistributionsIncludingReturnOfCapital0.0100.0100.0100.0100.0100.00.0

us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

cog:MeadePipelineCoLLC



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value0344410
Percentage of ProceedsFromEquityMethodInvestmentsDistributionsIncludingReturnOfCapital0.0100.0100.0100.0100.0100.00.0

cog:ProceedsfromPaymentsforDerivativeInstrumentOperatingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value023461552-2105-26431-1-4-811060455137
Percentage of ProceedsfromPaymentsforDerivativeInstrumentOperatingActivities0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0

cog:RealizedGainLossOnDerivatives



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-09-302016-06-30
Value023461552-2105-26431-1-811
Percentage of RealizedGainLossOnDerivatives0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AwardType, us-gaap:SubsequentEventType

cog:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAchievementAwardGrantDateFairValueCertified

cog:EmployeePerformanceShares, us-gaap:SubsequentEvent



Period End2020-02-292016-02-222015-02-28
Value798
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAchievementAwardGrantDateFairValueCertified100.0100.0100.0

cog:TSRPerformanceShares, us-gaap:SubsequentEvent



Period End2020-01-312016-01-052015-01-02
Value853
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAchievementAwardGrantDateFairValueCertified0.00.00.0

us-gaap:AwardType

cog:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsMinimumOperatingCashFlowRequirement

cog:HybridPerformanceShares



Period End2020-03-31
Value100
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsMinimumOperatingCashFlowRequirement100.0

us-gaap:Range, us-gaap:AwardType

cog:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedForfeitures

srt:Maximum, us-gaap:PerformanceShares



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value0.050.00.0200000000000000040.00.050.0099999999999999950.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedForfeitures100.00.0100.00.0100.0100.00.0

cog:StockAmortizationAndVesting



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value2660660
Percentage of StockAmortizationAndVesting100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value2660660
Percentage of StockAmortizationAndVesting97.8100.099.8131.9100.0100.082.5

us-gaap:CommonStock



Period End2020-03-312019-09-302019-06-302019-03-312018-06-302018-03-31
Value65000.03000.010000.068000.00.053000.0
Percentage of StockAmortizationAndVesting2.20.00.2-31.90.017.5

us-gaap:StatementEquityComponents

cog:StockAmortizationAndVestingShares

us-gaap:CommonStock



Period End2020-03-312019-06-302019-03-312018-09-302018-06-302018-03-31
Value651000.0102000.0682000.01000.02000.0534000.0
Percentage of StockAmortizationAndVestingShares100.0100.0100.0100.0100.0100.0

cog:StockBasedCompensationExpenseAndOther



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-03-312013-03-312011-03-312010-03-31
Value1516146557985710-47431784
Percentage of StockBasedCompensationExpenseAndOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AllocatedShareBasedCompensationExpense



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-30
Value16626151565577108357102-2856563121018101111011831
Percentage of AllocatedShareBasedCompensationExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AmortizationOfFinancingCosts



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-03-312013-03-312012-03-312011-03-312010-03-31
Value000111111111111111111110111
Percentage of AmortizationOfFinancingCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect



Period End2020-03-312019-03-31
Value0312
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0

us-gaap:CommonStockDividendsPerShareDeclared



Period End2020-03-312019-10-312019-09-302019-06-302019-04-302019-03-312019-03-312018-10-312018-09-302018-06-302018-03-312018-01-312017-12-312011-03-312010-09-302010-06-302010-03-312009-09-302009-06-302009-03-31
Value0.10.10.090.090.090.070.070.070.060.060.060.060.050.030.030.030.030.030.030.03
Percentage of CommonStockDividendsPerShareDeclared100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:SubsequentEventType

us-gaap:SubsequentEvent



Period End2019-10-312018-10-31
Value0.10.07
Percentage of CommonStockDividendsPerShareDeclared100.0100.0

us-gaap:DeferredIncomeTaxExpenseBenefit



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-03-312013-03-312012-03-312011-03-312010-03-312009-03-31
Value44553664889764264-410162053-1714-35-28-811-715-2945723961526
Percentage of DeferredIncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeGainLossOnDerivativeNet



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value1611638-3-3501333-376-271217-63412050-25-7020191
Percentage of DerivativeGainLossOnDerivativeNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeInstrumentRisk

us-gaap:DerivativeNonmonetaryNotionalAmountEnergyMeasure

cog:NaturalGasContractContractOne



Period End2020-03-31
Value21
Percentage of DerivativeNonmonetaryNotionalAmountEnergyMeasure100.0

cog:NaturalGasContractTwo



Period End2020-03-31
Value21
Percentage of DerivativeNonmonetaryNotionalAmountEnergyMeasure100.0

us-gaap:DerivativeInstrumentRisk, us-gaap:SubsequentEventType

cog:NaturalGasContractContractFour, us-gaap:SubsequentEvent



Period End2020-04-30
Value18
Percentage of DerivativeNonmonetaryNotionalAmountEnergyMeasure0.0

cog:NaturalGasContractContractOne, us-gaap:SubsequentEvent



Period End2020-02-25
Value10700
Percentage of DerivativeNonmonetaryNotionalAmountEnergyMeasure0.0

cog:NaturalGasContractThree, us-gaap:SubsequentEvent



Period End2020-04-30
Value73
Percentage of DerivativeNonmonetaryNotionalAmountEnergyMeasure0.0

cog:NaturalGasContractTwo, us-gaap:SubsequentEvent



Period End2020-02-25
Value10700
Percentage of DerivativeNonmonetaryNotionalAmountEnergyMeasure0.0

us-gaap:DirectOperatingCosts



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-30
Value172119181816171520242627242324262633343636363735353236312829272722272624
Percentage of DirectOperatingCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsCommonStockCash



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value39373829262727
Percentage of DividendsCommonStockCash100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value39373829262727
Percentage of DividendsCommonStockCash100.0100.0100.0100.0100.0100.0100.0

us-gaap:EquityMethodInvestmentDividendsOrDistributions



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value033441000
Percentage of EquityMethodInvestmentDividendsOrDistributions0.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:ExplorationExpense



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-312009-09-302009-06-302009-03-31
Value2544645105434636142368458884634491642046910814106
Percentage of ExplorationExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisChangeInUnrealizedGainLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value7-708-126-5-32-42-3-320-168-11353-15-35-24525
Percentage of FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisChangeInUnrealizedGainLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationGainLossIncludedInEarnings



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-03-312013-09-302013-06-302013-03-312012-09-302012-06-30
Value70712424-226-30-2821-186-103811-517-1-62-20013-5669
Percentage of FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationGainLossIncludedInEarnings100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationPurchasesSalesIssuesSettlements



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-03-312013-09-302013-06-302013-03-312012-09-302012-06-30
Value0-9-11-4-2220-321-3-3-2011-10-41-26-30-20-23-62-20013-55-68
Percentage of FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationPurchasesSalesIssuesSettlements0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GainLossOnSaleOfDerivatives



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value16-21163846-3-35-2901333-376-27181217-63414971-2000
Percentage of GainLossOnSaleOfDerivatives100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:GainLossOnSaleOfPropertyPlantEquipment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-30
Value0000-1-1250-411-11-10-1-1010300190-1-140006703
Percentage of GainLossOnSaleOfPropertyPlantEquipment100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncomeLossFromEquityMethodInvestments



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value0693332000-96-1-1-1-2-10211111100000
Percentage of IncomeLossFromEquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0

us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

cog:ConstitutionPipelineCompanyLLC



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value0-90000000-96-1-1-1-2-1021111110
Percentage of IncomeLossFromEquityMethodInvestments59.3-13.90.0-6.8-6.8-11.6-0.0-0.098.8100.099.999.099.999.999.9101.4100.1100.5100.3101.1100.498.2102.0113.0

cog:MeadePipelineCoLLC



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value0783332000000000000000000
Percentage of IncomeLossFromEquityMethodInvestments40.7113.9100.0106.8106.8111.6100.0100.01.20.00.11.00.10.10.1-0.0-0.1-0.5-0.3-1.1-0.41.8-2.0-13.0

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-03-312013-03-312012-03-312011-03-312010-03-312009-03-31
Value-2313-7-7-27-12521-1420-402376-3118-18-35-2912-16-27-38-9-12-45
Percentage of IncreaseDecreaseInAccountsPayableAndAccruedLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInIncomeTaxesPayableNetOfIncomeTaxesReceivable



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-03-312013-03-312012-03-312011-03-31
Value-263-11-126-45-2636-24-29-10-16105-11009-7-118-10-1642-24
Percentage of IncreaseDecreaseInIncomeTaxesPayableNetOfIncomeTaxesReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInInterestPayableNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value-1212-1212-1210-1815-1515-1515-1515-1514-1616
Percentage of IncreaseDecreaseInInterestPayableNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-03-312013-03-312012-03-312011-03-312010-03-312009-03-31
Value0-103-10-12-1002-1003-1-10200-100-122
Percentage of IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInReceivables



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-03-312013-03-312012-03-312011-03-312010-03-312009-03-31
Value-7349-24-37-1411394611-5054-15-15169317-190-12-50-4942230-19-3-1333
Percentage of IncreaseDecreaseInReceivables100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-30
Value10222022102110000000101112111111221
Percentage of IncrementalCommonSharesAttributableToShareBasedPaymentArrangements100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.00.00.00.00.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestIncomeExpenseNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-312009-09-302009-06-30
Value-14-14-13-14-12-15-14-23-20-20-20-20-20-20-21-21-24-24-24-24-23-23-17-16-16-15-16-16-16-18-16-18-18-17-16-15-14-14-15
Percentage of InterestIncomeExpenseNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeaseCost



Period End2020-03-312019-03-31
Value12
Percentage of OperatingLeaseCost100.0100.0

us-gaap:OperatingLeasePayments



Period End2020-03-312019-09-302019-06-302019-03-31
Value1111
Percentage of OperatingLeasePayments100.0100.0100.0100.0

us-gaap:OperatingLeasePaymentsUse



Period End2020-03-312019-09-302019-06-302019-03-31
Value0111
Percentage of OperatingLeasePaymentsUse0.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossNetOfTax



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312014-12-312014-03-31
Value000000017-37
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value-136000.0-137000.0-136000.0-137000.0-136000.0-135000.0306000.0
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsForRepurchaseOfEquity



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-312014-12-312013-12-31
Value01721901253129116221220755068000019164
Percentage of PaymentsForRepurchaseOfEquity0.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.00.00.00.00.0100.0100.0

us-gaap:PaymentsOfDebtIssuanceCosts



Period End2019-12-312019-09-302018-12-312018-09-302017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value000000000003007005
Percentage of PaymentsOfDebtIssuanceCosts100.00.00.00.00.00.00.00.00.00.00.0100.00.00.0100.00.00.0100.0

us-gaap:PaymentsOfDividendsCommonStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-03-312013-03-312012-03-312011-03-312010-03-312009-03-31
Value3940373829302627272323239999888888844333
Percentage of PaymentsOfDividendsCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value60009000720050005
Percentage of PaymentsRelatedToTaxWithholdingForShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireEquityMethodInvestments



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-06-302014-03-312013-03-31
Value0033149273533957466118105591651
Percentage of PaymentsToAcquireEquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

cog:ConstitutionPipelineCompanyLLC



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value0000000000021010667337515
Percentage of PaymentsToAcquireEquityMethodInvestments100.062.30.07.613.75.70.00.00.71.86.434.014.515.125.48.453.674.070.259.659.182.20.093.6

cog:MeadePipelineCoLLC



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-08-142018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value00331417927353393634552322101
Percentage of PaymentsToAcquireEquityMethodInvestments0.037.7100.092.486.394.3100.00.0100.099.398.293.666.085.584.974.691.646.426.029.840.440.917.80.06.4

us-gaap:PaymentsToAcquireInterestInJointVenture



Period End2020-03-312019-03-31
Value90
Percentage of PaymentsToAcquireInterestInJointVenture100.00.0

us-gaap:PaymentsToExploreAndDevelopOilAndGasProperties



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-03-312013-03-312012-03-312011-03-312010-03-312009-03-31
Value14816719922519524626023115617719318420813085679213517424939551433826018820386
Percentage of PaymentsToExploreAndDevelopOilAndGasProperties100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital



Period End2019-12-312019-09-302018-12-312018-09-30
Value72000.0898000.00.00.0
Percentage of ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital100.0100.00.00.0

us-gaap:ProceedsFromSaleOfEquityMethodInvestments



Period End2020-03-312019-03-31
Value24000.00.0
Percentage of ProceedsFromSaleOfEquityMethodInvestments100.00.0

us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

cog:MeadePipelineCoLLC



Period End2020-03-312019-11-302019-03-31
Value02490
Percentage of ProceedsFromSaleOfEquityMethodInvestments100.00.00.0

us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value00002228064682311010049040335400308
Percentage of ProceedsFromSaleOfPropertyPlantAndEquipment100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ResultsOfOperationsDryHoleCosts



Period End2019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-03-312013-03-312012-03-312011-03-31
Value2000415510000210000300012000
Percentage of ResultsOfOperationsDryHoleCosts100.00.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.00.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ResultsOfOperationsTransportationCosts



Period End2020-03-312019-03-31
Value143137
Percentage of ResultsOfOperationsTransportationCosts100.0100.0

us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue

cog:EmployeePerformanceShares



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-03-31
Value15.60.00.00.024.950.00.00.023.250.00.00.022.60.00.00.020.490.00.00.027.710.039.43
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.0100.0

cog:HybridPerformanceShares



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-03-31
Value15.60.00.00.024.950.00.00.023.250.00.00.022.60.00.00.020.490.00.00.027.710.039.43
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.0100.0

us-gaap:RestrictedStockUnitsRSU



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-03-312013-03-31
Value15.65-0.050000000000000710.06000000000000227424.950.0199999999999995740.0099999999999980123.420.31000000000000230.0599999999999987222.570.140000000000000570.12999999999999920.280.059999999999998720.199999999999999327.76-0.4499999999999957439.3353.23
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue100.30.00.0100.00.00.0100.70.00.099.90.00.099.00.00.0100.20.099.70.0

us-gaap:Range, us-gaap:AwardType

srt:Maximum, cog:TSRPerformanceShares



Period End2020-03-312019-09-302019-06-302019-03-312018-09-30
Value17.16-5.809999999999999-2.070000000000000324.11-1.4299999999999997
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue110.00.00.096.60.0

srt:Minimum, cog:TSRPerformanceShares



Period End2020-03-312019-09-302019-06-302019-03-312018-09-30
Value15.6-3.540000000000001-0.4899999999999984411.95-1.04
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue100.00.00.047.90.0

us-gaap:StatementScenario, us-gaap:PlanName

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross

srt:ScenarioForecast, cog:StockIncentivePlan2014



Period End2024-05-01
Value0.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross0.0

us-gaap:AwardType, us-gaap:Vesting

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage

cog:EmployeePerformanceShares, cog:SharebasedCompensationAwardShareAwardsPercentageVestingontheThirdServiceAnniversary



Period End2020-03-31
Value1.0
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage100.0

us-gaap:ShortTermLeaseCost



Period End2020-03-312019-03-31
Value1267
Percentage of ShortTermLeaseCost100.0100.0

us-gaap:StockRepurchasedDuringPeriodValue



Period End2019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1721901250259162274207
Percentage of StockRepurchasedDuringPeriodValue100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TaxesExcludingIncomeAndExciseTaxes



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-312009-09-302009-06-302009-03-31
Value3243572576989588581111111010121311111110101875881110101012
Percentage of TaxesExcludingIncomeAndExciseTaxes100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:UnrealizedGainLossOnDerivatives



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-03-312013-12-312012-03-312011-03-312010-03-312009-03-31
Value16-25-3548-4425-3-931-25-41234-3415-3818121730-392000000
Percentage of UnrealizedGainLossOnDerivatives100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0

us-gaap:VariableLeaseCost



Period End2020-03-312019-03-31
Value01
Percentage of VariableLeaseCost100.0100.0

cog:AccrualForAdValoremAndOtherNonIncomeTaxesCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-31
Value333331111045435965101177101066101188121211121514
Percentage of AccrualForAdValoremAndOtherNonIncomeTaxesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cog:AccruedCapitalExpenditures



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-12-31
Value5140444651433324423133514134443026276387130222185146
Percentage of AccruedCapitalExpenditures100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cog:AccruedTransportationCosts



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
Value515550494950474046514848
Percentage of AccruedTransportationCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cog:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRateBeginningOfYear



Period End2019-12-312018-12-312017-12-312016-12-312015-12-31
Value0.04450.03850.03850.04250.04
Percentage of DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRateBeginningOfYear100.0100.0100.0100.0100.0

cog:DefinedBenefitPlanHealthCareCostTrendRateAssumedNextFiscalYearPost65



Period End2019-12-312018-12-312017-12-312017-09-302016-12-312015-12-31
Value0.05250.0550.05750.060.050.055
Percentage of DefinedBenefitPlanHealthCareCostTrendRateAssumedNextFiscalYearPost65100.0100.0100.0100.0100.0100.0

cog:DefinedBenefitPlanHealthCareCostTrendRateAssumedNextFiscalYearPre65



Period End2019-12-312018-12-312017-12-312017-09-302016-12-312015-12-31
Value0.070.07250.0750.07750.0750.055
Percentage of DefinedBenefitPlanHealthCareCostTrendRateAssumedNextFiscalYearPre65100.0100.0100.0100.0100.0100.0

cog:ReceivablesGrossCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value136210160184221363224181171217163179194192122119101121120139186240192213246224180206173173104909611710512198
Percentage of ReceivablesGrossCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AwardType

cog:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValue

us-gaap:PerformanceShares



Period End2019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value58727955356211577
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValue100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestrictedStock



Period End2019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value13410111
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValue1.74.75.81.82.52.41.02.3

us-gaap:RestrictedStockUnitsRSU



Period End2019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value10111187172212
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValue17.015.214.714.720.928.919.116.5

us-gaap:AwardType, us-gaap:BalanceSheetLocation

cog:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedFairValue

cog:TSRPerformanceShares, us-gaap:StockholdersEquityTotal



Period End2019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value20.6319.9219.8518.5719.2932.0423.06
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedFairValue100.0100.0100.0100.0100.0100.0100.0

us-gaap:Range, us-gaap:AwardType, us-gaap:BalanceSheetLocation

srt:Maximum, cog:TSRPerformanceShares, us-gaap:Liability



Period End2019-12-312018-12-312017-12-312016-12-31
Value14.820.1221.647.1
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedFairValue71.7101.0109.038.2

srt:Minimum, cog:TSRPerformanceShares, us-gaap:Liability



Period End2019-12-312018-12-312017-12-312016-12-31
Value6.1815.1513.235.59
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedFairValue30.076.166.630.1

us-gaap:AwardType, us-gaap:SubsequentEventType

cog:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNumberOfSharesIssuableCertified

cog:EmployeePerformanceShares, us-gaap:SubsequentEvent



Period End2020-02-252016-02-222015-02-28
Value347070.0340960.0504620.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNumberOfSharesIssuableCertified100.0100.0100.0

cog:TSRPerformanceShares, us-gaap:SubsequentEvent



Period End2020-01-312016-01-052015-01-02
Value409380.0254980.0234922.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNumberOfSharesIssuableCertified0.00.00.0

cog:TaxesOtherThanIncomePayable



Period End2019-12-312018-12-312017-12-312016-12-312015-12-312015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value1619161314820161291813106131102
Percentage of TaxesOtherThanIncomePayable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccountsPayableOtherCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value9194433566669533245741045561756655565563597
Percentage of AccountsPayableOtherCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccountsPayableTradeCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value2521293525303433197253227272623283033376854534356262419112217251418182427
Percentage of AccountsPayableTradeCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccountsReceivableGrossCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value135209159183220362221175161215162176189185118115971161141301822271902112422151731931671659982911119810991
Percentage of AccountsReceivableGrossCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccrualForTaxesOtherThanIncomeTaxesCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-31
Value201613825191192016128171310616141216
Percentage of AccrualForTaxesOtherThanIncomeTaxesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccruedEmployeeBenefitsCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value1322181714211211820171261486813121210221826244332201716161152615810
Percentage of AccruedEmployeeBenefitsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccruedLiabilitiesCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value21312729272515131127272014211819172439573463445947735958424947544670495336473949395850
Percentage of AccruedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccruedRoyaltiesCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value243630323761332827393383928570736975757593971027983797581716647473948434736
Percentage of AccruedRoyaltiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AdditionalPaidInCapitalCommonStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value17851782177517691762176317561749174217421738173317281727172217161711721716717711710713723713710698725715716718720716724730727722720714709706705675
Percentage of AdditionalPaidInCapitalCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value1111111111221111110111011111111113334
Percentage of AllowanceForDoubtfulAccountsReceivableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetRetirementObligation



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value7772575554514947464865591351331361351321451401361321261167977757270696763616160747472
Percentage of AssetRetirementObligation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetRetirementObligationCurrent



Period End2019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-312016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-31
Value00111111562222222222
Percentage of AssetRetirementObligationCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetRetirementObligationsNoncurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value77715654535048464543595713313113413313014313813413012411477757370686967636161607474737229
Percentage of AssetRetirementObligationsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:AssetsFairValueDisclosure

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value1518171616141616151414131312121113121213131312131212
Percentage of AssetsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-12-31
Value80164893500300000001501628505110
Percentage of AssetsFairValueDisclosure56.30.296.9286.457.2242.80.03.621.20.00.00.00.00.0-1.90.0117.90.0128.3212.2380.7393.812.30.0

us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value7091492413726131021030324783851713413
Percentage of AssetsFairValueDisclosure45.60.053.683.954.8166.17.624.350.815.046.1100.876.223.815.40.028.00.0256.6361.4625.5655.4139.4101.231.4110.3

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
Value311842793574172027172027231513113212
Percentage of AssetsFairValueDisclosure201.9100.3250.5470.3211.9508.9107.6127.9172.0115.0146.1200.8176.2123.8113.5100.0246.0100.0

us-gaap:CapitalizedExploratoryWellCosts



Period End2019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-31
Value001900100105445
Percentage of CapitalizedExploratoryWellCosts0.00.0100.00.00.0100.00.0100.0100.0100.0100.0100.0

us-gaap:CapitalizedExploratoryWellCostsThatHaveBeenCapitalizedForPeriodOfOneYearOrLess



Period End2019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value00190010010544
Percentage of CapitalizedExploratoryWellCostsThatHaveBeenCapitalizedForPeriodOfOneYearOrLess0.00.0100.00.00.0100.00.0100.0100.0100.0100.0

us-gaap:ContractWithCustomerAssetNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value135209159183220363221175161215
Percentage of ContractWithCustomerAssetNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CreditFacility

us-gaap:DebtInstrumentCarryingAmount

us-gaap:LineOfCredit



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-09-302016-06-302016-03-312015-12-31
Value0000070000000413
Percentage of DebtInstrumentCarryingAmount0.00.00.00.00.0100.00.00.00.00.00.00.00.0100.0

us-gaap:DebtInstrument

cog:SixPointFiveOnePercentageWeightedAverageFixedRateNotes



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value124124124124124124124361361361361361361361361361425425
Percentage of DebtInstrumentCarryingAmount0.00.00.00.00.01771.40.00.00.00.00.00.00.00.00.00.00.0102.9

us-gaap:LineOfCredit



Period End2019-12-312018-12-312017-12-312016-12-312015-12-31
Value0700413
Percentage of DebtInstrumentCarryingAmount0.0100.00.00.0100.0

us-gaap:DeferredCompensationLiabilityClassifiedNoncurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value24272528292527272729272625242524252224302928303130333130292322201920242621
Percentage of DeferredCompensationLiabilityClassifiedNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value2427252829252727272927262524252425222430292830313033
Percentage of DeferredCompensationLiabilityClassifiedNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap: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
Value242725282925272727292726252425242522
Percentage of DeferredCompensationLiabilityClassifiedNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RetirementPlanName

cog:DeferredCompensationPlan



Period End2019-12-312018-12-312017-12-312016-12-31
Value27252924
Percentage of DeferredCompensationLiabilityClassifiedNoncurrent100.0100.199.8100.1

us-gaap:DeferredCompensationPlanAssets



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value15181716161416161514141313121211131212131313121312121111111011111110151615
Percentage of DeferredCompensationPlanAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

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Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value1518171616141616151414131312121113121213131312131212
Percentage of DeferredCompensationPlanAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap: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
Value151817161614161615141413131212111312
Percentage of DeferredCompensationPlanAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AwardType, us-gaap:BalanceSheetLocation

us-gaap:DeferredCompensationShareBasedArrangementsLiabilityCurrent

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Period End2019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value653017140
Percentage of DeferredCompensationShareBasedArrangementsLiabilityCurrent100.0100.0100.00.0100.0100.0100.00.0

us-gaap:AwardType, us-gaap:BalanceSheetLocation

us-gaap:DeferredCompensationSharebasedArrangementsLiabilityClassifiedNoncurrent

cog:TSRPerformanceShares, us-gaap:Liability



Period End2019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value47620477
Percentage of DeferredCompensationSharebasedArrangementsLiabilityClassifiedNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredFinanceCostsNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value334444555666777888
Percentage of DeferredFinanceCostsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredFinanceCostsNoncurrentGross



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value88993456778910111213132321221617181415161415161718191617181922
Percentage of DeferredFinanceCostsNoncurrentGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredIncomeTaxLiabilities



Period End2019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value768683691121013051299
Percentage of DeferredIncomeTaxLiabilities100.0100.0100.0100.0100.0100.0

us-gaap:DeferredIncomeTaxLiabilitiesNet



Period End2020-03-312019-12-312018-12-31
Value746702458
Percentage of DeferredIncomeTaxLiabilitiesNet100.0100.0100.0

us-gaap:DeferredTaxAssetsCapitalLossCarryforwards



Period End2019-12-312018-12-312017-12-31
Value080
Percentage of DeferredTaxAssetsCapitalLossCarryforwards0.0100.00.0

us-gaap:DeferredTaxAssetsEquityMethodInvestments



Period End2019-12-312018-12-312017-12-312016-12-31
Value2120210
Percentage of DeferredTaxAssetsEquityMethodInvestments100.0100.0100.00.0

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards



Period End2019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value22562073522231417813711395
Percentage of DeferredTaxAssetsOperatingLossCarryforwards100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsOther



Period End2019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value12022037
Percentage of DeferredTaxAssetsOther100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxCreditCarryforwardsAlternativeMinimumTax



Period End2019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value2211420821822822718212510162
Percentage of DeferredTaxAssetsTaxCreditCarryforwardsAlternativeMinimumTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxCreditCarryforwardsForeign



Period End2019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value0333344446
Percentage of DeferredTaxAssetsTaxCreditCarryforwardsForeign0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxCreditCarryforwardsOther



Period End2019-12-312018-12-312017-12-312016-12-31
Value0330
Percentage of DeferredTaxAssetsTaxCreditCarryforwardsOther0.0100.0100.00.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation



Period End2019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value1717152222213630
Percentage of DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits



Period End2019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value7671313131316
Percentage of DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost



Period End2019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value556879118
Percentage of DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesDerivatives



Period End2019-12-312018-12-312017-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value013015001968
Percentage of DeferredTaxLiabilitiesDerivatives100.0100.00.0100.0100.00.0100.0100.0

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment



Period End2019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value768670691120713031248132112041068925
Percentage of DeferredTaxLiabilitiesPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax



Period End2019-12-312018-12-312017-12-312016-12-312015-12-31
Value-1-5-3-10
Percentage of DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax



Period End2019-12-312018-12-312017-12-312016-12-312015-12-31
Value31-120
Percentage of DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax



Period End2019-12-312018-12-312017-12-312016-12-312015-12-31
Value2-4-500
Percentage of DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax100.0100.0100.0100.00.0

us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate



Period End2019-12-312018-12-312017-12-312017-09-302016-12-312015-12-31
Value0.0350.04450.03850.040.0430.0425
Percentage of DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate100.0100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanBenefitObligation



Period End2019-12-312018-12-312017-12-312017-09-302016-12-312015-12-312014-12-31
Value34293128373637
Percentage of DefinedBenefitPlanBenefitObligation100.0100.0100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanFundedStatusOfPlan



Period End2019-12-312018-12-312017-12-312017-09-302016-12-312015-12-31
Value-34-29-31-28-37-36
Percentage of DefinedBenefitPlanFundedStatusOfPlan100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeAssetFairValueGrossLiability



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value00014201000020100000021241002143
Percentage of DerivativeAssetFairValueGrossLiability0.0100.00.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.00.0100.00.00.00.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeAssetFairValueOffsetAgainstCollateralNetOfNotSubjectToMasterNettingArrangementPolicyElection



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value1602561145713162613102
Percentage of DerivativeAssetFairValueOffsetAgainstCollateralNetOfNotSubjectToMasterNettingArrangementPolicyElection100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeAssets



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-31
Value160256114571311261210211804876134137160365874506615821819512316
Percentage of DerivativeAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

cog:DerivativeInstrumentsCurrent, cog:CommodityContractOne, us-gaap:Nondesignated



Period End2019-12-312018-12-31
Value057
Percentage of DerivativeAssets100.0100.0

cog:DerivativeInstrumentsCurrent, us-gaap:CommodityContract, us-gaap:Nondesignated



Period End2020-03-312019-12-31
Value160
Percentage of DerivativeAssets100.0100.0

us-gaap:DerivativeAssetsCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-03-312017-12-31
Value1602561145750
Percentage of DerivativeAssetsCurrent100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:DerivativeInstrumentRisk

us-gaap:DerivativeAverageCapPrice

cog:NaturalGasContractTwo



Period End2020-03-312019-12-31
Value2.382.37
Percentage of DerivativeAverageCapPrice100.0100.0

us-gaap:DerivativeInstrumentRisk, us-gaap:SubsequentEventType

cog:NaturalGasContractThree, us-gaap:SubsequentEvent



Period End2020-04-30
Value2.2
Percentage of DerivativeAverageCapPrice0.0

cog:NaturalGasContractTwo, us-gaap:SubsequentEvent



Period End2020-02-25
Value2.38
Percentage of DerivativeAverageCapPrice0.0

us-gaap:DerivativeInstrumentRisk, us-gaap:SubsequentEventType

us-gaap:DerivativeAverageFloorPrice

cog:NaturalGasContractThree, us-gaap:SubsequentEvent



Period End2020-04-30
Value2.02
Percentage of DerivativeAverageFloorPrice100.0

cog:NaturalGasContractTwo, us-gaap:SubsequentEvent



Period End2020-02-25
Value2.15
Percentage of DerivativeAverageFloorPrice0.0

us-gaap:DerivativeInstrumentRisk, us-gaap:SubsequentEventType

us-gaap:DerivativeCapPrice

cog:NaturalGasContractTwo, us-gaap:SubsequentEvent



Period End2020-02-25
Value0.0
Percentage of DerivativeCapPrice0.0

us-gaap:Range, us-gaap:DerivativeInstrumentRisk, us-gaap:SubsequentEventType

srt:Maximum, cog:NaturalGasContractThree, us-gaap:SubsequentEvent



Period End2020-04-30
Value2.32
Percentage of DerivativeCapPrice0.0

srt:Minimum, cog:NaturalGasContractThree, us-gaap:SubsequentEvent



Period End2020-04-30
Value2.1
Percentage of DerivativeCapPrice0.0

us-gaap:DerivativeFairValueOfDerivativeAsset



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-31
Value160256218601411261312221804876134137191341366891850198
Percentage of DerivativeFairValueOfDerivativeAsset100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302013-12-31
Value801648935003000000151628505110
Percentage of DerivativeFairValueOfDerivativeAsset55.393.664.477.351.159.40.012.927.80.00.00.00.00.0-8.780.833.337.037.837.58.10.0

us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value70914924137261310213324783851713413
Percentage of DerivativeFairValueOfDerivativeAsset44.76.435.622.748.940.6100.087.166.8100.0100.0100.083.6100.071.019.266.763.062.262.591.9100.0100.0100.0

us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-03-31
Value1602562186014112613102118
Percentage of DerivativeFairValueOfDerivativeAsset100.0100.0100.0100.0100.0100.0100.0100.094.7100.0100.0100.083.6100.062.3100.0

us-gaap:DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-312013-09-302013-06-302013-03-312012-12-31
Value000000004200021180487613413916036588552
Percentage of DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral0.00.00.00.00.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeFairValueOfDerivativeLiability



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-31
Value0001521010830131440719003507724024403
Percentage of DerivativeFairValueOfDerivativeLiability0.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring



Period End2019-12-312018-12-312017-12-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value0000110136
Percentage of DerivativeFairValueOfDerivativeLiability0.00.00.00.033.820.916.928.3

us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring



Period End2019-12-312018-12-312017-12-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value023002406417
Percentage of DerivativeFairValueOfDerivativeLiability100.0100.0100.00.066.279.183.171.7

us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring



Period End2019-12-312018-12-31
Value02
Percentage of DerivativeFairValueOfDerivativeLiability100.0100.0

us-gaap:DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value0000101098300212416190
Percentage of DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral0.00.00.00.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:DerivativeInstrumentRisk, us-gaap:SubsequentEventType

us-gaap:DerivativeFloorPrice

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Period End2020-02-25
Value0.0
Percentage of DerivativeFloorPrice0.0

us-gaap:Range, us-gaap:DerivativeInstrumentRisk, us-gaap:SubsequentEventType

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Period End2020-04-30
Value2.15
Percentage of DerivativeFloorPrice0.0

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Period End2020-04-30
Value1.9
Percentage of DerivativeFloorPrice0.0

us-gaap:DerivativeInstrumentsAndHedges



Period End2019-12-312018-12-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value057227220180487613413716035669450611391961741004017166585133114264
Percentage of DerivativeInstrumentsAndHedges100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeLiabilities



Period End2019-12-312018-12-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-312014-12-312014-09-302014-06-302013-12-312013-03-312012-12-31
Value00300212406190003813290
Percentage of DerivativeLiabilities100.00.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0

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

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Period End2019-12-312018-12-31
Value9000.00.0
Percentage of DerivativeLiabilities100.00.0

cog:DerivativeInstrumentsCurrent, us-gaap:CommodityContract, us-gaap:Nondesignated



Period End2020-03-312019-12-31
Value0.09000.0
Percentage of DerivativeLiabilities0.0100.0

us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value000010450001721411
Percentage of DerivativeLiabilities0.00.00.00.00.00.00.00.00.00.022.241.358.553.276.756.7

us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value000142658300251818
Percentage of DerivativeLiabilities0.0277.80.00.00.00.00.00.00.0100.0116.094.041.546.823.342.1

us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value0001521010830131240619
Percentage of DerivativeLiabilities0.0277.80.00.00.00.00.00.00.0100.0138.2135.3100.0100.0100.098.8

us-gaap:DerivativeLiabilityFairValueGrossAsset



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-312013-03-312012-12-31
Value00014201000020100143
Percentage of DerivativeLiabilityFairValueGrossAsset0.0100.00.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.00.0100.00.00.0100.0100.0

us-gaap:DerivativeLiabilityFairValueOffsetAgainstCollateralNetOfNotSubjectToMasterNettingArrangementPolicyElection



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value0000101091330021241
Percentage of DerivativeLiabilityFairValueOffsetAgainstCollateralNetOfNotSubjectToMasterNettingArrangementPolicyElection0.0100.00.00.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeLiabilityNotSubjectToMasterNettingArrangement



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value00000000500000000
Percentage of DerivativeLiabilityNotSubjectToMasterNettingArrangement0.00.00.00.00.00.00.00.0100.0100.00.00.00.0100.00.0100.00.0

us-gaap:DerivativeInstrumentRisk, us-gaap:SubsequentEventType

us-gaap:DerivativeSwapTypeAverageFixedPrice

cog:NaturalGasContractContractFour, us-gaap:SubsequentEvent



Period End2020-04-30
Value2.1
Percentage of DerivativeSwapTypeAverageFixedPrice100.0

cog:NaturalGasContractContractOne, us-gaap:SubsequentEvent



Period End2020-02-25
Value2.28
Percentage of DerivativeSwapTypeAverageFixedPrice0.0

us-gaap:AwardType

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized

us-gaap:PerformanceShares



Period End2019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value27242019181817
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestrictedStock



Period End2019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value11400000
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized4.04.519.30.52.74.42.40.0

us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:SubsequentEventType

us-gaap:EquityMethodInvestmentOwnershipPercentage

cog:ConstitutionPipelineCompanyLLC, us-gaap:SubsequentEvent



Period End2020-02-10
Value0.25
Percentage of EquityMethodInvestmentOwnershipPercentage100.0

us-gaap:EquityMethodInvestments



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value001691661631631571471208614814013512912712311710393817468574932261611864
Percentage of EquityMethodInvestments0.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

cog:ConstitutionPipelineCompanyLLC



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-12-312012-12-31
Value000000000096979696989998908273686455266
Percentage of EquityMethodInvestments0.00.00.00.00.00.00.00.00.00.964.969.371.174.877.380.184.287.388.290.392.294.596.4100.0100.0

cog:MeadePipelineCoLLC



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-12-312012-12-31
Value0016916616316315714712085524339322924181311753200
Percentage of EquityMethodInvestments0.00.0100.0100.0100.0100.0100.0100.0100.099.135.130.728.925.222.719.915.812.711.89.77.85.63.60.00.0

us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:EscrowDeposit

cog:MeadePipelineCoLLC



Period End2019-11-30
Value13
Percentage of EscrowDeposit100.0

us-gaap:FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisWithUnobservableInputs



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-31
Value70912421-4-10-285115-150-8303247838515-26-6036583-29414412921819514
Percentage of FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisWithUnobservableInputs100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncomeTaxReceivable



Period End2019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value00008530
Percentage of IncomeTaxReceivable0.00.00.00.0100.0100.0100.00.0

us-gaap:IncomeTaxesReceivable



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-03-312013-12-312012-09-302011-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value156129133121111109654181562616110154441652300011331480
Percentage of IncomeTaxesReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestPayableCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value6197197209271227122712271228133013301330122012201122122212231424152419
Percentage of InterestPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:LiabilitiesFairValueDisclosure

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value2427252829252727272927262524252425222430292830313033
Percentage of LiabilitiesFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value000010450001721411000000110136
Percentage of LiabilitiesFairValueDisclosure0.00.00.00.04.30.017.019.40.00.00.64.229.288.518.845.60.00.00.00.00.00.04.033.842.221.0

us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value0001426583002518180000002406417
Percentage of LiabilitiesFairValueDisclosure0.00.10.05.715.49.522.418.829.0105.13.49.620.778.05.733.90.00.00.00.00.00.07.9128.2207.953.3

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
Value242725293528383835592829386431442522
Percentage of LiabilitiesFairValueDisclosure100.0100.1100.0105.7119.8109.5139.3138.2129.0205.1104.0113.9149.9266.6124.5179.5100.0100.0

us-gaap:CreditFacility

us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity

us-gaap:LineOfCredit



Period End2020-03-312019-03-312018-09-302018-06-302018-04-182018-03-312017-09-302017-06-302017-04-112017-03-312016-09-302016-06-302016-04-192016-03-312015-03-31
Value150018001800170017001700170017001700170017001700160018001100
Percentage of LineOfCreditFacilityRemainingBorrowingCapacity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CreditFacility, us-gaap:SubsequentEventType

us-gaap:LineOfCredit, us-gaap:SubsequentEvent



Period End2020-04-232019-04-222016-04-192015-04-172015-04-16
Value15001500160018001400
Percentage of LineOfCreditFacilityRemainingBorrowingCapacity0.00.0100.00.00.0

us-gaap:DebtInstrument

us-gaap:LineOfCredit



Period End2019-12-312019-04-222018-12-312016-12-312016-04-19
Value15001500180017001700
Percentage of LineOfCreditFacilityRemainingBorrowingCapacity0.00.00.00.0106.2

us-gaap:OperatingLeaseLiability



Period End2019-12-312019-09-302019-06-302019-03-31
Value35373942
Percentage of OperatingLeaseLiability100.0100.0100.0100.0

us-gaap:OperatingLeaseLiabilityCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value334570
Percentage of OperatingLeaseLiabilityCurrent100.0100.0100.0100.0100.00.0

us-gaap:OperatingLeaseLiabilityNoncurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value32323333340
Percentage of OperatingLeaseLiabilityNoncurrent100.0100.0100.0100.0100.00.0

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent



Period End2020-03-312019-03-31
Value0.050.049
Percentage of OperatingLeaseWeightedAverageDiscountRatePercent100.0100.0

us-gaap:OtherAssetsMiscellaneousNoncurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-31
Value000000000000000000000000000000011111
Percentage of OtherAssetsMiscellaneousNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherReceivables



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value0100000491013512225106000016121301002
Percentage of OtherReceivables100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherSundryLiabilitiesNoncurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-31
Value88888343432710875443334491066613111512161212711118
Percentage of OtherSundryLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities



Period End2019-12-312018-12-312017-12-312016-12-312015-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value1111111111456111
Percentage of PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesCurrentAndNoncurrent



Period End2019-12-312018-12-312017-12-312016-12-312015-12-31
Value3429313736
Percentage of PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesCurrentAndNoncurrent100.0100.0100.0100.0100.0

us-gaap:PropertyPlantAndEquipmentOther



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-31
Value10510410198949486838182888485848180114117116109
Percentage of PropertyPlantAndEquipmentOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProvedOilAndGasPropertySuccessfulEffortMethod



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value6674650863396138591957175489524750824932696768017589743776697543748388218701853182917984740569546676636265226245596957245618537651855006537751524794
Percentage of ProvedOilAndGasPropertySuccessfulEffortMethod100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestrictedCashAndCashEquivalents



Period End2020-03-312019-12-312018-12-312014-12-312014-09-302014-03-312013-12-312012-06-302012-03-312011-12-31
Value11130001928112
Percentage of RestrictedCashAndCashEquivalents100.0100.00.00.00.0100.0100.0100.0100.0100.0

us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber

cog:EmployeePerformanceShares



Period End2019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value1110011122
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cog:HybridPerformanceShares



Period End2019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value692788.0662388.0574354.0479784.0372385.0329061.0450212.0592162.0759328.0763576.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber55.051.752.448.340.230.227.230.828.930.6

cog:TSRPerformanceShares



Period End2019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value1110000011
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber113.4101.6101.389.179.162.051.931.656.956.7

us-gaap:RestrictedStock



Period End2019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value58834.0150293.0161450.043175.049825.049869.027806.035754.0238194.0528652.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber4.711.714.74.35.44.61.71.99.121.2

us-gaap:RestrictedStockUnitsRSU



Period End2019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value574219.0490415.0407563.0348538.0425438.0604214.0566321.0257734.0343654.0568504.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber45.638.337.235.146.055.534.213.413.122.8

us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue

cog:EmployeePerformanceShares



Period End2019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value23.6422.2223.3127.2630.2325.1816.2512.278.128.35
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cog:HybridPerformanceShares



Period End2019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value23.922.4822.7225.1230.3729.2718.9613.119.168.25
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue101.1101.297.592.1100.5116.2116.7106.8112.898.8

cog:TSRPerformanceShares



Period End2019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value20.1719.4719.2321.6223.8222.4214.0610.276.076.5
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue85.387.682.579.378.889.086.583.774.877.8

us-gaap:RestrictedStock



Period End2019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value25.1928.1228.033.8733.7633.420.5323.6418.358.89
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue106.6126.6120.1124.2111.7132.6126.3192.7226.0106.5

us-gaap:RestrictedStockUnitsRSU



Period End2019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value18.4717.4116.1715.0113.8112.4810.7518.1915.757.34
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue78.178.469.455.145.749.666.2148.2194.087.9

us-gaap:TreasuryStockShares



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-12-302018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value78796858535314234231412129999999999955500000000000000000
Percentage of TreasuryStockShares100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:UnprovedOilAndGasPropertySuccessfulEffortMethod



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value73133164178186194199189194190287291296260287325324390415451486492354352365375444458463467478456483478505492490
Percentage of UnprovedOilAndGasPropertySuccessfulEffortMethod100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Line plots across dimensions of each concept

us-gaap:SharesOutstanding us-gaap:StatementEquityComponents


us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService


us-gaap:CostOfGoodsAndServicesSold us-gaap:ProductOrService


us-gaap:StockholdersEquity us-gaap:StatementEquityComponents


us-gaap:LongTermDebtCurrent us-gaap:DebtInstrument


us-gaap:LongTermDebtCurrent us-gaap:FairValueByMeasurementBasis


us-gaap:LongTermDebt us-gaap:FairValueByMeasurementBasis


us-gaap:LongTermDebtNoncurrent us-gaap:FairValueByMeasurementBasis


us-gaap:StockholdersEquity us-gaap:StatementEquityComponents