COG


Line plots across dimensions of each concept
Line plots across concepts
Tables

Table of contents



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

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareDiluted

us-gaap:AllocatedShareBasedCompensationExpense

us-gaap:CostsAndExpenses

us-gaap:GeneralAndAdministrativeExpense

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:IncomeTaxExpenseBenefit

us-gaap:InterestIncomeExpenseNet

us-gaap:NetIncomeLoss
us-gaap:StatementEquityComponents

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic

us-gaap:OperatingIncomeLoss

us-gaap:OtherComprehensiveIncomeLossNetOfTax
us-gaap:StatementEquityComponents

us-gaap:OtherNonoperatingIncomeExpense

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:ProductOrService

us-gaap:Revenues

us-gaap:Assets

us-gaap:Liabilities

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents

us-gaap:AssetsCurrent

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:AccountsReceivableNetCurrent

us-gaap:InventoryNet

us-gaap:OtherAssetsCurrent

us-gaap:PropertyPlantAndEquipmentGross

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OtherAssetsNoncurrent

us-gaap:AccountsPayableCurrent

us-gaap:AccruedLiabilitiesCurrent

us-gaap:LiabilitiesCurrent

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

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OtherAccruedLiabilitiesCurrent

us-gaap:TaxesPayableCurrent

us-gaap:LongTermDebt
us-gaap:FairValueByMeasurementBasis

us-gaap:LongTermDebtNoncurrent
us-gaap:FairValueByMeasurementBasis

us-gaap:DeferredIncomeTaxLiabilitiesNet

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:OperatingLeaseLiability

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents

us-gaap:CommonStockValue

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:TreasuryStockValue

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:AmortizationOfFinancingCosts

us-gaap:DeferredIncomeTaxExpenseBenefit

us-gaap:DepreciationDepletionAndAmortization

us-gaap:IncreaseDecreaseInInventories

us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetIncomeLoss
us-gaap:StatementEquityComponents

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:ProceedsFromIssuanceOfLongTermDebt

us-gaap:RepaymentsOfLongTermDebt

us-gaap:PaymentsOfDividendsCommonStock

us-gaap:DeferredTaxLiabilities

us-gaap:DeferredTaxAssetsNet

us-gaap:UnrecognizedTaxBenefits
us-gaap:TaxCreditCarryforward

us-gaap:DeferredTaxAssetsValuationAllowance

cog:BusinessCombinationContractTerminationExpenseReimbursement

cog:BusinessCombinationContractTerminationFee

cog:ProceedsfromPaymentsforDerivativeInstrumentOperatingActivities

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

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

cog:StockBasedCompensationExpenseAndOther

us-gaap:AssetRetirementObligationAccretionExpense

us-gaap:AssetRetirementObligationLiabilitiesIncurred

us-gaap:AssetRetirementObligationLiabilitiesSettled

us-gaap:DerivativeGainLossOnDerivativeNet

us-gaap:DirectOperatingCosts

us-gaap:DividendsCommonStockCash
us-gaap:StatementEquityComponents

us-gaap:ExplorationExpense
us-gaap:DebtInstrument
us-gaap:ExtinguishmentOfDebtAmount
us-gaap:DebtInstrument, us-gaap:SubsequentEventType

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:DebtInstrument
us-gaap:LineOfCreditFacilityInterestRateDuringPeriod

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation

us-gaap:PaymentsToAcquireEquityMethodInvestments
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:PaymentsToAcquireInterestInJointVenture

us-gaap:PaymentsToExploreAndDevelopOilAndGasProperties

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:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum
us-gaap:StatementScenario, us-gaap:PlanName
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross

us-gaap:TaxesExcludingIncomeAndExciseTaxes

us-gaap:UnrealizedGainLossOnDerivatives

cog:AccrualForAdValoremAndOtherNonIncomeTaxesCurrent

cog:AccruedCapitalExpenditures

cog:AccruedTransportationCosts
us-gaap:BalanceSheetLocation
cog:BookOverdraft

cog:BusinessCombinationCommonStockRightToReceive

cog:CumulativePaymentsForRepurchaseOfCommonStock

cog:CumulativeTreasuryStockSharesAcquired

cog:CumulativeTreasuryStockSharesRetired

cog:DeferredTaxAssetsOperatingLeaseLiability

cog:DeferredTaxLiabilitiesEquityMethodInvestments

cog:DeferredTaxLiabilitiesOperatingRightOfUseAssets

cog:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRateBeginningOfYear

cog:DefinedBenefitPlanHealthCareCostTrendRateAssumedNextFiscalYearPost65

cog:DefinedBenefitPlanHealthCareCostTrendRateAssumedNextFiscalYearPre65

cog:DefinedBenefitPlanUltimateHealthCareCostTrendRatePost65

cog:DefinedBenefitPlanUltimateHealthCareCostTrendRatePre65

cog:ProvedDevelopedAndUndevelopedReservesRatioVolume

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

cog:TaxesOtherThanIncomePayable

srt:FutureNetCashFlowsRelatingToProvedOilAndGasReservesCashInflows

srt:FutureNetCashFlowsRelatingToProvedOilAndGasReservesDevelopmentCosts

srt:FutureNetCashFlowsRelatingToProvedOilAndGasReservesIncomeTaxExpense

srt:FutureNetCashFlowsRelatingToProvedOilAndGasReservesNetCashFlows

srt:FutureNetCashFlowsRelatingToProvedOilAndGasReservesProductionCosts

srt:FutureNetCashFlowsRelatingToProvedOilAndGasReservesTenPercentAnnualDiscountForEstimatedTimingOfCashFlows

srt:ProvedDevelopedAndUndevelopedReserveNetEnergy
us-gaap:ReserveQuantitiesByTypeOfReserve
srt:ProvedDevelopedAndUndevelopedReservesNet

srt:ProvedDevelopedReservesBOE1
us-gaap:ReserveQuantitiesByTypeOfReserve
srt:ProvedDevelopedReservesVolume

srt:ProvedUndevelopedReserveBOE1
us-gaap:ReserveQuantitiesByTypeOfReserve
srt:ProvedUndevelopedReserveVolume

srt:StandardizedMeasureOfDiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReserves

us-gaap:AccountsPayableOtherCurrent

us-gaap:AccountsPayableTradeCurrent

us-gaap:AccountsReceivableGrossCurrent

us-gaap:AccrualForTaxesOtherThanIncomeTaxesCurrent

us-gaap:AccruedEmployeeBenefitsCurrent

us-gaap:AccruedRoyaltiesCurrent

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:CapitalizedCostsAccumulatedDepreciationDepletionAmortizationAndValuationAllowanceForRelatingToOilAndGasProducingActivities

us-gaap:CapitalizedCostsOilAndGasProducingActivitiesGross

us-gaap:CapitalizedCostsOilAndGasProducingActivitiesNet

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

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:DeferredCompensationSharebasedArrangementsLiabilityClassifiedNoncurrent

us-gaap:DeferredFinanceCostsNet

us-gaap:DeferredFinanceCostsNoncurrentGross

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredTaxAssetsCapitalLossCarryforwards

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards

us-gaap:DeferredTaxAssetsOther

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:DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo

us-gaap:DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear

us-gaap:DefinedBenefitPlanFundedStatusOfPlan

us-gaap:DerivativeAssetFairValueGrossLiability

us-gaap:DerivativeAssetFairValueOffsetAgainstCollateralNetOfNotSubjectToMasterNettingArrangementPolicyElection

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

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

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

us-gaap:DerivativeFairValueOfDerivativeLiability

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

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

us-gaap:DerivativeLiabilitiesCurrent

us-gaap:DerivativeLiabilitiesNoncurrent

us-gaap:DerivativeLiabilityFairValueGrossAsset

us-gaap:DerivativeLiabilityFairValueOffsetAgainstCollateralNetOfNotSubjectToMasterNettingArrangementPolicyElection
us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeSwapTypeAverageFixedPrice
us-gaap:DerivativeInstrumentRisk, us-gaap:SubsequentEventType
us-gaap:AwardType
us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized

us-gaap:FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisWithUnobservableInputs

us-gaap:IncomeTaxesReceivable

us-gaap:InterestPayableCurrent

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

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree
us-gaap:DebtInstrument
us-gaap:LongtermDebtWeightedAverageInterestRate
us-gaap:DebtInstrument, us-gaap:SubsequentEventType

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent
us-gaap:IncomeTaxAuthority
us-gaap:OperatingLossCarryforwards
us-gaap:IncomeTaxAuthority
us-gaap:OperatingLossCarryforwardsValuationAllowance

us-gaap:OtherAssetsMiscellaneousNoncurrent
us-gaap:OtherCommitments
us-gaap:OtherCommitment
us-gaap:OtherCommitments
us-gaap:OtherCommitmentDueAfterFifthYear
us-gaap:OtherCommitments
us-gaap:OtherCommitmentDueInFifthYear
us-gaap:OtherCommitments
us-gaap:OtherCommitmentDueInFourthYear
us-gaap:OtherCommitments
us-gaap:OtherCommitmentDueInNextTwelveMonths
us-gaap:OtherCommitments
us-gaap:OtherCommitmentDueInSecondYear
us-gaap:OtherCommitments
us-gaap:OtherCommitmentDueInThirdYear

us-gaap:OtherReceivables

us-gaap:OtherSundryLiabilitiesNoncurrent

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesCurrentAndNoncurrent

us-gaap:PropertyPlantAndEquipmentOther

us-gaap:ProvedOilAndGasPropertySuccessfulEffortMethod

us-gaap:RestrictedCashAndCashEquivalents

us-gaap:RevenueRemainingPerformanceObligation
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
us-gaap:PlanName
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant

us-gaap:StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased
us-gaap:TaxCreditCarryforward
us-gaap:TaxCreditCarryforwardAmount
us-gaap:TaxCreditCarryforward
us-gaap:TaxCreditCarryforwardValuationAllowance

us-gaap:TreasuryStockShares

us-gaap:UnprovedOilAndGasPropertySuccessfulEffortMethod

us-gaap:UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued
us-gaap:TaxCreditCarryforward

Plots across concepts


IncomeStatement
Other Comprehensive Income Loss Net Of Tax
Expenses
Other Nonoperating Income Expense
Balance Sheet
Operating Lease Right Of Use Asset
Assets
Derivative Assets
Current Assets
Other Assets Current
NonCurrent Assets
Operating Lease Right Of Use Asset
PropertyPlantAndEquipmentNet
Accumulated Depreciation Depletion And Amortization Property Plant And Equipment
Liabilities
Operating Lease Liability
Current Liabilities
Other Accrued Liabilities Current
Noncurrent Liabilities
Operating Lease Liability Noncurrent
Stockholders Equity
Accumulated Other Comprehensive Income Loss Net Of Tax
CashFlow
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInOperatingActivities
Gain Loss On Sale Of Property Plant Equipment
NetCashProvidedByUsedInFinancingActivities
Net Cash Provided By Used In Financing Activities
Shares
Treasury Stock Shares
OperatingLeaseLiability
Operating Lease Liability Current
LesseeOperatingLeaseLiabilityPaymentsDue
Lessee Operating Lease Liability Payments Due Year Three
AccountsReceivable
Allowance For Doubtful Accounts Receivable Current

Tables

  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:CommonStockValue ██████████████████████▇▇▇▇▇▇▇▇▇▇▃▃▃▃▃▃▃▁▁▁▁47.86247.83847.78347.75447.75447.75347.68847.68847.68847.67847.6147.60947.60947.60847.55547.54447.54347.54147.50447.50447.50447.48942.37742.37742.3742.3542.29242.29142.29142.29142.20142.19621.07621.07521.04321.02420.99820.98320.90210.44910.44710.44610.421NANANA
 us-gaap:SharesOutstanding us-gaap:StatementEquityComponents us-gaap:CommonStock█▆▁478.621478.377477.829NA477.535477.533476.882476.882476.879476.777476.095476.089476.086476.081475.547NANANA475.043NANANA423.769NANANA422.915NANANA422.015NANANA210.43NANANA209.019NANANA208.42NANANA
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding █▁402.206401.811NA398.58401.279399.897NA414.462424.349425.189NA443.11453.114461.549NA464.78466.745466.888NA465.149465.068431.841NA413.846413.713414.771NA418.093419.092418.513NA423.453211.745211.376NA211.226211.158210.813NA105.46105.337105.32NA105.225104.964104.978
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic █▁399.586399.121NA398.58398.576398.343NA412.456422.141423.116NA440.772451.055459.715NA462.498464.768465.348NA465.149465.068431.841NA413.846413.713413.344NA416.173417.291416.9NA420.986210.349210.15NA209.656209.512209.128NA104.285104.264104.144NA103.955103.915103.794
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount NANANA3.009NANANA0.484NANANANANANANANANANANANANA0.7NA1.6921.6550.401NA0.00.0020.272NA0.0010.0010.184NA0.0460.1220.082NA0.0010.0010.708NANA0.634NA
 us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities cog:NetIncomeLossNANANA3.009NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities cog:TreasuryStockMethod▁█0.0010.928NANANA1.068NA0.484NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:EarningsPerShareBasic ▅▆▆▄▅▅▇▆▇██▆▅▆▄▅▅▆▁▄▄▄▃▄▄▅▂▆▆▆▆▆▇▆▆▆▆▅▃▆█▅▇▅▆▆0.080.320.33-0.040.080.140.360.220.430.620.620.280.090.26-0.090.040.050.23-0.64-0.02-0.14-0.12-0.27-0.04-0.070.1-0.530.240.280.260.190000000000000060.170.420.20.20.170.170.09-0.330000000000000070.270.530.120.470.040.210.28
us-gaap:EarningsPerShareDiluted ▅▆▆▄▅▅▇▆▇██▆▅▆▄▅▅▆▁▄▄▄▃▄▄▅▂▆▆▆▆▆▇▆▆▆▆▅▃▆▇▅▇▅▆▆0.080.310.33-0.040.080.130.360.220.430.620.620.280.090.25-0.090.040.050.23-0.64-0.02-0.14-0.12-0.27-0.04-0.070.1-0.530.240.280.260.180000000000000050.170.420.20.190.170.170.09-0.330000000000000070.270.520.120.459999999999999960.040.210.27
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
 TTM Greenblatt ROC _ _▆▇▆▅▆▆▇▆▇██▇▆▇▁▅▆▇▁▅▄▅▄▅▅▆▁▇▇▇▆▆▆▆▆▆▆▅▆▆▆▅▆53.908175.438162.892-7.53353.71686.401222.209129.777250.805352.959340.678176.05178.029177.044-438.80539.98657.44190.12-443.4773.196-70.684-55.589-157.67-1.024-18.96287.295-489.293190.341210.653194.487167.198131.532164.73687.014105.61775.77578.07946.66198.60965.233106.61836.39131.508NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:AllocatedShareBasedCompensationExpense ▃▆▄▆▅▇▄▃▄▇▇▄▄▄▄▄▅▅▃▄▄▅▃▁▅▄▄▄▄▃▅▆▅█▅▅▆▂▅▅▆▅▄▃▃4.311.77.211.48.316.36.82.16.715.115.56.55.75.47.87.810.18.33.05.17.310.62.1-2.98.65.96.45.76.33.210.812.210.018.710.110.411.41.710.210.011.28.15.53.81.9NA
us-gaap:CostsAndExpenses ▁▄▅▆▂▆█▇▄▅270.779284.313293.534298.605278.391300.068308.463303.23286.962290.906NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:GeneralAndAdministrativeExpense ▃▅▄▄▃▅▃▂▃▅▅▃▃▄▄▃▄▃▃▃▃▄▂▁▃▃▃▃▃▃▃▄▃▆▄▃█▃▄▄▄▄▅▃▁▂23.03729.15524.53424.26223.16633.42922.518.39122.88931.0930.62820.72421.22824.0626.88423.24423.95723.718.84319.77620.24728.37615.83311.10219.97822.52921.24819.57920.12721.63622.59724.69721.60835.70427.9923.82946.87222.54926.41327.94926.00624.29929.50221.07712.85315.746
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest ▆▇▆▅▆▆▇▆▇██▇▆▆▁▅▆▇▁▅▄▅▄▅▅▆▁▇▇▇▆▆▆▆▆▆▆▅▆▆41.304163.015151.853-21.97939.12572.124207.415116.08236.095340.634324.938161.74554.583156.872-459.23424.73837.136168.925-463.992-18.287-97.356-79.964-182.337-25.534-43.1363.729-512.766172.919194.319177.93151.008115.736148.03570.75988.95559.55659.58429.74480.87446.716NANANANANANA
us-gaap:IncomeTaxExpenseBenefit ▇▇▇▇▇▇█▇███▇▇▇▁▇▇█▄▇▆▆▆▇▇▇▃██████▇█▇▇▇█▇▇▇█▇▇▇10.8436.66120.647-7.0188.75118.21460.47525.72255.08677.87149.89339.40812.15239.641-414.7937.15115.60963.205-171.232-8.027-34.446-28.77-71.213-10.02-15.62223.474-290.99572.13175.89970.89973.06245.84758.92127.93548.08922.94823.64711.42654.51118.23433.8976.13761.8971.61714.61716.981
us-gaap:InterestIncomeExpenseNet ▇▇█▆▆▆▆▇▆▇▆▆▂▃▃▃▃▃▃▃▂▁▁▁▁▂▂▅▅▅▅▆▅▅▅▅▄▅▅▄▄▅▃▅▆▆-12.558-12.377-10.981-14.389-14.543-14.211-14.65-13.554-14.567-12.181-15.624-14.191-23.328-20.058-20.41-20.331-20.619-20.771-20.515-21.483-21.963-24.375-24.667-24.51-24.168-23.566-23.473-17.422-16.334-16.557-16.19-15.796-16.701-16.255-16.662-16.219-18.495-16.917-17.735-18.517-18.044-17.367-20.502-16.758-15.769-14.912
us-gaap:NetIncomeLoss ▁█30.464126.354NA-14.96130.37453.91NA90.358181.009262.763NA122.33742.431117.231NA17.58721.527105.72NA-10.26-62.91-51.194NA-15.514-27.50840.255NA100.788NANANANANANANANANANANANA54.67712.886NANA21.68228.696
us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic NANA131.206-14.96130.37453.91146.9490.358181.009262.763NANANA117.231NANANANANANANANANANA-27.50840.255-221.771100.788118.42107.03177.94669.88989.11442.82440.86636.60835.93718.31826.36328.48254.67712.88649.1093.898NANA
us-gaap:OperatingIncomeLoss ▆▇▆▅▆▆▇▆▇██▇▆▇▁▅▆▇▁▅▄▅▄▅▅▆▁▇▇▇▆▆▆▆▆▆▆▅▆▆▆▅▆▅▅▆53.908175.438162.892-7.53353.71686.401222.209129.777250.805352.959340.678176.05178.029177.044-438.80539.98657.44190.12-443.4773.196-70.684-55.589-157.67-1.024-18.96287.295-489.293190.341210.653194.487167.198131.532164.73687.014105.61775.77578.07946.66198.60965.233106.61836.39131.50822.27352.06860.589
us-gaap:OtherComprehensiveIncomeLossNetOfTax ▁█-0.138-0.137NA-0.144-0.151-0.136NA-0.137-0.136-0.137NA-0.136-0.1350.306NANANANANANANANANANANANA17.04812.96513.807-37.61NANANANANANANANANANANANANANANANA
 us-gaap:OtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents us-gaap:AccumulatedOtherComprehensiveIncome▁█-0.138-0.137NA-0.144-0.151-0.136NA-0.137-0.136-0.137NA-0.136-0.1350.306NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherNonoperatingIncomeExpense ▁▁▁▁▁▁▁▁▁▁▁▁▁▁▂█▂▁▁▁▁-0.046-0.046-0.058-0.057-0.048-0.066-0.144-0.143-0.143-0.144-0.116-0.115-0.118-0.114-0.0195.0830.315-0.424-0.402-0.402-0.302NANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax ▄▅▅▃▂▄▅▄▅▇█▆▅▅▄▄▅▅▃▃▂▂▂▃▃▅▇▆▆▆▅▅▅▄▄▂▂▂▂▂▂▁▁▁▁▁411.788472.918456.778333.294288.374370.395461.368418.051470.468633.424670.241548.71457.115467.65429.93386.252446.652484.459355.441310.429246.816281.941280.791305.296306.297464.765618.004512.017533.187509.803487.463435.85449.68373.285369.879296.874265.657272.136268.025262.117240.696209.026203.387224.062200.241216.345
us-gaap:Revenues ▃▅▄▂▃▄▅▄▆▇█▆▄▅▄▄▅▅▃▂▂▂▂▂▂▅▇▅▆▅▅▄▄▃▃▂▂▂▂▂▂▁▁▁▁▁324.667459.68456.778291.041332.348386.457461.368429.111534.117641.681716.301545.173453.447473.227400.503385.416460.457517.843316.491310.429246.816281.941280.791305.296306.297464.765618.004512.017533.187509.803487.463435.85449.68373.285369.879296.874265.657272.136268.025262.117240.696209.026203.387224.062200.241216.345
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:Assets ▃▃▃▃▃▃▃▃▃▃▂▂▃▃▄▅▆▆▅▇▇█▆▇▇▇▇█▆▅▅▅▅▄▃▃▃▃▂▃▂▁▁4610.5674550.8524523.5324419.3054527.874522.1754487.2454442.6654563.7294481.5474198.8294179.0434396.714538.4014727.3445128.7665219.4595244.3885122.5695531.9215570.475702.7085261.8995484.6725504.925512.3235437.7165807.2645208.9225145.7754981.085031.3925017.9364687.8364616.3134482.9374410.1924402.7944331.4934472.3974250.164048.4074005.031NANANA
us-gaap:Liabilities ▂▂▂▂▂▂▂▂▂▁▁▁▂▁▂▃▄▃▃▄▄▄▇██▇▇█▅▅▅▄▄▃▃▃▂▂▂▃▂▁▁2310.6722244.8822307.8252300.8172361.8912353.782335.7582229.0892218.9252160.6082110.672084.8962242.5362131.8852203.4392484.1722577.4282537.2092554.9022668.6712692.8712758.6483252.7113362.9353359.0043336.7923294.9833440.7932806.9832876.9842776.4782702.6582731.6952564.6222484.8662382.652278.8622277.8382226.7252429.2272283.9612162.3872132.331NANANA
us-gaap:LiabilitiesAndStockholdersEquity ▃▃▃▃▃▃▃▃▃▃▂▂▃▃▄▅▆▆▅▇▇█▆▇▇▇▇█▆▅▅▅▅▄▃▃▃▃▂▃▂▁▁4610.5674550.8524523.5324419.3054527.874522.1754487.2454442.6654563.7294481.5474198.8294179.0434396.714538.4014727.3445128.7665219.4595244.3885122.5695531.9215570.475702.7085261.8995484.6725504.925512.3235437.7165807.2645208.9225145.7754981.085031.3925017.9364687.8364616.3134482.9374410.1924402.7944331.4934472.3974250.164048.4074005.031NANANA
us-gaap:StockholdersEquity ▄▄▃▃▃▃▃▃▄▄▂▂▃▄▅▆▆▆▆▇██▂▃▃▃▃▄▄▄▃▄▄▃▃▂▃▃▃▂▂▁▁2299.8952305.972215.7072118.4882165.9792168.3952151.4872213.5762344.8042320.9392088.1592094.1472154.1742406.5162523.9052644.5942642.0312707.1792567.6672863.252877.5992944.062009.1882121.7372145.9162175.5312142.7332366.4712401.9392268.7912204.6022328.7342286.2412123.2142131.4472100.2872131.332124.9562104.7682043.171966.1991886.021872.7NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:AssetsCurrent ▃▃▃▂▃▄▄▃▄▄▄▄▆█▅▅▅▅▅▄▄▅▁▁▂▂▃▄▂▂▃▂▃▂▂▂▂▂▂▂▂▁▁396.066411.915415.715322.552463.934541.789568.248421.679631.33680.191544.545619.864987.4131236.118764.957718.029735.824748.313715.881655.645659.238720.687144.786215.421254.993349.403413.447587.946306.096373.83378.899289.756403.193238.88270.31224.674295.867339.727345.8310.037235.838161.538203.008NANANA
us-gaap:CashAndCashEquivalentsAtCarryingValue ▂▂▂▁▂▂▂▂▃▃▁▃▆█▄▅▅▅▅▅▅▅▁▁▁▁▁▃▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁158.147173.659140.1130.17117.164202.842200.22782.316241.394314.8892.287316.077740.994964.928480.047510.256516.534537.485498.542501.193517.49579.3160.5148.77315.23113.94820.954309.98745.6125.43123.427.93247.27720.45730.73637.50148.64132.32829.91162.92839.31424.89655.94937.58847.68528.505
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents ▅▅▄▁▄▆▆▃▆█▁168.914185.237151.69111.748128.742214.437213.78382.316241.394314.8892.287NANANA480.047NANANA498.542NANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:AccountsReceivableNetCurrent ▆▇█▂▁▂█182.7197.843214.724136.738117.918135.697209.023NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:InventoryNet ▆▅▅▅▇▇▄▇▇▇▃▄█▃▁▄▃▃▄▄▅▅▆▇█▄▄17.39515.8715.2714.92917.94818.24913.93218.19519.38118.27711.07612.47620.4712.4488.00612.99711.0812.09513.30413.48714.98515.94817.04918.28320.42314.08714.026NANANA17.468NANA11.27814.17317.69611.98512.2321.27828.29624.04420.80629.667NANANA
us-gaap:OtherAssetsCurrent ▂▁▁▂▂▁▁▂▂▁▁▂▂▁▂▃▅▂▂▂▂▁▂▂▃▁▁█▂▁▂▂▃▁▂▂▃▂▂▃▃▃▃4.6330.8321.652.3223.3470.771.6843.2014.1260.7441.8632.6923.8921.7712.7946.12312.1764.3492.6924.1064.5281.3712.6713.9594.8072.0461.85519.2333.5251.4152.5873.7034.8891.1742.1582.9376.7283.3664.5796.5546.9294.7335.978NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:PropertyPlantAndEquipmentGross ▅▄▄▄▄▄▃▃▃▃▂▂▂▁▁▄▄▆▅▆▆▆███▇▇▆▅▄▄▄▄▃▃▃▃▂▂▃▂7499.1587332.4667211.07150.1567020.2756853.1186746.6186605.2356415.1856200.4296006.3775777.5775521.3145360.5245207.2257344.1747178.8798159.7517970.4558227.0948141.4478165.2279573.19477.1779339.6839130.7968828.2178106.5817647.9027378.1957072.1997300.1317033.9956761.2746518.2166419.7696154.8015989.4635805.3566199.2695960.685NA5608.122NANANA
us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment ▅▅▄▄▄▄▄▃▃▃▃▂▂▂▂▄▄▆▆▅▅▅█▇▇▇▆▄▃▃▃▃▃▂▂▂▂▁▁▂▁3348.3673257.0383166.3943115.4763017.7832932.6212890.9122817.6542715.612625.8072542.7712411.342295.8212214.2722135.0213109.4022975.8943831.3913720.333504.4963378.7673327.4134596.2214335.7734207.0284071.9923902.5062976.3682822.3782667.6262525.9722609.9552475.7882348.5022207.2392200.8482093.1271978.261870.7722095.9521992.969NA1845.362NANANA
us-gaap:PropertyPlantAndEquipmentNet ▅▄▄▄▄▄▄▃▃▃▂▂▂▁▁▅▅▅▅▇▇▇▇███▇█▇▇▆▆▆▆▅▅▄▄▄▄▄▄▃4150.7914075.4284044.6064034.684002.4923920.4973855.7063787.5813699.5753574.6223463.6063366.2373225.4933146.2523072.2044234.7724202.9854328.364250.1254722.5984762.684837.8144976.8795141.4045132.6555058.8044925.7115130.2134825.5244710.5694546.2274690.1764558.2074412.7724310.9774218.9214061.6744011.2033934.5844103.3173967.7163847.0473762.76NANANA
us-gaap:OperatingLeaseRightOfUseAsset ▆▆▇▇▇▇▇▇██▁32.00232.72533.74134.72134.94835.62935.91637.71539.6942.1740.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherAssetsNoncurrent █▇▇▇▇▇▇██▇▂▂▁▁▁▂▂▂▂▁▁▂▃▃▃▂▂▂▂▇▆▄▃▃▃▃▃▂▂▇▅▄▄63.7163.50963.21162.07361.44459.88963.29164.31966.68662.7727.49727.64625.5822.96125.25127.04528.74831.73227.03925.77724.92927.02936.71734.43936.19729.58830.52931.6127.44861.37655.95442.75238.57336.18435.02634.96333.89229.60529.8659.04346.60639.82239.263NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:AccountsPayableCurrent ▂▂▂▁▂▂▂▂▂▃▄▄▄▂▄▁▂▂▂▁▁▁▁▂▃▆█▇▄▅▅▆▇▅▆▅▄▃▃▃▃▃▃166.256169.101162.081151.662161.657183.816189.811172.732184.96204.544241.939263.623235.978174.662238.045160.789183.554183.305168.411160.142142.501147.994160.407191.341218.633321.215400.076379.787255.681297.685288.801335.349356.851299.733312.48276.149237.417213.188217.294207.798223.838199.649229.981NANANA
us-gaap:AccruedLiabilitiesCurrent ▂▂▂▃▃▂▃▃▃▃▃▁▁▁▃▃▂▁▂▂▂▂▃▄▆▄▇▅▆▅█▆▆▄▅▅▆▅█▅▆▄▅20.0821.2422.37428.39624.89521.40931.2927.7829.18427.25525.22715.45313.81711.5727.44127.31420.84114.29921.49218.19919.34417.82624.92339.12357.46534.57963.66944.84359.73447.20373.60159.23458.57142.55349.78947.41254.11646.29670.91849.20453.10836.97547.897NANANA
us-gaap:LiabilitiesCurrent ▄▃▄▄▄▄▃▃▂▂▂▄▇▆█▅▂▁▂▁▂▁▂▂▂▄▆▅▄▅▄▄▆▅▅▄▃▃▃▂▂▂▃378.684315.092390.226385.928381.388387.177328.034294.785234.026240.315287.264366.098590.744510.491630.05438.234234.422224.395257.812196.763228.49199.382235.552265.585278.852402.746499.018432.791362.147432.628407.905399.273494.391447.264444.139412.79340.859322.154343.344288.977286.724241.702303.835NANANA
us-gaap:LongTermDebtCurrent ▂▂██▇▇▁▁100.0100.0188.0188.0175.0175.087.087.0NANA0.067.0304.0304.0304.0237.0NANA0.00.020.020.020.020.0NANA0.0NANANANANA75.075.075.075.0NANANANANANANANANANA
us-gaap:OperatingLeaseLiabilityCurrent ▅▅▅▅▄▄▄▅▆█▁3.9513.913.9914.0273.6653.4433.1244.285.7827.5170.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherAccruedLiabilitiesCurrent ▃▃▂▃▃▃▃▂▂▂▂▁▁▂▃▁▂▃▃▄▂▅█▄▄▄▅▄▅▅▅▅▅▄▃▃▃▃▃▂▃1.2821.1211.0871.3041.521.4811.5890.9290.8650.7070.994-0.2250.1420.5051.2940.1580.8191.5281.512.2490.9952.95.982.3332.7882.553.0492.6512.9733.1242.8972.9242.9862.2941.2181.61.5061.5461.1690.7361.175NA1.355NANANA
us-gaap:TaxesPayableCurrent NA19.895NANANANA0.00.00.01.8071.134NANANA0.0NANANANANANANANANANANANANANANANANANANANANANANANANANA5.07825.957NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:LongTermDebt ▁▁▂▂▂▂▂▂▂▂▂▃▄▄▄▃▄▄▄▄▅▅█1046.3161046.1231133.9241161.7121220.4951220.261220.0251219.791219.5551219.3381226.1041285.8481522.5721522.2311521.8911291.01521.2111520.871520.531520.191539.8491603.1922016.139NA1995.01877.01752.01612.0NANA1147.0NANANANANANANANANANANANANANANA
us-gaap:LongTermDebtNoncurrent ▁▁▁▁▂▂▂▂▃▃▃▃▃▃▃▃▅▅▅▅▅▅██946.316946.123945.924973.7121045.4951045.261133.0251132.791219.5551219.3381226.1041218.8481218.5721218.2311217.8911284.5511521.2111520.871520.531520.191519.8491583.1922005.02017.0NA1877.01752.01612.01193.01222.01147.01162.01067.01052.01012.0987.0972.01012.0950.01205.01095.01055.0975.0NANANA
us-gaap:DeferredIncomeTaxLiabilitiesNet ██▇▅▅▅▁788.811786.526774.195748.489754.108746.108702.104NANANA458.597NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent ▃▃▃▄▄▄▄▂▂▂▁▃▃▂▂▁▆▆▆▆▆▆▅▆▆▆▅▅▅▅▄██▇▇██▇▇▇▅▅▄31.63331.20330.71333.74933.50633.1332.71329.42728.87428.42127.91230.76930.35129.72229.39627.3637.20837.04236.25937.62336.93736.24435.29338.01837.31436.44835.82735.93635.21234.37333.55441.04140.31339.63638.86440.99340.47439.59138.70839.44334.86934.50234.053NANANA
us-gaap:OtherLiabilitiesNoncurrent ▇██▇▆▆▆▆▇▇▅▆▅▂▃▂▂▂▁▁▁▁▁▁▂▃▃▂▂▃▄▃▄▃▃▃▂▁▂▂▂▂▂75.92178.52881.27875.26968.04365.07668.28467.64670.95172.27460.17161.88760.54834.78739.72336.40834.0630.80129.12129.41829.44428.7426.02428.74135.00638.40839.60737.78937.83937.88246.25442.87646.10842.22240.17541.47934.5528.6231.93935.87735.70835.77532.179NANANA
us-gaap:OperatingLeaseLiabilityNoncurrent ▇▇▇▇▇█████▁27.93528.69729.62830.59431.18232.07932.67733.32633.79734.5020.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo NANA4.894NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree NANA4.613NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour NANA4.653NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive NANA4.675NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive NANA20.495NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:StockholdersEquity ▄▄▃▃▃▃▃▃▄▄▂▂▃▄▅▆▆▆▆▇██▂▃▃▃▃▄▄▄▃▄▄▃▃▂▃▃▃▂▂▁▁2299.8952305.972215.7072118.4882165.9792168.3952151.4872213.5762344.8042320.9392088.1592094.1472154.1742406.5162523.9052644.5942642.0312707.1792567.6672863.252877.5992944.062009.1882121.7372145.9162175.5312142.7332366.4712401.9392268.7912204.6022328.7342286.2412123.2142131.4472100.2872131.332124.9562104.7682043.171966.1991886.021872.7NANANA
us-gaap:CommonStockValue ██████████████████████▇▇▇▇▇▇▇▇▇▇▃▃▃▃▃▃▃▁▁▁▁47.86247.83847.78347.75447.75447.75347.68847.68847.68847.67847.6147.60947.60947.60847.55547.54447.54347.54147.50447.50447.50447.48942.37742.37742.3742.3542.29242.29142.29142.29142.20142.19621.07621.07521.04321.02420.99820.98320.90210.44910.44710.44610.421NANANA
us-gaap:AdditionalPaidInCapitalCommonStock ████████████████▇▇▇▇▇▇▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁1815.771808.2321804.3541800.0021792.5311785.3131782.4271775.5791769.1951762.8611763.1421756.3371749.4371742.6681742.4191738.6561733.3121728.1821727.311722.1291716.9331711.233721.997716.93717.327711.18710.432713.087723.218713.95710.94698.383725.156715.896716.609718.76720.67716.965724.377730.985727.021722.521720.92NANANA
us-gaap:RetainedEarningsAccumulatedDeficit ██▇▇▇▇▇▇▆▅▄▃▂▂▁▂▂▂▁▃▃▃▄▄▅▅▅▆▅▅▄▄▃▃▃▂▂▂▂▂▂▁▁2257.322270.8192184.3522093.0042147.8222157.3062143.2132037.0661983.7331840.8161607.6581362.7971266.9281251.5681162.431230.0021235.541237.2891098.7031400.7651420.3281492.5381552.0141671.4161695.2051730.9871698.9951929.0261836.5771726.5041627.8051558.261496.7951411.8871373.2641336.5941304.1781272.4321258.2911235.0591209.7051158.1561148.391NANANA
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax ▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▂▂▁▃▄▅▂▄▄▇█▇▆▄▃▃2.1442.2822.4190.9291.0731.2241.364.0274.1644.34.4372.1122.2482.3832.0773.4820.7261.0020.985-0.313-0.331-0.365-0.365-2.151-2.151-2.151-2.151-19.199-32.164-45.971-8.36133.24446.563-22.29523.8827.25888.833117.925104.54770.02622.375-1.754-3.683NANANA
us-gaap:TreasuryStockValue ███████▇▇▆▆▅▄▃▃▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁1823.2011823.2011823.2011823.2011823.2011823.2011823.2011650.7841459.9761334.7161334.6881074.708912.048637.711430.576375.09375.09306.835306.835306.835306.835306.835306.835306.835306.835306.835306.835298.734167.983167.983167.9833.3493.3493.3493.3493.3493.3493.3493.3493.3493.3493.3493.349NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NetCashProvidedByUsedInOperatingActivities ▃▄▄▂▂▃▄▄▅█▄▃▄▄▃▃▄▄▂▂▁▁▂▂▂▄▄178.942290.527307.842129.06136.436204.897262.98270.874326.65585.287316.051242.192273.9272.76179.113189.101260.568269.378139.728105.40585.15462.09155.783146.363171.21267.381293.185NANANANANANANANANANANANANA129.48891.213NANA127.081116.097
us-gaap:NetCashProvidedByUsedInInvestingActivities ▄▄▅▄▄▄▆▄▄▄▄▄▄█▄▄▄▄▄▅▅▅▄▄▄▃▁-151.302-123.525-96.932-147.179-182.254-158.11381.701-202.089-228.395-195.132-248.539-241.536-258.178454.87-128.669-172.0-189.732-215.752-133.077-92.399-73.681-54.061-143.765-181.065-271.265-397.239-687.496NANANANANANANANANANANANANA-151.752-198.126NANA-202.801-234.6
us-gaap:NetCashProvidedByUsedInFinancingActivities ▄▃▃▃▄▄▂▂▃▃▁▁▂▂▃▄▃▄▄▄▃█▄▄▅▅▅-43.963-133.456-70.967-98.875-39.877-46.13-213.214-227.863-171.75-77.553-381.302-425.573-239.656-242.749-80.653-23.379-91.787-14.683-9.302-29.303-73.299570.773-20.27728.244101.338122.852105.278NANANANANANANANANANANANANA36.68275.86NANA94.9106.85
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect ▃▄▅▂▂▃▅▁▂█-16.32333.546139.943-116.994-85.6950.654131.467-159.078-73.495312.602NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:AmortizationOfFinancingCosts ▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▆▅▅▅▅▅▁█▅▅0.7090.7150.7270.7330.7510.750.7470.7551.3751.0891.111.1311.1951.1951.1951.1951.1951.1891.1951.1961.5011.1911.0591.0581.071.2671.3761.1261.1261.1260.9260.9250.9450.8970.9650.9662.271.0641.0641.0641.1331.12-4.9176.1621.0681.068
us-gaap:DeferredIncomeTaxExpenseBenefit ▇▇▇▇▇▇▇▇████▇█▁▇▇▇▄▇▆▆▆▇▇▇▃█▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇2.32412.37125.264-5.5768.04544.04455.42136.3564.64588.00297.80464.8232.68964.287-410.84416.33720.10553.289-171.2944.881-35.321-28.973-81.1941.066-7.92115.081-294.00662.98660.8557.60331.14537.57346.08823.57438.21515.64117.3499.72417.36320.49530.3436.54331.3441.37413.37515.716
us-gaap:DepreciationDepletionAndAmortization ▂▂▂▃▂▃▃▃▂▂▅▄▂▂▅▆▆▅▅▅▆▇▆▆▆█▇▆▆▆█▇▆▆▄▃▄▃▂▂▂▁▂▂▁▁91.54994.14896.49799.64994.622100.135106.439110.88996.14792.258129.269121.17284.9182.128143.128146.267144.322135.1141.218139.49147.533161.887149.876144.326152.513175.497173.765154.013157.563147.418182.03168.98151.389148.653115.984110.448114.616110.35792.49990.29383.22577.12491.50485.35576.72673.498
us-gaap:IncreaseDecreaseInInventories ▅▅▅▄▅▆▃▄▅▇▄▂█▆▄▆▅▄▅▄▅▄▄▄▇▅▅▅▅▂▃▆▇▄▃▇▅▁▂▆▆▂▄█▇▁1.5250.60.548-3.0190.1354.317-4.263-1.1861.1047.201-1.399-7.0518.0684.309-3.4342.0961.213-1.209-0.184-1.498-0.261-1.101-1.233-2.1416.3360.0610.2961.8171.522-7.076-3.6322.5626.999-2.896-3.5225.711-0.245-9.048-6.3374.2523.238-8.861-2.6768.8095.863-10.319
us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet ▅▅▄▅▅▅▅▅▅█▅▅▁▅▅▆▅▅▅▅▅▅▅▅▅▄▅▅▅▅▆▅▅▅▅▅▄▅▇▆▄▄▃▆▆▄1.5361.817-8.126-0.654-0.8290.111-0.312-0.4780.47722.1343.511-1.253-25.6740.337-0.9356.1770.318-0.419-1.681-0.138-0.416-0.230.12-1.0984.593-1.93-1.3820.146-0.714-0.0398.2420.319-0.189-0.358-0.5141.795-3.167-0.3817.2916.881-4.027-2.651-15.0425.186.542-2.884
us-gaap:NetCashProvidedByUsedInOperatingActivities ▃▄▄▂▂▃▄▄▅█▄▃▄▄▃▃▄▄▂▂▁▁▂▂▂▄▄178.942290.527307.842129.06136.436204.897262.98270.874326.65585.287316.051242.192273.9272.76179.113189.101260.568269.378139.728105.40585.15462.09155.783146.363171.21267.381293.185NANANANANANANANANANANANANA129.48891.213NANA127.081116.097
us-gaap:NetIncomeLoss ▁█30.464126.354NA-14.96130.37453.91NA90.358181.009262.763NA122.33742.431117.231NA17.58721.527105.72NA-10.26-62.91-51.194NA-15.514-27.50840.255NA100.788NANANANANANANANANANANANA54.67712.886NANA21.68228.696
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NetCashProvidedByUsedInInvestingActivities ▄▄▅▄▄▄▆▄▄▄▄▄▄█▄▄▄▄▄▅▅▅▄▄▄▃▁-151.302-123.525-96.932-147.179-182.254-158.11381.701-202.089-228.395-195.132-248.539-241.536-258.178454.87-128.669-172.0-189.732-215.752-133.077-92.399-73.681-54.061-143.765-181.065-271.265-397.239-687.496NANANANANANANANANANANANANA-151.752-198.126NANA-202.801-234.6
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NetCashProvidedByUsedInFinancingActivities ▄▃▃▃▄▄▂▂▃▃▁▁▂▂▃▄▃▄▄▄▃█▄▄▅▅▅-43.963-133.456-70.967-98.875-39.877-46.13-213.214-227.863-171.75-77.553-381.302-425.573-239.656-242.749-80.653-23.379-91.787-14.683-9.302-29.303-73.299570.773-20.27728.244101.338122.852105.278NANANANANANANANANANANANANA36.68275.86NANA94.9106.85
us-gaap:ProceedsFromIssuanceOfLongTermDebt NANA73.0123.00.00.00.00.00.095.0158.00.00.00.00.00.00.00.00.00.00.090.087.0148.0260.0382.0230.01191.0245.0366.0370.0260.0190.0135.0120.0110.080.090.00.0110.0110.0110.0225.090.0100.0110.0
us-gaap:RepaymentsOfLongTermDebt ▁▂▂▃▁▁▁▁▁▂▃▃▁▁▁▁▁▁▁▁▂▆▂▂▂▃▂█▃▄▄▃▃▂▂▁▂▁▃▁▂▁▄0.088.0101.0182.00.00.00.00.00.0102.0218.0237.00.00.00.00.00.00.00.020.064.0503.099.0106.0142.0257.090.0772.0274.0291.0385.0240.0175.095.095.020.0120.028.0255.00.070.030.0345.0NANANA
us-gaap:PaymentsOfDividendsCommonStock █▇▇▇▇▇▇▇▇▆▆▅▅▅▄▄▄▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁43.96339.88739.85839.85739.85839.81740.79337.02538.09229.60530.18426.46727.07127.64723.13123.12523.2769.3069.3029.3039.38.2828.2788.2758.2748.2638.268.3398.3478.3328.4028.4234.2064.2014.1964.1934.1914.1773.1293.1293.1283.1223.1193.123.1163.112
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value4747474747474747474747474747474747474747474742424242424242424242212121212020201010101010
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.01.11.11.11.11.11.11.11.01.11.11.11.11.01.00.90.90.90.90.90.90.80.80.80.80.80.80.70.80.80.80.80.40.40.50.50.50.50.50.20.20.30.30.3

Shares Outstanding

us-gaap:SharesOutstanding us-gaap:StatementEquityComponents

us-gaap:SharesOutstanding

us-gaap:CommonStock


Shares
Period End2021-06-302021-03-312020-12-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-31
Value478478477477477476476476476476476476476475475423422422210209208207207
Percentage of SharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TreasuryStock


Shares
Period End2021-06-302021-03-312020-12-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-31
Value-78.957-78.957-78.95778787868585353423423149.8939.8939.8935.6180.4040.4040.4040.4040.404
Percentage of SharesOutstanding-16.5-16.5-16.516.516.516.614.512.311.211.28.87.34.93.12.12.32.31.30.20.20.20.20.2

Weighted Average Number Of Diluted Shares Outstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value402401398401399414424425443453461464466466465465431413413414418419418423211211211211210105105105105104104
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Shares Outstanding Basic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value399399398398398412422423440451459462464465465465431413413413416417416420210210209209209104104104103103103
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount


Antidilutive
Period End2020-09-302019-09-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-06-30
Value3009000.0484000.0700000.01692000.01655000.0401000.002000.0272000.01000.01000.0184000.046000.0122000.082000.01000.01000.0708000.0634000.0
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities

cog:NetIncomeLoss


Antidilutive
Period End2020-09-30
Value3009000.0
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount100.0

cog:TreasuryStockMethod


Antidilutive
Period End2021-06-302021-03-312020-03-312019-09-30
Value1000.0928000.01068000.0484000.0
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount0.00.00.0100.0

Earnings Per Share Basic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareBasic


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.080.320.33-0.040.080.140.360.220.430.620.620.280.090.26-0.090.040.050.23-0.64-0.02-0.14-0.12-0.27-0.04-0.070.1-0.530.240.280.260.190.170.420.20.20.170.170.09-0.330.270.530.120.470.040.210.28
Percentage of EarningsPerShareBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Diluted

us-gaap:EarningsPerShareDiluted

us-gaap:EarningsPerShareDiluted


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.080.310.33-0.040.080.130.360.220.430.620.620.280.090.25-0.090.040.050.23-0.64-0.02-0.14-0.12-0.27-0.04-0.070.1-0.530.240.280.260.180.170.420.20.190.170.170.09-0.330.270.520.120.460.040.210.27
Percentage of EarningsPerShareDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Allocated Share Based Compensation Expense

us-gaap:AllocatedShareBasedCompensationExpense

us-gaap:AllocatedShareBasedCompensationExpense


Allocated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value4.3117.2118.3166.82.16.715156.55.75.47.87.8108.33.05.17.3102.1-2.98.65.96.45.76.33.2101210.0181010111.71010.0118.15.53.81.9
Percentage of AllocatedShareBasedCompensationExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.02.51.63.42.94.41.50.51.42.40.01.21.21.20.02.02.31.70.01.63.03.80.0-0.92.81.30.01.11.20.60.02.82.25.00.03.54.30.60.03.84.73.90.01.70.9

Costs And Expenses

us-gaap:CostsAndExpenses

us-gaap:CostsAndExpenses


Costs
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value270284293298278300308303286290
Percentage of CostsAndExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax65.860.164.389.696.581.066.972.561.045.9

General And Administrative Expense

us-gaap:GeneralAndAdministrativeExpense

us-gaap:GeneralAndAdministrativeExpense


General
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value23292424233322182231302021242623232318192028151119222119202122242135272346222627262429211215
Percentage of GeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.66.25.47.38.09.04.94.44.94.90.03.84.65.10.06.05.44.90.06.48.210.10.03.66.54.80.03.83.84.20.05.74.89.60.08.017.68.30.010.710.811.60.09.46.47.3

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

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value41163151-21.979397220711623634032416154156-459.2342437168-463.992-18.287-97.356-79.964-182.337-25.534-43.1363-512.76617219417715111514870885959298046
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax10.034.533.2-6.613.619.545.027.850.253.80.029.511.933.50.06.48.334.90.0-5.9-39.4-28.40.0-8.4-14.113.70.033.836.434.90.026.632.919.00.020.122.410.90.017.8

Income Tax Expense Benefit

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxExpenseBenefit


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value103620-7.0188.751186025557749391239-414.7937.1511563-171.232-8.027-34.446-28.77-71.213-10.02-15.62223-290.99572757073455827482223115418336.137611.6171416
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.67.84.5-2.13.04.913.16.211.712.30.07.22.78.50.01.93.513.00.0-2.6-14.0-10.20.0-3.3-5.15.10.014.114.213.90.010.513.17.50.07.78.94.20.07.014.12.90.00.77.37.8

Interest Income Expense Net

us-gaap:InterestIncomeExpenseNet

us-gaap:InterestIncomeExpenseNet


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-12558000.0-12377000.0-10981000.0-14389000.0-14543000.0-14211000.0-14650000.0-13554000.0-14567000.0-12181000.0-15624000.0-14191000.0-23328000.0-20058000.0-20410000.0-20331000.0-20619000.0-20771000.0-20515000.0-21483000.0-21963000.0-24375000.0-24667000.0-24510000.0-24168000.0-23566000.0-23473000.0-17422000.0-16334000.0-16557000.0-16190000.0-15796000.0-16701000.0-16255000.0-16662000.0-16219000.0-18495000.0-16917000.0-17735000.0-18517000.0-18044000.0-17367000.0-20502000.0-16758000.0-15769000.0-14912000.0
Percentage of InterestIncomeExpenseNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-3.0-2.6-2.4-4.3-5.0-3.8-3.2-3.2-3.1-1.90.0-2.6-5.1-4.30.0-5.3-4.6-4.30.0-6.9-8.9-8.60.0-8.0-7.9-5.10.0-3.4-3.1-3.20.0-3.6-3.7-4.40.0-5.5-7.0-6.20.0-7.1-7.5-8.30.0-7.5-7.9-6.9

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302011-06-302011-03-312010-06-302010-03-31
Value30126-14.961305390181262122421171721105-10.26-62.91-51.194-15.514-27.5084010054122128
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 RevenueFromContractWithCustomerExcludingAssessedTax7.426.7-4.510.514.621.638.541.522.39.325.14.64.821.8-3.3-25.5-18.2-5.1-9.08.719.722.76.210.813.3

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value30126-14.96130539018126212242117
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.426.7-4.510.514.621.638.541.522.39.325.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.0

Net Income Loss Available To Common Stockholders Basic

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic


Net
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-03-312015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value131-14.961305314690181262117-27.50840-221.771100118107776989424036351826285412493.898
Percentage of NetIncomeLossAvailableToCommonStockholdersBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax28.7-4.510.514.631.821.638.541.525.1-9.08.70.019.722.221.00.016.019.811.50.012.313.56.70.010.922.76.20.01.7

Operating Income Loss

us-gaap:OperatingIncomeLoss

us-gaap:OperatingIncomeLoss


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value53175162-7.533538622212925035234017678177-438.8053957190-443.4773.196-70.684-55.589-157.67-1.024-18.96287-489.29319021019416713116487105757846986510636131225260
Percentage of OperatingIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax13.137.135.7-2.318.623.348.231.053.355.70.032.117.137.90.010.412.939.20.01.0-28.6-19.70.0-0.3-6.218.80.037.239.538.10.030.236.623.30.025.529.417.10.024.944.317.40.09.926.028.0

Other Comprehensive Income Loss Net Of Tax

us-gaap:OtherComprehensiveIncomeLossNetOfTax

us-gaap:OtherComprehensiveIncomeLossNetOfTax


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312014-12-312014-09-302014-06-302014-03-31
Value-0.138-0.137-0.144-0.151-0.136-0.137-0.136-0.137-0.136-0.1350.306171213-37.61
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.0-0.0-0.0-0.1-0.0-0.0-0.0-0.0-0.0-0.00.10.02.52.6-7.4

us-gaap:OtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value-0.138-0.137-0.144-0.151-0.136-0.137-0.136-0.137-0.136-0.1350.306
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.0-0.0-0.0-0.1-0.0-0.0-0.0-0.0-0.0-0.00.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.0

Other Nonoperating Income Expense

us-gaap:OtherNonoperatingIncomeExpense

us-gaap:OtherNonoperatingIncomeExpense


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value-46000.0-46000.0-58000.0-57000.0-48000.0-66000.0-144000.0-143000.0-143000.0-144000.0-116000.0-115000.0-118000.0-114000.0-19000.05083000.0315000.0-424000.0-402000.0-402000.0-302000.0
Percentage of OtherNonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.00.0-0.0-0.0-0.00.01.30.1-0.10.0-0.1-0.1

Revenue From Contract With Customer Excluding Assessed Tax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value411472456333288370461418470633670548457467429386446484355310246281280305306464618512533509487435449373369296265272268262240209203224200216
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService

cog:OtherRevenues


Revenue
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value0.070.0590.0380.0880.055-0.082-0.0140.252.026-0.1211.872.4922.6623.332
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.00.00.0-0.0-0.00.00.4-0.00.40.60.60.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.00.00.0-0.0-0.00.00.4-0.00.40.60.60.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax cog:OtherRevenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

srt:NaturalGasReserves


Revenue
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-30
Value411472333288370418470633440364412323395
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.080.379.888.183.788.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.080.379.888.183.788.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:NaturalGasReserves100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NaturalGasProduction


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value411472413333288370463418470633663440364412353323395
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.090.4100.0100.0100.0100.5100.0100.0100.099.080.379.888.182.383.788.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.090.4100.0100.0100.0100.5100.0100.0100.099.080.379.888.182.383.788.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:NaturalGasProduction100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Revenues

us-gaap:Revenues

us-gaap:Revenues


Revenues
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value324459456291332386461429534641716545453473400385460517316310246281280305306464618512533509487435449373369296265272268262240209203224200216
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax78.897.2100.087.3115.2104.3100.0102.6113.5101.3106.999.499.2101.293.299.8103.1106.989.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Assets

us-gaap:Assets

us-gaap:Assets


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value46104550452344194527452244874442456344814198417943964538472751285219524451225531557057025261548455045512543758075208514549815031501746874616448244104402433144724250404840053683
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Liabilities

us-gaap:Liabilities

us-gaap:Liabilities


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value23102244230723002361235323352229221821602110208422422131220324842577253725542668269227583252336233593336329434402806287627762702273125642484238222782277222624292283216221321870
Percentage of Liabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets50.149.351.052.152.252.052.150.248.648.250.349.951.047.046.648.449.448.449.948.248.348.461.861.361.060.560.659.253.955.955.753.754.454.753.853.151.751.751.454.353.753.453.250.8

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:LiabilitiesAndStockholdersEquity


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value46104550452344194527452244874442456344814198417943964538472751285219524451225531557057025261548455045512543758075208514549815031501746874616448244104402433144724250404840053683
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-312007-12-31
Value2299230522152118216521682151221323442320208820942154240625232644264227072567286328772944200921212145217521422366240122682204232822862123213121002131212421042043196618861872181217901070
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets49.950.749.047.947.848.047.949.851.451.849.750.149.053.053.451.650.651.650.151.851.751.638.238.739.039.539.440.846.144.144.346.345.645.346.246.948.348.348.645.746.346.646.849.20.00.0

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Stockholders
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value2.4191.364.4372.0770.985-0.365-2.151-1.81-6.837
Percentage of StockholdersEquity0.10.10.20.10.0-0.0-0.1-0.1-0.3
Percentage of Assets0.10.00.10.00.0-0.0-0.0-0.0-0.1
Percentage of Assets us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-31
Value2.1442.2822.4190.9291.0731.2241.364.0274.1644.34.4372.1122.2482.3832.0770.985-0.365-2.151-8.36123104-3.68342186
Percentage of StockholdersEquity0.10.10.10.00.00.10.10.20.20.20.20.10.10.10.10.0-0.0-0.1-0.41.15.0-0.22.310.4
Percentage of Assets0.00.10.10.00.00.00.00.10.10.10.10.10.10.10.00.0-0.0-0.0-0.20.52.4-0.11.20.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-31
Value1815180818041800179217851782177517691762176317561749174217421727721710710716724710695665
Percentage of StockholdersEquity79.078.481.485.082.882.382.880.275.576.084.483.981.272.469.067.335.933.232.233.634.437.938.437.2
Percentage of Assets39.439.739.940.739.639.539.740.038.839.342.042.039.838.436.933.713.713.114.315.516.717.718.90.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-31
Value474747474747474747474747474747474242422120202020
Percentage of StockholdersEquity2.12.12.22.32.22.22.22.22.02.12.32.32.22.01.91.92.12.01.91.01.01.11.11.2
Percentage of Assets1.01.11.11.11.11.11.11.11.01.11.11.11.11.01.00.90.80.80.80.50.50.50.60.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-31
Value22572270218420932147215721432037198318401607136212661251116210981552169816271373125811481057921
Percentage of StockholdersEquity98.198.598.698.899.299.599.692.084.679.377.065.158.852.046.142.877.279.373.864.459.861.358.351.5
Percentage of Assets49.049.948.347.447.447.747.845.943.541.138.332.628.827.624.621.429.531.232.729.729.028.728.70.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TreasuryStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-31
Value-1823.201-1823.201-1823.201-1823.201-1823.201-1823.201-1823.201-1650.784-1459.976-1334.716-1334.688-1074.708-912.048-637.711-430.576-306.835-306.835-306.835-167.983-3.349-3.349-3.349-3.349-3.349
Percentage of StockholdersEquity-79.3-79.1-82.3-86.1-84.2-84.1-84.7-74.6-62.3-57.5-63.9-51.3-42.3-26.5-17.1-11.9-15.3-14.3-7.6-0.2-0.2-0.2-0.2-0.2
Percentage of Assets-39.5-40.1-40.3-41.3-40.3-40.3-40.6-37.2-32.0-29.8-31.8-25.7-20.7-14.1-9.1-6.0-5.8-5.6-3.4-0.1-0.1-0.1-0.10.0
Percentage of Assets us-gaap:TreasuryStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Assets Current

us-gaap:AssetsCurrent

us-gaap:AssetsCurrent


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value3964114153224635415684216316805446199871236764718735748715655659720144215254349413587306373378289403238270224295339345310235161203281
Percentage of AssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets8.69.19.27.310.212.012.79.513.815.213.014.822.527.216.214.014.114.314.011.911.812.62.83.94.66.37.610.15.97.37.65.88.05.15.95.06.77.78.06.95.54.05.17.6

Cash And Cash Equivalents At Carrying Value

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashAndCashEquivalentsAtCarryingValue


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value1581731400.17117202200822413142.2873167409644805105165374985015175790.5148.773151320309452523274720303748322962392455374728402818
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.43.83.10.02.64.54.51.95.37.00.17.616.921.310.29.99.910.29.79.19.310.20.00.20.30.30.45.30.90.50.50.60.90.40.70.81.10.70.71.40.90.61.40.00.00.01.10.00.0

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-31
Value16818515111128214213822413142.287480498
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.74.13.40.32.84.74.81.95.37.00.110.29.7

Accounts Receivable Net Current

us-gaap:AccountsReceivableNetCurrent

us-gaap:AccountsReceivableNetCurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value182197214136117135209
Percentage of AccountsReceivableNetCurrent100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.04.34.73.12.63.04.7

Inventory Net

us-gaap:InventoryNet

us-gaap:InventoryNet


Inventory
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-312013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value17151514171813181918111220128.006121112131314151718201414171114171112212824202927
Percentage of InventoryNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.40.30.30.30.40.40.30.40.40.40.30.30.50.30.20.30.20.20.30.20.30.30.30.30.40.30.30.40.20.30.40.30.30.50.60.60.50.70.8

Other Assets Current

us-gaap:OtherAssetsCurrent

us-gaap:OtherAssetsCurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value4.6330.8321.652.3223.3470.771.6843.2014.1260.7441.8632.6923.8921.7712.7946.123124.3492.6924.1064.5281.3712.6713.9594.8072.0461.855193.5251.4152.5873.7034.8891.1742.1582.9376.7283.3664.5796.5546.9294.7335.9789.397
Percentage of OtherAssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.10.00.00.10.10.00.00.10.10.00.00.10.10.00.10.10.20.10.10.10.10.00.10.10.10.00.00.30.10.00.10.10.10.00.00.10.20.10.10.10.20.10.10.3

Property Plant And Equipment Gross

us-gaap:PropertyPlantAndEquipmentGross

us-gaap:PropertyPlantAndEquipmentGross


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value749973327211715070206853674666056415620060065777552153605207734471788159797082278141816595739477933991308828810676477378707273007033676165186419615459895805619959605608
Percentage of PropertyPlantAndEquipmentGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets162.7161.1159.4161.8155.0151.5150.4148.7140.6138.4143.0138.3125.6118.1110.2143.2137.5155.6155.6148.7146.2143.2181.9172.8169.7165.6162.4139.6146.8143.4142.0145.1140.2144.2141.2143.2139.6136.0134.0138.6140.2140.0

Accumulated Depreciation Depletion And Amortization Property Plant And Equipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value334832573166311530172932289028172715262525422411229522142135310929753831372035043378332745964335420740713902297628222667252526092475234822072200209319781870209519921845
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets72.671.670.070.566.664.864.463.459.558.660.657.752.248.845.260.657.073.172.663.460.758.387.379.176.473.971.851.354.251.850.751.949.350.147.849.147.544.943.246.946.946.1

Property Plant And Equipment Net

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:PropertyPlantAndEquipmentNet


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value41504075404440344002392038553787369935743463336632253146307242344202432842504722476248374976514151325058492551304825471045464690455844124310421840614011393441033967384737623358
Percentage of PropertyPlantAndEquipmentNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets90.089.689.491.388.486.785.985.381.179.882.580.673.469.365.082.680.582.583.085.485.584.894.693.793.291.890.688.392.691.591.393.290.894.193.494.192.191.190.891.793.495.094.091.2

Operating Lease Right Of Use Asset

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OperatingLeaseRightOfUseAsset


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value323233343435353739420.0
Percentage of OperatingLeaseRightOfUseAsset100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets0.70.70.70.80.80.80.80.80.90.90.0

Other Assets Noncurrent

us-gaap:OtherAssetsNoncurrent

us-gaap:OtherAssetsNoncurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value6363636261596364666227272522252728312725242736343629303127615542383635343329295946393943
Percentage of OtherAssetsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.41.41.41.41.41.31.41.41.51.40.70.70.60.50.50.50.60.60.50.50.40.50.70.60.70.50.60.50.51.21.10.80.80.80.80.80.80.70.71.31.11.01.01.2

Accounts Payable Current

us-gaap:AccountsPayableCurrent

us-gaap:AccountsPayableCurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value166169162151161183189172184204241263235174238160183183168160142147160191218321400379255297288335356299312276237213217207223199229215
Percentage of AccountsPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.63.73.63.43.64.14.23.94.14.65.86.35.43.85.03.13.53.53.32.92.62.63.03.54.05.87.46.54.95.85.86.77.16.46.86.25.44.85.04.65.34.95.75.9

Accrued Liabilities Current

us-gaap:AccruedLiabilitiesCurrent

us-gaap:AccruedLiabilitiesCurrent


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value2021222824213127292725151311272720142118191724395734634459477359584249475446704953364758
Percentage of AccruedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.40.50.50.60.50.50.70.60.60.60.60.40.30.30.60.50.40.30.40.30.30.30.50.71.00.61.20.81.10.91.51.21.20.91.11.11.21.11.61.11.20.91.21.6

Liabilities Current

us-gaap:LiabilitiesCurrent

us-gaap:LiabilitiesCurrent


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value378315390385381387328294234240287366590510630438234224257196228199235265278402499432362432407399494447444412340322343288286241303308
Percentage of LiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets8.26.98.68.78.48.67.36.65.15.46.88.813.411.213.38.54.54.35.03.64.13.54.54.85.17.39.27.57.08.48.27.99.99.59.69.27.77.37.96.56.76.07.68.4

Long Term Debt Current

us-gaap:LongTermDebtCurrent

us-gaap:LongTermDebtCurrent


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-312013-06-302013-03-312012-12-312012-09-30
Value10010018818817517587870.0673043043042370.00.0202020200.075757575
Percentage of LongTermDebtCurrent100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.00.0100.0100.0100.0100.0
Percentage of Assets2.22.24.24.33.93.91.92.00.01.66.96.76.44.60.00.00.40.40.40.40.01.51.61.61.7

us-gaap:LongTermDebtCurrent us-gaap:DebtInstrument

cog:ThreePointSixFivePercentageWeightedAverageFixedRateNotes


Long
Period End2020-12-31
Value100
Percentage of LongTermDebtCurrent53.2
Percentage of Assets2.2
Percentage of Assets cog:ThreePointSixFivePercentageWeightedAverageFixedRateNotes0.0

us-gaap:LongTermDebtCurrent us-gaap:FairValueByMeasurementBasis

us-gaap:CarryingReportedAmountFairValueDisclosure


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-312013-06-302012-12-31
Value10010018818817517587870.0673043043042370.00.0202020200.07575
Percentage of LongTermDebtCurrent100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.00.0100.0100.0
Percentage of Assets2.22.24.24.33.93.91.92.00.01.66.96.76.44.60.00.00.40.40.40.40.01.51.6
Percentage of Assets us-gaap:CarryingReportedAmountFairValueDisclosure0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:EstimateOfFairValueFairValueDisclosure


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-312013-06-302012-12-31
Value10010018918917617488890.0673053083122430.00.0202020200.07577
Percentage of LongTermDebtCurrent100.4100.9100.7100.8100.699.4102.0102.50.0101.0100.6101.6102.6102.80.00.0100.3101.1101.9103.90.0100.4102.9
Percentage of Assets2.22.24.24.33.93.82.02.00.01.67.06.86.64.70.00.00.40.40.40.40.01.51.7
Percentage of Assets us-gaap:EstimateOfFairValueFairValueDisclosure0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Operating Lease Liability Current

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OperatingLeaseLiabilityCurrent


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value3951000.03910000.03991000.04027000.03665000.03443000.03124000.04280000.05782000.07517000.00
Percentage of OperatingLeaseLiabilityCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets0.10.10.10.10.10.10.10.10.10.20.0

Other Accrued Liabilities Current

us-gaap:OtherAccruedLiabilitiesCurrent

us-gaap:OtherAccruedLiabilitiesCurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value1282000.01121000.01087000.01304000.01520000.01481000.01589000.0929000.0865000.0707000.0994000.0-225000.0142000.0505000.01294000.0158000.0819000.01528000.01510000.02249000.0995000.02900000.05980000.02333000.02788000.02550000.03049000.02651000.02973000.03124000.02897000.02924000.02986000.02294000.01218000.01600000.01506000.01546000.01169000.0736000.01175000.01355000.0
Percentage of OtherAccruedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.0-0.00.00.00.00.00.00.00.00.00.00.10.10.00.10.00.10.00.10.10.10.10.10.00.00.00.00.00.00.00.00.0

Taxes Payable Current

us-gaap:TaxesPayableCurrent

us-gaap:TaxesPayableCurrent


Taxes
Period End2021-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312011-03-312010-12-31
Value190.00.00.01.8071.1340.05.07825
Percentage of TaxesPayableCurrent100.00.00.00.0100.0100.00.0100.0100.0
Percentage of Assets0.40.00.00.00.00.00.00.10.6

Long Term Debt

us-gaap:LongTermDebt

us-gaap:LongTermDebt


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-06-302015-03-312014-12-312014-09-302013-12-31
Value1046104611331161122012201220121912191219122612851522152215211291152115201520152015391603201619951877175216121147
Percentage of LongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets22.723.025.126.327.027.027.227.526.727.229.230.834.633.532.225.229.129.029.727.527.628.138.336.234.132.227.823.0

us-gaap:LongTermDebt us-gaap:FairValueByMeasurementBasis

us-gaap:CarryingReportedAmountFairValueDisclosure


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-31
Value1046104611331161122012201220121912191219122612851522152215211521152115201520152015391603202520371995187717521612119312221147116211421087
Percentage of LongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0117.9100.0100.0100.0100.0100.0100.0100.40.0100.0100.0100.0100.00.00.0100.00.00.00.0
Percentage of Assets22.723.025.126.327.027.027.227.526.727.229.230.834.633.532.229.729.129.029.727.527.628.138.537.136.234.132.227.822.923.723.023.122.823.5
Percentage of Assets us-gaap:CarryingReportedAmountFairValueDisclosure0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:EstimateOfFairValueFairValueDisclosure


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-31
Value1118112112131213123010911260125812451216120212451486149915271536151115001463150715191506184820072028197618501697129713251224125812351213
Percentage of LongTermDebt106.9107.2107.0104.4100.889.5103.3103.2102.299.898.196.997.698.5100.4119.099.398.796.399.198.793.991.70.0101.7105.3105.6105.30.00.0106.70.00.00.0
Percentage of Assets24.324.626.827.527.224.128.128.327.327.128.729.833.833.032.330.029.028.628.627.227.326.435.136.636.935.934.029.224.925.824.625.024.626.3
Percentage of Assets us-gaap:EstimateOfFairValueFairValueDisclosure0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Long Term Debt Noncurrent

us-gaap:LongTermDebtNoncurrent

us-gaap:LongTermDebtNoncurrent


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value9469469459731045104511331132121912191226121812181218121712841521152015201520151915832005201718771752161211931222114711621067105210129879721012950120510951055975805
Percentage of LongTermDebtNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets20.520.820.922.023.123.125.225.526.727.229.229.227.726.825.825.029.129.029.727.527.327.838.136.834.132.227.822.923.723.023.121.322.421.922.022.023.021.926.925.826.124.321.9

us-gaap:LongTermDebtNoncurrent us-gaap:FairValueByMeasurementBasis

us-gaap:CarryingReportedAmountFairValueDisclosure


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-312013-12-312013-09-302013-06-302012-12-31
Value946946945973104510451133113212261218121812181217128415201520151915832005201717521147116210671012
Percentage of LongTermDebtNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets20.520.820.922.023.123.125.225.529.229.227.726.825.825.029.727.527.327.838.136.832.223.023.121.321.9
Percentage of Assets us-gaap:CarryingReportedAmountFairValueDisclosure0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:EstimateOfFairValueFairValueDisclosure


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-312013-12-312013-09-302013-06-302012-12-31
Value101710201024102310549171171116912021178118011911215129214631507149914851828198618501224125811591136
Percentage of LongTermDebtNoncurrent107.6107.8108.3105.2100.987.8103.4103.298.196.796.997.899.8100.696.399.198.693.991.298.5105.6106.7108.3108.7112.3
Percentage of Assets22.122.422.623.223.320.326.126.328.728.226.826.225.725.228.627.226.926.134.736.234.024.625.023.124.6
Percentage of Assets us-gaap:EstimateOfFairValueFairValueDisclosure0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Deferred Income Tax Liabilities Net

us-gaap:DeferredIncomeTaxLiabilitiesNet

us-gaap:DeferredIncomeTaxLiabilitiesNet


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value788786774748754746702458
Percentage of DeferredIncomeTaxLiabilitiesNet100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets17.117.317.116.916.716.515.610.9

Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent


Pension
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value3131303333333229282827303029292737373637363635383736353535343341403938404039383934343454
Percentage of PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.70.70.70.80.70.70.70.70.60.60.70.70.70.70.60.50.70.70.70.70.70.60.70.70.70.70.70.60.70.70.70.80.80.80.80.90.90.90.90.90.80.90.91.5

Other Liabilities Noncurrent

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:OtherLiabilitiesNoncurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value7578817568656867707260616034393634302929292826283538393737374642464240413428313535353227
Percentage of OtherLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.61.71.81.71.51.41.51.51.61.61.41.51.40.80.80.70.70.60.60.50.50.50.50.50.60.70.70.70.70.70.90.90.90.90.90.90.80.70.70.80.80.90.80.8

Operating Lease Liability Noncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value272829303132323333340.0
Percentage of OperatingLeaseLiabilityNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets0.60.60.70.70.70.70.70.80.70.80.0

Lessee Operating Lease Liability Payments Due Year Two

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo


Lessee
Period End2020-12-31
Value4894000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearTwo100.0
Percentage of Assets0.1

Lessee Operating Lease Liability Payments Due Year Three

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree


Lessee
Period End2020-12-31
Value4613000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearThree100.0
Percentage of Assets0.1

Lessee Operating Lease Liability Payments Due Year Four

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour


Lessee
Period End2020-12-31
Value4653000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFour100.0
Percentage of Assets0.1

Lessee Operating Lease Liability Payments Due Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive


Lessee
Period End2020-12-31
Value4675000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFive100.0
Percentage of Assets0.1

Lessee Operating Lease Liability Payments Due After Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive


Lessee
Period End2020-12-31
Value20
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive100.0
Percentage of Assets0.5

Operating Lease Liability

us-gaap:OperatingLeaseLiability

us-gaap:OperatingLeaseLiability


Operating
Period End2020-12-312019-12-312019-09-302019-06-302019-03-31
Value3335373942
Percentage of OperatingLeaseLiability100.0100.0100.0100.0100.0
Percentage of Assets0.70.80.80.90.9

Lessee Operating Lease Liability Payments Due

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue


Lessee
Period End2020-12-31
Value44
Percentage of LesseeOperatingLeaseLiabilityPaymentsDue100.0
Percentage of Assets1.0

Lessee Operating Lease Liability Undiscounted Excess Amount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount


Lessee
Period End2020-12-31
Value11
Percentage of LesseeOperatingLeaseLiabilityUndiscountedExcessAmount100.0
Percentage of Assets0.2

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-312007-12-31
Value2299230522152118216521682151221323442320208820942154240625232644264227072567286328772944200921212145217521422366240122682204232822862123213121002131212421042043196618861872181217901070
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets49.950.749.047.947.848.047.949.851.451.849.750.149.053.053.451.650.651.650.151.851.751.638.238.739.039.539.440.846.144.144.346.345.645.346.246.948.348.348.645.746.346.646.849.20.00.0

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Stockholders
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value2.4191.364.4372.0770.985-0.365-2.151-1.81-6.837
Percentage of StockholdersEquity0.10.10.20.10.0-0.0-0.1-0.1-0.3
Percentage of Assets0.10.00.10.00.0-0.0-0.0-0.0-0.1
Percentage of Assets us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-31
Value2.1442.2822.4190.9291.0731.2241.364.0274.1644.34.4372.1122.2482.3832.0770.985-0.365-2.151-8.36123104-3.68342186
Percentage of StockholdersEquity0.10.10.10.00.00.10.10.20.20.20.20.10.10.10.10.0-0.0-0.1-0.41.15.0-0.22.310.4
Percentage of Assets0.00.10.10.00.00.00.00.10.10.10.10.10.10.10.00.0-0.0-0.0-0.20.52.4-0.11.20.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-31
Value1815180818041800179217851782177517691762176317561749174217421727721710710716724710695665
Percentage of StockholdersEquity79.078.481.485.082.882.382.880.275.576.084.483.981.272.469.067.335.933.232.233.634.437.938.437.2
Percentage of Assets39.439.739.940.739.639.539.740.038.839.342.042.039.838.436.933.713.713.114.315.516.717.718.90.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-31
Value474747474747474747474747474747474242422120202020
Percentage of StockholdersEquity2.12.12.22.32.22.22.22.22.02.12.32.32.22.01.91.92.12.01.91.01.01.11.11.2
Percentage of Assets1.01.11.11.11.11.11.11.11.01.11.11.11.11.01.00.90.80.80.80.50.50.50.60.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-31
Value22572270218420932147215721432037198318401607136212661251116210981552169816271373125811481057921
Percentage of StockholdersEquity98.198.598.698.899.299.599.692.084.679.377.065.158.852.046.142.877.279.373.864.459.861.358.351.5
Percentage of Assets49.049.948.347.447.447.747.845.943.541.138.332.628.827.624.621.429.531.232.729.729.028.728.70.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TreasuryStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-31
Value-1823.201-1823.201-1823.201-1823.201-1823.201-1823.201-1823.201-1650.784-1459.976-1334.716-1334.688-1074.708-912.048-637.711-430.576-306.835-306.835-306.835-167.983-3.349-3.349-3.349-3.349-3.349
Percentage of StockholdersEquity-79.3-79.1-82.3-86.1-84.2-84.1-84.7-74.6-62.3-57.5-63.9-51.3-42.3-26.5-17.1-11.9-15.3-14.3-7.6-0.2-0.2-0.2-0.2-0.2
Percentage of Assets-39.5-40.1-40.3-41.3-40.3-40.3-40.6-37.2-32.0-29.8-31.8-25.7-20.7-14.1-9.1-6.0-5.8-5.6-3.4-0.1-0.1-0.1-0.10.0
Percentage of Assets us-gaap:TreasuryStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value4747474747474747474747474747474747474747474742424242424242424242212121212020201010101010
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.01.11.11.11.11.11.11.11.01.11.11.11.11.01.00.90.90.90.90.90.90.80.80.80.80.80.80.70.80.80.80.80.40.40.50.50.50.50.50.20.20.30.30.3

Additional Paid In Capital Common Stock

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:AdditionalPaidInCapitalCommonStock


Additional
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1815180818041800179217851782177517691762176317561749174217421738173317281727172217161711721716717711710713723713710698725715716718720716724730727722720705
Percentage of AdditionalPaidInCapitalCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets39.439.739.940.739.639.539.740.038.839.342.042.039.838.436.933.933.233.033.731.130.830.013.713.113.012.913.112.313.913.914.313.914.515.315.516.016.316.316.716.317.117.818.019.2

Retained Earnings Accumulated Deficit

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:RetainedEarningsAccumulatedDeficit


Retained
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value22572270218420932147215721432037198318401607136212661251116212301235123710981400142014921552167116951730169819291836172616271558149614111373133613041272125812351209115811481057
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets49.049.948.347.447.447.747.845.943.541.138.332.628.827.624.624.023.723.621.425.325.526.229.530.530.831.431.233.235.333.632.731.029.830.129.729.829.628.929.027.628.528.628.728.7

Accumulated Other Comprehensive Income Loss Net Of Tax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-31
Value2.1442.2822.4190.9291.0731.2241.364.0274.1644.34.4372.1122.2482.3832.0773.4820.7261.0020.985-0.313-0.331-0.365-0.365-2.151-2.151-2.151-2.151-19.199-32.164-45.971-8.3613346-22.2952327881171047022-1.754-3.68342186
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.10.10.00.00.00.00.10.10.10.10.10.10.10.00.10.00.00.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.3-0.6-0.9-0.20.70.9-0.50.50.62.02.72.41.60.5-0.0-0.11.20.0

Treasury Stock Value

us-gaap:TreasuryStockValue

us-gaap:TreasuryStockValue


Treasury
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1823182318231823182318231823165014591334133410749126374303753753063063063063063063063063063062981671671673.3493.3493.3493.3493.3493.3493.3493.3493.3493.3493.3493.3493.349
Percentage of TreasuryStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets39.540.140.341.340.340.340.637.232.029.831.825.720.714.19.17.37.25.96.05.55.55.45.85.65.65.65.65.13.23.33.40.10.10.10.10.10.10.10.10.10.10.10.10.1

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312011-06-302011-03-312010-06-302010-03-31
Value178290307129136204262270326585316242273272179189260269139105856215514617126729312991127116
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax43.561.467.438.747.355.357.064.869.492.447.244.159.958.341.749.058.355.639.334.034.522.055.547.955.957.547.453.843.663.553.7

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312011-06-302011-03-312010-06-302010-03-31
Value-151.302-123.525-96.932-147.179-182.254-158.11381-202.089-228.395-195.132-248.539-241.536-258.178454-128.669-172.0-189.732-215.752-133.077-92.399-73.681-54.061-143.765-181.065-271.265-397.239-687.496-151.752-198.126-202.801-234.6
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-36.7-26.1-21.2-44.2-63.2-42.717.7-48.3-48.5-30.8-37.1-44.0-56.597.3-29.9-44.5-42.5-44.5-37.4-29.8-29.9-19.2-51.2-59.3-88.6-85.5-111.2-63.0-94.8-101.3-108.4

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312011-06-302011-03-312010-06-302010-03-31
Value-43.963-133.456-70.967-98.875-39.877-46.13-213.214-227.863-171.75-77.553-381.302-425.573-239.656-242.749-80.653-23.379-91.787-14.683-9.302-29.303-73.299570-20.27728101122105367594106
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-10.7-28.2-15.5-29.7-13.8-12.5-46.2-54.5-36.5-12.2-56.9-77.6-52.4-51.9-18.8-6.1-20.6-3.0-2.6-9.4-29.7202.4-7.29.333.126.417.015.236.347.449.4

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-16.32333139-116.994-85.6950.654131-159.078-73.495312
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-4.07.130.6-35.1-29.70.228.5-38.1-15.649.4

Amortization Of Financing Costs

us-gaap:AmortizationOfFinancingCosts

us-gaap:AmortizationOfFinancingCosts


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value709000.0715000.0727000.0733000.0751000.0750000.0747000.0755000.01375000.01089000.01110000.01131000.01195000.01195000.01195000.01195000.01195000.01189000.01195000.01196000.01501000.01191000.01059000.01058000.01070000.01267000.01376000.01126000.01126000.01126000.0926000.0925000.0945000.0897000.0965000.0966000.02270000.01064000.01064000.01064000.01133000.01120000.0-4917000.06162000.01068000.01068000.0
Percentage of AmortizationOfFinancingCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Income Tax Expense Benefit

us-gaap:DeferredIncomeTaxExpenseBenefit

us-gaap:DeferredIncomeTaxExpenseBenefit


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value2.3241225-5.5768.045445536648897642.68964-410.844162053-171.2944.881-35.321-28.973-81.1941.066-7.92115-294.006626057313746233815179.7241720306.543311.3741315
Percentage of DeferredIncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Depreciation Depletion And Amortization

us-gaap:DepreciationDepletionAndAmortization

us-gaap:DepreciationDepletionAndAmortization


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value9194969994100106110969212912184821431461441351411391471611491441521751731541571471821681511481151101141109290837791857673
Percentage of DepreciationDepletionAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Increase Decrease In Inventories

us-gaap:IncreaseDecreaseInInventories

us-gaap:IncreaseDecreaseInInventories


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1.5250.60.548-3.0190.1354.317-4.263-1.1861.1047.201-1.399-7.0518.0684.309-3.4342.0961.213-1.209-0.184-1.498-0.261-1.101-1.233-2.1416.3360.0610.2961.8171.522-7.076-3.6322.5626.999-2.896-3.5225.711-0.245-9.048-6.3374.2523.238-8.861-2.6768.8095.863-10.319
Percentage of IncreaseDecreaseInInventories100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Increase Decrease In Other Operating Capital Net

us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet

us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1.5361.817-8.126-0.654-0.8290.111-0.312-0.4780.477223.511-1.253-25.6740.337-0.9356.1770.318-0.419-1.681-0.138-0.416-0.230.12-1.0984.593-1.93-1.3820.146-0.714-0.0398.2420.319-0.189-0.358-0.5141.795-3.167-0.38176.881-4.027-2.651-15.0425.186.542-2.884
Percentage of IncreaseDecreaseInOtherOperatingCapitalNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312011-06-302011-03-312010-06-302010-03-31
Value178290307129136204262270326585316242273272179189260269139105856215514617126729312991127116
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax43.561.467.438.747.355.357.064.869.492.447.244.159.958.341.749.058.355.639.334.034.522.055.547.955.957.547.453.843.663.553.7

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302011-06-302011-03-312010-06-302010-03-31
Value30126-14.961305390181262122421171721105-10.26-62.91-51.194-15.514-27.5084010054122128
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 RevenueFromContractWithCustomerExcludingAssessedTax7.426.7-4.510.514.621.638.541.522.39.325.14.64.821.8-3.3-25.5-18.2-5.1-9.08.719.722.76.210.813.3

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value30126-14.96130539018126212242117
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.426.7-4.510.514.621.638.541.522.39.325.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312011-06-302011-03-312010-06-302010-03-31
Value-151.302-123.525-96.932-147.179-182.254-158.11381-202.089-228.395-195.132-248.539-241.536-258.178454-128.669-172.0-189.732-215.752-133.077-92.399-73.681-54.061-143.765-181.065-271.265-397.239-687.496-151.752-198.126-202.801-234.6
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-36.7-26.1-21.2-44.2-63.2-42.717.7-48.3-48.5-30.8-37.1-44.0-56.597.3-29.9-44.5-42.5-44.5-37.4-29.8-29.9-19.2-51.2-59.3-88.6-85.5-111.2-63.0-94.8-101.3-108.4

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312011-06-302011-03-312010-06-302010-03-31
Value-43.963-133.456-70.967-98.875-39.877-46.13-213.214-227.863-171.75-77.553-381.302-425.573-239.656-242.749-80.653-23.379-91.787-14.683-9.302-29.303-73.299570-20.27728101122105367594106
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-10.7-28.2-15.5-29.7-13.8-12.5-46.2-54.5-36.5-12.2-56.9-77.6-52.4-51.9-18.8-6.1-20.6-3.0-2.6-9.4-29.7202.4-7.29.333.126.417.015.236.347.449.4

Proceeds From Issuance Of Long Term Debt

us-gaap:ProceedsFromIssuanceOfLongTermDebt

us-gaap:ProceedsFromIssuanceOfLongTermDebt


Proceeds
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value731230.00.00.00.00.0951580.00.00.00.00.00.00.00.00.00.09087148260382230119124536637026019013512011080900.011011011022590100110
Percentage of ProceedsFromIssuanceOfLongTermDebt100.0100.00.00.00.00.00.0100.0100.00.00.00.00.00.00.00.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0

Repayments Of Long Term Debt

us-gaap:RepaymentsOfLongTermDebt

us-gaap:RepaymentsOfLongTermDebt


Repayments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value0.0881011820.00.00.00.00.01022182370.00.00.00.00.00.00.020645039910614225790772274291385240175959520120282550.07030345
Percentage of RepaymentsOfLongTermDebt0.0100.0100.0100.00.00.00.00.00.0100.0100.0100.00.00.00.00.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0

Payments Of Dividends Common Stock

us-gaap:PaymentsOfDividendsCommonStock

us-gaap:PaymentsOfDividendsCommonStock


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value43393939393940373829302627272323239.3069.3029.3039.38.2828.2788.2758.2748.2638.268.3398.3478.3328.4028.4234.2064.2014.1964.1934.1914.1773.1293.1293.1283.1223.1193.123.1163.112
Percentage of PaymentsOfDividendsCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Liabilities

us-gaap:DeferredTaxLiabilities

us-gaap:DeferredTaxLiabilities


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value7747024582275798071299132112251146938
Percentage of DeferredTaxLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Assets Net

us-gaap:DeferredTaxAssetsNet

us-gaap:DeferredTaxAssetsNet


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value5166225464630497420335337288223
Percentage of DeferredTaxAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Unrecognized Tax Benefits

us-gaap:UnrecognizedTaxBenefits

us-gaap:UnrecognizedTaxBenefits


Unrecognized
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312009-12-312008-12-31
Value6.4840.52160.6630.6630.6630.6633.70.00.00.50.5
Percentage of UnrecognizedTaxBenefits100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0

us-gaap:UnrecognizedTaxBenefits us-gaap:TaxCreditCarryforward

us-gaap:Research


Unrecognized
Period End2020-12-31
Value6.0
Percentage of UnrecognizedTaxBenefits92.5

Deferred Tax Assets Valuation Allowance

us-gaap:DeferredTaxAssetsValuationAllowance

us-gaap:DeferredTaxAssetsValuationAllowance


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value283114165.1864.9654.779
Percentage of DeferredTaxAssetsValuationAllowance100.0100.0100.0100.0100.0100.0100.0

cog:BusinessCombinationContractTerminationExpenseReimbursement

cog:BusinessCombinationContractTerminationExpenseReimbursement


Business
Period End2021-05-23
Value40
Percentage of BusinessCombinationContractTerminationExpenseReimbursement100.0

cog:BusinessCombinationContractTerminationFee

cog:BusinessCombinationContractTerminationFee


Business
Period End2021-05-23
Value250
Percentage of BusinessCombinationContractTerminationFee100.0

cog:ProceedsfromPaymentsforDerivativeInstrumentOperatingActivities

cog:ProceedsfromPaymentsforDerivativeInstrumentOperatingActivities


Proceedsfrom
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value-0.3473.3971.68914190.023461552-21.277-0.0425.819-26.1314.4693.9061.205-1.524-4.886-8.101110.060455137
Percentage of ProceedsfromPaymentsforDerivativeInstrumentOperatingActivities100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0

cog:RealizedGainLossOnDerivatives

cog:RealizedGainLossOnDerivatives


Realized
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-09-302016-06-30
Value-0.3473.3971.68914190.023461552-21.277-0.0415.819-26.1314.4693.9061.204-1.524-8.10111
Percentage of RealizedGainLossOnDerivatives100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cog:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAchievementAwardGrantDateFairValueCertified us-gaap:AwardType, us-gaap:SubsequentEventType

cog:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAchievementAwardGrantDateFairValueCertified

cog:EmployeePerformanceShares, us-gaap:SubsequentEvent


Share
Period End2021-02-282020-02-292016-02-222015-02-28
Value117.89.18.9
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAchievementAwardGrantDateFairValueCertified100.0100.0100.0100.0

cog:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsMinimumOperatingCashFlowRequirement us-gaap:AwardType

cog:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsMinimumOperatingCashFlowRequirement

cog:HybridPerformanceShares


Share
Period End2021-06-302021-03-312020-09-302020-06-302020-03-31
Value0.01000.00.0100
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsMinimumOperatingCashFlowRequirement0.0100.00.00.0100.0

cog:StockAmortizationAndVesting

cog:StockAmortizationAndVesting


Stock
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value7.5623.9337.4717.2192.9516.3846.344-0.2136.96.7690.302
Percentage of StockAmortizationAndVesting100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cog:StockAmortizationAndVesting us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value7.5383.8787.4717.2182.8866.3846.334-0.2816.96.7690.249
Percentage of StockAmortizationAndVesting99.798.6100.0100.097.8100.099.8131.9100.0100.082.5

us-gaap:CommonStock


Stock
Period End2021-06-302021-03-312020-06-302020-03-312019-09-302019-06-302019-03-312018-06-302018-03-31
Value0.0240.0550.0010.0650.0030.010.0680.00.053
Percentage of StockAmortizationAndVesting0.31.40.02.20.00.2-31.90.017.5

cog:StockAmortizationAndVestingShares us-gaap:StatementEquityComponents

cog:StockAmortizationAndVestingShares

us-gaap:CommonStock


Stock
Period End2021-06-302021-03-312020-06-302020-03-312019-06-302019-03-312018-09-302018-06-302018-03-31
Value244000.0548000.02000.0651000.0102000.0682000.01000.02000.0534000.0
Percentage of StockAmortizationAndVestingShares100.0100.0100.0100.0100.0100.0100.0100.0100.0

cog:StockBasedCompensationExpenseAndOther

cog:StockBasedCompensationExpenseAndOther


Stock
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312011-06-302011-03-312010-06-302010-03-31
Value3.62611107.698151.6626.584146.1085.185.1847.8139.9158.2835.0887.35710-4.5617.1124.494.6155.663.0299.3299.717108.9362.0094.21
Percentage of StockBasedCompensationExpenseAndOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetRetirementObligationAccretionExpense

us-gaap:AssetRetirementObligationAccretionExpense


Asset
Period End2021-06-302021-03-312020-12-31
Value1149000.01125000.01101000.0
Percentage of AssetRetirementObligationAccretionExpense100.0100.0100.0

us-gaap:AssetRetirementObligationLiabilitiesIncurred

us-gaap:AssetRetirementObligationLiabilitiesIncurred


Asset
Period End2021-06-302021-03-312020-12-31
Value0.7480.7961.032
Percentage of AssetRetirementObligationLiabilitiesIncurred100.0100.0100.0

us-gaap:AssetRetirementObligationLiabilitiesSettled

us-gaap:AssetRetirementObligationLiabilitiesSettled


Asset
Period End2020-12-31
Value314000.0
Percentage of AssetRetirementObligationLiabilitiesSettled100.0

us-gaap:DerivativeGainLossOnDerivativeNet

us-gaap:DerivativeGainLossOnDerivativeNet


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value-87.121-13.23843-42.2534316-2.15811638.25746-3.537-3.6685.577-0.8361333-37.6646.904-27.1841217-6.8193412050-25.285-70.77520191.822
Percentage of DerivativeGainLossOnDerivativeNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DirectOperatingCosts

us-gaap:DirectOperatingCosts


Direct
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value161618201717211918181617152024262724232426263334363636373535393236313328292730272227252624
Percentage of DirectOperatingCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsCommonStockCash

us-gaap:DividendsCommonStockCash


Dividends
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value4339393939373829262727
Percentage of DividendsCommonStockCash100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsCommonStockCash us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Dividends
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value4339393939373829262727
Percentage of DividendsCommonStockCash100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ExplorationExpense

us-gaap:ExplorationExpense


Exploration
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value2.3682.6274.753.94.5792.195.2414.4814.5046.0444510543.6174.9036.4663.9596.198142.9883.7386.3838.54.935.2988.7328.7838.8124.6766.4745.7213.8914.5294.0247.9289.303164.0015.357204.5926.308149.665108.426
Percentage of ExplorationExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ExtinguishmentOfDebtAmount us-gaap:DebtInstrument

us-gaap:ExtinguishmentOfDebtAmount

cog:SixPointFiveOnePercentageWeightedAverageFixedRateNotes


Extinguishment
Period End2020-07-31
Value87
Percentage of ExtinguishmentOfDebtAmount100.0

us-gaap:ExtinguishmentOfDebtAmount us-gaap:DebtInstrument, us-gaap:SubsequentEventType

cog:SixPointFiveOnePercentageWeightedAverageFixedRateNotes, us-gaap:SubsequentEvent


Extinguishment
Period End2021-01-31
Value88
Percentage of ExtinguishmentOfDebtAmount0.0

us-gaap:FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisChangeInUnrealizedGainLoss

us-gaap:FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisChangeInUnrealizedGainLoss


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value-57.444-6.3537-35.38147.215-7.410.1368.319-1.06726-5.409-3.4932.217-42.829-3.484-3.02220-16.3328.77-11.9533.64753-15.704-35.298-2.6634525
Percentage of FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisChangeInUnrealizedGainLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationGainLossIncludedInEarnings

us-gaap:FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationGainLossIncludedInEarnings


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-30
Value-65.525-12.63937-28.855247.215-0.1377.851124.71624-2.6862.3916.628-30.525-2.0998.8421-18.2676.88-10.1463.6478.99711-5.17817-1.26344-15.65-62.28586-20.766-0.27213408-56.9969
Percentage of FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationGainLossIncludedInEarnings100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationPurchasesSalesIssuesSettlements

us-gaap:FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationPurchasesSalesIssuesSettlements


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-30
Value-0.594-3.178-0.301-6.364-10.3140.0-9.043-11.316-4.357-22.0762.076-0.926-3.71521-3.55-3.577-2.556-0.9811.9351.89-1.8070.0-41.29-26.91-30.149-20.473-23.225-19.071155-62.28586-20.7660.27213402-55.915-68.885
Percentage of FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationPurchasesSalesIssuesSettlements100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GainLossOnSaleOfDerivatives

us-gaap:GainLossOnSaleOfDerivatives


Gain
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value-87.121-13.23843-42.2534316-2.15811638.25746-3.537-3.6685.577-29.427-0.8361333-37.6646.904-27.184181217-6.8193414971-2.3290.00.00.0
Percentage of GainLossOnSaleOfDerivatives100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:GainLossOnSaleOfPropertyPlantEquipment

us-gaap:GainLossOnSaleOfPropertyPlantEquipment


Gain
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value0.020.071-0.3520.031-0.2410.0710.0020.0360.0-1.5-1.45250.544-41.0491.933-11.872-1.403-0.223-1.089-1.245-0.8781.3540.0523.756-0.0790.138190.046-1.496-1.285164.4210.276-0.096-16.407-0.12667-0.535263.854
Percentage of GainLossOnSaleOfPropertyPlantEquipment100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncomeLossFromEquityMethodInvestments

us-gaap:IncomeLossFromEquityMethodInvestments


Income
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value0.00.00.0-0.059693.863.653.6842.146-0.011-0.004-0.994-96.5-1.417-1.286-1.283-2.685-1.727-0.0732.0091.8341.6481.5121.4211.2611.0630.7560.00.4880.2780.29
Percentage of IncomeLossFromEquityMethodInvestments0.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0

us-gaap:IncomeLossFromEquityMethodInvestments us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

cog:ConstitutionPipelineCompanyLLC


Income
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value0.00.00.0-0.035-9.6250.0-0.25-0.25-0.250.00.0-0.982-96.497-1.416-1.273-1.282-2.681-1.726-0.0742.0111.8441.6531.5281.4271.2381.0840.854
Percentage of IncomeLossFromEquityMethodInvestments0.00.00.059.3-13.90.0-6.8-6.8-11.6-0.0-0.098.8100.099.999.099.999.999.9101.4100.1100.5100.3101.1100.498.2102.0113.0

cog:MeadePipelineCoLLC


Income
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value0.00.00.0-0.024783.863.93.9342.396-0.011-0.004-0.012-0.003-0.001-0.013-0.001-0.004-0.0010.0-0.002-0.01-0.005-0.016-0.0060.023-0.021-0.098
Percentage of IncomeLossFromEquityMethodInvestments0.00.00.040.7113.9100.0106.8106.8111.6100.0100.01.20.00.11.00.10.10.1-0.0-0.1-0.5-0.3-1.1-0.41.8-2.0-13.0

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-15.2973.425-4.92211-12.742-23.71113-7.546-7.933-27.934-1.7242521-14.1692.581-0.794-4.490.151237.0886.974-31.29218-18.409-35.394-29.6291229-22.995-16.089-3.071-29.49837-27.88535129.474-38.14918-20.76220-9.61512-8.3156.976-12.913
Percentage of IncreaseDecreaseInAccountsPayableAndAccruedLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInIncomeTaxesPayableNetOfIncomeTaxesReceivable

us-gaap:IncreaseDecreaseInIncomeTaxesPayableNetOfIncomeTaxesReceivable


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value-39.7623150-1.4731.209-26.7563.232-11.169-12.3636.786-45.169-26.55436-24.646-29.703-10.499-16.7105.26-11.7510.2830.2339.447-7.974-11.1638.979-10.852-0.078-6.463-16.889321.332-9.324.3492.85-4.572.5882.1878.77-2.265-9.648-24.20229
Percentage of IncreaseDecreaseInIncomeTaxesPayableNetOfIncomeTaxesReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInInterestPayableNet

us-gaap:IncreaseDecreaseInInterestPayableNet


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value10-12.91511-13.59412-12.98112-12.60912-12.88710-18.25915-15.31815-15.00715-15.38815-15.5414-16.6616
Percentage of IncreaseDecreaseInInterestPayableNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets

us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value3801000.0-818000.0-671000.0-1026000.02579000.0-916000.0-1518000.0-925000.03382000.0-1119000.0-830000.0-1200000.02119000.0-1023000.0-792000.0-880000.02946000.0-1170000.0-896000.0-941000.03158000.0-1300000.0-1289000.0-847000.02761000.0192000.0-880000.0162000.01155000.0-1170000.0-1119000.0-1186000.03716000.0-983000.073000.0-2566000.04209000.0-518000.0-1975000.0-376000.02222000.0-1014000.0-605000.0-2009000.01603000.0-2664000.0
Percentage of IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInReceivables

us-gaap:IncreaseDecreaseInReceivables


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-15.143-16.8817718-17.779-73.32749-24.137-37.356-141.6711394611-50.21654-15.563-15.4511.738693.25317-19.3580.306-12.815-50.282-49.61542-20.83-33.0062343-26.23320.2436814-5.953-19.26112-15.70226-3.90218-3.642-14.38913
Percentage of IncreaseDecreaseInReceivables100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements


Incremental
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value2620000.02690000.0-127000.0369000.02703000.01554000.035000.02006000.02208000.02073000.0162000.02338000.02059000.01834000.002282000.01977000.01540000.000000001427000.078000.01920000.01801000.01613000.027000.02467000.01396000.01226000.0-109000.01570000.01646000.01685000.01178900.01175000.02146000.02352000.01311700.01270000.0
Percentage of IncrementalCommonSharesAttributableToShareBasedPaymentArrangements100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.00.00.00.00.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LineOfCreditFacilityInterestRateDuringPeriod us-gaap:DebtInstrument

us-gaap:LineOfCreditFacilityInterestRateDuringPeriod

us-gaap:LineOfCredit


Line
Period End2020-12-312020-09-302014-12-312014-09-302013-12-312013-09-30
Value04.000.02200.022
Percentage of LineOfCreditFacilityInterestRateDuringPeriod0.0100.00.0100.00.0100.0

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value0.05.5693.1090.0180.0196.3130.0030.030.9879.570.0820.0350.0657.9682.0440.2570.2585.4140.0080.010.0245.022
Percentage of PaymentsRelatedToTaxWithholdingForShareBasedCompensation0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireEquityMethodInvestments

us-gaap:PaymentsToAcquireEquityMethodInvestments


Payments
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value0.00.00.00.0350.3613.8463.3031.8284.3979.9612735339.7565.8847.7424.3086.0056.519118.275105.0365.0789.2726.554165.937104.3743.01.252.3752.4
Percentage of PaymentsToAcquireEquityMethodInvestments0.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireEquityMethodInvestments us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

cog:ConstitutionPipelineCompanyLLC


Payments
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value0.00.00.00.0350.2250.00.250.250.250.00.00.250.60.6252.01.1250.651.5250.556.256.1257.53.03.07.6255.57515
Percentage of PaymentsToAcquireEquityMethodInvestments0.00.00.0100.062.30.07.613.75.70.00.00.71.86.434.014.515.125.48.453.674.070.259.659.182.285.193.6

us-gaap:PaymentsToAcquireInterestInJointVenture

us-gaap:PaymentsToAcquireInterestInJointVenture


Payments
Period End2020-09-302020-06-302020-03-312019-03-31
Value009424000.00
Percentage of PaymentsToAcquireInterestInJointVenture0.00.0100.00.0

us-gaap:PaymentsToExploreAndDevelopOilAndGasProperties

us-gaap:PaymentsToExploreAndDevelopOilAndGasProperties


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value15112397147182148167199225195246260231156177193184208130856792135174249395514347278338351319263260258257222188222264201203199203
Percentage of PaymentsToExploreAndDevelopOilAndGasProperties100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromSaleOfEquityMethodInvestments

us-gaap:ProceedsFromSaleOfEquityMethodInvestments


Proceeds
Period End2020-09-302020-06-302020-03-312019-06-302019-03-31
Value0.00.00.0240.00.0
Percentage of ProceedsFromSaleOfEquityMethodInvestments0.00.0100.00.00.0

us-gaap:ProceedsFromSaleOfEquityMethodInvestments us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

cog:MeadePipelineCoLLC


Proceeds
Period End2020-09-302020-06-302020-03-312019-11-302019-06-302019-03-31
Value0.00.00.0242490.00.0
Percentage of ProceedsFromSaleOfEquityMethodInvestments0.00.0100.00.00.00.0

us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipment

us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipment


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value0.020.0920.4930.060.2270.0480.1990.0550.02.3462.825280.32364682311.1010.3741.351-0.760.0490.2734.378-0.0793.081354.668-0.8630.108308
Percentage of ProceedsFromSaleOfPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ResultsOfOperationsDryHoleCosts

us-gaap:ResultsOfOperationsDryHoleCosts


Results
Period End2020-12-312020-09-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value1.6210.02.220.00.0030.013415.3451-0.060.9780.00.02.842100.00.0180.03.2680.0060.0160.1621.4534.30.1142.040.0010.0010.140.6661.8821.193100.0490.126130.0110.4931.1842.047
Percentage of ResultsOfOperationsDryHoleCosts100.00.0100.00.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.00.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ResultsOfOperationsTransportationCosts

us-gaap:ResultsOfOperationsTransportationCosts


Results
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value133136146135143145141137
Percentage of ResultsOfOperationsTransportationCosts100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue

cog:EmployeePerformanceShares


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value018.5800015.600024.9500023.2500022.600020.4900027.7100039.43
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue0.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.0

cog:HybridPerformanceShares


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value018.5800015.600024.9500023.2500022.600020.4900027.7100039.43
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue0.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.0

cog:TSRPerformanceShares


Share
Period End2021-02-172019-02-212019-02-192018-02-212016-02-172014-02-20
Value16.0720.6320.6319.9218.5719.29
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue0.00.00.00.00.00.0

us-gaap:RestrictedStockUnitsRSU


Share
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value-4.5118.590.050.115.65-0.050.0624.950.020.0123.420.310.0622.570.140.1320.280.060.227.76-0.45-0.24-0.3639.330.34-26.560.5253.230
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue0.0100.10.00.0100.30.00.0100.00.00.0100.70.00.099.90.00.099.00.00.0100.20.00.00.099.70.00.00.00.00.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue us-gaap:Range, us-gaap:AwardType

srt:Maximum, cog:TSRPerformanceShares


Share
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-30
Value-3.6610.62.02-1.8817.16-5.81-2.0724.11-1.43
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue0.057.10.00.0110.00.00.096.60.0

srt:Minimum, cog:TSRPerformanceShares


Share
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-30
Value-6.217.660.62-2.9415.6-3.54-0.4911.95-1.04
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue0.041.20.00.0100.00.00.047.90.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate

cog:TSRPerformanceShares


Share
Period End2021-02-172019-02-192014-02-20
Value39.829.50.413
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum

cog:TSRPerformanceShares


Share
Period End2021-06-302021-03-31
Value1.745.8
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum

cog:TSRPerformanceShares


Share
Period End2021-06-302021-03-31
Value-2.038.1
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate

cog:TSRPerformanceShares


Share
Period End2021-02-172019-02-192014-02-20
Value0.21.390.007
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum

cog:TSRPerformanceShares


Share
Period End2021-06-302021-03-31
Value0.050.3
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum

cog:TSRPerformanceShares


Share
Period End2021-06-302021-03-31
Value00.06
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum0.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross us-gaap:StatementScenario, us-gaap:PlanName

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross

srt:ScenarioForecast, cog:StockIncentivePlan2014


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

us-gaap:TaxesExcludingIncomeAndExciseTaxes

us-gaap:TaxesExcludingIncomeAndExciseTaxes


Taxes
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value4.1834.8053.6753.6153.3523.7382.9594.6073.645.8477.2082.8525.3927.196.9259.1948.319.0585.4868.7718.9735.9948.511111111101012138.4621111119.0011010186.5067.0425.8778.1516.7598.4891110
Percentage of TaxesExcludingIncomeAndExciseTaxes100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:UnrealizedGainLossOnDerivatives

us-gaap:UnrealizedGainLossOnDerivatives


Unrealized
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-86.774-16.63541-56.3592416-25.677-35.49548-44.72325-3.496-9.48731-25.84-4.7421234-34.4615-38.48918121730-3.5629231120.00.0-0.045-0.149-0.3420.042-0.015-0.064-0.9030.017-0.388-0.1930.942-0.587
Percentage of UnrealizedGainLossOnDerivatives100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cog:AccrualForAdValoremAndOtherNonIncomeTaxesCurrent

cog:AccrualForAdValoremAndOtherNonIncomeTaxesCurrent


Accrual
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-31
Value2.9653.0823.0263.2433.2553.3083.853.663.6643.8581.4721.7081.5621.5250.554.0185.8584.0253.8295.919.2996.1045.07310117.4557.12810106.7976.89410118.9598.735121211121514
Percentage of AccrualForAdValoremAndOtherNonIncomeTaxesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cog:AccruedCapitalExpenditures

cog:AccruedCapitalExpenditures


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-12-31
Value52383727465140444651433324423133514134443026276387130222185146
Percentage of AccruedCapitalExpenditures100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cog:AccruedTransportationCosts

cog:AccruedTransportationCosts


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-31
Value4751525048515550494950474046514848
Percentage of AccruedTransportationCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cog:BookOverdraft us-gaap:BalanceSheetLocation

cog:BookOverdraft

us-gaap:AccountsPayable


Book
Period End2020-09-30
Value7800000.0
Percentage of BookOverdraft100.0

cog:BusinessCombinationCommonStockRightToReceive

cog:BusinessCombinationCommonStockRightToReceive


Business
Period End2021-05-23
Value4.0146
Percentage of BusinessCombinationCommonStockRightToReceive100.0

cog:CumulativePaymentsForRepurchaseOfCommonStock

cog:CumulativePaymentsForRepurchaseOfCommonStock


Cumulative
Period End2020-12-31
Value1900
Percentage of CumulativePaymentsForRepurchaseOfCommonStock100.0

cog:CumulativeTreasuryStockSharesAcquired

cog:CumulativeTreasuryStockSharesAcquired


Cumulative
Period End2020-12-31
Value99
Percentage of CumulativeTreasuryStockSharesAcquired100.0

cog:CumulativeTreasuryStockSharesRetired

cog:CumulativeTreasuryStockSharesRetired


Cumulative
Period End2020-12-31
Value20
Percentage of CumulativeTreasuryStockSharesRetired100.0

cog:DeferredTaxAssetsOperatingLeaseLiability

cog:DeferredTaxAssetsOperatingLeaseLiability


Deferred
Period End2020-12-312019-12-31
Value7709000.08192000.0
Percentage of DeferredTaxAssetsOperatingLeaseLiability100.0100.0

cog:DeferredTaxLiabilitiesEquityMethodInvestments

cog:DeferredTaxLiabilitiesEquityMethodInvestments


Deferred
Period End2020-12-312017-12-312016-12-312015-12-31
Value1649000.002754000.01202000.0
Percentage of DeferredTaxLiabilitiesEquityMethodInvestments100.00.0100.0100.0

cog:DeferredTaxLiabilitiesOperatingRightOfUseAssets

cog:DeferredTaxLiabilitiesOperatingRightOfUseAssets


Deferred
Period End2020-12-312019-12-31
Value7709000.08192000.0
Percentage of DeferredTaxLiabilitiesOperatingRightOfUseAssets100.0100.0

cog:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRateBeginningOfYear

cog:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRateBeginningOfYear


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value3.50.04450.03850.03850.04250.04
Percentage of DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRateBeginningOfYear100.0100.0100.0100.0100.0100.0

cog:DefinedBenefitPlanHealthCareCostTrendRateAssumedNextFiscalYearPost65

cog:DefinedBenefitPlanHealthCareCostTrendRateAssumedNextFiscalYearPost65


Defined
Period End2020-12-312019-12-312018-12-312017-12-312017-09-302016-12-312015-12-31
Value5.00.05250.0550.05750.060.050.055
Percentage of DefinedBenefitPlanHealthCareCostTrendRateAssumedNextFiscalYearPost65100.0100.0100.0100.0100.0100.0100.0

cog:DefinedBenefitPlanHealthCareCostTrendRateAssumedNextFiscalYearPre65

cog:DefinedBenefitPlanHealthCareCostTrendRateAssumedNextFiscalYearPre65


Defined
Period End2020-12-312019-12-312018-12-312017-12-312017-09-302016-12-312015-12-31
Value6.750.070.07250.0750.07750.0750.055
Percentage of DefinedBenefitPlanHealthCareCostTrendRateAssumedNextFiscalYearPre65100.0100.0100.0100.0100.0100.0100.0

cog:DefinedBenefitPlanUltimateHealthCareCostTrendRatePost65

cog:DefinedBenefitPlanUltimateHealthCareCostTrendRatePost65


Defined
Period End2020-12-312019-12-312018-12-312017-12-312017-09-302016-12-312015-12-31
Value4.50.0450.0450.0450.0450.0450.045
Percentage of DefinedBenefitPlanUltimateHealthCareCostTrendRatePost65100.0100.0100.0100.0100.0100.0100.0

cog:DefinedBenefitPlanUltimateHealthCareCostTrendRatePre65

cog:DefinedBenefitPlanUltimateHealthCareCostTrendRatePre65


Defined
Period End2020-12-312019-12-312018-12-312017-12-312017-09-302016-12-312015-12-31
Value4.50.0450.0450.0450.0450.0450.045
Percentage of DefinedBenefitPlanUltimateHealthCareCostTrendRatePre65100.0100.0100.0100.0100.0100.0100.0

cog:ProvedDevelopedAndUndevelopedReservesRatioVolume

cog:ProvedDevelopedAndUndevelopedReservesRatioVolume


Proved
Period End2020-12-31
Value6000.0
Percentage of ProvedDevelopedAndUndevelopedReservesRatioVolume100.0

cog:ReceivablesGrossCurrent

cog:ReceivablesGrossCurrent


Receivables
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value183198215137118136210160184221363224181171217163179194192122119101121120139186240192213246224180206173173104909611710512198
Percentage of ReceivablesGrossCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cog:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValue us-gaap:AwardType

cog:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValue

us-gaap:PerformanceShares


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value6358727955356211577
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValue100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestrictedStock


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value0.81.03.44.61.00.91.51.11.778
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValue1.31.74.75.81.82.52.41.02.3

us-gaap:RestrictedStockUnitsRSU


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value1110.011118.17.5172212
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValue18.117.015.214.714.720.928.919.116.5

cog:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedFairValue us-gaap:AwardType, us-gaap:BalanceSheetLocation

cog:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedFairValue

cog:TSRPerformanceShares, us-gaap:StockholdersEquityTotal


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value13.7920.6319.9219.8518.5719.2932.0423.06
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedFairValue100.0100.0100.0100.0100.0100.0100.0100.0

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

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


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value10.8114.820.1221.647.1
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedFairValue78.471.7101.0109.038.2

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


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value10.376.1815.1513.235.59
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedFairValue75.230.076.166.630.1

cog:TaxesOtherThanIncomePayable

cog:TaxesOtherThanIncomePayable


Taxes
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value1316191613148.8182016129.5861813106.947131.2841.4150.7912.076
Percentage of TaxesOtherThanIncomePayable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

srt:FutureNetCashFlowsRelatingToProvedOilAndGasReservesCashInflows

srt:FutureNetCashFlowsRelatingToProvedOilAndGasReservesCashInflows


Future
Period End2020-12-312019-12-312018-12-31
Value223853030229904
Percentage of FutureNetCashFlowsRelatingToProvedOilAndGasReservesCashInflows100.0100.0100.0

srt:FutureNetCashFlowsRelatingToProvedOilAndGasReservesDevelopmentCosts

srt:FutureNetCashFlowsRelatingToProvedOilAndGasReservesDevelopmentCosts


Future
Period End2020-12-312019-12-312018-12-31
Value161220061766
Percentage of FutureNetCashFlowsRelatingToProvedOilAndGasReservesDevelopmentCosts100.0100.0100.0

srt:FutureNetCashFlowsRelatingToProvedOilAndGasReservesIncomeTaxExpense

srt:FutureNetCashFlowsRelatingToProvedOilAndGasReservesIncomeTaxExpense


Future
Period End2020-12-312019-12-312018-12-31
Value217540424166
Percentage of FutureNetCashFlowsRelatingToProvedOilAndGasReservesIncomeTaxExpense100.0100.0100.0

srt:FutureNetCashFlowsRelatingToProvedOilAndGasReservesNetCashFlows

srt:FutureNetCashFlowsRelatingToProvedOilAndGasReservesNetCashFlows


Future
Period End2020-12-312019-12-312018-12-31
Value78121421415268
Percentage of FutureNetCashFlowsRelatingToProvedOilAndGasReservesNetCashFlows100.0100.0100.0

srt:FutureNetCashFlowsRelatingToProvedOilAndGasReservesProductionCosts

srt:FutureNetCashFlowsRelatingToProvedOilAndGasReservesProductionCosts


Future
Period End2020-12-312019-12-312018-12-31
Value10783100398702
Percentage of FutureNetCashFlowsRelatingToProvedOilAndGasReservesProductionCosts100.0100.0100.0

srt:FutureNetCashFlowsRelatingToProvedOilAndGasReservesTenPercentAnnualDiscountForEstimatedTimingOfCashFlows

srt:FutureNetCashFlowsRelatingToProvedOilAndGasReservesTenPercentAnnualDiscountForEstimatedTimingOfCashFlows


Future
Period End2020-12-312019-12-312018-12-31
Value475083538785
Percentage of FutureNetCashFlowsRelatingToProvedOilAndGasReservesTenPercentAnnualDiscountForEstimatedTimingOfCashFlows100.0100.0100.0

srt:ProvedDevelopedAndUndevelopedReserveNetEnergy

srt:ProvedDevelopedAndUndevelopedReserveNetEnergy


Proved
Period End2020-12-312019-12-312018-12-312017-12-31
Value1312119.726
Percentage of ProvedDevelopedAndUndevelopedReserveNetEnergy100.0100.0100.0100.0

srt:ProvedDevelopedAndUndevelopedReservesNet us-gaap:ReserveQuantitiesByTypeOfReserve

srt:ProvedDevelopedAndUndevelopedReservesNet

srt:CrudeOilAndNGLPerBarrel


Proved
Period End2020-12-312019-12-312018-12-312017-12-31
Value0.0150.0220.1262
Percentage of ProvedDevelopedAndUndevelopedReservesNet100.0100.0100.0100.0

srt:NaturalGasReserves


Proved
Period End2020-12-312019-12-312018-12-312017-12-31
Value1312119.353
Percentage of ProvedDevelopedAndUndevelopedReservesNet91146.758650.09670.015.0

srt:ProvedDevelopedReservesBOE1

srt:ProvedDevelopedReservesBOE1


Proved
Period End2020-12-312019-12-312018-12-312017-12-31
Value8608000.08056000.07403000.06187000.0
Percentage of ProvedDevelopedReservesBOE1100.0100.0100.0100.0

srt:ProvedDevelopedReservesVolume us-gaap:ReserveQuantitiesByTypeOfReserve

srt:ProvedDevelopedReservesVolume

srt:CrudeOilAndNGLPerBarrel


Proved
Period End2020-12-312019-12-312018-12-312017-12-31
Value0.0150.0220.10731
Percentage of ProvedDevelopedReservesVolume100.0100.0100.0100.0

srt:NaturalGasReserves


Proved
Period End2020-12-312019-12-312018-12-312017-12-31
Value8.6088.0567.4026.001
Percentage of ProvedDevelopedReservesVolume57386.736618.26917.819.3

srt:ProvedUndevelopedReserveBOE1

srt:ProvedUndevelopedReserveBOE1


Proved
Period End2020-12-312019-12-312018-12-312017-12-31
Value5064000.04847000.04202000.03539000.0
Percentage of ProvedUndevelopedReserveBOE1100.0100.0100.0100.0

srt:ProvedUndevelopedReserveVolume us-gaap:ReserveQuantitiesByTypeOfReserve

srt:ProvedUndevelopedReserveVolume

srt:NaturalGasReserves


Proved
Period End2020-12-312019-12-312018-12-312017-12-31
Value5.0644.8474.2023.352
Percentage of ProvedUndevelopedReserveVolume100.0100.0100.0100.0

srt:StandardizedMeasureOfDiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReserves

srt:StandardizedMeasureOfDiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReserves


Standardized
Period End2020-12-312019-12-312018-12-312017-12-31
Value3062586164835010
Percentage of StandardizedMeasureOfDiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReserves100.0100.0100.0100.0

us-gaap:AccountsPayableOtherCurrent

us-gaap:AccountsPayableOtherCurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value9.7589.1458.096158.1659.655194.794.2583.753566669.7695.863.8643.472.8374.9025.3577.6054.341104.3575.6595.5116.102175.1496.5316.8385.3955.4075.1316.3395.5065.2846.1533.9175.6929.2987.806
Percentage of AccountsPayableOtherCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccountsPayableTradeCurrent

us-gaap:AccountsPayableTradeCurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value18171220282521293525303433197.815253227272623283033376854534356262419112217251418182427
Percentage of AccountsPayableTradeCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccountsReceivableGrossCurrent

us-gaap:AccountsReceivableGrossCurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value183198215136117135209159183220362221175161215162176189185118115971161141301822271902112422151731931671659982911119810991
Percentage of AccountsReceivableGrossCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccrualForTaxesOtherThanIncomeTaxesCurrent

us-gaap:AccrualForTaxesOtherThanIncomeTaxesCurrent


Accrual
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-31
Value8.8051813106.8282016138.6912519119.4262016128.6861713106.07816141216
Percentage of AccrualForTaxesOtherThanIncomeTaxesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccruedEmployeeBenefitsCurrent

us-gaap:AccruedEmployeeBenefitsCurrent


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value111314191613221817142112118.4312017126.746148.046.678.7251312121022182624433220171616115.85826158.47510
Percentage of AccruedEmployeeBenefitsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccruedRoyaltiesCurrent

us-gaap:AccruedRoyaltiesCurrent


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value2834372523243630323761332827393383928570736975757593971027983797581716647473948434736
Percentage of AccruedRoyaltiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent


Allowance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value1039000.01039000.01039000.01039000.01046000.01046000.01184000.01184000.01184000.01074000.01238000.01456000.01286000.01286000.01286000.02012000.02012000.01243000.01243000.01143000.01143000.01033000.01113000.0997000.01000000.01425000.01198000.0990000.01553000.01811000.01814000.01681000.01679000.01125000.01127000.01015000.01012000.01240000.03345000.03730000.03737000.04093000.0
Percentage of AllowanceForDoubtfulAccountsReceivableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetRetirementObligation

us-gaap:AssetRetirementObligation


Asset
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value89878584797772575554514947464865591351331361351321451401361321261167977757270696763616160747472
Percentage of AssetRetirementObligation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetRetirementObligationCurrent

us-gaap:AssetRetirementObligationCurrent


Asset
Period End2021-06-302021-03-312020-12-312020-09-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-312016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-31
Value500000.0500000.0500000.0500000.0500000.0500000.01000000.01000000.01000000.01000000.01000000.01000000.05000000.06073000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.0
Percentage of AssetRetirementObligationCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetRetirementObligationsNoncurrent

us-gaap:AssetRetirementObligationsNoncurrent


Asset
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value898785837977715654535048464543595713313113413313014313813413012411477757370686967636161607474737229
Percentage of AssetRetirementObligationsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

us-gaap:AssetsFairValueDisclosure

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value25242219181518171616141616151414131312121113121213131312131212
Percentage of AssetsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


Assets
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-12-31
Value1.8362.6471.381198.8920.04416489.616350.00.5773.3260.00.00.00.00.0-0.2330.0150.0162850511.5780.0
Percentage of AssetsFairValueDisclosure7.611.86.9103.956.30.296.9286.457.2242.80.03.621.20.00.00.00.00.0-1.90.0117.90.0128.3212.2380.7393.812.30.0

us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring


Assets
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value8.739230.301217.1930.0039.158149.208241.2733.8977.9872.2396.60513102.9911.8950.03.6470.03247838517134.04113
Percentage of AssetsFairValueDisclosure36.0105.31.5115.445.60.053.683.954.8166.17.624.350.815.046.1100.876.223.815.40.028.00.0256.6361.4625.5655.4139.4101.231.4110.3

us-gaap:AssetsFairValueDisclosure us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value2534482159311842793574172027172027231513113212
Percentage of AssetsFairValueDisclosure100.0143.5217.1108.5319.2201.9100.3250.5470.3211.9508.9107.6127.9172.0115.0146.1200.8176.2123.8113.5100.0246.0100.0

us-gaap:CapitalizedCostsAccumulatedDepreciationDepletionAmortizationAndValuationAllowanceForRelatingToOilAndGasProducingActivities

us-gaap:CapitalizedCostsAccumulatedDepreciationDepletionAmortizationAndValuationAllowanceForRelatingToOilAndGasProducingActivities


Capitalized
Period End2020-12-312019-12-312018-12-31
Value314828612540
Percentage of CapitalizedCostsAccumulatedDepreciationDepletionAmortizationAndValuationAllowanceForRelatingToOilAndGasProducingActivities100.0100.0100.0

us-gaap:CapitalizedCostsOilAndGasProducingActivitiesGross

us-gaap:CapitalizedCostsOilAndGasProducingActivitiesGross


Capitalized
Period End2020-12-312019-12-312018-12-31
Value715466765995
Percentage of CapitalizedCostsOilAndGasProducingActivitiesGross100.0100.0100.0

us-gaap:CapitalizedCostsOilAndGasProducingActivitiesNet

us-gaap:CapitalizedCostsOilAndGasProducingActivitiesNet


Capitalized
Period End2020-12-312019-12-312018-12-31
Value400538153455
Percentage of CapitalizedCostsOilAndGasProducingActivitiesNet100.0100.0100.0

us-gaap:ContractWithCustomerAssetNet

us-gaap:ContractWithCustomerAssetNet


Contract
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value183198215136118135209159183220363221175161215
Percentage of ContractWithCustomerAssetNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrumentCarryingAmount us-gaap:CreditFacility

us-gaap:DebtInstrumentCarryingAmount

us-gaap:LineOfCredit


Debt
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-09-302016-06-302016-03-312015-12-31
Value280.00.00.00.00.00.07.00.00.00.00.00.00.00.0413
Percentage of DebtInstrumentCarryingAmount100.00.00.00.00.00.00.0100.00.00.00.00.00.00.00.0100.0

us-gaap:DebtInstrumentCarryingAmount us-gaap:DebtInstrument

cog:FivePointFiveEightPercentageWeightedAverageFixedRateNotes


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value8787175175175175175175175175175175175175175175175175175175175175175
Percentage of DebtInstrumentCarryingAmount0.00.00.0625.00.00.00.00.00.00.02500.00.00.00.00.00.00.00.00.00.00.00.042.4

cog:SixPointFiveOnePercentageWeightedAverageFixedRateNotes


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value37373737124124124124124124124124361361361361361361361361361425425
Percentage of DebtInstrumentCarryingAmount0.00.00.0132.10.00.00.00.00.00.01771.40.00.00.00.00.00.00.00.00.00.00.0102.9

us-gaap:DebtWeightedAverageInterestRate us-gaap:CreditFacility

us-gaap:DebtWeightedAverageInterestRate

us-gaap:LineOfCredit


Debt
Period End2020-09-30
Value4.0
Percentage of DebtWeightedAverageInterestRate100.0

us-gaap:DeferredCompensationLiabilityClassifiedNoncurrent

us-gaap:DeferredCompensationLiabilityClassifiedNoncurrent


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value343330282724272528292527272729272625242524252224302928303130333130292322201920242621
Percentage of DeferredCompensationLiabilityClassifiedNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value34333028272427252829252727272927262524252425222430292830313033
Percentage of DeferredCompensationLiabilityClassifiedNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredCompensationLiabilityClassifiedNoncurrent us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value3433302827242725282925272727292726252425242522
Percentage of DeferredCompensationLiabilityClassifiedNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredCompensationLiabilityClassifiedNoncurrent us-gaap:RetirementPlanName

cog:DeferredCompensationPlan


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value3027252924
Percentage of DeferredCompensationLiabilityClassifiedNoncurrent100.1100.0100.199.8100.1

us-gaap:DeferredCompensationPlanAssets

us-gaap:DeferredCompensationPlanAssets


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value252422191815181716161416161514141313121211131212131313121312121111111011111110151615
Percentage of DeferredCompensationPlanAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredCompensationPlanAssets us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value25242219181518171616141616151414131312121113121213131312131212
Percentage of DeferredCompensationPlanAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredCompensationPlanAssets us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value2524221918151817161614161615141413131212111312
Percentage of DeferredCompensationPlanAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredCompensationSharebasedArrangementsLiabilityClassifiedNoncurrent us-gaap:AwardType, us-gaap:BalanceSheetLocation

us-gaap:DeferredCompensationSharebasedArrangementsLiabilityClassifiedNoncurrent

cog:TSRPerformanceShares, us-gaap:Liability


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value6800000.04100000.07900000.06600000.02100000.0900000.04000000.07800000.07600000.0
Percentage of DeferredCompensationSharebasedArrangementsLiabilityClassifiedNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredFinanceCostsNet

us-gaap:DeferredFinanceCostsNet


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value2684000.02877000.03076000.03288000.03505000.03740000.03975000.04210000.04445000.04662000.04896000.05152000.05428000.05769000.06109000.06449000.06789000.07130000.07470000.07810000.08151000.08808000.08861000.0
Percentage of DeferredFinanceCostsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredFinanceCostsNoncurrentGross

us-gaap:DeferredFinanceCostsNoncurrentGross


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value5.8446.366.8757.3917.9078.4228.9389.459.9713.7184.5725.4276.2817.1367.998.8459.69910111213132321221617181415161415161718191617181922
Percentage of DeferredFinanceCostsNoncurrentGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredIncomeTaxLiabilities


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value825768683691121013051299
Percentage of DeferredIncomeTaxLiabilities100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsCapitalLossCarryforwards

us-gaap:DeferredTaxAssetsCapitalLossCarryforwards


Deferred
Period End2020-12-312019-12-312018-12-312017-12-31
Value160.08.8770.0
Percentage of DeferredTaxAssetsCapitalLossCarryforwards100.00.0100.00.0

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value2222562073522231417813711395
Percentage of DeferredTaxAssetsOperatingLossCarryforwards100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsOther

us-gaap:DeferredTaxAssetsOther


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value3267000.01336000.02957000.0492000.02743000.02905000.0747000.03619000.07078000.0
Percentage of DeferredTaxAssetsOther100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value161717152222213630
Percentage of DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value7.4827.8476.7997.2651313131316
Percentage of DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value5.7535.4635.696.0658.2177.8699.531118.485
Percentage of DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesDerivatives

us-gaap:DeferredTaxLiabilitiesDerivatives


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value5.9880.005130.01.202500.01968
Percentage of DeferredTaxLiabilitiesDerivatives100.0100.0100.00.0100.0100.00.0100.0100.0

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value809768670691120713031248132112041068925
Percentage of DeferredTaxLiabilitiesPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax

us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value-3.135-1.762-5.75-3.294-1.5620.58
Percentage of DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax100.0100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax

us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value57000.03787000.01253000.0-1912000.02266000.0-580000.0
Percentage of DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax100.0100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax

us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value-3078000.02025000.0-4497000.0-5206000.0704000.00
Percentage of DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax100.0100.0100.0100.0100.00.0

us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate

us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate


Defined
Period End2020-12-312019-12-312018-12-312017-12-312017-09-302016-12-312015-12-31
Value2.650.0350.04450.03850.040.0430.0425
Percentage of DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate100.0100.0100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanBenefitObligation

us-gaap:DefinedBenefitPlanBenefitObligation


Defined
Period End2020-12-312019-12-312018-12-312017-12-312017-09-302016-12-312015-12-312014-12-31
Value3234293128373637
Percentage of DefinedBenefitPlanBenefitObligation100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter


Defined
Period End2020-12-31
Value9018000.0
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter100.0

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths


Defined
Period End2020-12-31
Value2058000.0
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths100.0

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive


Defined
Period End2020-12-31
Value1789000.0
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive100.0

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour


Defined
Period End2020-12-31
Value1860000.0
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour100.0

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree


Defined
Period End2020-12-31
Value1984000.0
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree100.0

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo


Defined
Period End2020-12-31
Value2085000.0
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo100.0

us-gaap:DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear

us-gaap:DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear


Defined
Period End2020-12-31
Value2100000.0
Percentage of DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear100.0

us-gaap:DefinedBenefitPlanFundedStatusOfPlan

us-gaap:DefinedBenefitPlanFundedStatusOfPlan


Defined
Period End2020-12-312019-12-312018-12-312017-12-312017-09-302016-12-312015-12-31
Value-32744000.0-34438000.0-29777000.0-31050000.0-28894000.0-37482000.0-36626000.0
Percentage of DefinedBenefitPlanFundedStatusOfPlan100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeAssetFairValueGrossLiability

us-gaap:DerivativeAssetFairValueGrossLiability


Derivative
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value1.0010.1451.6820.00.00.0160.01.6144.5782.440.0251.0620.6370.00.3060.952.0220.01.0060.00.00.00.00.00.02.942124.041100.9342.233143.63
Percentage of DerivativeAssetFairValueGrossLiability100.0100.0100.00.00.0100.00.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.00.0100.00.00.00.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeAssetFairValueOffsetAgainstCollateralNetOfNotSubjectToMasterNettingArrangementPolicyElection

us-gaap:DerivativeAssetFairValueOffsetAgainstCollateralNetOfNotSubjectToMasterNettingArrangementPolicyElection


Derivative
Period End2021-03-312020-12-312020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value9.57426160.031256114571.2483.412162.2396.31713102.991
Percentage of DerivativeAssetFairValueOffsetAgainstCollateralNetOfNotSubjectToMasterNettingArrangementPolicyElection100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeAssets

us-gaap:DerivativeAssets


Derivative
Period End2021-03-312020-12-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-31
Value9.5742640160.031256114571.2483.412112.2396.29912102.9911.662180.04876134137160.9543.01965874.215506615821819512316
Percentage of DerivativeAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

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


Derivative
Period End2021-03-312020-12-312020-06-302020-03-312019-12-31
Value9.5742640160.031
Percentage of DerivativeAssets100.0100.0100.0100.0100.0

us-gaap:DerivativeAssets us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


Derivative
Period End2020-12-312020-06-302019-12-31
Value2.647190.044
Percentage of DerivativeAssets10.147.4141.9

us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring


Derivative
Period End2020-12-312020-06-302019-12-31
Value23210.003
Percentage of DerivativeAssets90.552.69.7

us-gaap:DerivativeAssets us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


Derivative
Period End2020-12-312020-06-302019-12-31
Value26400.047
Percentage of DerivativeAssets100.6100.0151.6

us-gaap:DerivativeAssetsCurrent

us-gaap:DerivativeAssetsCurrent


Derivative
Period End2021-03-312020-12-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-03-312017-12-31
Value9.5742640160.031256114575.5510.0
Percentage of DerivativeAssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:DerivativeAverageCapPrice us-gaap:DerivativeInstrumentRisk

us-gaap:DerivativeAverageCapPrice

cog:NaturalGasContractFive


Derivative
Period End2020-09-30
Value2.8
Percentage of DerivativeAverageCapPrice100.0

cog:NaturalGasContractFour


Derivative
Period End2020-09-30
Value3.02
Percentage of DerivativeAverageCapPrice107.9

cog:NaturalGasContractTwo


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-03-312019-12-31
Value3.053.033.092.242.382.37
Percentage of DerivativeAverageCapPrice0.00.00.080.00.00.0

us-gaap:DerivativeAverageCapPrice us-gaap:DerivativeInstrumentRisk, us-gaap:SubsequentEventType

cog:NaturalGasContractSix, us-gaap:SubsequentEvent


Derivative
Period End2020-10-30
Value3.32
Percentage of DerivativeAverageCapPrice0.0

us-gaap:DerivativeAverageFloorPrice us-gaap:DerivativeInstrumentRisk

us-gaap:DerivativeAverageFloorPrice

cog:NaturalGasContractFive


Derivative
Period End2020-09-30
Value2.5
Percentage of DerivativeAverageFloorPrice100.0

cog:NaturalGasContractFour


Derivative
Period End2020-09-30
Value2.64
Percentage of DerivativeAverageFloorPrice105.6

cog:NaturalGasContractTwo


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-03-312019-12-31
Value2.682.682.682.052.152.15
Percentage of DerivativeAverageFloorPrice0.00.00.082.00.00.0

us-gaap:DerivativeAverageFloorPrice us-gaap:DerivativeInstrumentRisk, us-gaap:SubsequentEventType

cog:NaturalGasContractSix, us-gaap:SubsequentEvent


Derivative
Period End2020-10-30
Value2.83
Percentage of DerivativeAverageFloorPrice0.0

us-gaap:DerivativeFairValueOfDerivativeAsset

us-gaap:DerivativeFairValueOfDerivativeAsset


Derivative
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-31
Value10261.68240160.047256218601.2734.474112.2396.60513122.9912.668180.0487613413719134.0411366891850198
Percentage of DerivativeFairValueOfDerivativeAsset100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


Derivative
Period End2021-03-312020-12-312020-09-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302013-12-31
Value1.8362.6471.3818.8920.04416489.616350.00.5773.3260.00.00.00.00.0-0.23315162850511.5780.0
Percentage of DerivativeFairValueOfDerivativeAsset17.410.082.155.393.664.477.351.159.40.012.927.80.00.00.00.00.0-8.780.833.337.037.837.58.10.0

us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring


Derivative
Period End2021-03-312020-12-312020-09-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value8.739230.3017.1930.0039.158149.208241.2733.8977.9872.2396.60513102.9911.8953.6473247838517134.04113
Percentage of DerivativeFairValueOfDerivativeAsset82.690.017.944.76.435.622.748.940.6100.087.166.8100.0100.0100.083.6100.071.019.266.763.062.262.591.9100.0100.0100.0

us-gaap:DerivativeFairValueOfDerivativeAsset us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


Derivative
Period End2021-03-312020-12-312020-09-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-03-31
Value10261.682160.047256218601.2734.474112.2396.60513102.9911.66218
Percentage of DerivativeFairValueOfDerivativeAsset100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.094.7100.0100.0100.083.6100.062.3100.0

us-gaap:DerivativeFairValueOfDerivativeLiability

us-gaap:DerivativeFairValueOfDerivativeLiability


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-31
Value771.0010.145170.00.00.0250.01.6145.8832.4410108.639301.1063.63814407.159190.00.03.5935077240.9342.233440.1923.511
Percentage of DerivativeFairValueOfDerivativeLiability100.0100.0100.0100.00.00.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral

us-gaap:DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral


Derivative
Period End2021-06-302020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value77150.00.00.00.00.01.3050.0109.5898.002300.82.68812416.153190.0
Percentage of DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral100.0100.00.00.00.00.00.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

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

us-gaap:DerivativeFloorPrice

srt:Maximum, cog:NaturalGasContractFour


Derivative
Period End2020-09-30
Value2.8
Percentage of DerivativeFloorPrice100.0

srt:Maximum, cog:NaturalGasContractTwo


Derivative
Period End2021-06-302021-03-312020-09-302020-04-30
Value2.852.852.152.15
Percentage of DerivativeFloorPrice0.00.076.80.0

srt:Minimum, cog:NaturalGasContractFour


Derivative
Period End2020-09-30
Value2.5
Percentage of DerivativeFloorPrice89.3

srt:Minimum, cog:NaturalGasContractTwo


Derivative
Period End2021-06-302021-03-312020-09-302020-04-30
Value2.52.51.91.9
Percentage of DerivativeFloorPrice0.00.067.90.0

us-gaap:DerivativeInstrumentsAndHedges

us-gaap:DerivativeInstrumentsAndHedges


Derivative
Period End2020-12-312019-12-312018-12-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value260.031572.2392.5367.7082.8262.9910.518180.04876134137160.9543.01956694.2155061139196174100401716114
Percentage of DerivativeInstrumentsAndHedges100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

us-gaap:DerivativeLiabilities

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


Derivative
Period End2021-06-302020-09-302020-06-302020-03-312019-12-31
Value77110.00.00.009
Percentage of DerivativeLiabilities100.0100.00.00.0100.0

us-gaap:OtherNoncurrentLiabilities, us-gaap:CommodityContract, us-gaap:Nondesignated


Derivative
Period End2020-09-302016-09-302015-12-31
Value4.0950.3350.0
Percentage of DerivativeLiabilities35.20.00.0

us-gaap:DerivativeLiabilities us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation

us-gaap:CommodityContract, us-gaap:Nondesignated


Derivative
Period End2020-09-302020-06-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value150.00.0090.00.01.3050.0109.5898.00230
Percentage of DerivativeLiabilities135.20.0100.00.00.00.00.00.00.00.00.0

us-gaap:DerivativeLiabilities us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


Derivative
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value180.0073.270.00.00.00.00.01.2910.04.7225.4150.00.00.1781.1117.429214.72211
Percentage of DerivativeLiabilities24.40.028.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value580.9940.145140.00.00.0250.01.6144.5922.446.2245.2368.002300.9282.5275.263181.4318.306
Percentage of DerivativeLiabilities75.60.00.0121.60.00.0277.80.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:DerivativeLiabilities us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value771.0010.145170.00.00.0250.01.6145.8832.4410108.002301.1063.63812406.15319
Percentage of DerivativeLiabilities100.00.00.0149.70.00.0277.80.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:DerivativeLiabilitiesCurrent

us-gaap:DerivativeLiabilitiesCurrent


Derivative
Period End2021-06-302020-09-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-31
Value77111.3050.0109.5898.002300.82.68812405.818180.00.00.1023873130.192
Percentage of DerivativeLiabilitiesCurrent100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0

us-gaap:DerivativeLiabilitiesNoncurrent

us-gaap:DerivativeLiabilitiesNoncurrent


Derivative
Period End2020-09-302016-06-302015-12-312014-09-302013-12-31
Value4095000.0994000.00549000.00
Percentage of DerivativeLiabilitiesNoncurrent100.0100.00.0100.00.0

us-gaap:DerivativeLiabilityFairValueGrossAsset

us-gaap:DerivativeLiabilityFairValueGrossAsset


Derivative
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-312013-03-312012-12-31
Value1.0010.1451.6820.00.00.0160.01.6144.5782.440.0251.0620.6370.00.3060.952.0220.01.0060.00.0143.63
Percentage of DerivativeLiabilityFairValueGrossAsset100.0100.0100.00.00.0100.00.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.00.0100.00.00.0100.0100.0

us-gaap:DerivativeLiabilityFairValueOffsetAgainstCollateralNetOfNotSubjectToMasterNettingArrangementPolicyElection

us-gaap:DerivativeLiabilityFairValueOffsetAgainstCollateralNetOfNotSubjectToMasterNettingArrangementPolicyElection


Derivative
Period End2021-06-302020-09-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value77150.00.0090.00.01.3050.0109.58913300.82.6881241
Percentage of DerivativeLiabilityFairValueOffsetAgainstCollateralNetOfNotSubjectToMasterNettingArrangementPolicyElection100.0100.00.0100.00.00.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeSwapTypeAverageFixedPrice us-gaap:DerivativeInstrumentRisk

us-gaap:DerivativeSwapTypeAverageFixedPrice

cog:NaturalGasContractContractOne


Derivative
Period End2021-03-312020-09-302020-03-312019-12-31
Value2.742.252.272.27
Percentage of DerivativeSwapTypeAverageFixedPrice100.0100.0100.0100.0

cog:NaturalGasContractFour


Derivative
Period End2021-06-302021-03-312020-12-31
Value2.782.782.75
Percentage of DerivativeSwapTypeAverageFixedPrice0.0101.50.0

cog:NaturalGasContractThree


Derivative
Period End2020-09-30
Value2.74
Percentage of DerivativeSwapTypeAverageFixedPrice121.8

us-gaap:DerivativeSwapTypeAverageFixedPrice us-gaap:DerivativeInstrumentRisk, us-gaap:SubsequentEventType

cog:NaturalGasContractFive, us-gaap:SubsequentEvent


Derivative
Period End2021-02-26
Value2.81
Percentage of DerivativeSwapTypeAverageFixedPrice0.0

cog:NaturalGasContractOne, us-gaap:SubsequentEvent


Derivative
Period End2021-07-31
Value4.01
Percentage of DerivativeSwapTypeAverageFixedPrice0.0

cog:NaturalGasContractTwo, us-gaap:SubsequentEvent


Derivative
Period End2021-07-31
Value4.02
Percentage of DerivativeSwapTypeAverageFixedPrice0.0

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized us-gaap:AwardType

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized

us-gaap:PerformanceShares


Employee
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value2827242019181817
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestrictedStock


Employee
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value0.71.11.14.00.10.50.80.40.3
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized2.54.04.519.30.52.74.42.40.0

us-gaap:FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisWithUnobservableInputs

us-gaap:FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisWithUnobservableInputs


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-31
Value-58.3747.74523-13.834217.193-0.0229.158124.61621-4.951-1.339-0.015-28.3985.677115.069-15.8680.464-8.3063.6470.03247838515-26.915-60.3683.916583-29.899414412921819514
Percentage of FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisWithUnobservableInputs100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncomeTaxesReceivable

us-gaap:IncomeTaxesReceivable


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-03-312013-12-312012-09-302011-12-312009-12-31
Value222.5596.1711561551561291331211111096541815626161.60110154.1874.1874.323165.7972.4413.6120.00.5320.9221.1831.3888.909
Percentage of IncomeTaxesReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0

us-gaap:InterestPayableCurrent

us-gaap:InterestPayableCurrent


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value154.856176.242196.952197.273197.211209.101271227122712271228133013301330122012201122122212231424152419
Percentage of InterestPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths


Lessee
Period End2020-12-31
Value5556000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths100.0

us-gaap:LiabilitiesFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:LiabilitiesFairValueDisclosure

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value34333028272427252829252727272927262524252425222430292830313033
Percentage of LiabilitiesFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


Liabilities
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value180.0073.270.00.00.00.00.01.2910.04.7225.4150.00.00.1781.1117.429214.722110.00.00.00.00.00.01.21610136.983
Percentage of LiabilitiesFairValueDisclosure54.60.011.50.00.00.00.00.04.30.017.019.40.00.00.64.229.288.518.845.60.00.00.00.00.00.04.033.842.221.0

us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value580.9940.145140.00.00.0250.01.6144.5922.446.2245.2368.002300.9282.5275.263181.4318.3060.00.00.00.00.00.02.377406417
Percentage of LiabilitiesFairValueDisclosure169.33.00.549.60.00.00.10.05.715.49.522.418.829.0105.13.49.620.778.05.733.90.00.00.00.00.00.07.9128.2207.953.3

us-gaap:LiabilitiesFairValueDisclosure us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value11134304527242725293528383835592829386431442522
Percentage of LiabilitiesFairValueDisclosure323.9103.0100.5161.1100.0100.0100.1100.0105.7119.8109.5139.3138.2129.0205.1104.0113.9149.9266.6124.5179.5100.0100.0

us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity us-gaap:CreditFacility

us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity

us-gaap:LineOfCredit


Line
Period End2021-04-212020-04-232016-04-192016-04-182015-04-172015-04-16
Value320032003200340034003100
Percentage of LineOfCreditFacilityMaximumBorrowingCapacity100.0100.0100.0100.0100.0100.0

us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity us-gaap:CreditFacility, us-gaap:SubsequentEventType

us-gaap:LineOfCredit, us-gaap:SubsequentEvent


Line
Period End2021-04-212016-04-192016-04-182015-04-172015-04-16
Value32003200340034003100
Percentage of LineOfCreditFacilityMaximumBorrowingCapacity100.0100.0100.0100.0100.0

us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity us-gaap:CreditFacility

us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity

us-gaap:LineOfCredit


Line
Period End2021-06-302021-04-212021-03-312020-09-302020-06-302020-04-232020-03-312019-03-312018-09-302018-06-302018-04-182018-03-312017-09-302017-06-302017-04-112017-03-312016-09-302016-06-302016-04-192016-03-312015-03-31
Value150015001500150015001500150018001800170017001700170017001700170017001700160018001100
Percentage of LineOfCreditFacilityRemainingBorrowingCapacity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity us-gaap:CreditFacility, us-gaap:SubsequentEventType

us-gaap:LineOfCredit, us-gaap:SubsequentEvent


Line
Period End2021-04-212020-04-232019-04-222016-04-192015-04-172015-04-16
Value150015001500160018001400
Percentage of LineOfCreditFacilityRemainingBorrowingCapacity100.0100.00.0100.00.00.0

us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity us-gaap:DebtInstrument

us-gaap:LineOfCredit


Line
Period End2020-12-312019-12-312019-04-222018-12-312016-12-312016-04-19
Value150015001500180017001700
Percentage of LineOfCreditFacilityRemainingBorrowingCapacity0.00.00.00.00.0106.2

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths


Long
Period End2020-12-31
Value188
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour


Long
Period End2020-12-31
Value575
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree


Long
Period End2020-12-31
Value62
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree100.0

us-gaap:LongtermDebtWeightedAverageInterestRate us-gaap:DebtInstrument

us-gaap:LongtermDebtWeightedAverageInterestRate

cog:FivePointFiveEightPercentageWeightedAverageFixedRateNotes


Longterm
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-31
Value5.585.585.585.580.05580.05580.05580.05580.05580.05580.05580.05580.05580.05580.05580.05580.05580.05580.05580.05580.05580.05580.05580.05580.05580.05580.05580.05580.05580.05580.05580.05580.05580.05580.05580.05580.05580.05580.05580.05580.0558
Percentage of LongtermDebtWeightedAverageInterestRate100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cog:SixPointFiveOnePercentageWeightedAverageFixedRateNotes


Longterm
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-31
Value6.516.516.516.510.06510.06510.06510.06510.06510.06510.06510.06510.06510.06510.06510.06510.06510.06510.06510.06510.06510.06510.06510.06510.06510.06510.06510.06510.06510.06510.06510.06510.06510.06510.06510.06510.06510.06510.06510.06510.0651
Percentage of LongtermDebtWeightedAverageInterestRate116.7116.7116.7116.7116.7116.7116.7116.7116.7116.7116.7116.7116.7116.7116.7116.7116.7116.7116.7116.7116.7116.7116.7116.7116.7116.7116.7116.7116.7116.7116.7116.7116.7116.7116.7116.7116.7116.7116.7116.7116.7

cog:ThreePointSixFivePercentageWeightedAverageFixedRateNotes


Longterm
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value3.650.03650.03650.03650.03650.03650.0365
Percentage of LongtermDebtWeightedAverageInterestRate65.465.465.465.465.465.465.4

cog:ThreePointSixtyFivePercentageWeightedAverageFixedRateNote


Longterm
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-12-31
Value3.653.653.650.03650.03650.03650.03650.03650.03650.03650.03650.03650.03650.03650.03650.03650.03650.03650.03650.03650.03650.03650.03650.03650.03650.03650.0365
Percentage of LongtermDebtWeightedAverageInterestRate65.465.465.465.465.465.465.465.465.465.465.465.465.465.465.465.465.465.465.465.465.465.465.465.465.465.465.4

us-gaap:LongtermDebtWeightedAverageInterestRate us-gaap:DebtInstrument, us-gaap:SubsequentEventType

cog:SixPointFiveOnePercentageWeightedAverageFixedRateNotes, us-gaap:SubsequentEvent


Longterm
Period End2021-01-312020-07-31
Value5.580.0651
Percentage of LongtermDebtWeightedAverageInterestRate0.00.0

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent


Operating
Period End2020-12-312020-03-312019-12-312019-03-31
Value5.00.055.00.049
Percentage of OperatingLeaseWeightedAverageDiscountRatePercent100.0100.0100.0100.0

us-gaap:OperatingLossCarryforwards us-gaap:IncomeTaxAuthority

us-gaap:OperatingLossCarryforwards

us-gaap:StateAndLocalJurisdiction


Operating
Period End2020-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value382468543636530483378378312
Percentage of OperatingLossCarryforwards100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLossCarryforwardsValuationAllowance us-gaap:IncomeTaxAuthority

us-gaap:OperatingLossCarryforwardsValuationAllowance

us-gaap:StateAndLocalJurisdiction


Operating
Period End2020-12-31
Value13
Percentage of OperatingLossCarryforwardsValuationAllowance100.0

us-gaap:OtherAssetsMiscellaneousNoncurrent

us-gaap:OtherAssetsMiscellaneousNoncurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-31
Value44000.0128000.085000.079000.052000.054000.056000.074000.063000.060000.061000.0227000.0202000.0108000.056000.0101000.062000.0106000.058000.078000.056000.059000.064000.062000.065000.0184000.065000.070000.071000.0169000.079000.081000.078000.078000.083000.0666000.01317000.01345000.01342000.01343000.01414000.0
Percentage of OtherAssetsMiscellaneousNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherCommitment us-gaap:OtherCommitments

us-gaap:OtherCommitment

cog:TransportationAgreementObligation


Other
Period End2020-12-312016-12-31
Value20161844
Percentage of OtherCommitment100.0100.0

us-gaap:OtherCommitmentDueAfterFifthYear us-gaap:OtherCommitments

us-gaap:OtherCommitmentDueAfterFifthYear

cog:TransportationAgreementObligation


Other
Period End2020-12-31
Value1184
Percentage of OtherCommitmentDueAfterFifthYear100.0

us-gaap:OtherCommitmentDueInFifthYear us-gaap:OtherCommitments

us-gaap:OtherCommitmentDueInFifthYear

cog:TransportationAgreementObligation


Other
Period End2020-12-31
Value169
Percentage of OtherCommitmentDueInFifthYear100.0

us-gaap:OtherCommitmentDueInFourthYear us-gaap:OtherCommitments

us-gaap:OtherCommitmentDueInFourthYear

cog:TransportationAgreementObligation


Other
Period End2020-12-31
Value179
Percentage of OtherCommitmentDueInFourthYear100.0

us-gaap:OtherCommitmentDueInNextTwelveMonths us-gaap:OtherCommitments

us-gaap:OtherCommitmentDueInNextTwelveMonths

cog:TransportationAgreementObligation


Other
Period End2020-12-31
Value105
Percentage of OtherCommitmentDueInNextTwelveMonths100.0

us-gaap:OtherCommitmentDueInSecondYear us-gaap:OtherCommitments

us-gaap:OtherCommitmentDueInSecondYear

cog:TransportationAgreementObligation


Other
Period End2020-12-31
Value191
Percentage of OtherCommitmentDueInSecondYear100.0

us-gaap:OtherCommitmentDueInThirdYear us-gaap:OtherCommitments

us-gaap:OtherCommitmentDueInThirdYear

cog:TransportationAgreementObligation


Other
Period End2020-12-31
Value185
Percentage of OtherCommitmentDueInThirdYear100.0

us-gaap:OtherReceivables

us-gaap:OtherReceivables


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value565000.0257000.0462000.01037000.0993000.0881000.01007000.0863000.0796000.0996000.0567000.0852000.04896000.09528000.01312000.0425000.01322000.03334000.05335000.01986000.02211000.02484000.02557000.05001000.01440000.0-614000.06515000.0439000.0208000.0516000.0746000.01612000.06260000.01555000.02817000.01092000.03561000.0778000.01003000.0810000.0759000.02603000.0
Percentage of OtherReceivables100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherSundryLiabilitiesNoncurrent

us-gaap:OtherSundryLiabilitiesNoncurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-31
Value131621129.8068.6918.5958.5298.8098.0143434327.182108.817.8615.3814.9524.333.9283.5963.6534.4784.8769.312106.9636.4516.899131115121612127.95611118.399
Percentage of OtherSundryLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities


Pension
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value2031000.01725000.01865000.01654000.01223000.01333000.01304000.01304000.01304000.01304000.01260000.04838000.05917000.06331000.01688000.01688000.01688000.0
Percentage of PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesCurrentAndNoncurrent

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesCurrentAndNoncurrent


Pension
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value323429313736
Percentage of PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesCurrentAndNoncurrent100.0100.0100.0100.0100.0100.0

us-gaap:PropertyPlantAndEquipmentOther

us-gaap:PropertyPlantAndEquipmentOther


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-31
Value94929210810710510410198949486838182888485848180114117116109
Percentage of PropertyPlantAndEquipmentOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProvedOilAndGasPropertySuccessfulEffortMethod

us-gaap:ProvedOilAndGasPropertySuccessfulEffortMethod


Proved
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value735971967068698368506674650863396138591957175489524750824932696768017589743776697543748388218701853182917984740569546676636265226245596957245618537651855006537751524794
Percentage of ProvedOilAndGasPropertySuccessfulEffortMethod100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestrictedCashAndCashEquivalents

us-gaap:RestrictedCashAndCashEquivalents


Restricted
Period End2021-06-302021-03-312020-12-312020-09-302020-03-312019-12-312018-12-312014-12-312014-09-302014-03-312013-12-312012-06-302012-03-312011-12-31
Value1011111111130.00.00.019281.9071.9072.234
Percentage of RestrictedCashAndCashEquivalents100.0100.0100.0100.0100.0100.00.00.00.0100.0100.0100.0100.0100.0

us-gaap:RevenueRemainingPerformanceObligation

us-gaap:RevenueRemainingPerformanceObligation


Revenue
Period End2021-06-302021-03-312020-12-312020-09-30
Value8000819989009100
Percentage of RevenueRemainingPerformanceObligation100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue

cog:EmployeePerformanceShares


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value20.3123.6422.2223.3127.2630.2325.1816.2512.278.128.35
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cog:HybridPerformanceShares


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value19.4123.922.4822.7225.1230.3729.2718.9613.119.168.25
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue95.6101.1101.297.592.1100.5116.2116.7106.8112.898.8

cog:TSRPerformanceShares


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value16.4120.1719.4719.2321.6223.8222.4214.0610.276.076.5
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue80.885.387.682.579.378.889.086.583.774.877.8

us-gaap:RestrictedStock


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value25.2925.1928.1228.033.8733.7633.420.5323.6418.358.89
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue124.5106.6126.6120.1124.2111.7132.6126.3192.7226.0106.5

us-gaap:RestrictedStockUnitsRSU


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value17.9918.4717.4116.1715.0113.8112.4810.7518.1915.757.34
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue88.678.178.469.455.145.749.666.2148.2194.087.9

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant us-gaap:PlanName

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant

cog:StockIncentivePlan2014


Share
Period End2020-12-31
Value11
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant100.0

us-gaap:StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased

us-gaap:StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased


Stock
Period End2020-12-312018-02-282017-12-312013-12-31
Value11304040
Percentage of StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased100.0100.0100.0100.0

us-gaap:TaxCreditCarryforwardAmount us-gaap:TaxCreditCarryforward

us-gaap:TaxCreditCarryforwardAmount

us-gaap:CapitalLossCarryforward


Tax
Period End2020-12-31
Value72
Percentage of TaxCreditCarryforwardAmount100.0

us-gaap:TaxCreditCarryforwardValuationAllowance us-gaap:TaxCreditCarryforward

us-gaap:TaxCreditCarryforwardValuationAllowance

us-gaap:CapitalLossCarryforward


Tax
Period End2020-12-31
Value14
Percentage of TaxCreditCarryforwardValuationAllowance100.0

us-gaap:TreasuryStockShares

us-gaap:TreasuryStockShares


Treasury
Period End2020-12-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-302018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value797878796858531.3792684234231412129.892689.892689.892689.892689.892689.892689.892689.892689.892689.892689.638985.6181665.6181665.6181660.80880.40440.40440.40440.40440.40440.40440.40440.20220.20220.20220.20220.2022
Percentage of TreasuryStockShares100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:UnprovedOilAndGasPropertySuccessfulEffortMethod

us-gaap:UnprovedOilAndGasPropertySuccessfulEffortMethod


Unproved
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value454349586273133164178186194199189194190287291296260287325324390415451486492354352365375444458463467478456483478505492490
Percentage of UnprovedOilAndGasPropertySuccessfulEffortMethod100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued

us-gaap:UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued


Unrecognized
Period End2020-12-31
Value600000.0
Percentage of UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued100.0

us-gaap:UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued us-gaap:TaxCreditCarryforward

us-gaap:Research


Unrecognized
Period End2020-12-31
Value500000.0
Percentage of UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued83.3

Line plots across dimensions of each concept


us-gaap:SharesOutstanding
us-gaap:StatementEquityComponents
(None,)
Shares Outstandingus-gaap: Statement Equity Components
TTM Greenblatt ROC
_
(None,)
T T M  Greenblatt  R O C_
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:ProductOrService
(None,)
Revenue From Contract With Customer Excluding Assessed Taxus-gaap: Product Or Service
us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents
(None,)
Stockholders Equityus-gaap: Statement Equity Components
us-gaap:LongTermDebtCurrent
us-gaap:FairValueByMeasurementBasis
(None,)
Long Term Debt Currentus-gaap: Fair Value By Measurement Basis
us-gaap:LongTermDebt
us-gaap:FairValueByMeasurementBasis
(None,)
Long Term Debtus-gaap: Fair Value By Measurement Basis
us-gaap:LongTermDebtNoncurrent
us-gaap:FairValueByMeasurementBasis
(None,)
Long Term Debt Noncurrentus-gaap: Fair Value By Measurement Basis
us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents
(None,)
Stockholders Equityus-gaap: Statement Equity Components