HES


Line plots across dimensions of each concept
Tables

Table of contents



us-gaap:CommonStockValue

us-gaap:CommonStockSharesIssued

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareDiluted

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:Energy, us-gaap:StatementBusinessSegments
us-gaap:ConsolidationItems, us-gaap:Energy, us-gaap:StatementGeographical, us-gaap:StatementBusinessSegments
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments, us-gaap:SubsegmentsConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementGeographical, us-gaap:StatementBusinessSegments
us-gaap:ConsolidationItems, us-gaap:SubsegmentsConsolidationItems
us-gaap:Energy

us-gaap:Revenues

us-gaap:OperatingCostsAndExpenses

us-gaap:CostsAndExpenses

us-gaap:GeneralAndAdministrativeExpense

us-gaap:InterestExpense

us-gaap:OtherNonoperatingIncomeExpense

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:IncomeLossFromContinuingOperationsAttributableToNoncontrollingEntity

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

us-gaap:ProfitLoss
us-gaap:StatementEquityComponents

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest

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

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest

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

us-gaap:Liabilities

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:StockholdersEquity

us-gaap:AssetsCurrent

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:InventoryNet

us-gaap:InventoryRawMaterialsAndSupplies

us-gaap:OtherAssetsCurrent

us-gaap:PropertyPlantAndEquipmentGross

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:PropertyPlantAndEquipmentNet
us-gaap:Ownership

us-gaap:Goodwill

us-gaap:OtherAssetsNoncurrent

us-gaap:LiabilitiesCurrent

us-gaap:LongTermDebtCurrent

us-gaap:AccountsPayableCurrent

us-gaap:TaxesPayableCurrent

us-gaap:LongTermDebtNoncurrent

us-gaap:DeferredTaxLiabilitiesNoncurrent

us-gaap:MinorityInterest

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:StockholdersEquity

us-gaap:CommonStockValue

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities

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

us-gaap:ProfitLoss
us-gaap:StatementEquityComponents

us-gaap:DepreciationDepletionAndAmortization
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet

us-gaap:IncreaseDecreaseInInventories

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:ProceedsFromIssuanceOfLongTermDebt

us-gaap:RepaymentsOfLongTermDebt

us-gaap:PaymentsForRepurchaseOfCommonStock

us-gaap:RepaymentsOfLongTermDebt

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod

us-gaap:ShareBasedCompensation

us-gaap:OperatingLeaseRightOfUseAsset
us-gaap:Energy, us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship
hes:DerivativeNonmonetaryNotionalAmountVolumeOfOilPerDayFromExecutionToYearEnd

hes:ExploratoryDryHoleCosts
us-gaap:CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortizationByPropertyOrProject, us-gaap:PropertyPlantAndEquipmentByType
hes:ImpairmentChargeAfterIncomeTax
us-gaap:StatementGeographical, us-gaap:CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortizationByPropertyOrProject, us-gaap:PropertyPlantAndEquipmentByType
us-gaap:Energy, us-gaap:HedgingDesignation
hes:IncreasedDecreasedExplorationProductionSalesAndOtherOperatingRevenue
us-gaap:ConsolidationItems
hes:IntersegmentRevenues
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

hes:MarketingIncludingPurchasedOilAndGas

hes:NetNonServicePensionIncomeExpenseCostsInOtherNet

hes:RevenueFromContractWithCustomerAndOtherOperatingRevenuesExcludingAssessedTax
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:ConsolidationItems, us-gaap:StatementGeographical, us-gaap:StatementBusinessSegments

hes:RevenueFromContractWithCustomerAndOtherOperatingRevenuesExcludingAssessedTaxAndIntersegmentRevenues
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
us-gaap:StatementEquityComponents
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:AssetImpairmentCharges
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:CapitalizedExploratoryWellCostChargedToExpense1
us-gaap:CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortizationByPropertyOrProject

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:CommonStockDividendsPerShareDeclared

us-gaap:DeferredIncomeTaxesAndTaxCredits

us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses

us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets

us-gaap:DefinedBenefitPlanInterestCost

us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost

us-gaap:DefinedBenefitPlanServiceCost

us-gaap:DividendsCommonStock
us-gaap:StatementEquityComponents

us-gaap:ExplorationExpense
us-gaap:Energy, us-gaap:StatementScenario, us-gaap:CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortizationByPropertyOrProject

us-gaap:FinanceLeasePrincipalPayments
us-gaap:DerivativeInstrumentRisk
us-gaap:ForeignCurrencyTransactionGainLossBeforeTax
us-gaap:DerivativeInstrumentRisk
us-gaap:GainLossOnForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstruments

us-gaap:ImpairmentOfLeasehold

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities

us-gaap:IncreaseDecreaseInAccountsReceivable

us-gaap:IncreaseDecreaseInAccruedTaxesPayable
us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship
us-gaap:IncreaseDecreaseInFairValueOfInterestRateFairValueHedgingInstruments1
us-gaap:AwardType
us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements

us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax

us-gaap:OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax

us-gaap:OtherComprehensiveIncomeLossNetOfTax
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax

us-gaap:OtherOperatingIncomeExpenseNet
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:ConsolidationItems, us-gaap:StatementGeographical, us-gaap:StatementBusinessSegments

us-gaap:PaymentsForProceedsFromOtherInvestingActivities

us-gaap:PaymentsOfOrdinaryDividends

us-gaap:PaymentsToAcquireEquityMethodInvestments

us-gaap:PaymentsToAcquireMachineryAndEquipment

us-gaap:PaymentsToAcquireOilAndGasPropertyAndEquipment

us-gaap:PreferredStockDividendsIncomeStatementImpact

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities

us-gaap:ProceedsFromPaymentsToMinorityShareholders

us-gaap:ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess

us-gaap:ProductionTaxExpense

us-gaap:PropertyPlantAndEquipmentAdditions
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross

us-gaap:StockIssuedDuringPeriodSharesRestrictedStockAwardGross

us-gaap:TangibleAssetImpairmentCharges
us-gaap:CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortizationByPropertyOrProject, us-gaap:PropertyPlantAndEquipmentByType
us-gaap:StatementGeographical, us-gaap:CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortizationByPropertyOrProject, us-gaap:PropertyPlantAndEquipmentByType

us-gaap:UnrealizedGainLossOnDerivativesAndCommodityContracts
us-gaap:CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortizationByPropertyOrProject
hes:CapitalizedWellCostsGreaterThanOneYearAttributableToProject
us-gaap:Energy, us-gaap:PropertyPlantAndEquipmentByType
hes:ImpairmentChargeFutureFlatPrice

hes:OperatingAndFinanceLeaseLiabilitiesCurrent

us-gaap:AccountsAndOtherReceivablesNetCurrent

us-gaap:AccruedLiabilitiesCurrent

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:AssetRetirementObligationsNoncurrent

us-gaap:CapitalizedExploratoryWellCosts

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations

us-gaap:ContractWithCustomerAssetNetCurrent

us-gaap:CrudeOilAndNaturalGasLiquids

us-gaap:DeferredTaxAssetsNetNoncurrent

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

us-gaap:DerivativeAssetFairValueGrossLiability

us-gaap:DerivativeAssets

us-gaap:DerivativeAssetsCurrent

us-gaap:DerivativeLiabilities

us-gaap:DerivativeLiabilityFairValueGrossAsset

us-gaap:DerivativeLiabilityFairValueGrossLiabilityIncludingNotSubjectToMasterNettingArrangement
us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation
us-gaap:HedgingDesignation
us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeNonmonetaryNotionalAmount
us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeNotionalAmount

us-gaap:FinanceLeaseLiabilityNoncurrent

us-gaap:FinanceLeaseRightOfUseAsset
us-gaap:CreditFacility
us-gaap:LineOfCredit
us-gaap:CreditFacility
us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
us-gaap:StatementEquityComponents
us-gaap:Ownership
us-gaap:VariableInterestEntityConsolidatedLiabilitiesNoRecourse

Tables

  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:CommonStockValue ▄▃▃▃▃▂▂▃▄▅▅▅▅▅▅▅▅▁▁▁▁▁▃▄▄▆▇██████████▇▆▆▆▆307305305304304291296300308315318318318317317317317286286287287286299308314325338343343342342342342340340340340338328328328327NANANA
us-gaap:CommonStockSharesIssued ▄▃▃▃▃▂▂▃▄▅▅▅▅▅▅▅▅▁▁▁▁▁▃▄▄▆▇██████████▇▆▆▆▆307304304304304291296299308315317317317316316316316286286287287285298307314325337343343341341341341339339339339337328328328327NANANA
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding 304NA302302299NA294297309NA314314313NA313313299NA283284283NA305314322NA343344342NA339340340NA340340339NA327327327NA326325323
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic 304NA302302297NA294297309NA314314313NA313313299NA283284283NA300309318NA339340339NA338338337NA337337335NA325325324NA324323NA
us-gaap:EarningsPerShareBasic ▄▆▆▆▆▆▆▆▆▃▅▆▆▁▆▆▆▄▆▅▆▆▇▇▇█▇▇▇▆▇▇▇▆▆▇▇▆▇▆▇▆▆▆▆-8.0-0.7400000000000001-0.7-0.020.09-0.06000000000000005-0.18-0.48-0.38-8.57-2.02-1.46-1.07-15.810000000000002-1.12-1.29-1.72-6.43-0.98-1.99-1.370.089999999999999863.353.011.215.7899999999999991.244.213.761.10000000000000051.651.621.61-0.400000000000000360.891.82.770.159999999999999253.541.151.661.09999999999999991.050.31-0.18
us-gaap:EarningsPerShareDiluted ▄▆▆▆▆▆▆▆▆▃▅▆▆▁▆▆▆▄▆▅▆▆▇▇▇█▇▇▇▇▇▇▇▆▆▇▇▆▇▇▇▇▆▆▆-8.0-0.7400000000000001-0.7-0.020.09-0.06000000000000005-0.18-0.48-0.38-8.57-2.02-1.46-1.07-15.810000000000002-1.12-1.29-1.72-6.43-0.98-1.99-1.370.089999999999999863.312.961.25.7100000000000011.234.163.721.10000000000000051.641.611.6-0.390000000000000570.881.782.740.160000000000000143.521.151.651.11.050.31-0.18
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax ▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▂▁▂▂▂▄█▂▃▃▆▆▆▆▅▅▆▆▅▅▅▆▅▅▄▄1287165015781671155716561841158113801236166612281275138611961269993138716891935155023452802360055061350126984105411796989619930997478824872698061051586908953775092208558738467556872
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems,us-gaap:Energy,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,hes:NaturalGasRevenue,hes:ExplorationAndProduction▁▃▃▃▇█▇▅181202201195231240230211NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems,us-gaap:Energy,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,hes:SalesOfPurchasedOilAndGas,hes:ExplorationAndProduction▁▅▄▆▆▆█▆325422407461448455504446NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems,us-gaap:Energy,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,srt:CrudeOil,hes:ExplorationAndProduction▁█▇732959924NA8108891017NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems,us-gaap:Energy,us-gaap:StatementGeographical,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,hes:NaturalGasRevenue,country:MY,hes:ExplorationAndProduction139NA160NA180NA178NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems,us-gaap:Energy,us-gaap:StatementGeographical,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,hes:SalesOfPurchasedOilAndGas,country:GY,hes:ExplorationAndProduction1000000.0NANANA0.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems,us-gaap:Energy,us-gaap:StatementGeographical,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,hes:SalesOfPurchasedOilAndGas,country:US,hes:ExplorationAndProduction▁█▆324398381NA426430482NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems,us-gaap:Energy,us-gaap:StatementGeographical,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,srt:CrudeOil,country:US,hes:ExplorationAndProduction▁█▆656788749NA682721826NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,hes:ExplorationAndProduction▁▆▅▆▄▆█▅12871650157816711557165618411581NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,hes:Midstream█▆▃▂▂▂▁▁291253215190190186184176NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments,us-gaap:SubsegmentsConsolidationItems us-gaap:OperatingSegments,hes:Midstream,us-gaap:IntersubsegmentEliminations█▆▃▂▂▂▁▁291253215190190186184176NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems,us-gaap:StatementGeographical,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,country:MY,hes:ExplorationAndProduction141NA185178201NA207193NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems,us-gaap:StatementGeographical,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,country:US,hes:ExplorationAndProduction▁▅▄▅▄▅█▄10671294121012821218127914421228NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Energy hes:NaturalGasRevenue▁▄▄▃▇█▇▅▁181202201195231240230211178NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Energy hes:SalesOfPurchasedOilAndGas▁▅▄▆▆▆█▆▂325422407461448455504446363NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Energy srt:CrudeOil▁█▇732959924NA8108891017NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:Revenues ▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▂▁▂▂▂▄█▂▃▃▆▆▆▆▅▅▆▆▅▅▅▆▅▅▄▄1369169915151697159916821828156613901236166612281275138611961269993138716891935155023452802360055061350126984105411796989619930997478824872698061051586908953775092208558738467556872
us-gaap:OperatingCostsAndExpenses ▂▃▂▁▁▂▁▁▁▃▃▃▃█▄▅▅▆▆▆▆▅▆▇▅▇▆▆█▇█▇▇303365321285266292266288288359352375359568421455436512508503478452487522466546475510585549568550535NANANANANANANANANANANANA
us-gaap:CostsAndExpenses ▂▁▁▁▁▁▁▁▁▂▃▁▁▂▁▁▁▂▁▂▂▂▁▂▃█▁▁▂▅▅▅▁▅▅▅3814176315651531143016211704153913823713423316531584309518291947182736702228264422772253217825444848133502007210724649016851782532094902285138845NANANANANANANANANA
us-gaap:GeneralAndAdministrativeExpense ▂▃▁▁▁▁▄▃▂▃▂▂▁▂▂▂▂▃▂▄▄▅▃▄▄█▄▅▄▆▅▅▅▆▅▅▅▆▄▄▄▆▄▃▄102131908987911431291101251131009610510610698140119151147164139143153240153167149201167172167187177174164197151159155203148136160
us-gaap:InterestExpense █▅▄▅▅▅▅▅▆▂▂▂▃▃▃▃▃▃▃▃▃▂▁113959097989999981038079828484848585868486858275NANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherNonoperatingIncomeExpense ▅▅▄▅▅▅▅▅▅▄▅▅▅▄▅▅▅▄▄▄▅▄▅▄▄▅▄▄▄▅▅▅▅▃▅▅▆▁█▅▅▄▅▅▅1516-65152732212137-52212-2-25194520-88-32-1812-3226-25-5820-3-17-371549529-415972348-117711722446-5616379-2
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest ▁▅▅▅▅▅▅▅▅▁▁▄▄▂▄▄▄▁▄▄▄▅▆▇▆▅▆█▇▆▇▇▆▅▅▆▇▅▇▆-2445-64-5016616961124278-2477-2567-425-309-1709-633-678-834-2283-539-709-7279262410566581516911998165368211021056898-19821396114853571291697NANANANANA
us-gaap:IncomeLossFromContinuingOperationsAttributableToNoncontrollingEntity █▆▇▆▇▆▇▇▇▇▆▆▆▄▅▅▅▅▆▄▄▁▅▄67394640433845434142313228-6221921222700-5622-1NA-6-2169723636NANANANANANANANANANANANA
us-gaap:IncomeTaxExpenseBenefit ▄▄▄▄▄▄▄▄▄▄▁▄▄█▃▃▃▃▃▃▃▄▄▄▄▃▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄-79119116132942712111473158-1974-8-133189-316-305-346-492-300-156-35116923789248-679325409470306510521338-64-5439251127420030139834118211577
 us-gaap:IncomeTaxExpenseBenefit us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,hes:Midstream▃▂▂▂▂▇▇▆▆█▁▇▇2000010109913-31011NA97NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:IncomeTaxExpenseBenefit us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,us-gaap:CorporateAndOther▄█▄▄▄▁▅▄▃▄▄▄▄-48601-1-74110-31-16-2-4-4NA-73-39NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:ProfitLoss ▄▆▆▆▆▆▆▆▆▃▅▆▆▁▆▆▆▄▆▅▆▆▇▇▆█▆█▇▆▇▇▇▆▆▇▇▆▇▆▇▆▆▆▆-2366-183-1663475343-87-65-2635-593-417-296-4898-317-373-488-1799-252-567-389-71030930421191541816161273376592535560-134267569974831091396568370352102-17
 us-gaap:ProfitLoss us-gaap:StatementEquityComponents us-gaap:NoncontrollingInterest▅▄▄▄▄▄▄▄▄▄▄▄▄▃▃▃▃▃▄▃▃▃▃▃▄▂▃█▃▃▄▂▃▃▂▂▄▃▁▃▄▃▃67394640433845434142313228-6221921222700122-135-10-2185-3235-1415-3-31-384525-6321301211NANA
us-gaap:ComprehensiveIncomeNetOfTax ▅▆▆▆▆▆▆▆▆▄▅▆▆▁▆▆▆▄▆▆▆▅▇▇▆█▆▇▇▇▇▇▇▆▆▇▇-1495-145-340-4-312292-22-8110-1891-578-300-287-5224-212-407-329-1903-425-499-483-931905823448203439214641317556661827555-331938181215NANANANANANANANA
us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest ▄▃▄▃▃▃▄▃▃▃▃▃▃▂▃▃▃▃▃▂▂▂▃▂▃▂▂█▂▂▃▂▃▂▁▁▄67394640433845434142313228-6221921222700122-135-10-2193-5338-2019-4-33-3850NANANANANANANANA
us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest ▅▆▆▆▆▆▆▆▆▄▆▆▆▁▆▆▆▄▆▆▆▅▇▇▇█▆█▇▇▇▇▇▆▆▇▇▆▇▇▇▇▇-1428-106-29436-26933023-3851-1849-547-268-259-5230-190-388-308-1881-398-499-483-930927822483202439016571312559699807574-3356078012653001323537495521629NANA
us-gaap:NetIncomeLoss ▄▆▆▆▆▆▆▆▆▃▅▆▆▁▆▆▆▄▆▅▆▆▇▇▆█▆▇▇▆▇▇▇▆▆▇▇▆▇▆▇▆▆▆▆-2433-222-212-632-4-42-130-106-2677-624-449-324-4892-339-392-509-1821-279-567-389-81008931386192542014311276374557549545-131298607929581154375538358341100-59
 us-gaap:NetIncomeLoss us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,hes:Midstream█▅▆▆▆▅▅▅▅▄▁▄▄61333935373230302820-121618NA1311NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:NetIncomeLoss us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,us-gaap:CorporateAndOther▄▁▁▅▄█▄▁▅▅▃▄▅-123-191-191-109-114-31-122-191-109-105-138-111-109NA-118-75NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic ▅████████▄▇▇▇▁▇▇▇▅█▇▇-2433-222-212-628-16-53-142-117-2689-635-460-336-4903-351-404-515-1821-279-567-389NANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:NetIncomeLossAttributableToNoncontrollingInterest ▅▄▄▄▄▄▄▄▄▄▄▄▄▃▃▃▃▃▄▃▃▃▃▃▄▂▃█▃▃▄▂▃▃▂▂▄▃▁▃▄▃▃▃▄67394640433845434142313228-6221921222700122-135-10-2185-3235-1415-3-31-384525-6321301211242
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:Assets ▁▁▁▁▁▁▁▁▁▂▃▃▃▃▅▅▅▅▆▆▆▇▇▇▇██▇███▇▇▇▆▆▆▆▅▄▄▄207172178221631216952171621433214672146422072231122660027798281002862134459342343480834195364563555836101385784097541071414244275441896414284237943441422124061440647391363733936991366373539633485295002994929465NANANA
 us-gaap:Assets us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,hes:ExplorationAndProduction▁█▇▇14302167901660316572NA16109NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:Assets us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,hes:Midstream█▇▄▁3519349934233337NA3285NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:Assets us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,us-gaap:CorporateAndOther█▁▂▂2896149316051786NA2039NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:Liabilities ▂▂▂▂▂▁▁▁▁▁▂▂▃▃▃▃▃▃▃▄▃▅▅▅▅▆▆▅▇██▇█▇▆▆▆▆▅▄▄▄125391207611454111641116310545104211012810135107581217212720128671303013544130601317413794140931445514434162581661016717171821797018054174551985422238215602065521490205441842518087185201858717657149701592215937NANANA
us-gaap:LiabilitiesAndStockholdersEquity ▁▁▁▁▁▁▁▁▁▂▃▃▃▃▅▅▅▅▆▆▆▇▇▇▇██▇███▇▇▇▆▆▆▆▅▄▄▄207172178221631216952171621433214672146422072231122660027798281002862134459342343480834195364563555836101385784097541071414244275441896414284237943441422124061440647391363733936991366373539633485295002994929465NANANA
us-gaap:StockholdersEquity ▁▂▂▂▂▂▂▂▂▃▃▄▄▄▆▆▆▆▇▇▇▇██████▇▇▆▆▆▆▆▆▅▅▄▄▄▃7200873289089294934296299650997210605110511313213780141481453419838201192059819386213312110321667222052424924257241442472023769238972241821090205421988719063185161883318776179491668915730143651385513384NANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:AssetsCurrent ▂▁▁▁▂▂▂▂▃▄▂▂▂▂▂▂▃▂▃▂▂▄▆▆▄▆▆▇█▅▅▅▅▅▅▆▆▆▆▅▆▅4270315633983684383444594501469450146157408342704171427648934631494544045597392643236687886587677048859992579992114188387815779258212833974798886943687808839829687807987NANANA
us-gaap:CashAndCashEquivalentsAtCarryingValue ▄▃▃▄▄▅▅▅▆█▄▄▅▅▆▅▆▅▅▂▃▄▇▄▂▃▁▂▁▁▁▁▁▁▂▄▄▃▄▃▃▃▂▂▂2080154518632208230026943004290837264847252624922686273235293095355727163013931150624444120220512881814321725444642528409396351827219419681608235313631370136295710631157
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us-gaap:InventoryRawMaterialsAndSupplies ▁▂▄▃▂▂▂▂▂▂▆▅▅▅▇▆▆▅█▆156169217196178171182173175173262242240246299282272255318280NA281NANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherAssetsCurrent ▁▁▁▁▁▃▁▁▁▁▁▁▁▁▁▁▁▁▃▃▃▆▄▄▅▅▄▃▄██▆▆▆▄▃▃▄▄▆▆▅6818012413814451952595254142124196195108111120130527632560164386987111141209822750903214821671699142115549738077591002865143415021263NANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:PropertyPlantAndEquipmentGross ▂▃▃▃▃▂▂▂▂▂███▇███▇██▇▇▇▇█▇▆▅▅▇▆▆▆▅▅▄▄▃▂▁▁▁317043582034955340983344633222326193204032906325044785547058472504690748416479084769346826481384787846958465224614245157470574595043121411954025545553442664213041594397104043238378370323570333042295392909929871NANANA
us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment ▃▄▄▄▃▃▃▃▃▃█▆▆▆▆▅▅▅▅▅▄▄▄▃▃▃▂▂▂▃▃▂▂▂▃▃▂▂▂▁▁▁168931900618506179911754817139166061617116725163122757624265240492331222879221392145220474212552058019750190051847517921178911717915707150251460416746161221557415542149981626515850152731457613958130041256313244NANANA
us-gaap:PropertyPlantAndEquipmentNet ▁▂▂▂▂▂▂▂▂▂▄▅▅▅▆▆▇▇▇▇▇▇▇▇██▇▇▆██▇▆▆▆▅▄▄▃▂▂▂148111681416449161071589816083160131586916181161922027922793232012359525537257692624126352268832729827208275172766727236291662877127414261702565128807281442655626052247122416722528217592112719084165351653616627NANANA
 us-gaap:PropertyPlantAndEquipmentNet us-gaap:Ownership hes:HessMidstreamLP█▁30293010NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:Goodwill ▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▅▅▆▆▆▆▇▆▆▆▆▇▇███████▇▄▄▄360360360360360360360360360360360350375375375375375375147314731858185818581858198418691869186918692208220822662293230523832388239424082045121812181225NANANA
us-gaap:OtherAssetsNoncurrent ██▇▇▇▆▇▆▅▃▄▃▂▂▄▄▄▄▄▃▃▃▆▆▆▆▂▁▃▅▄▄▄▅▇▅▅▅▁▁▁▂626626571586557510583523495382398360330316397416415411394357356347500498534509298264362470430444444455597487479471272271285304NANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:LiabilitiesCurrent ▁▂▁▁▁▁▁▁▁▂▁▁▁▁▂▁▁▂▂▃▃▄▄▄▅▆▆▆█▇▇▆▇▇▆▆▆▇▆▅▆▆194725102344233222712203195819451904243522142118212622512617213921932628262434933467485150155257598165586923673389068382784870848191810066066796735176136567633071656850NANANA
us-gaap:LongTermDebtCurrent ▁▁▁▁▁▂▂▂▃▇▂▂▂▂█▂▂▂▂30151412678587196580122121116112666102948678NANA68NANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:AccountsPayableCurrent ▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▂▂▃▃▄▄▁▁▁▅▅▅▇▇▆▇██▇▇██43141139635339949538336337543542150456543345852534645753761668170817121529206721094535655712809254327073891371234863761430442744071385545014223NANANA
us-gaap:TaxesPayableCurrent ▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▃▃▃▃▂▄▄▃▃▅▇▆▅█▆▆▆▆▅▄▄▅▄339710495898196498283101631029760919388793132902942822785785203853587519607797001178812818849913726537486627525NANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:LongTermDebtNoncurrent █▅▃▃▃▃▃▂▂▃▃▃▃▃▃▃▃▃▃▁▁▁8191714265266511655066056609635263726397659266126669669466716450649865446474588859115919NANANA5798NANANA8111NANANA6040NANANA5569NANANANANANANA
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us-gaap:MinorityInterest ▆▆▇▇▇▇████▇█▆▆▆▆▆▆▆▁978974126912371211125913961364133213031296129810851057107710551036101510320NA11511697986473761071131107294768112816812098165172144NANANA
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  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:StockholdersEquity ▁▂▂▂▂▂▂▂▂▃▃▄▄▄▆▆▆▆▇▇▇▇██████▇▇▆▆▆▆▆▆▅▅▄▄▄▃7200873289089294934296299650997210605110511313213780141481453419838201192059819386213312110321667222052424924257241442472023769238972241821090205421988719063185161883318776179491668915730143651385513384NANANA
us-gaap:CommonStockValue ▄▃▃▃▃▂▂▃▄▅▅▅▅▅▅▅▅▁▁▁▁▁▃▄▄▆▇██████████▇▆▆▆▆307305305304304291296300308315318318318317317317317286286287287286299308314325338343343342342342342340340340340338328328328327NANANA
us-gaap:RetainedEarningsAccumulatedDeficit ▁▂▂▂▂▂▂▂▂▃▄▄▄▄▆▆▆▆▇▇▇███████▇▇▇▆▆▆▆▆▆▆▆▅▅▅10213535383641254207425744104692516655978438915396921014715129155591604216637185301892319578200522102020879206932123520279203691895817717173771685416337158261599115725151511425414229131051276112251NANANA
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax █▅▄▅▅▆▅▅▅▅▂▂▁▁▂▂▂▁▂▂▂▂▅▆▆▆▆▆▆▅▅▄▃▃▄▅▄▃▂▂▁▁239-699-776-648-650-306-502-522-571-686-1472-1518-1667-1704-1372-1499-1484-1664-1582-1436-1504-1410-487-384-276-338-447-419-452-493-675-779-1057-1067-867-662-873-1159-1377-1603-1749-1675NANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:NetCashProvidedByUsedInOperatingActivities ▄▃▄▆▂█▄▄▂▃▁44528644367523888142342521034388NANA326332197-606232827143621057133891111581550125412478191570186212409881138102216891135147812469818251271534616625
us-gaap:NetCashProvidedByUsedInInvestingActivities ▁▁▁▂▁▁▃▂▂█▃-818-825-721-617-680-6655-484-422195990NANA-424-526-527-613-909-956-1189-1152-15381569232-2621390-1487936-261-1669-1617-1993-1772-2091-2320-1421-734-2266-1451-920-622-957-610-667-690
us-gaap:NetCashProvidedByUsedInFinancingActivities █▅▄▄▅▂▃▂▁▅▄908221-67-15048-526-332-759-90919-144NANA-699628-1321514-112756-100-148-1195-992-226-1422-1447-171-1902-756213-126766829477-69-42-41431195-68-19591-30-43314
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:NetCashProvidedByUsedInOperatingActivities ▄▃▄▆▂█▄▄▂▃▁44528644367523888142342521034388NANA326332197-606232827143621057133891111581550125412478191570186212409881138102216891135147812469818251271534616625
us-gaap:NetIncomeLoss ▄▆▆▆▆▆▆▆▆▃▅▆▆▁▆▆▆▄▆▅▆▆▇▇▆█▆▇▇▆▇▇▇▆▆▇▇▆▇▆▇▆▆▆▆-2433-222-212-632-4-42-130-106-2677-624-449-324-4892-339-392-509-1821-279-567-389-81008931386192542014311276374557549545-131298607929581154375538358341100-59
 us-gaap:NetIncomeLoss us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,hes:Midstream█▅▆▆▆▅▅▅▅▄▁▄▄61333935373230302820-121618NA1311NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:NetIncomeLoss us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,us-gaap:CorporateAndOther▄▁▁▅▄█▄▁▅▅▃▄▅-123-191-191-109-114-31-122-191-109-105-138-111-109NA-118-75NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:ProfitLoss ▄▆▆▆▆▆▆▆▆▃▅▆▆▁▆▆▆▄▆▅▆▆▇▇▆█▆█▇▆▇▇▇▆▆▇▇▆▇▆▇▆▆▆▆-2366-183-1663475343-87-65-2635-593-417-296-4898-317-373-488-1799-252-567-389-71030930421191541816161273376592535560-134267569974831091396568370352102-17
 us-gaap:ProfitLoss us-gaap:StatementEquityComponents us-gaap:NoncontrollingInterest▅▄▄▄▄▄▄▄▄▄▄▄▄▃▃▃▃▃▄▃▃▃▃▃▄▂▃█▃▃▄▂▃▃▂▂▄▃▁▃▄▃▃67394640433845434142313228-6221921222700122-135-10-2185-3235-1415-3-31-384525-6321301211NANA
us-gaap:DepreciationDepletionAndAmortization ▃▃▂▂▂▂▂▁▁▄▅▅▅▅▆▅▆▇██▇▆▆▅▅▅▄▃▄▅▅▅▄▄▃▃▃▃▃▃▂▄▃▃▂5615865444944985334894444176467597417377688117978689839881028956875837787752797681613679751748769681674586588558633584558542638626558486
 us-gaap:DepreciationDepletionAndAmortization us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,hes:ExplorationAndProduction▄▄▄▃▃▃▃▁▁▆███521547507459464499457407385616709708703NA779765NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet ▄█▄▄▅▅▄▅▅▃██▅▁▆▄█▅▄▄▇201332085552102733-1113612845-88741913740105109NANA365231NANANANA357-53033424562611-30832516-136903-432-6706063240
us-gaap:IncreaseDecreaseInInventories ▃▄▆▅▇▄▇▅▅▆▅▅█▁▆▃▆▃▃▆▇-31-2811429-2336-8716-4-355-7624-3813-46-302027NANANANANANANANANANANANANANANANANANANANANANANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:NetCashProvidedByUsedInInvestingActivities ▁▁▁▂▁▁▃▂▂█▃-818-825-721-617-680-6655-484-422195990NANA-424-526-527-613-909-956-1189-1152-15381569232-2621390-1487936-261-1669-1617-1993-1772-2091-2320-1421-734-2266-1451-920-622-957-610-667-690
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:NetCashProvidedByUsedInFinancingActivities █▅▄▄▅▂▃▂▁▅▄908221-67-15048-526-332-759-90919-144NANA-699628-1321514-112756-100-148-1195-992-226-1422-1447-171-1902-756213-126766829477-69-42-41431195-68-19591-30-43314
us-gaap:ProceedsFromIssuanceOfLongTermDebt 1000NANANA00000800000-51496051106000000NANA035001851824513390408100417126100744NANANA
us-gaap:RepaymentsOfLongTermDebt ▁▁▁▁▁▁▁▂▅▄▁▂▁▆▇▁▁▁▁▁▁▁▂▂▄▁▄█▁▁▁▄▂▂▁▁▁▁▁▁▂▆▁0032323191574343523051266307654317161717173753167333-1941385324124326825011435121115142656-1NANA
us-gaap:PaymentsForRepurchaseOfCommonStock ▁▁▁▁▁▃▂▄▃▂▁▁▁▁▁▁▁▁▁▁▁█▇▅█▇0000252452305193711100000000064116710779036921043993NANANANANANANANANANANANANANANANANANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:RepaymentsOfLongTermDebt ▁▁▁▁▁▁▁▂▅▄▁▂▁▆▇▁▁▁▁▁▁▁▂▂▄▁▄█▁▁▁▄▂▂▁▁▁▁▁▁▂▆▁0032323191574343523051266307654317161717173753167333-1941385324124326825011435121115142656-1NANA

Common Stock Value

us-gaap:CommonStockValue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value307305305304304291296300308315318318318317317317317286286287287286299308314325338343343342342342342340340340340338328328328327326
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.51.41.41.41.41.41.41.41.41.41.21.11.11.10.90.90.90.80.80.80.80.70.70.70.80.80.80.80.80.80.80.80.80.90.90.90.91.01.01.11.11.11.1

Common Stock Par Or Stated Value Per Share

Common Stock Shares Issued

us-gaap:CommonStockSharesIssued



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value307304304304304291296299308315317317317316316316316286286287287285298307314325337343343341341341341339339339339337328328328327326320
Percentage of CommonStockSharesIssued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Common Stock Shares Outstanding

Common Stock Shares Authorized

Weighted Average Number Of Diluted Shares Outstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-312009-09-302009-06-302009-03-31
Value304302302299294297309314314313313313299283284283305314322343344342339340340340340339327327327326325323
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Shares Outstanding Basic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-312009-09-302009-06-30
Value304302302297294297309314314313313313299283284283300309318339340339338338337337337335325325324324323
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Basic

us-gaap:EarningsPerShareBasic



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value-8.0-0.7400000000000001-0.7-0.020.09-0.06000000000000005-0.18-0.48-0.38-8.57-2.02-1.46-1.07-15.810000000000002-1.12-1.29-1.72-6.43-0.98-1.99-1.370.089999999999999863.353.011.215.7899999999999991.244.213.761.10000000000000051.651.621.61-0.400000000000000360.891.82.770.159999999999999253.541.151.661.09999999999999991.050.31-0.18
Percentage of EarningsPerShareBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Diluted

us-gaap:EarningsPerShareDiluted



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value-8.0-0.7400000000000001-0.7-0.020.09-0.06000000000000005-0.18-0.48-0.38-8.57-2.02-1.46-1.07-15.810000000000002-1.12-1.29-1.72-6.43-0.98-1.99-1.370.089999999999999863.312.961.25.7100000000000011.234.163.721.10000000000000051.641.611.6-0.390000000000000570.881.782.740.160000000000000143.521.151.651.11.050.31-0.18
Percentage of EarningsPerShareDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Income Loss From Continuing Operations Per Basic Share

Income Loss From Continuing Operations Per Diluted Share

Revenue From Contract With Customer Excluding Assessed Tax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value1287165015781671155716561841158113801236166612281275138611961269993138716891935155023452802360055061350126984105411796989619930997478824872698061051586908953775092208558738467556872
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidationItems

us-gaap:IntersegmentElimination



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-291-253-215-190-190-186-184-176-167
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-22.6-15.3-13.6-11.4-12.2-11.2-10.0-11.1-12.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-22.6-15.3-13.6-11.4-12.2-11.2-10.0-11.1-12.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:IntersegmentElimination100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidationItems, us-gaap:Energy, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, hes:NaturalGasLiquidsRevenue, hes:ExplorationAndProduction



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value4967464868729075
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.84.12.92.94.44.34.94.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.84.12.92.94.44.34.94.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments hes:NaturalGasLiquidsRevenue hes:ExplorationAndProduction100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, hes:NaturalGasRevenue, hes:ExplorationAndProduction



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value181202201195231240230211
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax14.112.212.711.714.814.512.513.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax14.112.212.711.714.814.512.513.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments hes:NaturalGasRevenue hes:ExplorationAndProduction100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, hes:SalesOfPurchasedOilAndGas, hes:ExplorationAndProduction



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value325422407461448455504446
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax25.325.625.827.628.827.527.428.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax25.325.625.827.628.827.527.428.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments hes:SalesOfPurchasedOilAndGas hes:ExplorationAndProduction100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, srt:CrudeOil, hes:ExplorationAndProduction



Period End2020-03-312019-12-312019-09-302019-03-312018-12-312018-09-30
Value7329599248108891017
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax56.958.158.652.053.755.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax56.958.158.652.053.755.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments srt:CrudeOil hes:ExplorationAndProduction100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidationItems, us-gaap:Energy, us-gaap:StatementGeographical, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, hes:NaturalGasLiquidsRevenue, country:US, hes:ExplorationAndProduction



Period End2020-03-312019-12-312019-09-302019-03-312018-12-312018-09-30
Value496746687290
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.84.12.94.44.34.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.84.12.94.44.34.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments hes:NaturalGasLiquidsRevenue country:US hes:ExplorationAndProduction100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, hes:NaturalGasRevenue, country:DK, hes:ExplorationAndProduction



Period End2020-03-312019-09-302019-03-312018-09-30
Value2233
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.20.10.20.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.20.10.20.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments hes:NaturalGasRevenue country:DK hes:ExplorationAndProduction100.0100.0100.0100.0

us-gaap:OperatingSegments, hes:NaturalGasRevenue, country:LY, hes:ExplorationAndProduction



Period End2020-03-312019-09-302019-03-312018-09-30
Value2565
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.20.30.40.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.20.30.40.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments hes:NaturalGasRevenue country:LY hes:ExplorationAndProduction100.0100.0100.0100.0

us-gaap:OperatingSegments, hes:NaturalGasRevenue, country:MY, hes:ExplorationAndProduction



Period End2020-03-312019-09-302019-03-312018-09-30
Value139160180178
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax10.810.111.69.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax10.810.111.69.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments hes:NaturalGasRevenue country:MY hes:ExplorationAndProduction100.0100.0100.0100.0

us-gaap:OperatingSegments, hes:NaturalGasRevenue, country:US, hes:ExplorationAndProduction



Period End2020-03-312019-12-312019-09-302019-03-312018-12-312018-09-30
Value384134425644
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.02.52.22.73.42.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.02.52.22.73.42.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments hes:NaturalGasRevenue country:US hes:ExplorationAndProduction100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, hes:SalesOfPurchasedOilAndGas, country:GY, hes:ExplorationAndProduction



Period End2020-03-312019-03-31
Value1000000.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments hes:SalesOfPurchasedOilAndGas country:GY hes:ExplorationAndProduction100.00.0

us-gaap:OperatingSegments, hes:SalesOfPurchasedOilAndGas, country:LY, hes:ExplorationAndProduction



Period End2020-03-312019-09-302019-03-312018-09-30
Value0232222
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.01.51.41.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.01.51.41.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments hes:SalesOfPurchasedOilAndGas country:LY hes:ExplorationAndProduction0.0100.0100.0100.0

us-gaap:OperatingSegments, hes:SalesOfPurchasedOilAndGas, country:MY, hes:ExplorationAndProduction



Period End2020-03-312019-09-302019-03-312018-09-30
Value0300
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.20.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.20.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments hes:SalesOfPurchasedOilAndGas country:MY hes:ExplorationAndProduction0.0100.00.00.0

us-gaap:OperatingSegments, hes:SalesOfPurchasedOilAndGas, country:US, hes:ExplorationAndProduction



Period End2020-03-312019-12-312019-09-302019-03-312018-12-312018-09-30
Value324398381426430482
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax25.224.124.127.426.026.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax25.224.124.127.426.026.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments hes:SalesOfPurchasedOilAndGas country:US hes:ExplorationAndProduction100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, srt:CrudeOil, country:DK, hes:ExplorationAndProduction



Period End2020-03-312019-09-302019-03-312018-09-30
Value36311654
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.82.01.02.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.82.01.02.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments srt:CrudeOil country:DK hes:ExplorationAndProduction100.0100.0100.0100.0

us-gaap:OperatingSegments, srt:CrudeOil, country:GY, hes:ExplorationAndProduction



Period End2020-03-312019-03-31
Value380
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments srt:CrudeOil country:GY hes:ExplorationAndProduction100.00.0

us-gaap:OperatingSegments, srt:CrudeOil, country:LY, hes:ExplorationAndProduction



Period End2020-03-312019-09-302019-03-312018-09-30
Value012291108
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.07.75.85.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.07.75.85.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments srt:CrudeOil country:LY hes:ExplorationAndProduction0.0100.0100.0100.0

us-gaap:OperatingSegments, srt:CrudeOil, country:MY, hes:ExplorationAndProduction



Period End2020-03-312019-09-302019-03-312018-09-30
Value2222129
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.21.41.31.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.21.41.31.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments srt:CrudeOil country:MY hes:ExplorationAndProduction100.0100.0100.0100.0

us-gaap:OperatingSegments, srt:CrudeOil, country:US, hes:ExplorationAndProduction



Period End2020-03-312019-12-312019-09-302019-03-312018-12-312018-09-30
Value656788749682721826
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax51.047.847.543.843.544.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax51.047.847.543.843.544.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments srt:CrudeOil country:US hes:ExplorationAndProduction100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, hes:ExplorationAndProduction



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value12871650157816711557165618411581
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments hes:ExplorationAndProduction100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, hes:Midstream



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value291253215190190186184176
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax22.615.313.611.412.211.210.011.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax22.615.313.611.412.211.210.011.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments hes:Midstream100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments, us-gaap:SubsegmentsConsolidationItems

us-gaap:OperatingSegments, hes:Midstream, us-gaap:IntersubsegmentEliminations



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value291253215190190186184176
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax22.615.313.611.412.211.210.011.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax22.615.313.611.412.211.210.011.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments hes:Midstream us-gaap:IntersubsegmentEliminations100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidationItems, us-gaap:StatementGeographical, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, country:DK, hes:ExplorationAndProduction



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value383353195721
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.02.13.21.23.11.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.02.13.21.23.11.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments country:DK hes:ExplorationAndProduction100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, country:GY, hes:ExplorationAndProduction



Period End2020-03-312019-03-31
Value390
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments country:GY hes:ExplorationAndProduction100.00.0

us-gaap:OperatingSegments, country:LY, hes:ExplorationAndProduction



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value2150158119135139
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.29.59.57.67.38.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.29.59.57.67.38.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments country:LY hes:ExplorationAndProduction100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, country:MY, hes:ExplorationAndProduction



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value141185178201207193
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax11.011.710.712.911.212.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax11.011.710.712.911.212.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments country:MY hes:ExplorationAndProduction100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, country:US, hes:ExplorationAndProduction



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value10671294121012821218127914421228
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax82.978.476.776.778.277.278.377.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax82.978.476.776.778.277.278.377.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments country:US hes:ExplorationAndProduction100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidationItems, us-gaap:SubsegmentsConsolidationItems

us-gaap:IntersegmentElimination, us-gaap:IntersubsegmentEliminations



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-291-253-215-190-190-186-184-176-167
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-22.6-15.3-13.6-11.4-12.2-11.2-10.0-11.1-12.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-22.6-15.3-13.6-11.4-12.2-11.2-10.0-11.1-12.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:IntersegmentElimination us-gaap:IntersubsegmentEliminations100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Energy

hes:NaturalGasLiquidsRevenue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value496746486872907571
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.84.12.92.94.44.34.94.75.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.84.12.92.94.44.34.94.75.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax hes:NaturalGasLiquidsRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0

hes:NaturalGasRevenue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value181202201195231240230211178
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax14.112.212.711.714.814.512.513.312.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax14.112.212.711.714.814.512.513.312.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax hes:NaturalGasRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0

hes:SalesOfPurchasedOilAndGas



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value325422407461448455504446363
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax25.325.625.827.628.827.527.428.226.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax25.325.625.827.628.827.527.428.226.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax hes:SalesOfPurchasedOilAndGas100.0100.0100.0100.0100.0100.0100.0100.0100.0

srt:CrudeOil



Period End2020-03-312019-12-312019-09-302019-03-312018-12-312018-09-30
Value7329599248108891017
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax56.958.158.652.053.755.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax56.958.158.652.053.755.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:CrudeOil100.0100.0100.0100.0100.0100.0

Revenues

us-gaap:Revenues



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value1369169915151697159916821828156613901236166612281275138611961269993138716891935155023452802360055061350126984105411796989619930997478824872698061051586908953775092208558738467556872
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax106.4103.096.0101.6102.7101.699.399.1100.7100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Operating Costs And Expenses

us-gaap:OperatingCostsAndExpenses



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value303365321285266292266288288359352375359568421455436512508503478452487522466546475510585549568550535
Percentage of OperatingCostsAndExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax23.522.120.317.117.117.614.418.220.929.021.130.528.241.035.235.943.936.930.126.030.819.317.414.58.54.017.612.414.25.75.95.95.5

Costs And Expenses

us-gaap:CostsAndExpenses



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value3814176315651531143016211704153913823713423316531584309518291947182736702228264422772253217825444848133502007210724649016851782532094902285138845
Percentage of CostsAndExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax296.3106.899.291.691.897.992.697.3100.1300.4254.1134.6124.2223.3152.9153.4184.0264.6131.9136.6146.996.177.770.788.098.974.451.359.893.088.588.721.5102.297.690.2

General And Administrative Expense

us-gaap:GeneralAndAdministrativeExpense



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value102131908987911431291101251131009610510610698140119151147164139143153240153167149201167172167187177174164197151159155203148136160
Percentage of GeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.97.95.75.35.65.57.88.28.010.16.88.17.57.68.98.49.910.17.07.89.57.05.04.02.81.85.74.13.62.11.71.81.72.12.01.81.62.31.72.11.72.42.02.02.3

Interest Expense

us-gaap:InterestExpense



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value113959097989999981038079828484848585868486858275
Percentage of InterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax8.85.85.75.86.36.05.46.27.56.54.76.76.66.17.06.78.66.25.04.45.53.52.7

Interest Expense Debt

Other Nonoperating Income Expense

us-gaap:OtherNonoperatingIncomeExpense



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value1516-65152732212137-52212-2-25194520-88-32-1812-3226-25-5820-3-17-371549529-415972348-117711722446-5616379-2
Percentage of OtherNonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.21.0-4.10.91.71.91.11.32.7-0.41.31.0-0.2-1.81.63.52.0-6.3-1.9-0.90.8-1.40.9-0.7-1.10.1-0.1-0.4-0.90.20.50.10.3-4.71.10.03.3-13.513.10.30.5-0.72.21.2-0.0

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

Income Loss From Continuing Operations

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

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value-2445-64-5016616961124278-2477-2567-425-309-1709-633-678-834-2283-539-709-7279262410566581516911998165368211021056898-19821396114853571291697
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 RevenueFromContractWithCustomerExcludingAssessedTax-190.0-3.9-3.29.910.93.76.71.70.6-200.4-154.1-34.6-24.2-123.3-52.9-53.4-84.0-164.6-31.9-36.6-46.93.922.329.312.01.125.648.740.27.011.511.39.2-2.22.49.814.14.114.49.0

Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest

Income Loss From Continuing Operations Before Income Taxes Domestic

Income Loss From Continuing Operations Before Income Taxes Foreign

Income Loss From Continuing Operations Attributable To Noncontrolling Entity

us-gaap:IncomeLossFromContinuingOperationsAttributableToNoncontrollingEntity



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value67394640433845434142313228-6221921222700-5622-1-6-2169723636
Percentage of IncomeLossFromContinuingOperationsAttributableToNoncontrollingEntity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.22.42.92.42.82.32.42.73.03.41.92.62.2-0.41.81.52.11.61.60.00.0-2.40.8-0.0-0.0-0.14.10.20.20.10.00.1

Income Tax Expense Benefit

us-gaap:IncomeTaxExpenseBenefit



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value-79119116132942712111473158-1974-8-133189-316-305-346-492-300-156-35116923789248-679325409470306510521338-64-5439251127420030139834118211577
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-6.17.27.47.96.01.66.67.25.312.8-118.5-0.7-1.0230.1-26.4-24.0-34.8-35.5-17.8-8.1-22.67.28.52.54.5-5.012.010.011.43.25.35.63.5-0.7-0.64.04.93.22.23.94.34.02.51.71.1

us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, hes:ExplorationAndProduction



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-09-302016-06-30
Value-7733116131959110010595161-1969-14-20-252-273
Percentage of IncomeTaxExpenseBenefit97.527.7100.099.2101.1337.082.692.1130.1101.999.7175.0153.879.789.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-6.02.07.47.86.15.55.46.66.913.0-118.2-1.1-1.6-21.1-21.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments hes:ExplorationAndProduction-6.02.07.47.86.15.55.46.60.00.00.00.00.00.00.0

us-gaap:OperatingSegments, hes:Midstream



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-09-302016-06-30
Value2000010109913-3101197
Percentage of IncomeTaxExpenseBenefit-2.50.00.00.00.037.08.37.912.38.20.2-125.0-84.6-2.8-2.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.20.00.00.00.00.60.50.60.71.1-0.20.80.90.80.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments hes:Midstream0.70.00.00.00.05.45.45.10.00.00.00.00.00.00.0

us-gaap:OperatingSegments, us-gaap:CorporateAndOther



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-09-302016-06-30
Value-48601-1-74110-31-16-2-4-4-73-39
Percentage of IncomeTaxExpenseBenefit5.172.30.00.8-1.1-274.19.10.0-42.5-10.10.150.030.823.112.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.35.20.00.1-0.1-4.50.60.0-2.2-1.3-0.1-0.3-0.3-6.1-3.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments us-gaap:CorporateAndOther0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Income Taxes Paid Net

Profit Loss

us-gaap:ProfitLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value-2366-183-1663475343-87-65-2635-593-417-296-4898-317-373-488-1799-252-567-389-71030930421191541816161273376592535560-134267569974831091396568370352102-17
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-183.8-11.1-10.52.04.82.10.2-5.5-4.7-213.2-35.6-34.0-23.2-353.4-26.5-29.4-49.1-129.7-14.9-29.3-25.1-0.336.825.87.614.215.539.430.93.96.25.75.7-1.53.15.89.31.012.25.16.24.34.81.5-0.2

us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-30
Value67394640433845434142313228-6221921222700122-135-10-2185-3235-1415-3-31-384525-6321301211
Percentage of ProfitLoss-2.8-21.3-27.7117.657.3111.81500.0-49.4-63.1-1.6-5.2-7.7-9.50.1-6.9-5.1-4.3-1.2-10.7-0.0-0.0-14.32.1-0.18.3-0.5-0.511.4-0.20.55.9-2.62.72.2-11.6-6.74.630.1-5.85.35.33.23.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.22.42.92.42.82.32.42.73.03.41.92.62.2-0.41.81.52.11.61.60.00.00.00.8-0.00.6-0.1-0.14.5-0.10.00.4-0.20.2-0.0-0.4-0.40.40.3-0.70.30.30.10.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Parent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-30
Value-2433-222-212-632-4-42-130-106-2677-624-449-324-4892-339-392-509-1821-279-567-389-81008931386192542014311276374557549545-131298607929581154375538358341
Percentage of ProfitLoss102.8121.3127.7-17.642.7-11.8-1400.0149.4163.1101.6105.2107.7109.599.9106.9105.1104.3101.2110.7100.0100.0114.397.9100.191.7100.5100.588.6100.299.594.1102.697.397.8111.6106.795.469.9105.894.794.796.896.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-189.0-13.5-13.4-0.42.1-0.2-2.3-8.2-7.7-216.6-37.5-36.6-25.4-353.0-28.3-30.9-51.3-131.3-16.5-29.3-25.1-0.336.025.97.014.315.634.931.03.95.85.95.6-1.53.46.28.80.712.94.85.84.24.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value-2433-222-212-632-4-42-130-106-2677-624-449-324-4892-339-392-509-1821-279-567-389-81008931386192542014311276374557549545-131298607929
Percentage of ProfitLoss102.8121.3127.7-17.642.7-11.8-1400.0149.4163.1101.6105.2107.7109.599.9106.9105.1104.3101.2110.7100.0100.0114.397.9100.191.7100.5100.588.6100.299.594.1102.697.397.8111.6106.795.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-189.0-13.5-13.4-0.42.1-0.2-2.3-8.2-7.7-216.6-37.5-36.6-25.4-353.0-28.3-30.9-51.3-131.3-16.5-29.3-25.1-0.336.025.97.014.315.634.931.03.95.85.95.6-1.53.46.28.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Comprehensive Income Net Of Tax

us-gaap:ComprehensiveIncomeNetOfTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value-1495-145-340-4-312292-22-8110-1891-578-300-287-5224-212-407-329-1903-425-499-483-931905823448203439214641317556661827555-331938181215
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-116.2-8.8-21.5-0.2-20.017.6-1.2-5.10.7-153.0-34.7-24.4-22.5-376.9-17.7-32.1-33.1-137.2-25.2-25.8-31.2-39.732.322.98.115.114.535.732.05.76.98.95.7-3.81.18.311.6

Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value67394640433845434142313228-6221921222700122-135-10-2193-5338-2019-4-33-3850
Percentage of ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.22.42.92.42.82.32.42.73.03.41.92.62.2-0.41.81.52.11.61.60.00.00.00.8-0.00.6-0.1-0.14.7-0.10.00.4-0.20.2-0.0-0.4-0.40.5

Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-30
Value-1428-106-29436-26933023-3851-1849-547-268-259-5230-190-388-308-1881-398-499-483-930927822483202439016571312559699807574-3356078012653001323537495521629
Percentage of ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-111.0-6.4-18.62.2-17.319.91.2-2.43.7-149.6-32.8-21.8-20.3-377.3-15.9-30.6-31.0-135.6-23.6-25.8-31.2-39.733.122.88.815.014.540.431.95.87.38.75.9-3.80.78.012.03.514.86.95.46.18.5

Net Income Loss

us-gaap:NetIncomeLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value-2433-222-212-632-4-42-130-106-2677-624-449-324-4892-339-392-509-1821-279-567-389-81008931386192542014311276374557549545-131298607929581154375538358341100-59
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-189.0-13.5-13.4-0.42.1-0.2-2.3-8.2-7.7-216.6-37.5-36.6-25.4-353.0-28.3-30.9-51.3-131.3-16.5-29.3-25.1-0.336.025.97.014.315.634.931.03.95.85.95.6-1.53.46.28.80.712.94.85.84.24.61.5-0.9

us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, hes:ExplorationAndProduction



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-09-302016-06-30
Value-2371-64-6068109-55031-25-2592-474-354-233-234-328
Percentage of NetIncomeLoss97.528.828.3-1133.3340.6125.0-119.0-23.823.696.876.078.871.969.083.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-184.2-3.9-3.84.17.0-0.32.72.0-1.8-209.7-28.5-28.8-18.3-19.6-25.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments hes:ExplorationAndProduction-184.2-3.9-3.84.17.0-0.32.72.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, hes:Midstream



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-09-302016-06-30
Value61333935373230302820-1216181311
Percentage of NetIncomeLoss-2.5-14.9-18.4-583.3115.6-800.0-71.4-23.1-26.4-0.71.9-3.6-5.6-3.8-2.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.72.02.52.12.41.91.61.92.01.6-0.71.31.41.10.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments hes:Midstream21.013.018.118.419.517.216.317.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, us-gaap:CorporateAndOther



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-09-302016-06-30
Value-123-191-191-109-114-31-122-191-109-105-138-111-109-118-75
Percentage of NetIncomeLoss5.186.090.11816.7-356.2775.0290.5146.9102.83.922.124.733.634.819.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-9.6-11.6-12.1-6.5-7.3-1.9-6.6-12.1-7.9-8.5-8.3-9.0-8.5-9.9-5.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments us-gaap:CorporateAndOther0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Income Loss Available To Common Stockholders Basic

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value-2433-222-212-628-16-53-142-117-2689-635-460-336-4903-351-404-515-1821-279-567-389
Percentage of NetIncomeLossAvailableToCommonStockholdersBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-189.0-13.5-13.4-0.41.8-1.0-2.9-9.0-8.5-217.6-38.1-37.5-26.4-353.8-29.3-31.8-51.9-131.3-16.5-29.3-25.1

Net Income Loss Attributable To Noncontrolling Interest

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value67394640433845434142313228-6221921222700122-135-10-2185-3235-1415-3-31-384525-6321301211242
Percentage of NetIncomeLossAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.22.42.92.42.82.32.42.73.03.41.92.62.2-0.41.81.52.11.61.60.00.00.00.8-0.00.6-0.1-0.14.5-0.10.00.4-0.20.2-0.0-0.4-0.40.40.3-0.70.30.30.10.10.00.6

Assets

us-gaap:Assets



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value20717217822163121695217162143321467214642207223112266002779828100286213445934234348083419536456355583610138578409754107141424427544189641428423794344142212406144064739136373393699136637353963348529500299492946528589
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, hes:ExplorationAndProduction



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value1430216790166031657216109
Percentage of Assets69.077.176.876.475.2
Percentage of Assets69.077.176.876.475.2
Percentage of Assets us-gaap:OperatingSegments hes:ExplorationAndProduction100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, hes:Midstream



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value35193499342333373285
Percentage of Assets17.016.115.815.415.3
Percentage of Assets17.016.115.815.415.3
Percentage of Assets us-gaap:OperatingSegments hes:Midstream100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, us-gaap:CorporateAndOther



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value28961493160517862039
Percentage of Assets14.06.97.48.29.5
Percentage of Assets14.06.97.48.29.5
Percentage of Assets us-gaap:OperatingSegments us-gaap:CorporateAndOther100.0100.0100.0100.0100.0

Liabilities

us-gaap:Liabilities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value12539120761145411164111631054510421101281013510758121721272012867130301354413060131741379414093144551443416258166101671717182179701805417455198542223821560206552149020544184251808718520185871765714970159221593716198
Percentage of Liabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets60.555.453.051.551.449.248.547.245.946.545.845.845.845.539.338.137.840.338.740.740.042.140.540.741.542.043.142.146.851.251.150.952.952.549.348.950.552.552.750.753.254.156.7

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value20717217822163121695217162143321467214642207223112266002779828100286213445934234348083419536456355583610138578409754107141424427544189641428423794344142212406144064739136373393699136637353963348529500299492946528589
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Stockholders Equity

us-gaap:StockholdersEquity



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value720087328908929493429629965099721060511051131321378014148145341983820119205981938621331211032166722205242492425724144247202376923897224182109020542198871906318516188331877617949166891573014365138551338412307
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets34.840.141.242.843.044.945.046.548.047.849.449.650.350.857.658.859.256.758.559.360.057.659.259.158.357.856.757.752.948.548.749.046.947.350.450.849.047.147.048.746.345.443.0

Assets Current

us-gaap:AssetsCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value42703156339836843834445945014694501461574083427041714276489346314945440455973926432366878865876770488599925799921141883878157792582128339747988869436878088398296878079877332
Percentage of AssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets20.614.515.717.017.720.821.021.922.726.615.315.414.814.914.213.514.212.915.411.012.017.321.621.317.020.122.124.126.919.319.319.520.221.320.024.025.824.826.428.129.327.125.6

Cash And Cash Equivalents At Carrying Value

us-gaap:CashAndCashEquivalentsAtCarryingValue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-312008-12-312007-12-312006-12-31
Value2080154518632208230026943004290837264847252624922686273235293095355727163013931150624444120220512881814321725444642528409396351827219419681608235313631370136295710631157908607383
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets10.07.18.610.210.612.614.013.516.921.09.59.09.69.510.29.010.27.98.32.64.26.310.15.43.14.20.81.81.01.51.31.01.00.92.25.95.44.57.04.64.64.60.00.00.03.20.00.0

Accounts Receivable Net Current

Receivables Net Current

Inventory Net

us-gaap:InventoryNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value230261289278274245263231239232372376377323403377416399535569546527817842105595469568368612591218130914111423151614321552145216821628140514381308
Percentage of InventoryNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.11.21.31.31.31.11.21.11.11.01.41.41.31.11.21.11.21.21.51.61.51.42.02.12.52.21.71.61.62.92.93.23.53.64.13.94.24.15.05.54.74.94.6

Inventory L I F O Reserve

Inventory Raw Materials And Supplies

us-gaap:InventoryRawMaterialsAndSupplies



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value156169217196178171182173175173262242240246299282272255318280281
Percentage of InventoryRawMaterialsAndSupplies100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.80.81.00.90.80.80.80.80.80.71.00.90.90.90.90.80.80.70.90.80.7

Other Assets Current

us-gaap:OtherAssetsCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value6818012413814451952595254142124196195108111120130527632560164386987111141209822750903214821671699142115549738077591002865143415021263819
Percentage of OtherAssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.30.80.60.60.72.40.20.30.20.20.50.40.70.70.30.30.30.41.41.81.64.32.12.12.72.82.01.82.14.95.14.23.54.02.62.22.12.82.64.95.04.32.9

Property Plant And Equipment Gross

us-gaap:PropertyPlantAndEquipmentGross



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value31704358203495534098334463322232619320403290632504478554705847250469074841647908476934682648138478784695846522461424515747057459504312141195402554555344266421304159439710404323837837032357033304229539290992987127437
Percentage of PropertyPlantAndEquipmentGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets153.0164.4161.6157.2154.0155.0151.9149.3149.1140.6179.9169.3168.1163.9140.5139.9137.0136.9132.0134.6130.1120.6112.6109.9113.6107.5102.999.495.0104.9104.9103.7102.3101.5108.3103.7101.1100.998.7100.197.2101.496.0

Accumulated Depreciation Depletion And Amortization Property Plant And Equipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value16893190061850617991175481713916606161711672516312275762426524049233122287922139214522047421255205801975019005184751792117891171791570715025146041674616122155741554214998162651585015273145761395813004125631324411166
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets81.587.385.682.980.880.077.475.375.870.6103.787.385.681.566.464.761.659.958.357.954.749.345.143.643.240.237.536.334.538.538.238.338.238.343.642.841.741.241.744.141.944.939.1

Property Plant And Equipment Net

us-gaap:PropertyPlantAndEquipmentNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value14811168141644916107158981608316013158691618116192202792279323201235952553725769262412635226883272982720827517276672723629166287712741426170256512880728144265562605224712241672252821759211271908416535165361662716271
Percentage of PropertyPlantAndEquipmentNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets71.577.276.074.273.275.074.673.973.370.176.282.082.682.474.175.375.477.173.776.875.471.367.566.370.467.365.463.260.566.366.765.464.163.164.760.959.459.757.056.155.256.456.9

us-gaap:Ownership

hes:HessMidstreamLP



Period End2020-03-312019-12-31
Value30293010
Percentage of PropertyPlantAndEquipmentNet20.517.9
Percentage of Assets14.613.8
Percentage of Assets hes:HessMidstreamLP0.00.0

Investments In Affiliates Subsidiaries Associates And Joint Ventures

Goodwill

us-gaap:Goodwill



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value3603603603603603603603603603603603503753753753753753751473147318581858185818581984186918691869186922082208226622932305238323882394240820451218121812251225
Percentage of Goodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.71.71.71.71.71.71.71.71.61.61.41.31.31.31.11.11.11.14.04.15.14.84.54.54.84.44.54.54.45.15.25.65.65.96.46.56.56.86.14.14.14.24.3

Deferred Tax Assets Liabilities Net

Other Assets Noncurrent

us-gaap:OtherAssetsNoncurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value626626571586557510583523495382398360330316397416415411394357356347500498534509298264362470430444444455597487479471272271285304342
Percentage of OtherAssetsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.02.92.62.72.62.42.72.42.21.71.51.31.21.11.21.21.21.21.11.01.00.91.21.21.31.20.70.60.91.11.01.11.11.21.61.31.31.30.80.91.01.01.2

Liabilities Current

us-gaap:LiabilitiesCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value1947251023442332227122031958194519042435221421182126225126172139219326282624349334674851501552575981655869236733890683827848708481918100660667967351761365676330716568507730
Percentage of LiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets9.411.510.810.710.510.39.19.18.610.58.37.67.67.97.66.26.37.77.29.89.612.612.212.814.415.316.516.321.019.318.617.420.220.717.718.420.121.519.621.523.923.227.0

Debt Current

Long Term Debt Current

us-gaap:LongTermDebtCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-31
Value3015141267858719658012212111611266610294867868
Percentage of LongTermDebtCurrent100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.10.10.10.30.40.40.92.50.50.40.40.41.90.30.30.30.20.2

Accounts Payable Current

us-gaap:AccountsPayableCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value431411396353399495383363375435421504565433458525346457537616681708171215292067210945356557128092543270738913712348637614304427440713855450142235045
Percentage of AccountsPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.11.91.81.61.82.31.81.71.71.91.61.82.01.51.31.51.01.31.51.71.91.84.23.75.04.91.11.41.36.56.06.79.69.59.310.211.712.112.213.115.014.317.6

Taxes Payable Current

us-gaap:TaxesPayableCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value339710495898196498283101631029760919388793132902942822785785203853587519607797001178812818849913726537486627525637
Percentage of TaxesPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.20.40.50.40.40.40.40.20.40.40.40.20.40.30.20.30.30.30.20.90.80.80.70.71.41.20.90.91.82.21.81.72.92.12.22.32.52.11.61.62.11.82.2

Long Term Debt

Long Term Debt Noncurrent

us-gaap:LongTermDebtNoncurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value81917142652665116550660566096352637263976592661266696694667164506498654464745888591159195798811160405569
Percentage of LongTermDebtNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets39.532.830.230.030.230.830.829.628.927.724.823.823.723.419.418.818.719.117.816.616.415.313.618.715.415.7

Deferred Tax Liabilities Noncurrent

us-gaap:DeferredTaxLiabilitiesNoncurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value32841541141842042142542442542958411151125114412141227132013341618182517942009231624162469229222572106221026622696265429082843315733693210299530592079217122222241
Percentage of DeferredTaxLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.61.91.91.91.92.02.02.01.91.92.24.04.04.03.53.63.83.94.45.15.05.25.75.96.05.45.45.15.26.16.46.57.27.38.59.18.88.59.17.07.27.57.8

Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent

Minority Interest

us-gaap:MinorityInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value9789741269123712111259139613641332130312961298108510571077105510361015103201151169798647376107113110729476811281681209816517214484
Percentage of MinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.74.55.95.75.65.96.56.46.05.64.94.73.93.73.13.13.03.02.80.00.30.30.20.20.10.20.20.30.30.30.20.20.20.20.30.50.30.30.60.60.50.3

Other Liabilities Noncurrent

us-gaap:OtherLiabilitiesNoncurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value5545217095244915756576346607449369561004102994410069881130121612381176119810379741100145111791199127216581501159016281752123311981214123911541225126813121251
Percentage of OtherLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.72.43.32.42.32.73.13.03.03.23.53.43.63.62.72.92.83.33.33.53.33.12.52.42.73.42.82.93.03.83.63.94.04.53.33.23.33.53.44.24.24.54.4

Stockholders Equity

us-gaap:StockholdersEquity



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value720087328908929493429629965099721060511051131321378014148145341983820119205981938621331211032166722205242492425724144247202376923897224182109020542198871906318516188331877617949166891573014365138551338412307
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets34.840.141.242.843.044.945.046.548.047.849.449.650.350.857.658.859.256.758.559.360.057.659.259.158.357.856.757.752.948.548.749.046.947.350.450.849.047.147.048.746.345.443.0

Common Stock Value

us-gaap:CommonStockValue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value307305305304304291296300308315318318318317317317317286286287287286299308314325338343343342342342342340340340340338328328328327326
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.51.41.41.41.41.41.41.41.41.41.21.11.11.10.90.90.90.80.80.80.80.70.70.70.80.80.80.80.80.80.80.80.80.90.90.90.91.01.01.11.11.11.1

Retained Earnings Accumulated Deficit

us-gaap:RetainedEarningsAccumulatedDeficit



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value1021353538364125420742574410469251665597843891539692101471512915559160421663718530189231957820052210202087920693212352027920369189581771717377168541633715826159911572515151142541422913105127611225111642
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.916.217.719.019.419.920.521.923.424.231.732.934.535.543.945.446.148.750.853.254.252.051.350.850.049.748.449.244.740.841.241.540.240.442.842.541.440.342.544.442.641.640.7

Accumulated Other Comprehensive Income Loss Net Of Tax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value239-699-776-648-650-306-502-522-571-686-1472-1518-1667-1704-1372-1499-1484-1664-1582-1436-1504-1410-487-384-276-338-447-419-452-493-675-779-1057-1067-867-662-873-1159-1377-1603-1749-1675-2008
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.2-3.2-3.6-3.0-3.0-1.4-2.3-2.4-2.6-3.0-5.5-5.5-5.9-6.0-4.0-4.4-4.3-4.9-4.3-4.0-4.2-3.7-1.2-0.9-0.7-0.8-1.1-1.0-1.1-1.1-1.6-1.9-2.6-2.7-2.3-1.8-2.4-3.3-4.1-5.4-5.8-5.7-7.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value44528644367523888142342521034388326332197-606232827143621057133891111581550125412478191570186212409881138102216891135147812469818251271534616625
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax34.617.328.140.415.353.223.026.915.227.85.323.527.815.5-6.044.916.736.923.445.147.825.321.011.546.530.419.916.219.413.310.112.911.717.210.817.013.912.78.914.97.29.19.1

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value-818-825-721-617-680-6655-484-422195990-424-526-527-613-909-956-1189-1152-15381569232-2621390-1487936-261-1669-1617-1993-1772-2091-2320-1421-734-2266-1451-920-622-957-610-667-690
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-63.6-50.0-45.7-36.9-43.7-40.20.3-30.6-30.6158.55.4-30.6-44.0-41.5-61.7-65.5-56.6-61.4-74.3-65.656.06.4-4.810.3-55.122.8-6.3-17.2-16.8-21.4-18.2-23.7-26.6-14.5-7.0-26.1-16.2-11.9-6.7-11.2-8.3-9.9-10.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value908221-67-15048-526-332-759-90919-144-699628-1321514-112756-100-148-1195-992-226-1422-1447-171-1902-756213-126766829477-69-42-41431195-68-19591-30-43314
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax70.613.4-4.2-9.03.1-31.8-18.0-48.0-65.91.5-8.6-50.452.5-10.4152.5-0.8163.2-5.2-9.5-51.0-35.4-6.3-25.8-10.7-6.3-46.3-18.42.2-1.38.28.55.4-0.8-0.4-0.40.513.3-0.9-2.11.1-0.4-0.64.6

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value44528644367523888142342521034388326332197-606232827143621057133891111581550125412478191570186212409881138102216891135147812469818251271534616625
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax34.617.328.140.415.353.223.026.915.227.85.323.527.815.5-6.044.916.736.923.445.147.825.321.011.546.530.419.916.219.413.310.112.911.717.210.817.013.912.78.914.97.29.19.1

Net Income Loss

us-gaap:NetIncomeLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value-2433-222-212-632-4-42-130-106-2677-624-449-324-4892-339-392-509-1821-279-567-389-81008931386192542014311276374557549545-131298607929581154375538358341100-59
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-189.0-13.5-13.4-0.42.1-0.2-2.3-8.2-7.7-216.6-37.5-36.6-25.4-353.0-28.3-30.9-51.3-131.3-16.5-29.3-25.1-0.336.025.97.014.315.634.931.03.95.85.95.6-1.53.46.28.80.712.94.85.84.24.61.5-0.9

us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, hes:ExplorationAndProduction



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-09-302016-06-30
Value-2371-64-6068109-55031-25-2592-474-354-233-234-328
Percentage of NetIncomeLoss97.528.828.3-1133.3340.6125.0-119.0-23.823.696.876.078.871.969.083.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-184.2-3.9-3.84.17.0-0.32.72.0-1.8-209.7-28.5-28.8-18.3-19.6-25.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments hes:ExplorationAndProduction-184.2-3.9-3.84.17.0-0.32.72.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, hes:Midstream



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-09-302016-06-30
Value61333935373230302820-1216181311
Percentage of NetIncomeLoss-2.5-14.9-18.4-583.3115.6-800.0-71.4-23.1-26.4-0.71.9-3.6-5.6-3.8-2.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.72.02.52.12.41.91.61.92.01.6-0.71.31.41.10.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments hes:Midstream21.013.018.118.419.517.216.317.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, us-gaap:CorporateAndOther



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-09-302016-06-30
Value-123-191-191-109-114-31-122-191-109-105-138-111-109-118-75
Percentage of NetIncomeLoss5.186.090.11816.7-356.2775.0290.5146.9102.83.922.124.733.634.819.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-9.6-11.6-12.1-6.5-7.3-1.9-6.6-12.1-7.9-8.5-8.3-9.0-8.5-9.9-5.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments us-gaap:CorporateAndOther0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Profit Loss

us-gaap:ProfitLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value-2366-183-1663475343-87-65-2635-593-417-296-4898-317-373-488-1799-252-567-389-71030930421191541816161273376592535560-134267569974831091396568370352102-17
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-183.8-11.1-10.52.04.82.10.2-5.5-4.7-213.2-35.6-34.0-23.2-353.4-26.5-29.4-49.1-129.7-14.9-29.3-25.1-0.336.825.87.614.215.539.430.93.96.25.75.7-1.53.15.89.31.012.25.16.24.34.81.5-0.2

us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-30
Value67394640433845434142313228-6221921222700122-135-10-2185-3235-1415-3-31-384525-6321301211
Percentage of ProfitLoss-2.8-21.3-27.7117.657.3111.81500.0-49.4-63.1-1.6-5.2-7.7-9.50.1-6.9-5.1-4.3-1.2-10.7-0.0-0.0-14.32.1-0.18.3-0.5-0.511.4-0.20.55.9-2.62.72.2-11.6-6.74.630.1-5.85.35.33.23.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.22.42.92.42.82.32.42.73.03.41.92.62.2-0.41.81.52.11.61.60.00.00.00.8-0.00.6-0.1-0.14.5-0.10.00.4-0.20.2-0.0-0.4-0.40.40.3-0.70.30.30.10.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Parent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-30
Value-2433-222-212-632-4-42-130-106-2677-624-449-324-4892-339-392-509-1821-279-567-389-81008931386192542014311276374557549545-131298607929581154375538358341
Percentage of ProfitLoss102.8121.3127.7-17.642.7-11.8-1400.0149.4163.1101.6105.2107.7109.599.9106.9105.1104.3101.2110.7100.0100.0114.397.9100.191.7100.5100.588.6100.299.594.1102.697.397.8111.6106.795.469.9105.894.794.796.896.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-189.0-13.5-13.4-0.42.1-0.2-2.3-8.2-7.7-216.6-37.5-36.6-25.4-353.0-28.3-30.9-51.3-131.3-16.5-29.3-25.1-0.336.025.97.014.315.634.931.03.95.85.95.6-1.53.46.28.80.712.94.85.84.24.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value-2433-222-212-632-4-42-130-106-2677-624-449-324-4892-339-392-509-1821-279-567-389-81008931386192542014311276374557549545-131298607929
Percentage of ProfitLoss102.8121.3127.7-17.642.7-11.8-1400.0149.4163.1101.6105.2107.7109.599.9106.9105.1104.3101.2110.7100.0100.0114.397.9100.191.7100.5100.588.6100.299.594.1102.697.397.8111.6106.795.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-189.0-13.5-13.4-0.42.1-0.2-2.3-8.2-7.7-216.6-37.5-36.6-25.4-353.0-28.3-30.9-51.3-131.3-16.5-29.3-25.1-0.336.025.97.014.315.634.931.03.95.85.95.6-1.53.46.28.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Depreciation Depletion And Amortization

us-gaap:DepreciationDepletionAndAmortization



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value5615865444944985334894444176467597417377688117978689839881028956875837787752797681613679751748769681674586588558633584558542638626558486
Percentage of DepreciationDepletionAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, hes:ExplorationAndProduction



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-09-302016-06-30
Value521547507459464499457407385616709708703779765
Percentage of DepreciationDepletionAndAmortization92.993.393.292.993.293.693.591.792.395.493.495.595.496.196.0

us-gaap:OperatingSegments, hes:Midstream



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-09-302016-06-30
Value383736353433323131302932323030
Percentage of DepreciationDepletionAndAmortization6.86.36.67.16.86.26.57.07.44.63.84.34.33.73.8

us-gaap:OperatingSegments, us-gaap:CorporateAndOther



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-09-302016-06-30
Value2210010610211222
Percentage of DepreciationDepletionAndAmortization0.40.30.20.00.00.20.01.40.20.02.80.10.30.20.3

Increase Decrease In Other Operating Capital Net

us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-06-302014-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value201332085552102733-1113612845-88741913740105109365231357-53033424562611-30832516-136903-432-6706063240
Percentage of IncreaseDecreaseInOtherOperatingCapitalNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Increase Decrease In Inventories

us-gaap:IncreaseDecreaseInInventories



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value-31-2811429-2336-8716-4-355-7624-3813-46-302027
Percentage of IncreaseDecreaseInInventories100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value-818-825-721-617-680-6655-484-422195990-424-526-527-613-909-956-1189-1152-15381569232-2621390-1487936-261-1669-1617-1993-1772-2091-2320-1421-734-2266-1451-920-622-957-610-667-690
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-63.6-50.0-45.7-36.9-43.7-40.20.3-30.6-30.6158.55.4-30.6-44.0-41.5-61.7-65.5-56.6-61.4-74.3-65.656.06.4-4.810.3-55.122.8-6.3-17.2-16.8-21.4-18.2-23.7-26.6-14.5-7.0-26.1-16.2-11.9-6.7-11.2-8.3-9.9-10.0

Payments To Acquire Property Plant And Equipment

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value908221-67-15048-526-332-759-90919-144-699628-1321514-112756-100-148-1195-992-226-1422-1447-171-1902-756213-126766829477-69-42-41431195-68-19591-30-43314
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax70.613.4-4.2-9.03.1-31.8-18.0-48.0-65.91.5-8.6-50.452.5-10.4152.5-0.8163.2-5.2-9.5-51.0-35.4-6.3-25.8-10.7-6.3-46.3-18.42.2-1.38.28.55.4-0.8-0.4-0.40.513.3-0.9-2.11.1-0.4-0.64.6

Proceeds From Issuance Of Long Term Debt

us-gaap:ProceedsFromIssuanceOfLongTermDebt



Period End2020-03-312019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-31
Value100000000800000-51496051106000000035001851824513390408100417126100744
Percentage of ProceedsFromIssuanceOfLongTermDebt100.00.00.00.00.00.0100.00.00.00.0100.0100.00.0100.0100.0100.00.00.00.00.00.0100.00.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.00.00.0100.0

Repayments Of Long Term Debt

us-gaap:RepaymentsOfLongTermDebt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-30
Value0032323191574343523051266307654317161717173753167333-1941385324124326825011435121115142656-1
Percentage of RepaymentsOfLongTermDebt0.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Payments Of Dividends

Payments Of Dividends

Payments For Repurchase Of Common Stock

us-gaap:PaymentsForRepurchaseOfCommonStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value0000252452305193711100000000064116710779036921043993
Percentage of PaymentsForRepurchaseOfCommonStock0.00.00.00.0100.0100.0100.0100.0100.0100.00.00.00.00.00.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0

Repayments Of Long Term Debt

us-gaap:RepaymentsOfLongTermDebt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-30
Value0032323191574343523051266307654317161717173753167333-1941385324124326825011435121115142656-1
Percentage of RepaymentsOfLongTermDebt0.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Debt Instrument Interest Rate Stated Percentage

Effective Income Tax Rate Continuing Operations

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

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

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

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-31
Value307999.00.00.0234866.00.00.0278003.00.00.0438980.00.014366.0433170.00.00.0362873.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod100.00.00.0100.00.00.0100.00.00.0100.00.0100.0100.00.00.0100.0

Share Based Compensation

us-gaap:ShareBasedCompensation



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value2919182127192119132121222242222252620252622242021917221226272917272928202830302429312840
Percentage of ShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Liabilities

Deferred Tax Assets Net

Unrecognized Tax Benefits

Deferred Tax Assets Valuation Allowance

Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions

Operating Lease Right Of Use Asset

us-gaap:OperatingLeaseRightOfUseAsset



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value3864475276157130
Percentage of OperatingLeaseRightOfUseAsset100.0100.0100.0100.0100.00.0

Cash And Cash Equivalents Period Increase Decrease

us-gaap:Energy, us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship

hes:DerivativeNonmonetaryNotionalAmountVolumeOfOilPerDayFromExecutionToYearEnd

hes:Brent, hes:EnergyDerivativeTwoThousandTwentySettlement, us-gaap:CashFlowHedging



Period End2020-03-31
Value20000.0
Percentage of DerivativeNonmonetaryNotionalAmountVolumeOfOilPerDayFromExecutionToYearEnd100.0

hes:WTI, hes:EnergyDerivativeTwoThousandTwentySettlement, us-gaap:CashFlowHedging



Period End2020-03-31
Value130000.0
Percentage of DerivativeNonmonetaryNotionalAmountVolumeOfOilPerDayFromExecutionToYearEnd650.0

hes:ExploratoryDryHoleCosts



Period End2020-03-312019-03-31
Value1350
Percentage of ExploratoryDryHoleCosts100.00.0

us-gaap:CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortizationByPropertyOrProject, us-gaap:PropertyPlantAndEquipmentByType

hes:ImpairmentChargeAfterIncomeTax

hes:TubularBellsField, us-gaap:OilAndGasProperties



Period End2020-03-31
Value270
Percentage of ImpairmentChargeAfterIncomeTax100.0

us-gaap:StatementGeographical, us-gaap:CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortizationByPropertyOrProject, us-gaap:PropertyPlantAndEquipmentByType

country:DK, hes:SouthArneField, us-gaap:OilAndGasProperties



Period End2020-03-31
Value594
Percentage of ImpairmentChargeAfterIncomeTax220.0

country:MY, hes:NorthMalayBasinField, us-gaap:OilAndGasProperties



Period End2020-03-31
Value755
Percentage of ImpairmentChargeAfterIncomeTax279.6

hes:GulfOfMexicoRegion, hes:StampedeField, us-gaap:OilAndGasProperties



Period End2020-03-31
Value410
Percentage of ImpairmentChargeAfterIncomeTax151.9

us-gaap:Energy, us-gaap:HedgingDesignation

hes:IncreasedDecreasedExplorationProductionSalesAndOtherOperatingRevenue

srt:CrudeOil, us-gaap:DesignatedAsHedgingInstrument



Period End2020-03-312019-12-312019-09-302019-03-312018-12-312018-09-30
Value64-2215-42-45
Percentage of IncreasedDecreasedExplorationProductionSalesAndOtherOperatingRevenue100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidationItems

hes:IntersegmentRevenues

us-gaap:IntersegmentElimination



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value-291-253-215-190-190-186-184-176-167-157-153-154
Percentage of IntersegmentRevenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, hes:Midstream



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value291253215190190186184176
Percentage of IntersegmentRevenues-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0

hes:MarketingIncludingPurchasedOilAndGas



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value378428423477408472491450358476338253
Percentage of MarketingIncludingPurchasedOilAndGas100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

hes:NetNonServicePensionIncomeExpenseCostsInOtherNet



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value-1579-9-10-17-16
Percentage of NetNonServicePensionIncomeExpenseCostsInOtherNet100.0100.0100.0100.0100.0100.0

hes:RevenueFromContractWithCustomerAndOtherOperatingRevenuesExcludingAssessedTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value135416831580166015721650179315341346166313481197
Percentage of RevenueFromContractWithCustomerAndOtherOperatingRevenuesExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidationItems

us-gaap:IntersegmentElimination



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value-291-253-215-190-190-186-184-176-167-157-153-154
Percentage of RevenueFromContractWithCustomerAndOtherOperatingRevenuesExcludingAssessedTax-21.5-15.0-13.6-11.4-12.1-11.3-10.3-11.5-12.4-9.4-11.4-12.9

us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, hes:ExplorationAndProduction



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value13541683158016601572165017931534
Percentage of RevenueFromContractWithCustomerAndOtherOperatingRevenuesExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, hes:Midstream



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value291253215190190186184176
Percentage of RevenueFromContractWithCustomerAndOtherOperatingRevenuesExcludingAssessedTax21.515.013.611.412.111.310.311.5

us-gaap:ConsolidationItems, us-gaap:StatementGeographical, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, country:DK, hes:ExplorationAndProduction



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value433353195721
Percentage of RevenueFromContractWithCustomerAndOtherOperatingRevenuesExcludingAssessedTax3.22.13.21.23.21.4

us-gaap:OperatingSegments, country:GY, hes:ExplorationAndProduction



Period End2020-03-312019-03-31
Value450
Percentage of RevenueFromContractWithCustomerAndOtherOperatingRevenuesExcludingAssessedTax3.30.0

us-gaap:OperatingSegments, country:LY, hes:ExplorationAndProduction



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value2150158119135139
Percentage of RevenueFromContractWithCustomerAndOtherOperatingRevenuesExcludingAssessedTax0.19.59.57.67.59.1

us-gaap:OperatingSegments, country:MY, hes:ExplorationAndProduction



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value142185178201207193
Percentage of RevenueFromContractWithCustomerAndOtherOperatingRevenuesExcludingAssessedTax10.511.710.712.811.512.6

us-gaap:OperatingSegments, country:US, hes:ExplorationAndProduction



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value11221327121212711233127313941181
Percentage of RevenueFromContractWithCustomerAndOtherOperatingRevenuesExcludingAssessedTax82.978.876.776.678.477.277.777.0

hes:RevenueFromContractWithCustomerAndOtherOperatingRevenuesExcludingAssessedTaxAndIntersegmentRevenues



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value135416831580166015721650179315341346166313481197
Percentage of RevenueFromContractWithCustomerAndOtherOperatingRevenuesExcludingAssessedTaxAndIntersegmentRevenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, hes:ExplorationAndProduction



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value13541683158016601572165017931534
Percentage of RevenueFromContractWithCustomerAndOtherOperatingRevenuesExcludingAssessedTaxAndIntersegmentRevenues100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value39333132292036351320212230
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value42333032282036351220212229
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue107.7100.096.8100.096.6100.0100.0100.092.3100.0100.0100.096.7

us-gaap:CommonStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value2010100010001
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue5.10.03.20.03.40.00.00.07.70.00.00.03.3

us-gaap:Parent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value39333132292036351320212230
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RetainedEarnings



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-5000000000000
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue-12.80.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

hes:CommonSharesFromConversionOfPreferredStocks



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-30
Value00031212121312121212700
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount0.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0

us-gaap:EmployeeStockOption



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302014-06-30
Value4443555666666671
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount0.00.00.086.442.444.846.148.651.450.255.455.793.20.00.00.0

us-gaap:PerformanceShares



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-03-31
Value11101100000100010
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount0.00.00.01.710.48.55.05.34.12.57.78.212.30.00.00.00.0

us-gaap:RestrictedStock



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-31
Value2220222333333232
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount0.00.00.01.523.122.723.224.727.124.927.728.142.10.00.00.0

us-gaap:AssetImpairmentCharges



Period End2020-03-312018-12-312018-09-302017-12-312017-09-302016-12-312016-09-302016-06-302015-12-312015-09-302015-06-302012-12-312012-09-302012-06-302011-12-312011-09-302010-12-312010-09-302009-12-312009-09-30
Value21260017002503670012310385331208590358053200
Percentage of AssetImpairmentCharges100.00.00.0100.0100.0100.00.00.0100.00.0100.0100.0100.0100.00.0100.00.0100.00.00.0

us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, hes:ExplorationAndProduction



Period End2020-03-312017-12-312017-09-30
Value212617002503
Percentage of AssetImpairmentCharges100.0100.0100.0

us-gaap:CapitalizedExploratoryWellCostChargedToExpense1



Period End2020-03-312018-12-31
Value1251
Percentage of CapitalizedExploratoryWellCostChargedToExpense1100.0100.0

us-gaap:CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortizationByPropertyOrProject

hes:ProjectSeven



Period End2020-03-31
Value125
Percentage of CapitalizedExploratoryWellCostChargedToExpense1100.0

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect



Period End2020-03-312019-12-312019-03-312018-12-31
Value535-318-394-310
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0

us-gaap:CommonStockDividendsPerShareDeclared



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-312008-12-312008-09-302008-06-302008-03-31
Value0.250.250.250.250.250.250.250.250.250.250.250.250.250.250.250.250.250.250.250.250.250.250.250.250.250.250.250.250.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.1
Percentage of CommonStockDividendsPerShareDeclared100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredIncomeTaxesAndTaxCredits



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value-8522-40-1-9262-3654-2006-22-273173-312-310-351-500-285-187-347
Percentage of DeferredIncomeTaxesAndTaxCredits100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302011-09-302011-06-302011-03-312010-09-302010-06-302010-03-312009-09-302009-06-30
Value-12-13-12-11-8-9-12-13-16-17-15-16-16-19-20-19-8-13-11-11-12-12-12-17-14
Percentage of DefinedBenefitPlanAmortizationOfGainsLosses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302011-09-302011-06-302011-03-312010-09-302010-06-302010-03-312009-09-302009-06-30
Value45454545494949424241414242424342412827272121211215
Percentage of DefinedBenefitPlanExpectedReturnOnPlanAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanInterestCost



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302011-09-302011-06-302011-03-312010-09-302010-06-302010-03-312009-09-302009-06-30
Value18232424242423262626272828262626262322222221221920
Percentage of DefinedBenefitPlanInterestCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302011-09-302011-06-302011-03-312010-09-302010-06-302010-03-312009-09-302009-06-30
Value-19120-7-6-2142116161818312620192320202524253329
Percentage of DefinedBenefitPlanNetPeriodicBenefitCost100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanServiceCost



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302011-09-302011-06-302011-03-312010-09-302010-06-302010-03-312009-09-302009-06-30
Value1412111010101413141415161618181715151414121212910
Percentage of DefinedBenefitPlanServiceCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsCommonStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value767977767871757578788079807979798072717272
Percentage of DividendsCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:Parent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value767977767871757578788079807979798072717272
Percentage of DividendsCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RetainedEarnings



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value767977767871757578788079807979798072717272
Percentage of DividendsCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ExplorationExpense



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value1891065043349116962403564053581033781991323781449026917190460119458154200219362259196253426199257313317225172151157167312193
Percentage of ExplorationExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Energy, us-gaap:StatementScenario, us-gaap:CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortizationByPropertyOrProject

hes:KosmosEnergyLtd, srt:ScenarioForecast, hes:OldfieldOneExplorationWellInGulfOfMexico



Period End2020-03-31
Value15
Percentage of ExplorationExpense7.9

us-gaap:FinanceLeasePrincipalPayments



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value12222230000
Percentage of FinanceLeasePrincipalPayments100.0100.0100.0100.0100.00.00.00.00.0

us-gaap:DerivativeInstrumentRisk

us-gaap:ForeignCurrencyTransactionGainLossBeforeTax

us-gaap:ForeignExchangeContract



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value-1-11-25-1-4-54-111710-1-611156-14-15-715
Percentage of ForeignCurrencyTransactionGainLossBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeInstrumentRisk

us-gaap:GainLossOnForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstruments

us-gaap:ForeignExchangeContract



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value2-411-1-10-32102-151-233-202713-4198
Percentage of GainLossOnForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstruments100.0100.0100.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ImpairmentOfLeasehold



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value323347981010227871129159436124542422129327839497960485857
Percentage of ImpairmentOfLeasehold100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value-263131374-204228-7671-135145-39-35-115179-69163-36025-361134-222
Percentage of IncreaseDecreaseInAccountsPayableAndAccruedLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInAccountsReceivable



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value-25825459-47117-1091795711295194-34-115182-199238-317-352-26898-319
Percentage of IncreaseDecreaseInAccountsReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInAccruedTaxesPayable



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value-63-6868-1143-33-1-3738-41637-9-4-158-23317-14
Percentage of IncreaseDecreaseInAccruedTaxesPayable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship

us-gaap:IncreaseDecreaseInFairValueOfInterestRateFairValueHedgingInstruments1

us-gaap:InterestRateSwap, us-gaap:FairValueHedging



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-312016-09-302016-06-30
Value5-71213-81-3102394
Percentage of IncreaseDecreaseInFairValueOfInterestRateFairValueHedgingInstruments1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0

us-gaap:AwardType

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements

us-gaap:EmployeeStockOption



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value0.00.00.00.0200000.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of IncrementalCommonSharesAttributableToShareBasedPaymentArrangements0.00.00.00.0100.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:PerformanceShares



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value0.00.00.00.0900000.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0800000.0
Percentage of IncrementalCommonSharesAttributableToShareBasedPaymentArrangements0.00.00.00.0450.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RestrictedStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value00001000000000000000001
Percentage of IncrementalCommonSharesAttributableToShareBasedPaymentArrangements0.00.00.00.0600.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value63312141413175131112
Percentage of MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value63312141413175131112
Percentage of MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-312014-09-302014-06-302012-12-312012-09-302012-06-302011-12-312011-09-302011-06-30
Value097-239-246-760495302-14-13702034-4-9-3460-2-481314-26887
Percentage of OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax0.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.00.0100.00.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-312014-09-302014-06-302012-12-312012-09-302012-06-302011-12-312011-09-302011-06-30
Value00000-2501300-2-13-220203-1-6-1840-2-3188-15955
Percentage of OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax0.00.00.00.00.0100.00.0100.0100.00.0100.0100.0100.0100.00.0100.00.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value926-401014-36136012369
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value990-42120-346316-37-13-22
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax100.0100.0100.00.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value990-128120-346414-49-13-22
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax100.0100.0100.00.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0-8600098-1200
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax0.0100.00.00.00.0100.0100.00.00.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value64-22-1415-44-49-49-31
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value64-22-1415-44-49-49-31
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossNetOfTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value93877-1282-34429620491167864614937-332127-15180-82-14668-94-923-103-10862109-28413918310727214-201-207211
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value93877-1282-34429620491167864614937-332127-15180-82-14668-94-923-103-10862109-28334118210427810-200-205
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.080.5105.199.597.2102.271.499.599.0

us-gaap:NoncontrollingInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value00000000000000000000000008-213-64-1-2
Percentage of OtherComprehensiveIncomeLossNetOfTax0.00.0-0.00.0-0.00.00.00.00.00.00.00.00.0-0.00.0-0.00.0-0.0-0.00.0-0.0-0.0-0.00.0-0.019.5-5.10.52.8-2.228.60.51.0

us-gaap:Parent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value93877-1282-34429620491167864614937-332127-15180-82-14668-94-923-103-10862109-28334118210427810-200-205
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.080.5105.199.597.2102.271.499.599.0

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value-12-11713812-1764-8-13-107-50-19-22-21129-10-12-11-52-15-813335-12-8-5-112-7-8-17048-13-14-13
Percentage of OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-312014-09-302014-06-302012-12-312012-09-302012-06-302011-12-312011-09-302011-06-30
Value097-239-246-10105125300-27-15904037-5-15-5300-4-792122-4271312
Percentage of OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax0.0100.0100.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.00.0100.00.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value-12-20-101-12-11-12-8-9-12-20-17-23-17-13-15-16-16-19-29-25-19-14-19
Percentage of OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value-12-20-101-12-11-12-8-9-12-20-17-23-17-8-10-10-11-12-19-17-13-11-12
Percentage of OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value0000000000000-5-5-6-5-7-10-8-6-3-7
Percentage of OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax0.00.00.00.00.00.00.00.00.00.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherOperatingIncomeExpenseNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value67332-1115-6-48-47-34
Percentage of OtherOperatingIncomeExpenseNet100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, hes:ExplorationAndProduction



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value67332-1115-6-48-47
Percentage of OtherOperatingIncomeExpenseNet100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidationItems, us-gaap:StatementGeographical, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, country:DK, hes:ExplorationAndProduction



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value500000
Percentage of OtherOperatingIncomeExpenseNet7.50.0-0.00.0-0.0-0.0

us-gaap:OperatingSegments, country:GY, hes:ExplorationAndProduction



Period End2020-03-312019-03-31
Value60
Percentage of OtherOperatingIncomeExpenseNet9.00.0

us-gaap:OperatingSegments, country:MY, hes:ExplorationAndProduction



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value1000000.00.00.00.00.00.0
Percentage of OtherOperatingIncomeExpenseNet1.50.0-0.00.0-0.0-0.0

us-gaap:OperatingSegments, country:US, hes:ExplorationAndProduction



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value55332-1115-6-48-47
Percentage of OtherOperatingIncomeExpenseNet82.1100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsForProceedsFromOtherInvestingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value002-1213140100-3-3-8-703131021270556059396677-191526-24174611-75-111917476-18-14
Percentage of PaymentsForProceedsFromOtherInvestingActivities0.00.0100.0100.0100.0100.0100.0100.0100.00.0100.00.00.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsOfOrdinaryDividends



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value81757776888386878990919092
Percentage of PaymentsOfOrdinaryDividends100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireEquityMethodInvestments



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value001016702617240000
Percentage of PaymentsToAcquireEquityMethodInvestments0.00.0100.0100.0100.00.0100.0100.0100.00.00.00.00.0

us-gaap:PaymentsToAcquireMachineryAndEquipment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value78112746015075686337412434508666675321145
Percentage of PaymentsToAcquireMachineryAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireOilAndGasPropertyAndEquipment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value74071363556452158947243036351348944634040146354756872491810631251
Percentage of PaymentsToAcquireOilAndGasPropertyAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PreferredStockDividendsIncomeStatementImpact



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value00004121112111211111211121260000
Percentage of PreferredStockDividendsIncomeStatementImpact0.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-12-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-312009-09-302009-06-302009-03-31
Value-7-6133101615-3-26-1-78-6-120-38-1-22-10800-844211311-38-44658-22-2113256
Percentage of ProceedsFromPaymentsForOtherFinancingActivities100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromPaymentsToMinorityShareholders



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-312014-12-31
Value-63-312-14-14-13-175-13-11-12-35-33-1750-230-334
Percentage of ProceedsFromPaymentsToMinorityShareholders100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.00.0100.0100.0

us-gaap:ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-03-312010-12-312009-12-31
Value60-14416-391990000-16811-15576-255-435435-835-91365-1141116581000
Percentage of ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess100.0100.0100.0100.0100.00.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:ProductionTaxExpense



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value425247463943474239312730312727281936294536
Percentage of ProductionTaxExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PropertyPlantAndEquipmentAdditions



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value66692073669464263658357039154755350337040947150154094185810131237156413621202
Percentage of PropertyPlantAndEquipmentAdditions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, hes:ExplorationAndProduction



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-09-302016-06-30
Value609812624625515569500486354501526483342381433
Percentage of PropertyPlantAndEquipmentAdditions91.488.384.890.180.289.585.885.390.591.695.196.092.480.986.4

us-gaap:OperatingSegments, hes:Midstream



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-09-302016-06-30
Value571081126912767838437462720289068
Percentage of PropertyPlantAndEquipmentAdditions8.611.715.29.919.810.514.214.79.58.44.94.07.619.113.6

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-31
Value686639.00.00.0526968.00.00.0683167.00.00.0662819.00.019157.0805068.00.00.0521773.00.00.0279093.04855.00.0415773.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross100.00.00.0100.00.00.0100.00.00.0100.00.0100.0100.00.00.0100.00.00.0100.0100.00.0100.0

us-gaap:StockIssuedDuringPeriodSharesRestrictedStockAwardGross



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-312009-09-30
Value10000010010010010010010000000
Percentage of StockIssuedDuringPeriodSharesRestrictedStockAwardGross100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TangibleAssetImpairmentCharges



Period End2020-03-312019-03-31
Value21260
Percentage of TangibleAssetImpairmentCharges100.00.0

us-gaap:CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortizationByPropertyOrProject, us-gaap:PropertyPlantAndEquipmentByType

hes:TubularBellsField, us-gaap:OilAndGasProperties



Period End2020-03-31
Value270
Percentage of TangibleAssetImpairmentCharges12.7

us-gaap:StatementGeographical, us-gaap:CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortizationByPropertyOrProject, us-gaap:PropertyPlantAndEquipmentByType

country:DK, hes:SouthArneField, us-gaap:OilAndGasProperties



Period End2020-03-31
Value670
Percentage of TangibleAssetImpairmentCharges31.5

country:MY, hes:NorthMalayBasinField, us-gaap:OilAndGasProperties



Period End2020-03-31
Value755
Percentage of TangibleAssetImpairmentCharges35.5

hes:GulfOfMexicoRegion, hes:StampedeField, us-gaap:OilAndGasProperties



Period End2020-03-31
Value410
Percentage of TangibleAssetImpairmentCharges19.3

us-gaap:UnrealizedGainLossOnDerivativesAndCommodityContracts



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312013-06-302013-03-312012-06-302012-03-31
Value-70-29-29-29-29-48-49-47-38-54-13-3002-63120-123
Percentage of UnrealizedGainLossOnDerivativesAndCommodityContracts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0

us-gaap:CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortizationByPropertyOrProject

hes:CapitalizedWellCostsGreaterThanOneYearAttributableToProject

hes:NorthMalayBasin



Period End2020-03-312019-09-302019-06-302019-03-312018-09-30
Value0.10.10.10.050.05
Percentage of CapitalizedWellCostsGreaterThanOneYearAttributableToProject100.0100.0100.0100.0100.0

hes:ProjectEight



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value0.10.10.10.10.10.150.150.20.150.20.10.10.050.05
Percentage of CapitalizedWellCostsGreaterThanOneYearAttributableToProject100.00.0100.0100.0200.00.0300.00.00.00.00.00.00.00.0

hes:SuccessfulExplorationWellsOnStabroekBlockOffshoreGuyana



Period End2020-03-312019-09-30
Value0.80.5
Percentage of CapitalizedWellCostsGreaterThanOneYearAttributableToProject800.0500.0

us-gaap:Energy, us-gaap:PropertyPlantAndEquipmentByType

hes:ImpairmentChargeFutureFlatPrice

hes:Brent, us-gaap:OilAndGasProperties



Period End2020-03-31
Value55.0
Percentage of ImpairmentChargeFutureFlatPrice100.0

hes:WTI, us-gaap:OilAndGasProperties



Period End2020-03-31
Value50.0
Percentage of ImpairmentChargeFutureFlatPrice90.9

hes:OperatingAndFinanceLeaseLiabilitiesCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value1461992593294020
Percentage of OperatingAndFinanceLeaseLiabilitiesCurrent100.0100.0100.0100.0100.00.0

us-gaap:AccountsAndOtherReceivablesNetCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value194230233192248230291291268671101371378682205240312311302306431385350417432359314273281336321241250335320240
Percentage of AccountsAndOtherReceivablesNetCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccruedLiabilitiesCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value1334180315701541136915601394144612511337157014301343160914331421166019971930249524273781295430633001326527832792261638263905337830843524225821512099256719161956200519541905
Percentage of AccruedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AdditionalPaidInCapitalCommonStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302009-12-31
Value5633559155435513548153865445550157015824584758265804577357635741572241274097332933063277341734543413349835993604356935243498347034413417336933733331325625502481
Percentage of AdditionalPaidInCapitalCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetRetirementObligationsNoncurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value929897850738745741772773774753184619191943191220982238217521582161201120862281231321172198224922771971199422122295178118231844188112181228120313361043101512341164
Percentage of AssetRetirementObligationsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CapitalizedExploratoryWellCosts



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302009-12-312008-12-312007-12-31
Value5065845414944664183934313463045034876245971408139414501415155015051386141619081920206920452288223722752259227421812052202220672062186417831840178214371094608
Percentage of CapitalizedExploratoryWellCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations



Period End2020-03-312019-12-312019-03-312018-12-312017-12-312016-12-31
Value208015452300269448472732
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations100.0100.0100.0100.0100.0100.0

us-gaap:ContractWithCustomerAssetNetCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value600940889868868771891677
Percentage of ContractWithCustomerAssetNetCurrent100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CrudeOilAndNaturalGasLiquids



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value749272829674815864591101341377710495144144217289284246326320343291334293284493533535451
Percentage of CrudeOilAndNaturalGasLiquids100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsNetNoncurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value77801821222110182221148025235932573043283226532109250423562169194024992207231926172753274231262872297332312941232222852123216724702316228324092292
Percentage of DeferredTaxAssetsNetNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeAssetFairValueGrossAssetIncludingNotSubjectToMasterNettingArrangement



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-312015-09-30
Value110412671929648466331311489130
Percentage of DerivativeAssetFairValueGrossAssetIncludingNotSubjectToMasterNettingArrangement100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

us-gaap:OtherNoncurrentAssets, hes:InterestRate, us-gaap:DesignatedAsHedgingInstrument



Period End2020-03-312019-12-312019-09-302019-06-30
Value6121
Percentage of DerivativeAssetFairValueGrossAssetIncludingNotSubjectToMasterNettingArrangement0.50.82.81.1

us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation

us-gaap:ForeignExchangeContract, us-gaap:Nondesignated



Period End2020-03-312019-12-312019-09-302017-12-312017-09-302016-12-31
Value001109
Percentage of DerivativeAssetFairValueGrossAssetIncludingNotSubjectToMasterNettingArrangement0.00.01.4100.00.0100.0

us-gaap:Energy, us-gaap:HedgingDesignation

srt:CrudeOil, us-gaap:DesignatedAsHedgingInstrument



Period End2020-03-312019-12-31
Value1098125
Percentage of DerivativeAssetFairValueGrossAssetIncludingNotSubjectToMasterNettingArrangement99.599.2

us-gaap:HedgingDesignation

us-gaap:DesignatedAsHedgingInstrument



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-31
Value110412670929648466331001480
Percentage of DerivativeAssetFairValueGrossAssetIncludingNotSubjectToMasterNettingArrangement100.0100.098.6100.0100.0100.0100.0100.076.90.0100.00.0

us-gaap:Nondesignated



Period End2020-03-312019-12-312019-09-302018-03-312017-12-312017-09-302016-12-31
Value0013109
Percentage of DerivativeAssetFairValueGrossAssetIncludingNotSubjectToMasterNettingArrangement0.00.01.423.1100.00.0100.0

us-gaap:DerivativeAssetFairValueGrossLiability



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312015-09-30
Value000000025
Percentage of DerivativeAssetFairValueGrossLiability0.00.00.00.00.00.00.0100.0

us-gaap:DerivativeAssets



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value1104126719296484663313114881052810576632826334193157280854156991612021527
Percentage of DerivativeAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeAssetsCurrent



Period End2020-03-312019-12-31
Value1098125
Percentage of DerivativeAssetsCurrent100.0100.0

us-gaap:DerivativeLiabilities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value210012133641330394-84425836642392958053357356796514822008
Percentage of DerivativeLiabilities100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeLiabilityFairValueGrossAsset



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312015-09-30
Value000000025
Percentage of DerivativeLiabilityFairValueGrossAsset0.00.00.00.00.00.00.0100.0

us-gaap:DerivativeLiabilityFairValueGrossLiabilityIncludingNotSubjectToMasterNettingArrangement



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-312015-09-30
Value21001213364133128
Percentage of DerivativeLiabilityFairValueGrossLiabilityIncludingNotSubjectToMasterNettingArrangement100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation

us-gaap:ForeignExchangeContract, us-gaap:Nondesignated



Period End2020-03-312019-12-312019-09-302017-12-312017-09-302016-12-31
Value210001
Percentage of DerivativeLiabilityFairValueGrossLiabilityIncludingNotSubjectToMasterNettingArrangement100.0100.00.00.00.0100.0

us-gaap:HedgingDesignation

us-gaap:DesignatedAsHedgingInstrument



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-31
Value000012133641130
Percentage of DerivativeLiabilityFairValueGrossLiabilityIncludingNotSubjectToMasterNettingArrangement0.00.00.00.0100.0100.0100.0100.0100.084.6100.00.0

us-gaap:Nondesignated



Period End2020-03-312019-12-312019-09-302017-12-312017-09-302016-12-31
Value210201
Percentage of DerivativeLiabilityFairValueGrossLiabilityIncludingNotSubjectToMasterNettingArrangement100.0100.00.015.40.0100.0

us-gaap:DerivativeInstrumentRisk

us-gaap:DerivativeNonmonetaryNotionalAmount

us-gaap:CommodityContract



Period End2020-03-312019-12-312018-12-31
Value415434
Percentage of DerivativeNonmonetaryNotionalAmount100.0100.0100.0

us-gaap:DerivativeInstrumentRisk

us-gaap:DerivativeNotionalAmount

us-gaap:ForeignExchangeContract



Period End2020-03-312019-12-312019-09-302018-12-31
Value65908516
Percentage of DerivativeNotionalAmount100.0100.0100.0100.0

us-gaap:FinanceLeaseLiabilityNoncurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value2332382422462500
Percentage of FinanceLeaseLiabilityNoncurrent100.0100.0100.0100.0100.00.0

us-gaap:FinanceLeaseRightOfUseAsset



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value1872993083223320
Percentage of FinanceLeaseRightOfUseAsset100.0100.0100.0100.0100.00.0

us-gaap:CreditFacility

us-gaap:LineOfCredit

hes:JPMorganChaseBankNATermLoanAgreement



Period End2020-03-31
Value1000
Percentage of LineOfCredit100.0

us-gaap:RevolvingCreditFacility



Period End2020-03-312017-12-312016-12-312015-12-31
Value3500000
Percentage of LineOfCredit350.00.00.00.0

us-gaap:CreditFacility

us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity

hes:JPMorganChaseBankNATermLoanAgreement



Period End2020-03-31
Value1000
Percentage of LineOfCreditFacilityMaximumBorrowingCapacity100.0

us-gaap:OperatingLeaseLiabilityNoncurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value3573533723954360
Percentage of OperatingLeaseLiabilityNoncurrent100.0100.0100.0100.0100.00.0

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302008-12-312007-12-312006-12-31
Value8178970610177105311055310888110461133611937123541442815078152331559120915211742163420401223632110321667223202436524354242422478423842239732252521203206521995919157185921891418904181171680915828145301402713528130071237812391100008376
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-312007-12-312006-12-31
Value239-699-776-648-650-306-502-522-571-686-1472-1518-1667-1704-1372-1499-1484-1664-1582-1436-1504-1410-487-384-276-338-447-419-452-493-675-779-1057-1067-867-662-873-1159-1675-2008-1841-1564
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest2.9-7.2-7.6-6.2-6.2-2.8-4.5-4.6-4.8-5.6-10.2-10.1-10.9-10.9-6.6-7.1-6.9-8.2-7.1-6.8-6.9-6.3-2.0-1.6-1.1-1.4-1.9-1.7-2.0-2.3-3.3-3.9-5.5-5.7-4.6-3.5-4.8-6.9-12.4-16.2-18.4-18.7

us-gaap:AdditionalPaidInCapital



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-312012-12-312010-12-312009-12-312008-12-312007-12-312006-12-31
Value5633559155435513548153865445550157015824584758265804577357635741572241274097332933063277341734543498352432562481234718821689
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest68.957.654.552.451.949.549.348.547.847.140.538.638.137.027.627.126.420.218.315.815.314.714.014.214.116.619.418.318.918.820.2

us-gaap:CommonStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-312007-12-312006-12-31
Value307305305304304291296300308315318318318317317317317286286287287286299308314325338343343342342342342340340340340338327326321315
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest3.83.13.02.92.92.72.72.62.62.52.22.12.12.01.51.51.51.41.31.41.31.31.21.31.31.31.41.41.51.61.71.71.81.81.81.81.92.02.42.63.23.8

us-gaap:NoncontrollingInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302008-12-312007-12-312006-12-31
Value97897412691237121112591396136413321303129612981085105710771055103610151032001151169798647376107113110729476811281681209816517214413311984226229
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest12.010.012.511.711.511.612.612.011.210.59.08.67.16.85.15.04.85.04.60.00.00.50.50.40.40.30.30.30.50.50.50.40.50.40.40.70.90.70.61.11.21.11.01.00.72.32.7

us-gaap:Parent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302008-12-312007-12-312006-12-31
Value720087328908929493429629965099721060511051131321378014148145341983820119205981938621331211032166722205242492425724144247202376923897224182109020542198871906318516188331877617949166891573014365138551338412874122591230797748147
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest88.090.087.588.388.588.487.488.088.889.591.091.492.993.294.995.095.295.095.4100.0100.099.599.599.699.699.799.799.799.599.599.599.699.599.699.699.399.199.399.498.998.898.999.099.099.397.797.3

us-gaap:PreferredStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value0.00.00.00.00.01000000.01000000.01000000.01000000.01000000.01000000.01000000.01000000.01000000.01000000.01000000.01000000.00.00.00.00.00.00.0
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-312007-12-312006-12-31
Value102135353836412542074257441046925166559784389153969210147151291555916042166371853018923195782005221020208792069321235202792036918958177171737716854163371582615991157251515114254122511164294127707
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest12.536.437.739.239.939.139.941.443.345.358.560.763.665.172.373.574.281.582.989.790.489.886.385.785.485.785.185.084.283.684.184.485.385.184.583.283.684.890.694.094.192.0

us-gaap:Ownership

us-gaap:VariableInterestEntityConsolidatedLiabilitiesNoRecourse

hes:HessMidstreamLP



Period End2020-03-312019-12-31
Value19711941
Percentage of VariableInterestEntityConsolidatedLiabilitiesNoRecourse100.0100.0

Line plots across dimensions of each concept

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Energy


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


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


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


us-gaap:ProfitLoss us-gaap:StatementEquityComponents


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


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


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


us-gaap:ProfitLoss us-gaap:StatementEquityComponents


us-gaap:DepreciationDepletionAndAmortization us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments