XOM


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

Table of contents



us-gaap:CommonStockValue

us-gaap:CommonStockSharesOutstanding

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareDiluted

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest

us-gaap:CostsAndExpenses

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxesPaidNet

us-gaap:InterestExpense

us-gaap:InterestPaidNet

us-gaap:NetIncomeLoss
us-gaap:StatementBusinessSegments

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest

us-gaap:OtherComprehensiveIncomeLossNetOfTax
us-gaap:StatementEquityComponents

us-gaap:OtherNonoperatingIncomeExpense

us-gaap:ProfitLoss
us-gaap:StatementEquityComponents

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:HedgingDesignation
us-gaap:StatementBusinessSegments
us-gaap:StatementGeographical

us-gaap:Revenues

us-gaap:SellingGeneralAndAdministrativeExpense

us-gaap:Assets
us-gaap:StatementBusinessSegments
us-gaap:StatementGeographical, us-gaap:StatementBusinessSegments

us-gaap:Liabilities

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:StockholdersEquity

us-gaap:AssetsCurrent

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:AccountsReceivableNetCurrent

us-gaap:ReceivablesNetCurrent

us-gaap:OtherAssetsCurrent

us-gaap:PropertyPlantAndEquipmentGross
us-gaap:PropertyPlantAndEquipmentByType

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:PropertyPlantAndEquipmentNet
us-gaap:PropertyPlantAndEquipmentByType
us-gaap:StatementGeographical

us-gaap:LongTermInvestments

us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures
us-gaap:BalanceSheetLocation, xom:LeaseType
us-gaap:OperatingLeaseRightOfUseAsset
xom:LeaseType

us-gaap:OtherAssetsNoncurrent

us-gaap:AccountsPayableAndAccruedLiabilitiesCurrent

us-gaap:AccruedIncomeTaxesCurrent

us-gaap:DebtCurrent

us-gaap:LiabilitiesCurrent

us-gaap:LongTermDebtCurrent
us-gaap:BalanceSheetLocation, xom:LeaseType
us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:LongTermDebtAndCapitalLeaseObligations

us-gaap:DeferredIncomeTaxLiabilitiesNet

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent
us-gaap:RetirementPlanSponsorLocation

us-gaap:MinorityInterest

us-gaap:OtherLiabilitiesNoncurrent
us-gaap:BalanceSheetLocation, xom:LeaseType
us-gaap:OperatingLeaseLiabilityNoncurrent
xom:LeaseType
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo
xom:LeaseType
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree
xom:LeaseType
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour
xom:LeaseType
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive
xom:LeaseType
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive
xom:LeaseType
us-gaap:OperatingLeaseLiability
xom:LeaseType
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue
xom:LeaseType
us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:StockholdersEquity

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
us-gaap:StatementEquityComponents

us-gaap:CommonStockValue

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax
us-gaap:ConsolidatedEntities

us-gaap:TreasuryStockValue

us-gaap:MinorityInterest
us-gaap:StatementEquityComponents
us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:DepreciationDepletionAndAmortization

us-gaap:IncreaseDecreaseInInventories

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetIncomeLoss
us-gaap:StatementBusinessSegments

us-gaap:ProfitLoss
us-gaap:StatementEquityComponents

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:ProceedsFromIssuanceOfLongTermDebt

us-gaap:RepaymentsOfLongTermDebt

us-gaap:PaymentsOfDividendsCommonStock

us-gaap:PaymentsForRepurchaseOfCommonStock

us-gaap:UnrecognizedTaxBenefits

us-gaap:DeferredTaxAssetsValuationAllowance

us-gaap:CommonStockDividendsPerShareCashPaid
us-gaap:RetirementPlanSponsorLocation
us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets
us-gaap:RetirementPlanSponsorLocation
us-gaap:DefinedBenefitPlanInterestCost
us-gaap:RetirementPlanSponsorLocation
us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost
us-gaap:RetirementPlanSponsorLocation
us-gaap:DefinedBenefitPlanRecognizedNetGainLossDueToSettlementsAndCurtailments1
us-gaap:RetirementPlanSponsorLocation
us-gaap:DefinedBenefitPlanServiceCost
us-gaap:Energy, us-gaap:Position
us-gaap:DerivativeNonmonetaryNotionalAmountEnergyMeasure
us-gaap:Energy, us-gaap:Position
us-gaap:DerivativeNonmonetaryNotionalAmountVolume
us-gaap:StatementEquityComponents
us-gaap:DividendsCommonStock

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:ExplorationExpense
us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType
us-gaap:FinancingReceivableAllowanceForCreditLossesEffectOfChangeInMethod
us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType
us-gaap:FinancingReceivableAllowanceForCreditLossesWriteOffs
us-gaap:HedgingDesignation
us-gaap:GainLossOnDerivativeInstrumentsNetPretax

us-gaap:GoodwillImpairmentLoss

us-gaap:IncomeLossFromEquityMethodInvestments

us-gaap:IncreaseDecreaseInOtherCurrentAssetsAndLiabilitiesNet

us-gaap:InterestPaid

us-gaap:InterestPaidCapitalized

us-gaap:InventoryWriteDown

us-gaap:LineOfCreditFacilityIncreaseDecreaseForPeriodNet
us-gaap:StatementEquityComponents
us-gaap:MinorityInterestDecreaseFromRedemptions

us-gaap:NetPeriodicDefinedBenefitsExpenseReversalOfExpenseExcludingServiceCostComponent

us-gaap:OffBalanceSheetCreditLossLiabilityChangeInMethodCreditLossExpenseReversal

us-gaap:OffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal

us-gaap:OtherAssetImpairmentCharges
us-gaap:ConsolidatedEntities
us-gaap:OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax
us-gaap:ConsolidatedEntities
us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities
us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationBeforeTax

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationNetOfTax
us-gaap:ConsolidatedEntities

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax
us-gaap:ConsolidatedEntities
us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax
us-gaap:ConsolidatedEntities

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax

us-gaap:OtherComprehensiveIncomeLossTaxPortionAttributableToParent1

us-gaap:OtherOperatingActivitiesCashFlowStatement

us-gaap:PaymentsForProceedsFromOtherInvestingActivities

us-gaap:PaymentsForRestructuring

us-gaap:PaymentsOfDividendsMinorityInterest
us-gaap:Range, us-gaap:StatementScenario, us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations
us-gaap:ProceedsFromDivestitureOfBusinesses

us-gaap:ProceedsFromHedgeFinancingActivities

us-gaap:ProceedsFromPaymentsToMinorityShareholders

us-gaap:ProceedsFromRepaymentsOfOtherDebt

us-gaap:ProceedsFromSalesOfBusinessAffiliateAndProductiveAssets

us-gaap:ProceedsFromShortTermDebt
us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType
us-gaap:ProvisionForLoanLossesExpensed
us-gaap:ConsolidatedEntities
us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax

us-gaap:RepaymentsOfShortTermDebtMaturingInMoreThanThreeMonths

us-gaap:RestructuringCharges
us-gaap:RestructuringCostAndReserve

us-gaap:StockIssuedDuringPeriodSharesTreasuryStockReissued
us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodValueTreasuryStockReissued
us-gaap:StatementEquityComponents

us-gaap:StockholdersEquityOther
us-gaap:StatementEquityComponents

us-gaap:TaxesOther
us-gaap:StatementEquityComponents
us-gaap:TreasuryStockValueAcquiredCostMethod

xom:AdditionalInvestmentsAndAdvances

xom:AmortizationOfStockBasedAwards
us-gaap:StatementEquityComponents

xom:CrudeOilAndProductPurchases
us-gaap:HedgingDesignation

xom:CumulativeEffectOfAccountingChange
us-gaap:StatementEquityComponents
us-gaap:RetirementPlanSponsorLocation
xom:DefinedBenefitPlanAmortizationOfActuarialLossGainAndPriorServiceCostCredit

xom:DividendsCommonStockIncNoncontrollingInt

xom:InventoryWriteDownAfterTaxExxonmobilShare
us-gaap:ConsolidatedEntities
xom:OtherComprehensiveIncomeLossNetInvestmentHedgeGainLossNetOfTax

xom:OtherComprehensiveIncomePostretirementBenefitsRecognizedInNetPeriodicPensionCostNetOfTax
us-gaap:ConsolidatedEntities

xom:ProductionAndManufacturingExpenses

xom:TreasurySharesAcquiredAndRestrictedStockForfeitures
us-gaap:StatementEquityComponents

xom:TreasuryStockIncludingNonControllingInterests

dei:EntityCommonStockSharesOutstanding

us-gaap:AccountsAndFinancingReceivableAllowanceForCreditLoss

us-gaap:AccountsNotesAndLoansReceivableNetCurrent

us-gaap:AccountsPayableOtherCurrent

us-gaap:AccountsPayableTradeCurrent
us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType
us-gaap:AccountsReceivableNet

us-gaap:AccrualForTaxesOtherThanIncomeTaxesCurrent
us-gaap:ConsolidatedEntities
us-gaap:AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax
us-gaap:ConsolidatedEntities
us-gaap:AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax

us-gaap:AdvancesToAffiliate

us-gaap:AllowanceForDoubtfulAccountsReceivable
us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent

us-gaap:AllowanceForNotesAndLoansReceivableCurrent

us-gaap:AssetRetirementObligation

us-gaap:AssetRetirementObligationsNoncurrent

us-gaap:CapitalizedExploratoryWellCosts

us-gaap:CapitalizedExploratoryWellCostsThatHaveBeenCapitalizedForPeriodGreaterThanOneYear
us-gaap:AgingOfCapitalizedExploratoryWellCosts

us-gaap:CapitalizedExploratoryWellCostsThatHaveBeenCapitalizedForPeriodOfOneYearOrLess

us-gaap:CommercialPaper
us-gaap:ConsolidatedEntities, us-gaap:DebtInstrument
us-gaap:DebtInstrumentInterestRateEffectivePercentage
us-gaap:ConsolidatedEntities, us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:ConsolidatedEntities
us-gaap:DebtInstrumentUnamortizedPremium
us-gaap:ConsolidatedEntities, us-gaap:DebtInstrument

us-gaap:DeferredFinanceCostsNet

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredTaxAndOtherLiabilitiesNoncurrent

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards

us-gaap:DeferredTaxAssetsOther

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensions

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAssetRetirementObligations

us-gaap:DeferredTaxLiabilitiesOther

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment
us-gaap:RetirementPlanSponsorLocation
us-gaap:DefinedBenefitPlanAccumulatedBenefitObligation
us-gaap:RetirementPlanSponsorLocation
us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax
us-gaap:RetirementPlanSponsorLocation
us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax
us-gaap:RetirementPlanSponsorLocation
us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax
us-gaap:RetirementPlanSponsorLocation
us-gaap:DefinedBenefitPlanAmountsRecognizedInBalanceSheet
us-gaap:RetirementPlanSponsorLocation
us-gaap:DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent
us-gaap:RetirementPlanSponsorLocation
us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate
us-gaap:RetirementPlanSponsorLocation
us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease
us-gaap:RetirementPlanSponsorLocation
us-gaap:DefinedBenefitPlanBenefitObligation
us-gaap:RetirementPlanSponsorLocation
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter
us-gaap:RetirementPlanSponsorLocation
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths
us-gaap:RetirementPlanSponsorLocation
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive
us-gaap:RetirementPlanSponsorLocation
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour
us-gaap:RetirementPlanSponsorLocation
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree
us-gaap:RetirementPlanSponsorLocation
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo
us-gaap:RetirementPlanSponsorLocation
us-gaap:DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanPensionPlanWithProjectedBenefitObligationInExcessOfPlanAssetsPlanAssets
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanPensionPlanWithProjectedBenefitObligationInExcessOfPlanAssetsProjectedBenefitObligation
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateProjectedBenefitObligation
us-gaap:DefinedBenefitPlanByPlanAssetCategories, us-gaap:RetirementPlanSponsorLocation
us-gaap:DefinedBenefitPlanPlanAssetsTargetAllocationPercentage

us-gaap:DefinedBenefitPlanUltimateHealthCareCostTrendRate1
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:DerivativeAssetsCurrent
us-gaap:FairValueByMeasurementBasis
us-gaap:StatementScenario
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:DerivativeLiabilitiesCurrent
us-gaap:FairValueByMeasurementBasis
us-gaap:StatementScenario
us-gaap:StatementScenario, us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations
us-gaap:DisposalGroupIncludingDiscontinuedOperationConsideration

us-gaap:DueToRelatedPartiesNoncurrent
us-gaap:AwardType
us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized

us-gaap:EnergyRelatedInventory

us-gaap:EnergyRelatedInventoryChemicals

us-gaap:EnergyRelatedInventoryPetroleum
dei:LegalEntity, us-gaap:StatementBusinessSegments
us-gaap:EquityMethodInvestmentOwnershipPercentage
us-gaap:ConsolidatedEntities
us-gaap:EquityMethodInvestmentSummarizedFinancialInformationAssets
us-gaap:ConsolidatedEntities
us-gaap:EquityMethodInvestmentSummarizedFinancialInformationCurrentAssets
us-gaap:ConsolidatedEntities
us-gaap:EquityMethodInvestmentSummarizedFinancialInformationCurrentLiabilities
us-gaap:ConsolidatedEntities
us-gaap:EquityMethodInvestmentSummarizedFinancialInformationNoncurrentAssets
us-gaap:ConsolidatedEntities
us-gaap:EquityMethodInvestmentSummarizedFinancialInformationNoncurrentLiabilities

us-gaap:EquityMethodInvestments
us-gaap:ConsolidatedEntities
us-gaap:StatementBusinessSegments
us-gaap:StatementGeographical, us-gaap:StatementBusinessSegments

us-gaap:ExcessOfReplacementOrCurrentCostsOverStatedLIFOValue
xom:LeaseType
us-gaap:FinanceLeaseLiability
us-gaap:BalanceSheetLocation, xom:LeaseType
us-gaap:FinanceLeaseLiabilityCurrent
us-gaap:BalanceSheetLocation, xom:LeaseType
us-gaap:FinanceLeaseLiabilityNoncurrent
xom:LeaseType
us-gaap:FinanceLeaseLiabilityPaymentsDue
xom:LeaseType
us-gaap:FinanceLeaseLiabilityPaymentsDueAfterYearFive
xom:LeaseType
us-gaap:FinanceLeaseLiabilityPaymentsDueNextTwelveMonths
xom:LeaseType
us-gaap:FinanceLeaseLiabilityPaymentsDueYearFive
xom:LeaseType
us-gaap:FinanceLeaseLiabilityPaymentsDueYearFour
xom:LeaseType
us-gaap:FinanceLeaseLiabilityPaymentsDueYearThree
xom:LeaseType
us-gaap:FinanceLeaseLiabilityPaymentsDueYearTwo
xom:LeaseType
us-gaap:FinanceLeaseLiabilityUndiscountedExcessAmount
us-gaap:BalanceSheetLocation, xom:LeaseType
us-gaap:FinanceLeaseRightOfUseAsset
xom:LeaseType
xom:LeaseType
us-gaap:FinanceLeaseWeightedAverageDiscountRatePercent
us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType
us-gaap:FinancingReceivableAllowanceForCreditLosses

us-gaap:GuaranteeObligationsCurrentCarryingValue
us-gaap:GuaranteeObligationsByNature
us-gaap:GuaranteeObligationsByNature, us-gaap:LossContingenciesByNatureOfContingency
us-gaap:LossContingenciesByNatureOfContingency

us-gaap:IncomeTaxExaminationInterestAccrued

us-gaap:InventoryCrudeOilProductsAndMerchandise

us-gaap:InventoryPartsAndComponentsNetOfReserves
xom:LeaseType
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity
us-gaap:CreditFacility
us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity
us-gaap:LongtermDebtType

us-gaap:LongTermAccountsNotesAndLoansReceivableNetNoncurrent

us-gaap:LongTermDebtAndCapitalLeaseObligationsCurrent
us-gaap:ConsolidatedEntities
us-gaap:LongTermDebtFairValue
us-gaap:ConsolidatedEntities, us-gaap:StatementScenario, us-gaap:DebtInstrument

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo

us-gaap:LongTermInvestmentsAndReceivablesNet

us-gaap:NotesAndLoansReceivableNetCurrent
us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType
us-gaap:NotesReceivableNet
xom:LeaseType
us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:OtherAssetsFairValueDisclosure
us-gaap:FairValueByMeasurementBasis
us-gaap:StatementScenario
us-gaap:ConsolidatedEntities, us-gaap:LongtermDebtType
us-gaap:OtherLongTermDebtNoncurrent
us-gaap:RetirementPlanSponsorLocation
us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities
us-gaap:RetirementPlanSponsorLocation
us-gaap:PrescriptionDrugSubsidyReceiptsAfterYearFive
us-gaap:RetirementPlanSponsorLocation
us-gaap:PrescriptionDrugSubsidyReceiptsNextTwelveMonths
us-gaap:RetirementPlanSponsorLocation
us-gaap:PrescriptionDrugSubsidyReceiptsYearFive1
us-gaap:RetirementPlanSponsorLocation
us-gaap:PrescriptionDrugSubsidyReceiptsYearFour1
us-gaap:RetirementPlanSponsorLocation
us-gaap:PrescriptionDrugSubsidyReceiptsYearThree1
us-gaap:RetirementPlanSponsorLocation
us-gaap:PrescriptionDrugSubsidyReceiptsYearTwo1

us-gaap:ProjectsThatHaveExploratoryWellCostsThatHaveBeenCapitalizedForPeriodGreaterThanOneYear
us-gaap:Range
us-gaap:RestructuringAndRelatedCostExpectedCost1

us-gaap:RestructuringReserve
us-gaap:ConsolidatedEntities, us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:SeniorLongTermNotes

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized

us-gaap:ShortTermBankLoansAndNotesPayable

us-gaap:ShortTermDebtWeightedAverageInterestRate

us-gaap:TreasuryStockShares

xom:AccountsAndFinancingReceivableAndOffBalanceSheetCreditLiability

xom:AccountsReceivableExchangeCollateral

xom:AdvancesToAffiliateAllowance
us-gaap:FairValueByFairValueHierarchyLevel
xom:AdvancesToReceivablesFromEquityCompanies
us-gaap:FairValueByMeasurementBasis
us-gaap:StatementScenario

xom:AllowanceForLongTermAccountsNotesAndLoansReceivableNoncurrent

xom:CapitalizedExploratoryWellCostsAttributableToEquityCompanies

xom:DeferredTaxAssetIncludedInOtherAssetsIncludingIntangiblesNet

xom:DefinedBenefitPlanAmortizationOfActuarialLossGainAndPriorServiceCostCreditAndRecognizedNetGainLossDueToSettlementsAndCurtailments
us-gaap:DefinedBenefitPlanByPlanAssetCategories, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:RetirementPlanSponsorLocation
xom:DefinedBenefitPlanFairValueOfPlanAssetsFairValueHierarchy
us-gaap:DefinedBenefitPlanByPlanAssetCategories, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:RetirementPlanType
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanByPlanAssetCategories, us-gaap:RetirementPlanSponsorLocation
xom:DefinedBenefitPlanFairValueOfPlanAssetsNetAssetValue
us-gaap:DefinedBenefitPlanByPlanAssetCategories, us-gaap:RetirementPlanType
us-gaap:RetirementPlanType
us-gaap:StatementScenario, us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations
xom:ExpectedRangeOfProceedsFromDivestitureOfBusiness
us-gaap:ConsolidatedEntities, us-gaap:DebtInstrument
xom:FinanceLeaseLiabilityNonCurrentLongTermDebt
us-gaap:RetirementPlanSponsorLocation
xom:FundedPlans
us-gaap:StatementBusinessSegments
xom:IntersegmentRevenue

xom:IssuedAndOutstandingRestrictedStock
xom:LeaseType
xom:LesseeLeaseLeaseNotYetCommenced

xom:LongTermDebtInUsDollars
us-gaap:FairValueByFairValueHierarchyLevel
xom:LongTermFairValueDebt
us-gaap:FairValueByMeasurementBasis
us-gaap:StatementScenario
us-gaap:FairValueByFairValueHierarchyLevel
xom:LongTermObligationsToEquityCompanies
us-gaap:FairValueByMeasurementBasis
us-gaap:StatementScenario

xom:NaturalGasAndOtherInventory

xom:NumberOfProjectsThatOnlyHaveExploratoryWellCostsCapitalizedForPeriodOfOneYearOrLess

xom:NumberOfProjectsWithCapitalizedWellDrilledInPrecedingTwelveMonthsOrExplorationPlannedInNextTwoYearsAsOfYearEnd

xom:NumberOfProjectsWithCapitalizedWellExplorationCompletedAsOfYearEndProgressingTowardDevelopment

xom:OtherCapitalizedExploratoryWellCosts
us-gaap:FairValueByFairValueHierarchyLevel
xom:OtherLongTermFinancialLiabilities
us-gaap:FairValueByMeasurementBasis
us-gaap:StatementScenario

xom:PayablesToEquityCompanies

xom:ReservesForLongTermReceivablesAndMiscellaneousInvestments

xom:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorizedRemaining

xom:TotalNumberOfProjects
us-gaap:RetirementPlanSponsorLocation
xom:UnfundedPlans

xom:UsDollarEquivalentAtYearEndExchangeRatesOfAmountsPayableInForeignCurrencies

Plots across concepts


IncomeStatement
Other Comprehensive Income Loss Net Of Tax
Expenses
Interest Expense
Balance Sheet
Cash And Cash Equivalents At Carrying Value
Assets
Cash And Cash Equivalents At Carrying Value
Current Assets
Other Assets Current
NonCurrent Assets
Long Term Investments
PropertyPlantAndEquipmentNet
Property Plant And Equipment Net
Liabilities
Liabilities Current
Current Liabilities
Accrued Income Taxes Current
Noncurrent Liabilities
Minority Interest
Stockholders Equity
Accumulated Other Comprehensive Income Loss Net Of Tax
Per Share
Common Stock Dividends Per Share Cash Paid
CashFlow
Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInOperatingActivities
Inventory Write Down
NetCashProvidedByUsedInInvestingActivities
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInFinancingActivities
Net Cash Provided By Used In Financing Activities
DividendsAndRepurchase
Payments For Repurchase Of Common Stock
AccountsReceivable
Allowance For Doubtful Accounts Receivable Current

Tables

  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:CommonStockValue █▇▇█▇▆▆▇▆▆▅▅▄▃▂▃▂▁16006.015884.015688.015997.015812.015636.015637.015795.015639.015476.015258.015254.015086.014888.014656.014783.014617.014415.0
us-gaap:CommonStockSharesOutstanding ▅▅▄▁▁▁▅▃▃▃▇▅▅▅█▇▇▇4234.04234.04233.04228.04228.04228.04234.04231.04231.04231.04237.04234.04234.04234.04239.04237.04237.04237.0
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic █▁4276.04272.0NA4271.04271.04270.0NA4271.04271.04270.0NA4271.04271.04270.0NA4271.04271.04223.0
us-gaap:EarningsPerShareBasic ▇▇▁▆▆▆▇▇▇▇▇▇▇▇█▇▇▇1.10.64-4.7-0.15-0.26-0.141.330.750.730.551.40999999999999971.460.921.091.96999999999999980.930.780.95
us-gaap:EarningsPerShareDiluted ▇▇▁▆▆▆▇▇▇▇▇▇▇▇█▇▇▇1.10.64-4.7-0.15-0.26-0.141.330.750.730.551.40999999999999971.460.921.091.96999999999999980.930.780.95
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
 TTM Greenblatt ROC _ _▇▇▁▆▆▆▇▇▇▇██▇█▇▇▇▇6307.03592.0-26613.0-372.0-1640.0-258.06414.04721.04632.04289.08121.09080.06512.07240.03017.05583.04156.05918.0
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:ComprehensiveIncomeNetOfTax ▇▇▁▆▆▄▇▆▇▆▇▇▆▇█▇▇▇5194.03345.0-16586.0748.01642.0-5456.05474.02098.03707.03132.04806.06479.02333.03959.08769.06221.05127.05570.0
us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest ▇▆▃▆▆▁▅▆█▇▅▇▅▅▅█▇▆178.0146.0-294.092.0131.0-672.01.014.0391.0182.0-31.0311.0-97.0-9.0-7.0372.0169.0159.0
us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest ▇▇▁▆▆▄▇▆▇▇▇▇▆▇█▇▇▇5372.03491.0-16880.0840.01773.0-6128.05475.02112.04098.03314.04775.06790.02236.03950.08762.06593.05296.05729.0
us-gaap:CostsAndExpenses ▆▅█▃▁▅▆▆▆▆▆▇▇▆▄▆▅▅61435.055555.073153.046571.034245.056416.060759.060328.064459.059336.063774.067525.066989.060971.049018.060582.058720.057369.0
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest ▇▇▁▆▆▆▇▇▇▇██▇█▇▇▇▇6307.03592.0-26613.0-372.0-1640.0-258.06414.04721.04632.04289.08121.09080.06512.07240.03017.05583.04156.05918.0
us-gaap:IncomeTaxExpenseBenefit ▇▇▁▆▅▆▆▇▇▇▇███▂▇▇▇1526.0796.0-6010.0337.0-471.0512.0684.01474.01241.01883.01915.02634.02526.02457.0-5392.01498.0892.01828.0
us-gaap:IncomeTaxesPaidNet ▄▃▁▂▂▄▅▄▆▅▇▇▇▆█▄▄▆1224.0855.087.0573.0396.01372.01759.01375.02091.01793.02554.02314.02309.02117.02899.01364.01277.01970.0
us-gaap:InterestExpense ▆▆█▇█▆▄▅▅▃▅▄▂▄▄▁▃▂254.0258.0313.0279.0317.0249.0201.0232.0216.0181.0215.0200.0147.0204.0186.0111.0158.0146.0
us-gaap:InterestPaidNet ▃█▃█▂▆▃▅▂▅▁▅▁▅61.0405.060.0436.0-23.0313.045.0238.030.0247.0-34.0193.0-62.0206.0NANANANA
us-gaap:NetIncomeLoss ▇▇▁▆▆▆▇▇▇▇▇▇▇▇█▇▇▇4690.02730.0-20070.0-680.0-1080.0-610.05690.03170.03130.02350.06000.06240.03950.04650.08380.03970.03350.04010.0
us-gaap:NetIncomeLossAttributableToNoncontrollingInterest ▇▆▁▅▅▄▆▆█▆██▆▇▆▇▅▆91.066.0-533.0-29.0-89.0-160.040.077.0261.056.0206.0206.036.0133.029.0115.0-86.080.0
us-gaap:OtherComprehensiveIncomeLossNetOfTax ▆▆█▆▇▁▅▄▆▆▄▅▄▄▅▇▇▆591.0695.03723.01549.02942.0-5358.0-255.0-1135.0707.0908.0-1431.0344.0-1750.0-833.0353.02508.02032.01639.0
us-gaap:OtherNonoperatingIncomeExpense ▂▁▂▁▁▁█▂▁▁▅▂363.0122.0465.0257.0225.0249.02972.0431.0241.0270.01886.0458.0NANANANANANA
us-gaap:ProfitLoss ▇▇▁▆▆▆▇▇▇▇▇█▇▇█▇▇▇4781.02796.0-20603.0-709.0-1169.0-770.05730.03247.03391.02406.06206.06446.03986.04783.08409.04085.03264.04090.0
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax ▇▅▃▃▁▅▆▆▇▆▇██▇▇▆▅▅65943.057552.045738.045425.032277.055134.063024.063422.067491.061646.068253.074187.071456.065436.065312.059350.056026.056474.0
us-gaap:Revenues ▇▅▃▃▁▅▇▆▇▆▇██▇▇▆▅▅67742.059147.046540.046199.032605.056158.067173.065049.067491.061646.068253.074187.071456.065436.065312.059350.056026.056474.0
us-gaap:SellingGeneralAndAdministrativeExpense ▁▂▅▂▂▃█▅▆▅▆▆▇▅█▅▄▄2345.02428.02736.02444.02409.02579.03048.02753.02827.02770.02848.02892.02993.02747.03004.02725.02628.02599.0
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:Assets ▂▁▁▇█▆█▇█▆▄▆▅▅▅▅▃▄337289.0333770.0332750.0358043.0361495.0355804.0362597.0359361.0360729.0356189.0346196.0354628.0348790.0348826.0348691.0349427.0343012.0344209.0
us-gaap:Liabilities ▇▇▆██▆▅▅▅▄▁▄▃▃▃▄▃▄171733.0169669.0168620.0173431.0174342.0167061.0163659.0162252.0162264.0158168.0147668.0157797.0155257.0153915.0154191.0160229.0157174.0160438.0
us-gaap:LiabilitiesAndStockholdersEquity ▂▁▁▇█▆█▇█▆▄▆▅▅▅▅▃▄337289.0333770.0332750.0358043.0361495.0355804.0362597.0359361.0360729.0356189.0346196.0354628.0348790.0348826.0348691.0349427.0343012.0344209.0
us-gaap:StockholdersEquity ▁▁▁▅▆▆██████▇▇▇▆▅▅158571.0156974.0157150.0177400.0180183.0182079.0191650.0189915.0191377.0191222.0191794.0190365.0187222.0188195.0187688.0182276.0179178.0177151.0
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:AssetsCurrent ▇▅▃▅▇▆▆▆▇▇▄█▆▅▄▃▁▂52842.048195.044893.048693.053016.050249.050052.050008.051743.051576.047973.053975.050555.048315.047134.045752.042180.043131.0
us-gaap:CashAndCashEquivalentsAtCarryingValue ▁▁▂▅█▇▁▃▂▂▁▃▁▂▁▂▂▂3465.03515.04364.08832.012576.011412.03089.05351.04213.04586.03042.05669.03430.04125.03177.04266.04042.04897.0
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents ▁▁▂▅█▇▁▃▂▂▁▃3465.03515.04364.08832.012576.011412.03089.05351.04213.04586.03042.05669.0NANA3177.0NANANA
us-gaap:AccountsReceivableNetCurrent NANA16339.0NANANA21100.0NANANA19638.0NANANA21274.0NANANA
us-gaap:ReceivablesNetCurrent █▅▂▂▁▂▇▆▇▇▅█▇▅▆▄▃▃28540.024755.020581.019974.019036.020871.026966.025308.027132.027105.024701.027880.026993.024686.025597.023263.021289.021842.0
us-gaap:OtherAssetsCurrent ▅▅▁█▆▄▄▆▅▅▂▅▅▄▃▄▄▄1562.01568.01098.02002.01747.01465.01469.01759.01563.01553.01272.01665.01649.01456.01368.01480.01544.01519.0
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:PropertyPlantAndEquipmentGross NANA505322.0NANANA486702.0NANANA477190.0NANANA477185.0NANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:DownstreamEquipmentNANA57922.0NANANA52527.0NANANA48241.0NANANA50343.0NANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:OtherMachineryAndEquipmentNANA17918.0NANANA17346.0NANANA17150.0NANANA16972.0NANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:UpstreamEquipmentNANA386614.0NANANA376041.0NANANA372791.0NANANANANANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType xom:ChemicalEquipmentNANA42868.0NANANA40788.0NANANA39008.0NANANA37966.0NANANA
us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment NANA277769.0NANANA233684.0NANANA230089.0NANANA224555.0NANANA
us-gaap:PropertyPlantAndEquipmentNet ▁▁▂▇▇▆▇▇▇▆▆▇▆▇▇█▇▇223012.0224641.0227553.0250496.0250524.0248409.0253018.0250512.0250853.0248563.0247101.0249153.0248209.0250352.0252630.0255556.0252987.0253147.0
us-gaap:LongTermInvestments NANA143.0NANANA190.0NANANANANANANANANANANA
us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures NANA38584.0NANANA37833.0NANANA34990.0NANANANANANANA
 us-gaap:OperatingLeaseRightOfUseAsset us-gaap:BalanceSheetLocation,xom:LeaseType us-gaap:OtherAssets,xom:LeaseAgreementsDrillingRigsAndRelatedEquipmentNANA834.0NANANA572.0NANANANANANANANANANANA
 us-gaap:OperatingLeaseRightOfUseAsset us-gaap:BalanceSheetLocation,xom:LeaseType us-gaap:OtherAssets,xom:LeaseAgreementsOtherNANA5244.0NANANA6061.0NANANANANANANANANANANA
 us-gaap:OperatingLeaseRightOfUseAsset us-gaap:BalanceSheetLocation,xom:LeaseType us-gaap:OtherAssets,xom:OperatingLeaseNANA6078.0NANANA6633.0NANANANANANANANANANANA
 us-gaap:OperatingLeaseRightOfUseAsset xom:LeaseType xom:LeaseAgreementsDrillingRigsAndRelatedEquipmentNANA834.0NANANA572.0634.0616.0539.0NANANANANANANANA
 us-gaap:OperatingLeaseRightOfUseAsset xom:LeaseType xom:LeaseAgreementsOtherNANA5244.0NANANA6061.05919.05649.03901.0NANANANANANANANA
 us-gaap:OperatingLeaseRightOfUseAsset xom:LeaseType xom:OperatingLeaseNANA6078.0NANANA6633.06553.06265.04440.0NANANANANANANANA
us-gaap:OtherAssetsNoncurrent ███▆▆▅█▇▇▅▂▂▂▁▁▂▁▁16661.016753.016789.015245.014763.014165.016363.015921.015600.013982.010332.011073.010335.09809.09767.010470.010126.09663.0
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:AccountsPayableAndAccruedLiabilitiesCurrent █▆▃▂▂▃▆▆▆▆▄▆▅▄▄▃▁▁45780.041017.035221.033340.033216.035815.041831.040541.041480.042090.037268.041714.038490.037207.036796.034698.031100.032069.0
us-gaap:AccruedIncomeTaxesCurrent ▂▂▁▂▂▂▃▅▅▅▅█▇▆▆▆▅▅1165.0948.0684.01217.01102.01203.01580.02458.02612.02748.02612.04161.03457.03263.03045.03338.02664.02822.0
us-gaap:DebtCurrent ▁▃▄▅▅█▄▄▇▅▂▃▄▄▂▁▂▃15293.018185.020458.021911.022952.027755.020578.021196.026195.021794.017258.019413.020500.019836.017930.015741.017185.018483.0
us-gaap:LiabilitiesCurrent ▅▄▃▃▃▆▆▆█▇▃▆▅▄▃▂▁▂62238.060150.056363.056468.057270.064773.063989.064195.070287.066632.057138.065288.062447.060306.057771.053777.050949.053374.0
us-gaap:LongTermDebtCurrent NANA2930.0NANANANANANANA4070.0NANANA4766.0NANANA
 us-gaap:OperatingLeaseLiabilityCurrent us-gaap:BalanceSheetLocation,xom:LeaseType us-gaap:AccountsPayableAndAccruedLiabilities,xom:LeaseAgreementsDrillingRigsAndRelatedEquipmentNANA243.0NANANA221.0NANANANANANANANANANANA
 us-gaap:OperatingLeaseLiabilityCurrent us-gaap:BalanceSheetLocation,xom:LeaseType us-gaap:AccountsPayableAndAccruedLiabilities,xom:LeaseAgreementsOtherNANA925.0NANANA990.0NANANANANANANANANANANA
 us-gaap:OperatingLeaseLiabilityCurrent us-gaap:BalanceSheetLocation,xom:LeaseType us-gaap:AccountsPayableAndAccruedLiabilities,xom:OperatingLeaseNANA1168.0NANANA1211.0NANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:LongTermDebtAndCapitalLeaseObligations █▇███▄▃▃▁▁▁▁▁▁▂▂▂▃45319.045137.047182.046888.046563.031857.026342.025950.019001.019031.020538.020624.020720.020781.024406.024869.024750.025124.0
us-gaap:DeferredIncomeTaxLiabilitiesNet ▁▁▁▇▇▇█18511.018113.018165.024467.024725.024863.025620.0NANANA24035.0NANANA23575.0NANANA
us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent ▇▇█▇█▇█▁▂▃▃▆▆▆▅▄▄▄22082.021835.022415.022097.022341.021913.022304.019365.019822.020051.020272.021448.021504.021696.021132.020874.020778.020584.0
us-gaap:MinorityInterest ▆▇▆▇▆▄█▇▇▄▄▂▁▄▅▅▄▃6985.07127.06980.07212.06970.06664.07288.07194.07088.06799.06734.06466.06311.06716.06812.06922.06660.06620.0
us-gaap:OtherLiabilitiesNoncurrent ▅▆▆▄▄▄▇██▆▁▂▃▄▃▇▆▇20545.021155.021242.020025.019612.019631.021416.021997.022127.020737.018094.018728.019228.019554.019215.021276.021158.021409.0
 us-gaap:OperatingLeaseLiabilityNoncurrent us-gaap:BalanceSheetLocation,xom:LeaseType us-gaap:OtherNoncurrentLiabilities,xom:LeaseAgreementsDrillingRigsAndRelatedEquipmentNANA589.0NANANA330.0NANANANANANANANANANANA
 us-gaap:OperatingLeaseLiabilityNoncurrent us-gaap:BalanceSheetLocation,xom:LeaseType us-gaap:OtherNoncurrentLiabilities,xom:LeaseAgreementsOtherNANA3405.0NANANA4152.0NANANANANANANANANANANA
 us-gaap:OperatingLeaseLiabilityNoncurrent us-gaap:BalanceSheetLocation,xom:LeaseType us-gaap:OtherNoncurrentLiabilities,xom:OperatingLeaseNANA3994.0NANANA4482.0NANANANANANANANANANANA
 us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo xom:LeaseType xom:LeaseAgreementsDrillingRigsAndRelatedEquipmentNANA256.0NANANA134.0138.0120.096.0NANANANANANANANA
 us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo xom:LeaseType xom:LeaseAgreementsOtherNANA817.0NANANA886.0795.0698.0441.0NANANANANANANANA
 us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo xom:LeaseType xom:OperatingLeaseNANA1073.0NANANA1020.0933.0818.0537.0NANANANANANANANA
 us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree xom:LeaseType xom:LeaseAgreementsDrillingRigsAndRelatedEquipmentNANA97.0NANANA73.079.061.057.0NANANANANANANANA
 us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree xom:LeaseType xom:LeaseAgreementsOtherNANA482.0NANANA625.0557.0500.0290.0NANANANANANANANA
 us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree xom:LeaseType xom:OperatingLeaseNANA579.0NANANA698.0636.0561.0347.0NANANANANANANANA
 us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour xom:LeaseType xom:LeaseAgreementsDrillingRigsAndRelatedEquipmentNANA71.0NANANA45.044.041.040.0NANANANANANANANA
 us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour xom:LeaseType xom:LeaseAgreementsOtherNANA387.0NANANA468.0451.0448.0253.0NANANANANANANANA
 us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour xom:LeaseType xom:OperatingLeaseNANA458.0NANANA513.0495.0489.0293.0NANANANANANANANA
 us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive xom:LeaseType xom:LeaseAgreementsDrillingRigsAndRelatedEquipmentNANA71.0NANANA30.029.030.029.0NANANANANANANANA
 us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive xom:LeaseType xom:LeaseAgreementsOtherNANA342.0NANANA425.0406.0404.0213.0NANANANANANANANA
 us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive xom:LeaseType xom:OperatingLeaseNANA413.0NANANA455.0435.0434.0242.0NANANANANANANANA
 us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive xom:LeaseType xom:LeaseAgreementsDrillingRigsAndRelatedEquipmentNANA124.0NANANA72.071.069.070.0NANANANANANANANA
 us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive xom:LeaseType xom:LeaseAgreementsOtherNANA2157.0NANANA2681.02390.01877.0924.0NANANANANANANANA
 us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive xom:LeaseType xom:OperatingLeaseNANA2281.0NANANA2753.02461.01946.0994.0NANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:StockholdersEquity ▁▁▁▅▆▆██████▇▇▇▆▅▅158571.0156974.0157150.0177400.0180183.0182079.0191650.0189915.0191377.0191222.0191794.0190365.0187222.0188195.0187688.0182276.0179178.0177151.0
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest ▁▁▁▅▆▆██████▇▇▇▆▅▅165556.0164101.0164130.0184612.0187153.0188743.0198938.0197109.0198465.0198021.0198528.0196831.0193533.0194911.0194500.0189198.0185838.0183771.0
us-gaap:CommonStockValue █▇▇█▇▆▆▇▆▆▅▅▄▃▂▃▂▁16006.015884.015688.015997.015812.015636.015637.015795.015639.015476.015258.015254.015086.014888.014656.014783.014617.014415.0
us-gaap:RetainedEarningsAccumulatedDeficit ▁▁▁▅▆▇██████▇▇▇▆▆▆383922.0382953.0383943.0407728.0412124.0416919.0421341.0419367.0419913.0420498.0421653.0419155.0416418.0415970.0414540.0409449.0408768.0408707.0
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax ██▇▄▃▁▅▅▆▅▅▆▆▇▇▇▅▄-15586.0-16090.0-16705.0-20189.0-21617.0-24339.0-19493.0-19277.0-18205.0-18782.0-19564.0-18370.0-18609.0-16992.0-16262.0-16651.0-18902.0-20679.0
 us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax us-gaap:ConsolidatedEntities srt:ParentCompany██▇▄▃▁▅▅▆▅▅▆▆▇▇▇-15586.0-16090.0-16705.0-20189.0-21617.0-24339.0-19493.0-19277.0-18205.0-18782.0-19564.0-18370.0-18609.0-16992.0-16262.0-16651.0NANA
us-gaap:TreasuryStockValue ▅▅▅███▆▇▇▇▃▄▄▄▁▁▁▁225771.0225773.0225776.0226136.0226136.0226137.0225835.0225970.0225970.0225970.0225553.0225674.0225673.0225671.0225246.0225305.0225305.0225292.0
us-gaap:MinorityInterest ▆▇▆▇▆▄█▇▇▄▄▂▁▄▅▅▄▃6985.07127.06980.07212.06970.06664.07288.07194.07088.06799.06734.06466.06311.06716.06812.06922.06660.06620.0
 us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders us-gaap:StatementEquityComponents us-gaap:NoncontrollingInterest▄▃▃▂▃▂▁▄▄▂▃▄█▂▂▃▂▂60.052.051.044.048.045.035.057.057.043.051.057.092.043.045.048.047.044.0
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:NetCashProvidedByUsedInOperatingActivities ▇▇▄▄▁▅▅▇▅▆▆█▆▆▆▆▅▆9650.09264.04005.04389.00.06274.06352.09079.05947.08338.08607.011108.07780.08519.07411.07535.06947.08173.0
us-gaap:NetCashProvidedByUsedInInvestingActivities ▇▇▆▅▄▂▅▂▁▃▃▅▃█▁▇▇▅-2716.0-2355.0-3302.0-3709.0-5081.0-6367.0-4264.0-6150.0-6877.0-5793.0-5584.0-3907.0-5096.0-1859.0-6536.0-2555.0-2878.0-3761.0
us-gaap:NetCashProvidedByUsedInFinancingActivities ▁▁▂▂▇█▂▄▅▄▂▂▃▂▄▂▂▃-7022.0-7785.0-5283.0-4494.06277.08785.0-4456.0-1666.0548.0-1044.0-5501.0-4959.0-3244.0-5742.0-1837.0-4988.0-5059.0-3246.0
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect ▃▃▁▁▄█▂▄▃▄▂▅-50.0-849.0-4468.0-3744.01164.08323.0-2262.01138.0-373.01544.0-2627.02239.0NANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:DepreciationDepletionAndAmortization ▁▁█▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁4952.05004.030291.04983.04916.05819.04923.04873.04631.04571.05028.04658.04589.04470.05842.04880.04652.04519.0
us-gaap:IncreaseDecreaseInInventories NANA376.0NANA-2245.0NANANANANANANANANANANANA
us-gaap:NetCashProvidedByUsedInOperatingActivities ▇▇▄▄▁▅▅▇▅▆▆█▆▆▆▆▅▆9650.09264.04005.04389.00.06274.06352.09079.05947.08338.08607.011108.07780.08519.07411.07535.06947.08173.0
us-gaap:NetIncomeLoss ▇▇▁▆▆▆▇▇▇▇▇▇▇▇█▇▇▇4690.02730.0-20070.0-680.0-1080.0-610.05690.03170.03130.02350.06000.06240.03950.04650.08380.03970.03350.04010.0
us-gaap:ProfitLoss ▇▇▁▆▆▆▇▇▇▇▇█▇▇█▇▇▇4781.02796.0-20603.0-709.0-1169.0-770.05730.03247.03391.02406.06206.06446.03986.04783.08409.04085.03264.04090.0
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:NetCashProvidedByUsedInInvestingActivities ▇▇▆▅▄▂▅▂▁▃▃▅▃█▁▇▇▅-2716.0-2355.0-3302.0-3709.0-5081.0-6367.0-4264.0-6150.0-6877.0-5793.0-5584.0-3907.0-5096.0-1859.0-6536.0-2555.0-2878.0-3761.0
us-gaap:PaymentsToAcquirePropertyPlantAndEquipment ▂▁▃▂▄▇█▇▇▆▇▆▅▃▄▅▂▂2747.02400.03629.03291.04417.05945.06704.06285.06173.05199.06094.05204.04927.03349.04501.04913.03098.02890.0
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:NetCashProvidedByUsedInFinancingActivities ▁▁▂▂▇█▂▄▅▄▂▂▃▂▄▂▂▃-7022.0-7785.0-5283.0-4494.06277.08785.0-4456.0-1666.0548.0-1044.0-5501.0-4959.0-3244.0-5742.0-1837.0-4988.0-5059.0-3246.0
us-gaap:ProceedsFromIssuanceOfLongTermDebt NANA0.00.014720.08466.033.06976.0NANANANANANA0.00.00.060.0
us-gaap:RepaymentsOfLongTermDebt NANA4.01.01.02.0NANANANANANANANANANANANA
us-gaap:PaymentsOfDividendsCommonStock █████████▅▅▅▅▃▃▃▃▁3721.03720.03715.03716.03715.03719.03716.03716.03715.03505.03502.03503.03502.03291.03289.03289.03289.03134.0
us-gaap:PaymentsForRepurchaseOfCommonStock ▁▁▂▁▁▅▃▁▁▇▄▁▁▇▄▁▁█0.01.0100.00.00.0305.0173.00.00.0421.0196.01.02.0427.0232.01.013.0501.0
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1600615884156881599715812156361563715795156391547615258152541508614888146561478314617144151215712228120191182511612114431122411006107921068110487102761007710062988296659653964592219007951295069352915693715503
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.74.84.74.54.44.44.34.44.34.34.44.34.34.34.24.24.34.23.73.63.53.43.43.43.23.23.13.02.92.92.92.92.92.82.92.92.82.62.92.92.92.93.12.4

Common Stock Shares Outstanding

us-gaap:CommonStockSharesOutstanding

us-gaap:CommonStockSharesOutstanding


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value423442344233422842284228423442314231423142374234423442344239423742374237414841474147414741564163416941814201423542654335450245594615467647334793486249264978
Percentage of CommonStockSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Shares Outstanding Basic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-31
Value42764272427142714270427142714270427142714270427142714223417841784178419042004211426742974328439544334485459746564715483949064963
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Basic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareBasic


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1.10.64-4.7-0.15-0.26-0.141.330.750.730.551.411.460.921.091.970.930.780.950.410.630.410.430.671.011.01.171.561.892.052.11.911.791.552.122.22.093.412.01.972.132.192.141.861.441.611.33
Percentage of EarningsPerShareBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Diluted

us-gaap:EarningsPerShareDiluted

us-gaap:EarningsPerShareDiluted


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1.10.64-4.7-0.15-0.26-0.141.330.750.730.551.411.460.921.091.970.930.780.950.410.630.410.430.671.011.01.171.561.892.052.11.911.791.552.122.22.093.412.01.972.132.182.141.851.441.61.33
Percentage of EarningsPerShareDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Comprehensive Income Net Of Tax

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTax


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value51943345-16586.07481642-5456.0547420983707313248066479233339598769622151275570-93.02928134049373605139752921302-191.051851050987851067692005246891768791111613249105755605780111537118178766976663426224
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.95.80.01.65.1-9.90.03.35.55.10.08.73.36.10.010.59.29.90.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value178146-294.092131-672.01.014391182-31.0311-97.0-9.0-7.037216915913216616354-74.0-175.0159-406.0-167.0-27.055659340331-55.0144189541196325121101293319312480127374
Percentage of ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.30.30.00.20.4-1.20.00.00.60.30.00.4-0.1-0.00.00.60.30.30.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value53723491-16880.08401773-6128.054752112409833144775679022363950876265935296572939309413565291353112225451896-358.0515811065884411016953151919061706811657134451090057267902118301213690781024664696598
Percentage of ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax8.16.10.01.85.5-11.10.03.36.15.40.09.23.16.00.011.19.510.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Costs And Expenses

us-gaap:CostsAndExpenses

us-gaap:CostsAndExpenses


Costs
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value6143555555731534657134245564166075960328644595933663774675256698960971490186058258720573696039955451552984697757179615956715960983771879408097496915469614498183937019276997473983861011721065381045681066501068679508789859824407978078183
Percentage of CostsAndExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax93.296.50.0102.5106.1102.30.095.195.596.30.091.093.793.20.0102.1104.8101.60.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

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

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value63073592-26613.0-372.0-1640.0-258.064144721463242898121908065127240301755834156591861732262396173026285749695466358842134101415115227147161418912768160381770017320261911751517041186801861918917153271285812706
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9.66.20.0-0.8-5.1-0.50.07.46.97.00.012.29.111.10.09.47.410.50.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Income Tax Expense Benefit

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxExpenseBenefit


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1526796-6010.0337-471.05126841474124118831915263425262457-5392.014988921828-1407.0337715-51.0-202.013652692156020605064503458576073612057936277739873948537771673178009772180045811529749605493
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.31.40.00.7-1.50.90.02.31.83.10.03.63.53.80.02.51.63.20.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Income Taxes Paid Net

us-gaap:IncomeTaxesPaidNet

us-gaap:IncomeTaxesPaidNet


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value122485587573396137217591375209117932554231423092117289913641277197011659051395749167515222846122637473972622141455195521174407220645455686911541669056802837451734991446355913896
Percentage of IncomeTaxesPaidNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.91.50.01.31.22.50.02.23.12.90.03.13.23.20.02.32.33.50.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Interest Expense

us-gaap:InterestExpense

us-gaap:InterestExpense


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value25425831327931724920123221618121520014720418611115814619510675776078858868886466-152.0528524111595010775984529110544055
Percentage of InterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.40.40.00.61.00.50.00.40.30.30.00.30.20.30.00.20.30.30.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Interest Paid Net

us-gaap:InterestPaidNet

us-gaap:InterestPaidNet


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value6140560436-23.03134523830247-34.0193-62.0206
Percentage of InterestPaidNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.70.01.0-0.10.60.00.40.00.40.00.3-0.10.3

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value46902730-20070.0-680.0-1080.0-610.056903170313023506000624039504650838039703350401016802650170018102780424041904940657080708780910083507870686095009950957015910945094001033010680106509250735075606300
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.14.70.0-1.5-3.3-1.10.05.04.63.80.08.45.57.10.06.76.07.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NetIncomeLoss us-gaap:StatementBusinessSegments

xom:ChemicalNonUs


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value1038700304296-144.0188194357309737708774701511377435313368345241385230225955268160465696847545553683
Percentage of NetIncomeLoss22.125.6-44.7-27.423.65.96.215.25.027.841.642.816.512.27.65.43.64.04.43.54.12.32.46.02.81.74.56.58.05.97.59.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.61.20.70.9-0.30.30.30.60.40.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax xom:ChemicalNonUs19.014.38.39.6-3.84.44.27.66.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

xom:ChemicalUnitedStates


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value128271535717128853-6.0161404453503403481529434509581526735605765528679680515752728565494433383538625669522676685
Percentage of NetIncomeLoss27.326.2-52.5-15.8-47.21.7-0.26.96.511.510.810.214.413.216.429.932.112.417.512.29.56.07.58.67.57.97.35.93.14.64.15.25.96.35.69.29.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.91.20.80.50.50.1-0.00.30.50.60.80.70.90.90.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax xom:ChemicalUnitedStates32.023.116.510.912.52.2-0.26.412.815.016.815.617.519.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

xom:CorporateAndFinancing


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value-588.0-849.0-727.0-872.0-679.0-469.0-770.0-788.0-344.0-704.0
Percentage of NetIncomeLoss-12.5-31.1106.980.7111.3-14.8-24.6-33.5-5.5-17.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.9-1.5-1.6-2.7-1.2-0.7-1.1-1.3-0.5-1.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax xom:CorporateAndFinancing-11760.0884.4-5592.3-9688.9-11316.7-4690.0-7700.0-7880.0-2646.2-5866.7

xom:DownstreamNonUs


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value-78.0-277.0-95.01077-510.0557141-95.06811004413719154610941100564175190277148506107117495812983395769622405924996780
Percentage of NetIncomeLoss-1.7-10.114.0-99.783.617.64.5-4.010.937.924.339.736.526.122.37.02.02.13.52.25.310.818.336.510.44.27.45.83.810.013.610.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.1-0.5-0.23.3-0.90.90.2-0.20.90.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax xom:DownstreamNonUs-0.2-1.0-0.46.6-1.71.70.4-0.31.70.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

xom:DownstreamUnitedStates


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value-149.0-113.0-136.0-101.0-101.0673310-161.09616953193913472922254121874874125674605366233152481039697144183460330810734694226164440
Percentage of NetIncomeLoss-3.2-4.120.09.416.621.29.9-6.915.417.66.99.810.47.38.524.210.311.59.811.55.76.16.84.03.610.97.015.15.26.40.37.86.96.52.42.25.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.2-0.2-0.3-0.3-0.21.10.5-0.31.31.00.50.70.60.50.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax xom:DownstreamUnitedStates-0.8-0.7-1.1-1.2-0.73.71.7-1.04.83.51.92.52.42.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

xom:UpstreamNonUs


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value25222191298-454.01240213129262780362326013068180513672270109780875618002078290751596688653956635209617861585340768067927645721070927396616344684471
Percentage of NetIncomeLoss53.880.3-43.842.0-203.367.293.5118.358.165.866.045.540.856.641.447.541.842.549.658.863.976.271.972.075.965.061.955.848.371.981.369.866.469.466.660.859.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.83.80.7-1.42.23.44.34.54.93.64.73.02.44.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax xom:UpstreamNonUs66.570.814.8-22.548.369.478.973.187.772.584.649.739.764.70.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

xom:UpstreamUnitedStates


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value663363-681.0-1197.0-704.03733596606439429-238.0-183.0-18.0-477.0-514.0-832.0-442.0-47.0-52.0125711931244105010968591604633678101011841184144912791317999865
Percentage of NetIncomeLoss14.113.3100.1110.8115.41.210.74.19.711.19.2-6.0-5.5-0.4-18.0-30.2-46.0-10.4-1.1-1.115.613.613.713.316.09.016.16.64.310.712.611.513.612.014.213.611.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.00.6-1.5-3.7-1.30.10.50.20.80.60.7-0.4-0.3-0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax xom:UpstreamUnitedStates38.419.3-47.9-110.7-39.61.912.93.622.217.218.2-10.4-7.8-0.80.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Income Loss Attributable To Noncontrolling Interest

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value9166-533.0-29.0-89.0-160.04077261562062063613329115-86.080344239-19.0-29.050144721352122763372702931991152613523561744349324341218263266211186275
Percentage of NetIncomeLossAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.10.0-0.1-0.3-0.30.00.10.40.10.00.30.10.20.00.2-0.20.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Other Comprehensive Income Loss Net Of Tax

us-gaap:OtherComprehensiveIncomeLossNetOfTax

us-gaap:OtherComprehensiveIncomeLossNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value591695372315492942-5358.0-255.0-1135.0707908-1431.0344-1750.0-833.0353250820321639-1985.0205-325.03510701-3162.01189-4179.0-7140.0-3188.01948-526.023731462-1784.0-700.0-3234.01731-4209.01101-3998.0-2769.0
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.91.20.03.49.1-9.70.0-1.81.01.50.00.5-2.4-1.30.04.23.62.90.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value504615348414282722-4846.0-216.0-1072.0577782-1194.0239-1617.0-691.0389225117771560-1773.0278-360.03127825-2843.01102-3638.0-6761.0-2885.01729-315.023261330-1614.0-583.0-3071.01546-2661.01125-3795.0
Percentage of OtherComprehensiveIncomeLossNetOfTax85.388.593.692.292.590.484.794.481.686.183.469.592.483.0110.289.887.595.289.3135.6110.889.1117.789.992.787.194.790.588.859.998.091.090.583.395.089.363.2102.294.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.81.10.03.18.4-8.80.0-1.70.91.30.00.3-2.3-1.10.03.83.22.80.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NoncontrollingInterest


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value8780239121220-512.0-39.0-63.0130126-237.0105-133.0-142.0-36.025725579-212.0-73.035383-124.0-319.087-541.0-379.0-303.0219-211.047132-170.0-117.0-163.0185-1548.0-24.0-203.0
Percentage of OtherComprehensiveIncomeLossNetOfTax14.711.56.47.87.59.615.35.618.413.916.630.57.617.0-10.210.212.54.810.7-35.6-10.810.9-17.710.17.312.95.39.511.240.12.09.09.516.75.010.736.8-2.25.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.10.00.30.7-0.90.0-0.10.20.20.00.1-0.2-0.20.00.40.50.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Parent


Other
Period End2021-06-302020-06-30
Value5042722
Percentage of OtherComprehensiveIncomeLossNetOfTax85.392.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.88.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Parent0.00.0

xom:ExxonmobilShareOfEquity


Other
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value615348414282722-4846.0-216.0-1072.0577782-1194.0239
Percentage of OtherComprehensiveIncomeLossNetOfTax88.593.692.292.590.484.794.481.686.183.469.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.10.03.18.4-8.80.0-1.70.91.30.00.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax xom:ExxonmobilShareOfEquity0.00.00.00.00.00.00.00.00.00.00.0

Other Nonoperating Income Expense

us-gaap:OtherNonoperatingIncomeExpense

us-gaap:OtherNonoperatingIncomeExpense


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value36312246525722524929724312412701886458
Percentage of OtherNonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.60.20.00.60.70.50.00.70.40.40.00.6

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value47812796-20603.0-709.0-1169.0-770.0573032473391240662066446398647838409408532644090202428891681178128304384426250756782834691179370864380696975976110302992617654979997241067110898109139516756177466575
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.34.90.0-1.6-3.6-1.40.05.15.03.90.08.75.67.30.06.95.87.20.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ProfitLoss us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value9166-533.0-29.0-89.0-160.04077261562062063613329115-86.080344239-19.0-29.050144721352122763372702931991152613523561744349324341218263266211186275
Percentage of ProfitLoss1.92.42.64.17.620.80.72.47.72.33.33.20.92.80.32.8-2.62.017.08.3-1.1-1.61.83.31.72.73.13.33.72.93.42.51.62.73.43.69.93.63.33.22.02.42.82.82.44.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.10.0-0.1-0.3-0.30.00.10.40.10.00.30.10.20.00.2-0.20.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Parent


Profit
Period End2021-06-302020-06-30
Value4690-1080.0
Percentage of ProfitLoss98.192.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.1-3.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Parent0.00.0

us-gaap:RetainedEarnings


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value46902730-20070.0-680.0-1080.0-610.056903170313023506000624039504650838039703350401016802650170018102780424041904940657080708780910083507870686095009950957015910945094001033010680106509250735075606300
Percentage of ProfitLoss98.197.697.495.992.479.299.397.692.397.796.796.899.197.299.797.2102.698.083.091.7101.1101.698.296.798.397.396.996.796.397.196.697.598.497.396.696.490.196.496.796.898.097.697.297.297.695.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.14.70.0-1.5-3.3-1.10.05.04.63.80.08.45.57.10.06.76.07.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

xom:ExxonmobilShareOfEquity


Profit
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value2730-20070.0-680.0-1080.0-610.0569031703130235060006240
Percentage of ProfitLoss97.697.495.992.479.299.397.692.397.796.796.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.70.0-1.5-3.3-1.10.05.04.63.80.08.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax xom:ExxonmobilShareOfEquity0.00.00.00.00.00.00.00.00.00.00.0

Revenue From Contract With Customer Excluding Assessed Tax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value659435755245738454253227755134630246342267491616466825374187714566543665312593505602656474
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:HedgingDesignation

us-gaap:NotDesignatedAsHedgingInstrumentTrading


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value-1088.0-512.0-284.0-297.0-251.01236-314.014433-275.0202-68.0-11.08.0-10.0-11.08.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-1.6-0.9-0.6-0.7-0.82.2-0.50.20.0-0.40.3-0.1-0.00.0-0.0-0.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-1.6-0.9-0.6-0.7-0.82.2-0.50.20.0-0.40.3-0.1-0.00.0-0.0-0.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:NotDesignatedAsHedgingInstrumentTrading100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:StatementBusinessSegments

xom:ChemicalNonUs


Revenue
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-30
Value547448873684309038004241464746955125
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax8.38.58.19.66.96.76.97.66.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax8.38.58.19.66.96.76.97.66.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax xom:ChemicalNonUs100.0100.0100.0100.0100.0100.0100.0100.0100.0

xom:ChemicalUnitedStates


Revenue
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value40073091216215702296241225042505315230192989258927462783
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.15.44.84.94.23.83.74.14.24.24.64.44.94.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.15.44.84.94.23.83.74.14.24.24.64.44.94.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax xom:ChemicalUnitedStates100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

xom:CorporateAndFinancing


Revenue
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value5.0-96.0139.06.010.010.010.01312
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.0-0.20.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.0-0.20.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax xom:CorporateAndFinancing100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

xom:DownstreamNonUs


Revenue
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-30
Value318992861323862163022930433391353063229739077
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax48.449.752.550.553.252.652.352.452.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax48.449.752.550.553.252.652.352.452.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax xom:DownstreamNonUs100.0100.0100.0100.0100.0100.0100.0100.0100.0

xom:DownstreamUnitedStates


Revenue
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value190401607812267820315384183581872115642199631965816995154231452814582
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax28.927.927.025.427.928.927.725.426.927.526.026.025.925.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax28.927.927.025.427.928.927.725.426.927.526.026.025.925.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax xom:DownstreamUnitedStates100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

xom:UpstreamNonUs


Revenue
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value37923094201520222567306937093804412935873628363334443509
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.85.44.46.34.74.85.56.25.65.05.56.16.16.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.85.44.46.34.74.85.56.25.65.05.56.16.16.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax xom:UpstreamNonUs100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

xom:UpstreamUnitedStates


Revenue
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value17261885142210811777194125942693272825482361228223492324
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.63.33.13.33.23.13.84.43.73.63.63.84.24.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.63.33.13.33.23.13.84.43.73.63.63.84.24.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax xom:UpstreamUnitedStates100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:StatementGeographical

country:AU


Revenue
Period End2021-06-302021-03-312020-06-302020-03-312019-12-312019-09-302018-12-312018-09-30
Value20191729137216541993210023162348
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.13.04.33.03.23.33.43.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.13.04.33.03.23.33.43.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax country:AU100.0100.0100.0100.0100.0100.0100.0100.0

country:BE


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value219219891592150412471889227325983245352936013996409039773800324733213265
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.33.53.53.33.93.43.64.14.85.75.35.45.76.15.85.55.95.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.33.53.53.33.93.43.64.14.85.75.35.45.76.15.85.55.95.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax country:BE100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

country:CA


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value528242583556356621483823459449455346485049206214616353755624526045984634
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax8.07.47.87.96.76.97.37.87.97.97.28.48.68.28.68.98.28.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax8.07.47.87.96.76.97.37.87.97.97.28.48.68.28.68.98.28.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax country:CA100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

country:FR


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value324727822230227315832589314332663258307432323588357232452945298427382568
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.94.84.95.04.94.75.05.14.85.04.74.85.05.04.55.04.94.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.94.84.95.04.94.75.05.14.85.04.74.85.05.04.55.04.94.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax country:FR100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

country:GB


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value381529432631282719063691423540424781442144624797477146724302405741174135
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.85.15.86.25.96.76.76.47.17.26.56.56.77.16.66.87.37.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.85.15.86.25.96.76.76.47.17.26.56.56.77.16.66.87.37.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax country:GB100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

country:IT


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value246618651850205512281958262926912494264537123316321431543159291327352669
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.73.24.04.53.83.64.24.23.74.35.44.54.54.84.84.94.94.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.73.24.04.53.83.64.24.23.74.35.44.54.54.84.84.94.94.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax country:IT100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

country:SG


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value351534352559240018672616293129423135312133023502345834273325288826252751
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.36.05.65.35.84.74.74.64.65.14.84.74.85.25.14.94.74.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.36.05.65.35.84.74.74.64.65.14.84.74.85.25.14.94.74.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax country:SG100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

country:US


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value247732105416501158511085419457222422271123819208402351725843252252234522473202941962319689
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax37.636.636.134.933.635.335.335.835.333.834.534.835.334.134.434.235.034.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax37.636.636.134.933.635.335.335.835.333.834.534.835.334.134.434.235.034.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax country:US100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NonUs


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value411703649829237295742142335677407824071143672408064473648344462314309142839390563640336785
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax62.463.463.965.166.464.764.764.264.766.265.565.264.765.965.665.865.065.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax62.463.463.965.166.464.764.764.264.766.265.565.264.765.965.665.865.065.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:NonUs100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Revenues

us-gaap:Revenues

us-gaap:Revenues


Revenues
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value677425914746540461993260556158671736504967491616466825374187714566543665312593505602656474
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax102.7102.8101.8101.7101.0101.9106.6102.6100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Selling General And Administrative Expense

us-gaap:SellingGeneralAndAdministrativeExpense

us-gaap:SellingGeneralAndAdministrativeExpense


Selling
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value2345242827362444240925793048275328272770284828922993274730042725262825992824273626462593299029672831271331283169316931323341315032683118332234683486360139113764368136273855370736073514
Percentage of SellingGeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.64.26.05.47.54.74.84.34.24.54.23.94.24.24.64.64.74.60.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Assets

us-gaap:Assets

us-gaap:Assets


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value337289333770332750358043361495355804362597359361360729356189346196354628348790348826348691349427343012344209330314339386342473342789336758340662348260342961349493352764358586353033346808347564341615339639333795335191329645345152331052323227326204319533302510233323
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Assets us-gaap:StatementBusinessSegments

xom:Corporateandfinancingmember


Assetsus-gaap:
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value20072181711901516859155231307816988132482127023582
Percentage of Assets6.05.05.54.84.73.94.93.86.47.1
Percentage of Assets6.05.05.54.84.73.94.93.86.47.1
Percentage of Assets xom:Corporateandfinancingmember100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Assets us-gaap:StatementGeographical, us-gaap:StatementBusinessSegments

country:US, xom:Chemical


Assetsus-gaap:
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value1783916544149041336311600
Percentage of Assets5.44.64.33.83.5
Percentage of Assets5.44.64.33.83.5
Percentage of Assets country:US xom:Chemical100.0100.0100.0100.0100.0

country:US, xom:Downstream


Assetsus-gaap:
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value2375423442178981817216201
Percentage of Assets7.16.55.25.24.9
Percentage of Assets7.16.55.25.24.9
Percentage of Assets country:US xom:Downstream100.0100.0100.0100.0100.0

country:US, xom:Upstream


Assetsus-gaap:
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value7128795750903108904886146
Percentage of Assets21.426.426.125.526.1
Percentage of Assets21.426.426.125.526.1
Percentage of Assets country:US xom:Upstream100.0100.0100.0100.0100.0

us-gaap:NonUs, xom:Chemical


Assetsus-gaap:
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value2022020376211312113318453
Percentage of Assets6.15.66.16.15.6
Percentage of Assets6.15.66.16.15.6
Percentage of Assets us-gaap:NonUs xom:Chemical100.0100.0100.0100.0100.0

us-gaap:NonUs, xom:Downstream


Assetsus-gaap:
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value3484837133340243429429208
Percentage of Assets10.510.29.89.88.8
Percentage of Assets10.510.29.89.88.8
Percentage of Assets us-gaap:NonUs xom:Downstream100.0100.0100.0100.0100.0

us-gaap:NonUs, xom:Upstream


Assetsus-gaap:
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value144730151181148914155822153183
Percentage of Assets43.541.743.044.746.4
Percentage of Assets43.541.743.044.746.4
Percentage of Assets us-gaap:NonUs xom:Upstream100.0100.0100.0100.0100.0

Liabilities

us-gaap:Liabilities

us-gaap:Liabilities


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value171733169669168620173431174342167061163659162252162264158168147668157797155257153915154191160229157174160438156484162376165598164291159948163823169262165515168429165269170455170142166313172086170027166562162135162836161660181035170308161015164369162002149831117931
Percentage of Liabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets50.950.850.748.448.247.045.145.245.044.442.744.544.544.144.245.945.846.647.447.848.447.947.548.148.648.348.246.847.548.248.049.549.849.048.648.649.052.551.449.850.450.749.550.5

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:LiabilitiesAndStockholdersEquity


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-06-012012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value33728933377033275035804336149535580436259735936136072935618934619635462834879034882634869134942734301234420933031433938634247334278933675834066234826034296134949335276435858635303334680834756434161533963933379533519132964512080345152331052323227326204319533302510233323
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-06-012012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value158571156974157150177400180183182079191650189915191377191222191794190365187222188195187688182276179178177151167325170597170591172187170811170723172668171227174399180587181155176398174003169245165647167001165863166713162811-256.0157012154396155939155551151480146839110569
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets47.047.047.249.549.851.252.952.853.153.755.453.753.754.053.852.252.251.550.750.349.850.250.750.149.649.949.951.250.550.050.248.748.549.249.749.749.40.045.546.648.247.747.448.547.4

Assets Current

us-gaap:AssetsCurrent

us-gaap:AssetsCurrent


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value5284248195448934869353016502495005250008517435157647973539755055548315471344575242180431314141642945458284425142623472345164750658529105859564013618645930861303628446259464460721387279776160729636937672305720225898455235
Percentage of AssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets15.714.413.513.614.714.113.813.914.314.513.915.214.513.913.513.112.312.512.512.713.412.912.713.914.814.815.116.617.917.517.117.618.418.419.321.522.122.122.021.522.222.519.523.7

Cash And Cash Equivalents At Carrying Value

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashAndCashEquivalentsAtCarryingValue


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value346535154364883212576114123089535142134586304256693430412531774266404248973657509343584846370542964343518446164962608356014644531046096214958213055178021867012664110228287128337825122441325213742106933143733981
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.01.11.32.53.53.20.91.51.21.30.91.61.01.20.91.21.21.41.11.51.31.41.11.31.21.51.31.41.71.61.31.51.31.82.93.95.45.43.83.42.54.02.60.00.00.04.60.00.0

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-312016-12-31
Value3465351543648832125761141230895351421345863042566931773657
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.01.11.32.53.53.20.91.51.21.30.91.60.91.1

Accounts Receivable Net Current

us-gaap:AccountsReceivableNetCurrent

us-gaap:AccountsReceivableNetCurrent


Accounts
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value163392110019638212741603313243185412599328373300442543922186
Percentage of AccountsReceivableNetCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.95.85.76.14.93.95.37.58.59.18.49.5

Receivables Net Current

us-gaap:ReceivablesNetCurrent

us-gaap:ReceivablesNetCurrent


Receivables
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value2854024755205811997419036208712696625308271322710524701278802699324686255972326321289218422139420388218271981419875221572595725031280093096334182324803315233230353403429134987366353374135844386423436835331351463228427645
Percentage of ReceivablesNetCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets8.57.46.25.65.35.97.47.07.57.67.17.97.77.17.36.76.26.36.56.06.45.85.96.57.57.38.08.89.59.29.69.610.310.110.510.910.210.411.710.610.811.010.711.8

Other Assets Current

us-gaap:OtherAssetsCurrent

us-gaap:OtherAssetsCurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value15621568109820021747146514691759156315531272166516491456136814801544151912852122376833682798419746494298356548575373501151085457529554825008566758816420622970237639738052695175
Percentage of OtherAssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.50.50.30.60.50.40.40.50.40.40.40.50.50.40.40.40.50.40.40.61.11.00.81.21.31.31.01.41.51.41.51.61.51.61.51.71.81.91.92.22.32.31.72.2

Property Plant And Equipment Gross

us-gaap:PropertyPlantAndEquipmentGross

us-gaap:PropertyPlantAndEquipmentGross


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value505322486702477190477185453915447337446789434517409314393995373938305906
Percentage of PropertyPlantAndEquipmentGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets151.9134.2137.8136.9137.4132.8127.8125.3122.6119.0123.6131.1

us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType

us-gaap:DownstreamEquipment


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value579225252748241503434791550742
Percentage of PropertyPlantAndEquipmentGross11.510.810.110.510.611.3
Percentage of Assets17.414.513.914.414.515.1
Percentage of Assets us-gaap:DownstreamEquipment0.00.00.00.00.00.0

us-gaap:OtherMachineryAndEquipment


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312012-12-312011-12-312010-12-312009-12-31
Value17918173461715016972166371629312959119801162611314
Percentage of PropertyPlantAndEquipmentGross3.53.63.63.63.73.63.23.03.13.7
Percentage of Assets5.44.85.04.95.04.83.93.63.84.8
Percentage of Assets us-gaap:OtherMachineryAndEquipment0.00.00.00.00.00.00.00.00.00.0

us-gaap:UpstreamEquipment


Property
Period End2020-12-312019-12-312018-12-31
Value386614376041372791
Percentage of PropertyPlantAndEquipmentGross76.577.378.1
Percentage of Assets116.2103.7107.7
Percentage of Assets us-gaap:UpstreamEquipment0.00.00.0

xom:ChemicalEquipment


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value428684078839008379663409832481
Percentage of PropertyPlantAndEquipmentGross8.58.48.28.07.57.3
Percentage of Assets12.911.211.310.910.39.6
Percentage of Assets xom:ChemicalEquipment0.00.00.00.00.00.0

Accumulated Depreciation Depletion And Amortization Property Plant And Equipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment


Accumulated
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value277769233684230089224555209691195732194121190867182365179331174390166790
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets83.564.466.564.463.558.155.555.054.654.257.671.5

Property Plant And Equipment Net

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:PropertyPlantAndEquipmentNet


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value223012224641227553250496250524248409253018250512250853248563247101249153248209250352252630255556252987253147244224251923254062255257251605250583253653249497252668251406251353245897243650240981235240233728226949220330214940214602214664209194209807203726199548139116
Percentage of PropertyPlantAndEquipmentNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets66.167.368.470.069.369.869.869.769.569.871.470.371.271.872.573.173.873.573.974.274.274.574.773.672.872.772.371.370.169.770.369.368.968.868.065.765.262.264.864.764.363.866.059.6

us-gaap:PropertyPlantAndEquipmentNet us-gaap:PropertyPlantAndEquipmentByType

us-gaap:DownstreamEquipment


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value277162450621448217322058821330
Percentage of PropertyPlantAndEquipmentNet12.29.78.78.68.48.5
Percentage of Assets8.36.86.26.26.26.3
Percentage of Assets us-gaap:DownstreamEquipment0.00.00.00.00.00.0

us-gaap:OtherMachineryAndEquipment


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312012-12-312011-12-312010-12-312009-12-31
Value1044110485104401049010331102068016741970466787
Percentage of PropertyPlantAndEquipmentNet4.64.14.24.24.24.13.53.53.54.9
Percentage of Assets3.12.93.03.03.13.02.42.22.32.9
Percentage of Assets us-gaap:OtherMachineryAndEquipment0.00.00.00.00.00.00.00.00.00.0

us-gaap:UpstreamEquipment


Property
Period End2020-12-312019-12-312018-12-31
Value167472196767194662
Percentage of PropertyPlantAndEquipmentNet73.677.878.8
Percentage of Assets50.354.356.2
Percentage of Assets us-gaap:UpstreamEquipment0.00.00.0

xom:ChemicalEquipment


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value219242126020551201171740116247
Percentage of PropertyPlantAndEquipmentNet9.68.48.38.07.16.5
Percentage of Assets6.65.95.95.85.34.8
Percentage of Assets xom:ChemicalEquipment0.00.00.00.00.00.0

us-gaap:PropertyPlantAndEquipmentNet us-gaap:StatementGeographical

country:AE


Property
Period End2020-12-312019-12-312018-12-312017-12-31
Value5381526248594304
Percentage of PropertyPlantAndEquipmentNet2.42.12.01.7
Percentage of Assets1.61.51.41.2
Percentage of Assets country:AE0.00.00.00.0

country:AO


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value440557847021768984138777905782628238103958570
Percentage of PropertyPlantAndEquipmentNet1.92.32.83.03.43.53.63.43.64.84.3
Percentage of Assets1.31.62.02.22.52.62.62.42.53.12.8
Percentage of Assets country:AO0.00.00.00.00.00.00.00.00.00.00.0

country:AU


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value14792139331454816908165101589415328142581341594746570
Percentage of PropertyPlantAndEquipmentNet6.55.55.96.76.86.36.15.95.94.43.3
Percentage of Assets4.43.84.24.85.04.74.44.14.02.92.2
Percentage of Assets country:AU0.00.00.00.00.00.00.00.00.00.00.0

country:CA


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value3623239130374334113840144397754385841522319792445820879
Percentage of PropertyPlantAndEquipmentNet15.915.515.116.316.415.817.417.014.111.410.5
Percentage of Assets10.910.810.811.812.211.812.512.09.67.46.9
Percentage of Assets country:CA0.00.00.00.00.00.00.00.00.00.00.0

country:KZ


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value8882931597261012110325970591388530778570225938
Percentage of PropertyPlantAndEquipmentNet3.93.73.94.04.23.93.63.53.43.33.0
Percentage of Assets2.72.62.82.93.12.92.62.52.32.12.0
Percentage of Assets country:KZ0.00.00.00.00.00.00.00.00.00.00.0

country:NG


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value634576408421973411314122221226512343122161180611429
Percentage of PropertyPlantAndEquipmentNet2.83.03.43.94.64.94.95.15.45.55.7
Percentage of Assets1.92.12.42.83.43.63.53.63.73.63.8
Percentage of Assets country:NG0.00.00.00.00.00.00.00.00.00.00.0

country:PG


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value7803805782698463571959856099576845993013
Percentage of PropertyPlantAndEquipmentNet3.43.23.33.32.32.42.42.42.01.4
Percentage of Assets2.32.22.42.41.71.81.71.71.40.9
Percentage of Assets country:PG0.00.00.00.00.00.00.00.00.00.0

country:RU


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value461651355456570248284744
Percentage of PropertyPlantAndEquipmentNet2.02.02.22.32.01.9
Percentage of Assets1.41.41.61.61.51.4
Percentage of Assets country:RU0.00.00.00.00.00.0

country:SG


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value121291164511148112929769968196209570970092858610
Percentage of PropertyPlantAndEquipmentNet5.34.64.54.54.03.83.83.94.34.34.3
Percentage of Assets3.63.23.23.23.02.92.82.82.92.82.8
Percentage of Assets country:SG0.00.00.00.00.00.00.00.00.00.00.0

country:US


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value94732114372108147105101101194107039104000982719433691146
Percentage of PropertyPlantAndEquipmentNet41.645.243.841.641.442.541.240.341.642.5
Percentage of Assets28.531.531.230.130.631.829.828.328.327.5
Percentage of Assets country:US0.00.00.00.00.00.00.00.00.00.0

us-gaap:NonUs


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value132821138646138954147529143030144566148668145379
Percentage of PropertyPlantAndEquipmentNet58.454.856.258.458.657.558.859.7
Percentage of Assets39.938.240.142.343.342.942.541.9
Percentage of Assets us-gaap:NonUs0.00.00.00.00.00.00.00.0

Long Term Investments

us-gaap:LongTermInvestments

us-gaap:LongTermInvestments


Long
Period End2020-12-312019-12-31
Value143190
Percentage of LongTermInvestments100.0100.0
Percentage of Assets0.00.1

Investments In Affiliates Subsidiaries Associates And Joint Ventures

us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures

us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures


Investments
Period End2020-12-312019-12-312018-12-312010-12-312009-12-31
Value3858437833349902827225988
Percentage of InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures100.0100.0100.0100.0100.0
Percentage of Assets11.610.410.19.311.1

Operating Lease Right Of Use Asset

us-gaap:OperatingLeaseRightOfUseAsset us-gaap:BalanceSheetLocation, xom:LeaseType

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OtherAssets, xom:LeaseAgreementsDrillingRigsAndRelatedEquipment


Operating
Period End2020-12-312019-12-31
Value834572
Percentage of OperatingLeaseRightOfUseAsset100.0100.0
Percentage of Assets0.30.2
Percentage of Assets us-gaap:OtherAssets xom:LeaseAgreementsDrillingRigsAndRelatedEquipment0.00.0

us-gaap:OtherAssets, xom:LeaseAgreementsOther


Operating
Period End2020-12-312019-12-31
Value52446061
Percentage of OperatingLeaseRightOfUseAsset628.81059.6
Percentage of Assets1.61.7
Percentage of Assets us-gaap:OtherAssets xom:LeaseAgreementsOther0.00.0

us-gaap:OtherAssets, xom:OperatingLease


Operating
Period End2020-12-312019-12-31
Value60786633
Percentage of OperatingLeaseRightOfUseAsset728.81159.6
Percentage of Assets1.81.8
Percentage of Assets us-gaap:OtherAssets xom:OperatingLease0.00.0

us-gaap:OperatingLeaseRightOfUseAsset xom:LeaseType

xom:LeaseAgreementsDrillingRigsAndRelatedEquipment


Operating
Period End2020-12-312019-12-312019-09-302019-06-302019-03-31
Value834572634616539
Percentage of OperatingLeaseRightOfUseAsset100.0100.00.00.00.0
Percentage of Assets0.30.20.20.20.2
Percentage of Assets xom:LeaseAgreementsDrillingRigsAndRelatedEquipment0.00.00.00.00.0

xom:LeaseAgreementsOther


Operating
Period End2020-12-312019-12-312019-09-302019-06-302019-03-31
Value52446061591956493901
Percentage of OperatingLeaseRightOfUseAsset628.81059.60.00.00.0
Percentage of Assets1.61.71.61.61.1
Percentage of Assets xom:LeaseAgreementsOther0.00.00.00.00.0

xom:OperatingLease


Operating
Period End2020-12-312019-12-312019-09-302019-06-302019-03-31
Value60786633655362654440
Percentage of OperatingLeaseRightOfUseAsset728.81159.60.00.00.0
Percentage of Assets1.81.81.81.71.2
Percentage of Assets xom:OperatingLease0.00.00.00.00.0

Other Assets Noncurrent

us-gaap:OtherAssetsNoncurrent

us-gaap:OtherAssetsNoncurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value16661167531678915245147631416516363159211560013982103321107310335980997671047010126966395728965840183668285853087988335867677518110810375228232788876767668761879878434909293158851857886407307
Percentage of OtherAssetsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.95.05.04.34.14.04.54.44.33.93.03.13.02.82.83.03.02.82.92.62.52.42.52.52.52.42.52.22.32.32.22.42.32.32.32.32.42.42.72.92.72.72.93.1

Accounts Payable And Accrued Liabilities Current

us-gaap:AccountsPayableAndAccruedLiabilitiesCurrent

us-gaap:AccountsPayableAndAccruedLiabilitiesCurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value4578041017352213334033216358154183140541414804209037268417143849037207367963469831100320693119330027338013229432412366813991438144422274927252363521094808551260526195397850728535165132259084570675457257853577005003441275
Percentage of AccountsPayableAndAccruedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets13.612.310.69.39.210.111.511.311.511.810.811.811.010.710.69.99.19.39.48.89.99.49.610.811.511.112.114.014.614.813.914.715.415.915.216.015.617.117.216.917.718.116.517.7

Accrued Income Taxes Current

us-gaap:AccruedIncomeTaxesCurrent

us-gaap:AccruedIncomeTaxesCurrent


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value11659486841217110212031580245826122748261241613457326330453338266428222615275527312892280236744049451249386469721887767831760082081016997581304912110144911272712968123151231698128310
Percentage of AccruedIncomeTaxesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.30.30.20.30.30.30.40.70.70.80.81.21.00.90.91.00.80.80.80.80.80.80.81.11.21.31.41.82.02.52.32.22.43.02.93.93.74.23.84.03.83.93.23.6

Debt Current

us-gaap:DebtCurrent

us-gaap:DebtCurrent


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value152931818520458219112295227755205782119626195217941725819413205001983617930157411718518483138301723914972135401876214473144091327717468102439948922315808138891186159373653349667046419771174314365356027872476
Percentage of DebtCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.55.46.16.16.37.85.75.97.36.15.05.55.95.75.14.55.05.44.25.14.43.95.64.24.13.95.02.92.82.64.64.03.51.71.11.02.01.92.32.31.31.10.91.1

Liabilities Current

us-gaap:LiabilitiesCurrent

us-gaap:LiabilitiesCurrent


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value6223860150563635646857270647736398964195702876663257138652886244760306577715377750949533744763850021515044872653976548285837255933646336598469529701087172472749726887008464139700617013679994775057497174533735766263352061
Percentage of LiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets18.518.016.915.815.818.217.617.919.518.716.518.417.917.316.615.414.915.514.414.715.014.216.016.116.816.318.518.719.419.920.720.921.320.619.220.921.323.223.423.222.823.020.722.3

Long Term Debt Current

us-gaap:LongTermDebtCurrent

us-gaap:LongTermDebtCurrent


Long
Period End2020-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value2930407047662960558770103410253431345348
Percentage of LongTermDebtCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.91.21.40.90.20.20.30.31.00.10.1

Operating Lease Liability Current

us-gaap:OperatingLeaseLiabilityCurrent us-gaap:BalanceSheetLocation, xom:LeaseType

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:AccountsPayableAndAccruedLiabilities, xom:LeaseAgreementsDrillingRigsAndRelatedEquipment


Operating
Period End2020-12-312019-12-31
Value243221
Percentage of OperatingLeaseLiabilityCurrent100.0100.0
Percentage of Assets0.10.1
Percentage of Assets us-gaap:AccountsPayableAndAccruedLiabilities xom:LeaseAgreementsDrillingRigsAndRelatedEquipment0.00.0

us-gaap:AccountsPayableAndAccruedLiabilities, xom:LeaseAgreementsOther


Operating
Period End2020-12-312019-12-31
Value925990
Percentage of OperatingLeaseLiabilityCurrent380.7448.0
Percentage of Assets0.30.3
Percentage of Assets us-gaap:AccountsPayableAndAccruedLiabilities xom:LeaseAgreementsOther0.00.0

us-gaap:AccountsPayableAndAccruedLiabilities, xom:OperatingLease


Operating
Period End2020-12-312019-12-31
Value11681211
Percentage of OperatingLeaseLiabilityCurrent480.7548.0
Percentage of Assets0.40.3
Percentage of Assets us-gaap:AccountsPayableAndAccruedLiabilities xom:OperatingLease0.00.0

Long Term Debt And Capital Lease Obligations

us-gaap:LongTermDebtAndCapitalLeaseObligations

us-gaap:LongTermDebtAndCapitalLeaseObligations


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value45319451374718246888465633185726342259501900119031205382062420720207812440624869247502512428932289162949929568199251983919431194941165311591118171214468917404749674757928892888779231932293311212312316122277129
Percentage of LongTermDebtAndCapitalLeaseObligations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets13.413.514.213.112.99.07.37.25.35.35.95.85.96.07.07.17.27.38.88.58.68.65.95.85.65.73.33.33.33.42.02.12.22.22.42.72.72.72.82.93.73.94.03.1

Deferred Income Tax Liabilities Net

us-gaap:DeferredIncomeTaxLiabilitiesNet

us-gaap:DeferredIncomeTaxLiabilitiesNet


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-312017-12-312016-12-312016-09-302015-12-312014-12-31
Value18511181131816524467247252486325620240352357529921305233261433725
Percentage of DeferredIncomeTaxLiabilitiesNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets5.55.45.56.86.87.07.16.96.89.19.09.79.6

Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent


Pension
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value2208221835224152209722341219132230419365198222005120272214482150421696211322087420778205842068021019215832240122647244222503924632258021926820161202152064625319252812528625267216522211723559249941955720257200761936717942
Percentage of PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets6.56.56.76.26.26.26.25.45.55.65.96.06.26.26.16.06.16.06.36.26.36.56.77.27.27.27.45.55.65.76.07.37.47.47.66.56.76.87.56.16.26.36.47.7

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent us-gaap:RetirementPlanSponsorLocation

country:US


Pension
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value59857081679762526758
Percentage of PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent26.731.733.529.632.7
Percentage of Assets1.82.02.01.82.0
Percentage of Assets country:US0.00.00.00.00.0

us-gaap:ForeignPlan


Pension
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value90687886675275676894
Percentage of PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent40.535.433.335.833.3
Percentage of Assets2.72.22.02.22.1
Percentage of Assets us-gaap:ForeignPlan0.00.00.00.00.0

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Pension
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value73627337672373137028
Percentage of PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent32.832.933.234.634.0
Percentage of Assets2.22.01.92.12.1
Percentage of Assets us-gaap:OtherPostretirementBenefitPlansDefinedBenefit0.00.00.00.00.0

Minority Interest

us-gaap:MinorityInterest

us-gaap:MinorityInterest


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-06-012012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value698571276980721269706664728871947088679967346466631167166812692266606620650564136284631159996116633062196665690869766493649262335941607657975642517420247105634862736284605158404823
Percentage of MinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.12.12.12.01.91.92.02.02.01.91.91.81.81.92.02.01.91.92.01.91.81.81.81.81.81.81.92.01.91.81.91.81.71.81.71.71.60.02.11.91.91.91.91.92.1

Other Liabilities Noncurrent

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:OtherLiabilitiesNoncurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value2054521155212422002519612196312141621997221272073718094187281922819554192152127621158214092006922223216802184621165210002151421002217862216222907220152178022472215702125723676245532367923049218692026520263199132045417651
Percentage of OtherLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets6.16.36.45.65.45.55.96.16.15.85.25.35.55.65.56.16.26.26.16.56.36.46.36.26.26.16.26.36.46.26.36.56.36.37.17.37.26.76.66.36.26.26.87.6

Operating Lease Liability Noncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent us-gaap:BalanceSheetLocation, xom:LeaseType

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:OtherNoncurrentLiabilities, xom:LeaseAgreementsDrillingRigsAndRelatedEquipment


Operating
Period End2020-12-312019-12-31
Value589330
Percentage of OperatingLeaseLiabilityNoncurrent100.0100.0
Percentage of Assets0.20.1
Percentage of Assets us-gaap:OtherNoncurrentLiabilities xom:LeaseAgreementsDrillingRigsAndRelatedEquipment0.00.0

us-gaap:OtherNoncurrentLiabilities, xom:LeaseAgreementsOther


Operating
Period End2020-12-312019-12-31
Value34054152
Percentage of OperatingLeaseLiabilityNoncurrent578.11258.2
Percentage of Assets1.01.1
Percentage of Assets us-gaap:OtherNoncurrentLiabilities xom:LeaseAgreementsOther0.00.0

us-gaap:OtherNoncurrentLiabilities, xom:OperatingLease


Operating
Period End2020-12-312019-12-31
Value39944482
Percentage of OperatingLeaseLiabilityNoncurrent678.11358.2
Percentage of Assets1.21.2
Percentage of Assets us-gaap:OtherNoncurrentLiabilities xom:OperatingLease0.00.0

Lessee Operating Lease Liability Payments Due Year Two

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo xom:LeaseType

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

xom:LeaseAgreementsDrillingRigsAndRelatedEquipment


Lessee
Period End2020-12-312019-12-312019-09-302019-06-302019-03-31
Value25613413812096
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearTwo100.0100.0100.0100.0100.0
Percentage of Assets0.10.00.00.00.0
Percentage of Assets xom:LeaseAgreementsDrillingRigsAndRelatedEquipment0.00.00.00.00.0

xom:LeaseAgreementsOther


Lessee
Period End2020-12-312019-12-312019-09-302019-06-302019-03-31
Value817886795698441
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearTwo319.1661.2576.1581.7459.4
Percentage of Assets0.20.20.20.20.1
Percentage of Assets xom:LeaseAgreementsOther0.00.00.00.00.0

xom:OperatingLease


Lessee
Period End2020-12-312019-12-312019-09-302019-06-302019-03-31
Value10731020933818537
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearTwo419.1761.2676.1681.7559.4
Percentage of Assets0.30.30.30.20.2
Percentage of Assets xom:OperatingLease0.00.00.00.00.0

Lessee Operating Lease Liability Payments Due Year Three

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree xom:LeaseType

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

xom:LeaseAgreementsDrillingRigsAndRelatedEquipment


Lessee
Period End2020-12-312019-12-312019-09-302019-06-302019-03-31
Value9773796157
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearThree100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.0
Percentage of Assets xom:LeaseAgreementsDrillingRigsAndRelatedEquipment0.00.00.00.00.0

xom:LeaseAgreementsOther


Lessee
Period End2020-12-312019-12-312019-09-302019-06-302019-03-31
Value482625557500290
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearThree496.9856.2705.1819.7508.8
Percentage of Assets0.10.20.20.10.1
Percentage of Assets xom:LeaseAgreementsOther0.00.00.00.00.0

xom:OperatingLease


Lessee
Period End2020-12-312019-12-312019-09-302019-06-302019-03-31
Value579698636561347
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearThree596.9956.2805.1919.7608.8
Percentage of Assets0.20.20.20.20.1
Percentage of Assets xom:OperatingLease0.00.00.00.00.0

Lessee Operating Lease Liability Payments Due Year Four

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour xom:LeaseType

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

xom:LeaseAgreementsDrillingRigsAndRelatedEquipment


Lessee
Period End2020-12-312019-12-312019-09-302019-06-302019-03-31
Value7145444140
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFour100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.0
Percentage of Assets xom:LeaseAgreementsDrillingRigsAndRelatedEquipment0.00.00.00.00.0

xom:LeaseAgreementsOther


Lessee
Period End2020-12-312019-12-312019-09-302019-06-302019-03-31
Value387468451448253
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFour545.11040.01025.01092.7632.5
Percentage of Assets0.10.10.10.10.1
Percentage of Assets xom:LeaseAgreementsOther0.00.00.00.00.0

xom:OperatingLease


Lessee
Period End2020-12-312019-12-312019-09-302019-06-302019-03-31
Value458513495489293
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFour645.11140.01125.01192.7732.5
Percentage of Assets0.10.10.10.10.1
Percentage of Assets xom:OperatingLease0.00.00.00.00.0

Lessee Operating Lease Liability Payments Due Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive xom:LeaseType

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

xom:LeaseAgreementsDrillingRigsAndRelatedEquipment


Lessee
Period End2020-12-312019-12-312019-09-302019-06-302019-03-31
Value7130293029
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFive100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.0
Percentage of Assets xom:LeaseAgreementsDrillingRigsAndRelatedEquipment0.00.00.00.00.0

xom:LeaseAgreementsOther


Lessee
Period End2020-12-312019-12-312019-09-302019-06-302019-03-31
Value342425406404213
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFive481.71416.71400.01346.7734.5
Percentage of Assets0.10.10.10.10.1
Percentage of Assets xom:LeaseAgreementsOther0.00.00.00.00.0

xom:OperatingLease


Lessee
Period End2020-12-312019-12-312019-09-302019-06-302019-03-31
Value413455435434242
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFive581.71516.71500.01446.7834.5
Percentage of Assets0.10.10.10.10.1
Percentage of Assets xom:OperatingLease0.00.00.00.00.0

Lessee Operating Lease Liability Payments Due After Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive xom:LeaseType

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

xom:LeaseAgreementsDrillingRigsAndRelatedEquipment


Lessee
Period End2020-12-312019-12-312019-09-302019-06-302019-03-31
Value12472716970
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.0
Percentage of Assets xom:LeaseAgreementsDrillingRigsAndRelatedEquipment0.00.00.00.00.0

xom:LeaseAgreementsOther


Lessee
Period End2020-12-312019-12-312019-09-302019-06-302019-03-31
Value2157268123901877924
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive1739.53723.63366.22720.31320.0
Percentage of Assets0.60.70.70.50.3
Percentage of Assets xom:LeaseAgreementsOther0.00.00.00.00.0

xom:OperatingLease


Lessee
Period End2020-12-312019-12-312019-09-302019-06-302019-03-31
Value2281275324611946994
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive1839.53823.63466.22820.31420.0
Percentage of Assets0.70.80.70.50.3
Percentage of Assets xom:OperatingLease0.00.00.00.00.0

Operating Lease Liability

us-gaap:OperatingLeaseLiability xom:LeaseType

us-gaap:OperatingLeaseLiability

xom:LeaseAgreementsDrillingRigsAndRelatedEquipment


Operating
Period End2020-12-312019-12-312019-09-302019-06-302019-03-31
Value832551613608540
Percentage of OperatingLeaseLiability100.0100.0100.0100.0100.0
Percentage of Assets0.30.20.20.20.2
Percentage of Assets xom:LeaseAgreementsDrillingRigsAndRelatedEquipment0.00.00.00.00.0

xom:LeaseAgreementsOther


Operating
Period End2020-12-312019-12-312019-09-302019-06-302019-03-31
Value43305142496646922937
Percentage of OperatingLeaseLiability520.4933.2810.1771.7543.9
Percentage of Assets1.31.41.41.30.8
Percentage of Assets xom:LeaseAgreementsOther0.00.00.00.00.0

xom:OperatingLease


Operating
Period End2020-12-312019-12-312019-09-302019-06-302019-03-31
Value51625693557953003477
Percentage of OperatingLeaseLiability620.41033.2910.1871.7643.9
Percentage of Assets1.61.61.61.51.0
Percentage of Assets xom:OperatingLease0.00.00.00.00.0

Lessee Operating Lease Liability Payments Due

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue xom:LeaseType

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

xom:LeaseAgreementsDrillingRigsAndRelatedEquipment


Lessee
Period End2020-12-312019-12-312019-09-302019-06-302019-03-31
Value878588653649583
Percentage of LesseeOperatingLeaseLiabilityPaymentsDue100.0100.0100.0100.0100.0
Percentage of Assets0.30.20.20.20.2
Percentage of Assets xom:LeaseAgreementsDrillingRigsAndRelatedEquipment0.00.00.00.00.0

xom:LeaseAgreementsOther


Lessee
Period End2020-12-312019-12-312019-09-302019-06-302019-03-31
Value52166212592453953351
Percentage of LesseeOperatingLeaseLiabilityPaymentsDue594.11056.5907.2831.3574.8
Percentage of Assets1.61.71.61.50.9
Percentage of Assets xom:LeaseAgreementsOther0.00.00.00.00.0

xom:OperatingLease


Lessee
Period End2020-12-312019-12-312019-09-302019-06-302019-03-31
Value60946800657760443934
Percentage of LesseeOperatingLeaseLiabilityPaymentsDue694.11156.51007.2931.3674.8
Percentage of Assets1.81.91.81.71.1
Percentage of Assets xom:OperatingLease0.00.00.00.00.0

Lessee Operating Lease Liability Undiscounted Excess Amount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount xom:LeaseType

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

xom:LeaseAgreementsDrillingRigsAndRelatedEquipment


Lessee
Period End2020-12-312019-12-312019-09-302019-06-302019-03-31
Value4637404143
Percentage of LesseeOperatingLeaseLiabilityUndiscountedExcessAmount100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.0
Percentage of Assets xom:LeaseAgreementsDrillingRigsAndRelatedEquipment0.00.00.00.00.0

xom:LeaseAgreementsOther


Lessee
Period End2020-12-312019-12-312019-09-302019-06-302019-03-31
Value8861070958703414
Percentage of LesseeOperatingLeaseLiabilityUndiscountedExcessAmount1926.12891.92395.01714.6962.8
Percentage of Assets0.30.30.30.20.1
Percentage of Assets xom:LeaseAgreementsOther0.00.00.00.00.0

xom:OperatingLease


Lessee
Period End2020-12-312019-12-312019-09-302019-06-302019-03-31
Value9321107998744457
Percentage of LesseeOperatingLeaseLiabilityUndiscountedExcessAmount2026.12991.92495.01814.61062.8
Percentage of Assets0.30.30.30.20.1
Percentage of Assets xom:OperatingLease0.00.00.00.00.0

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-06-012012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value158571156974157150177400180183182079191650189915191377191222191794190365187222188195187688182276179178177151167325170597170591172187170811170723172668171227174399180587181155176398174003169245165647167001165863166713162811-256.0157012154396155939155551151480146839110569
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets47.047.047.249.549.851.252.952.853.153.755.453.753.754.053.852.252.251.550.750.349.850.250.750.149.649.949.951.250.550.050.248.748.549.249.749.749.40.045.546.648.247.747.448.547.4

Stockholders Equity Including Portion Attributable To Noncontrolling Interest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-06-012012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value1655561641011641301846121871531887431989381971091984651980211985281968311935331949111945001891981858381837711738301770101768751784981768101768391789981774461810641874951881311828911804951754781715881730771716601723551679851768164117160744162212161835157531152679150600145367117666115392117523126044
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets49.149.249.351.651.853.054.954.855.055.657.355.555.555.955.854.154.253.452.652.251.652.152.551.951.451.751.853.252.551.852.050.550.251.051.451.451.00.047.548.650.249.649.350.50.00.00.049.50.00.0

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value-15586.0-16090.0-16705.0-20189.0-21617.0-24339.0-19493.0-19277.0-18205.0-18782.0-19564.0-18370.0-18609.0-16992.0-16262.0-16651.0-18902.0-20679.0-22239.0-20466.0-20744.0-20384.0-23511.0-24336.0-21493.0-22595.0-18957.0-12196.0-9311.0-11040.0-10725.0-13051.0-14381.0-12767.0-12184.0-9113.0-10659.0-7998.0-9123.0-5328.0-2799.0-3656.0-4823.0-4339.0-6755.0-5537.0-5461.0-9931.01989
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-9.4-9.8-10.2-10.9-11.6-12.9-9.8-9.8-9.2-9.5-9.9-9.3-9.6-8.7-8.4-8.8-10.2-11.3-12.8-11.6-11.7-11.4-13.3-13.8-12.0-12.7-10.5-6.5-4.9-6.0-5.9-7.4-8.4-7.4-7.1-5.3-6.3-4.9-5.7-3.3-1.7-2.3-3.2-2.9-4.6-4.7-4.7-8.51.6
Percentage of Assets-4.6-4.8-5.0-5.6-6.0-6.8-5.4-5.4-5.0-5.3-5.7-5.2-5.3-4.9-4.7-4.8-5.5-6.0-6.7-6.0-6.1-5.9-7.0-7.1-6.2-6.6-5.4-3.5-2.6-3.1-3.1-3.8-4.2-3.8-3.7-2.7-3.2-2.3-2.8-1.6-0.9-1.1-1.60.00.00.0-2.30.00.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-312013-12-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value16006158841568815997158121563615637157951563915476152581525415086148881465614783146171441512157122281201911825116121079210077965396459221900795129506935291569371934190025300550353144933
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest9.79.79.68.78.48.37.98.07.97.87.77.77.87.67.57.87.97.87.06.96.86.66.66.05.65.65.65.55.55.95.95.85.86.16.26.24.54.84.53.9
Percentage of Assets4.74.84.74.54.44.44.34.44.34.34.44.34.34.34.24.24.34.23.73.63.53.43.43.12.92.92.92.82.62.92.92.92.93.10.00.00.02.40.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NoncontrollingInterest


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value6985712769807212697066647288719470886799673464666311671668126922666066206505641362846311599961166330621966656908697664936492623359416076579756425174710563486273628460515840556951955125482345584282
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest4.24.34.33.93.73.53.73.63.63.43.43.33.33.43.53.73.63.63.73.63.63.53.43.53.53.53.73.73.73.63.63.63.53.53.43.33.14.33.93.93.93.83.83.73.64.44.23.93.4
Percentage of Assets2.12.12.12.01.91.92.02.02.01.91.91.81.81.92.02.01.91.92.01.91.81.81.81.81.81.81.92.01.91.81.91.81.71.81.71.71.62.11.91.91.91.91.90.00.00.02.10.00.0
Percentage of Assets us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Parent


Stockholders
Period End2021-06-302021-03-312020-12-312020-06-302020-03-312019-12-31
Value158571156974157150180183182079191650
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest95.895.795.796.396.596.3
Percentage of Assets47.047.047.249.851.252.9
Percentage of Assets us-gaap:Parent0.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value383922382953383943407728412124416919421341419367419913420498421653419155416418415970414540409449408768408707407831409284409767411200412444412718411538410414408384404738399614393800387432381832376732372666365727358369351421338168330939323786315733307361298899291861286745281251276937265680228518
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest231.9233.4233.9220.9220.2220.9211.8212.8211.6212.4212.4213.0215.2213.4213.1216.4220.0222.4234.6231.2231.7230.4233.3233.4229.9231.3225.5215.9212.4215.3214.6217.6219.6215.3213.1207.9209.2206.1205.9199.6195.1195.1195.8193.8197.3239.0240.0226.1181.3
Percentage of Assets113.8114.7115.4113.9114.0117.2116.2116.7116.4118.1121.8118.2119.4119.2118.9117.2119.2118.7123.5120.6119.6120.0122.5121.2118.2119.7116.9114.7111.4111.5111.7109.9110.3109.7109.6106.9106.698.0100.0100.296.896.298.80.00.00.0118.70.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TreasuryStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value-225771.0-225773.0-225776.0-226136.0-226136.0-226137.0-225835.0-225970.0-225970.0-225970.0-225553.0-225674.0-225673.0-225671.0-225246.0-225305.0-225305.0-225292.0-230424.0-230449.0-230451.0-230454.0-229734.0-229102.0-228601.0-227598.0-225820.0-222636.0-219635.0-216638.0-212781.0-209598.0-206586.0-202563.0-197333.0-192188.0-187172.0-182165.0-176932.0-172025.0-166735.0-161381.0-156608.0-151832.0-148820.0-168473.0-166410.0-148098.0-113678.0
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-136.4-137.6-137.6-122.5-120.8-119.8-113.5-114.6-113.9-114.1-113.6-114.7-116.6-115.8-115.8-119.1-121.2-122.6-132.6-130.2-130.3-129.1-129.9-129.6-127.7-128.3-124.7-118.7-116.7-118.5-117.9-119.4-120.4-117.0-115.0-111.5-111.4-111.0-110.1-106.0-103.0-102.4-102.6-100.8-102.4-143.2-144.2-126.0-90.2
Percentage of Assets-66.9-67.6-67.9-63.2-62.6-63.6-62.3-62.9-62.6-63.4-65.2-63.6-64.7-64.7-64.6-64.5-65.7-65.5-69.8-67.9-67.3-67.2-68.2-67.3-65.6-66.4-64.6-63.1-61.3-61.4-61.4-60.3-60.5-59.6-59.1-57.3-56.8-52.8-53.4-53.2-51.1-50.5-51.80.00.00.0-71.30.00.0
Percentage of Assets us-gaap:TreasuryStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

xom:ExxonmobilShareOfEquity


Stockholders
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value156974157150177400180183182079191650189915191377191222191794190365187222187688
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest95.795.796.196.396.596.396.496.496.696.696.796.796.5
Percentage of Assets47.047.249.549.851.252.952.853.153.755.453.753.753.8
Percentage of Assets xom:ExxonmobilShareOfEquity0.00.00.00.00.00.00.00.00.00.00.00.00.0

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1600615884156881599715812156361563715795156391547615258152541508614888146561478314617144151215712228120191182511612114431122411006107921068110487102761007710062988296659653964592219007951295069352915693715503
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.74.84.74.54.44.44.34.44.34.34.44.34.34.34.24.24.34.23.73.63.53.43.43.43.23.23.13.02.92.92.92.92.92.82.92.92.82.62.92.92.92.93.12.4

Retained Earnings Accumulated Deficit

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:RetainedEarningsAccumulatedDeficit


Retained
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value383922382953383943407728412124416919421341419367419913420498421653419155416418415970414540409449408768408707407831409284409767411200412444412718411538410414408384404738399614393800387432381832376732372666365727358369351421338168330939323786315733307361298899276937
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets113.8114.7115.4113.9114.0117.2116.2116.7116.4118.1121.8118.2119.4119.2118.9117.2119.2118.7123.5120.6119.6120.0122.5121.2118.2119.7116.9114.7111.4111.5111.7109.9110.3109.7109.6106.9106.698.0100.0100.296.896.298.8118.7

Accumulated Other Comprehensive Income Loss Net Of Tax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value-15586.0-16090.0-16705.0-20189.0-21617.0-24339.0-19493.0-19277.0-18205.0-18782.0-19564.0-18370.0-18609.0-16992.0-16262.0-16651.0-18902.0-20679.0-22239.0-20466.0-20744.0-20384.0-23511.0-24336.0-21493.0-22595.0-18957.0-12196.0-9311.0-11040.0-10725.0-13051.0-14381.0-12767.0-12184.0-9113.0-10659.0-7998.0-9123.0
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-4.6-4.8-5.0-5.6-6.0-6.8-5.4-5.4-5.0-5.3-5.7-5.2-5.3-4.9-4.7-4.8-5.5-6.0-6.7-6.0-6.1-5.9-7.0-7.1-6.2-6.6-5.4-3.5-2.6-3.1-3.1-3.8-4.2-3.8-3.7-2.7-3.2-2.3-2.8

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax us-gaap:ConsolidatedEntities

srt:ParentCompany


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-312015-12-31
Value-15586.0-16090.0-16705.0-20189.0-21617.0-24339.0-19493.0-19277.0-18205.0-18782.0-19564.0-18370.0-18609.0-16992.0-16262.0-16651.0-22239.0-23511.0
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-4.6-4.8-5.0-5.6-6.0-6.8-5.4-5.4-5.0-5.3-5.7-5.2-5.3-4.9-4.7-4.8-6.7-7.0
Percentage of Assets srt:ParentCompany0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Treasury Stock Value

us-gaap:TreasuryStockValue

us-gaap:TreasuryStockValue


Treasury
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value225771225773225776226136226136226137225835225970225970225970225553225674225673225671225246225305225305225292230424230449230451230454229734229102228601227598225820222636219635216638212781209598206586202563197333192188187172182165176932172025166735161381156608166410
Percentage of TreasuryStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets66.967.667.963.262.663.662.362.962.663.465.263.664.764.764.664.565.765.569.867.967.367.268.267.365.666.464.663.161.361.461.460.360.559.659.157.356.852.853.453.251.150.551.871.3

Minority Interest

us-gaap:MinorityInterest

us-gaap:MinorityInterest


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-06-012012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value698571276980721269706664728871947088679967346466631167166812692266606620650564136284631159996116633062196665690869766493649262335941607657975642517420247105634862736284605158404823
Percentage of MinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.12.12.12.01.91.92.02.02.01.91.91.81.81.92.02.01.91.92.01.91.81.81.81.81.81.81.92.01.91.81.91.81.71.81.71.71.60.02.11.91.91.91.91.92.1

Minority Interest Decrease From Distributions To Noncontrolling Interest Holders

us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders us-gaap:StatementEquityComponents

us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders

us-gaap:NoncontrollingInterest


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value6052514448453557574351579243454847444037434243394840764173587940801054073
Percentage of MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value96509264400543890.062746352907959478338860711108778085197411753569478173739676831359213224134421021719287107511484912889168561305513077923513046
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax14.616.18.89.70.011.410.114.38.813.512.615.010.913.011.312.712.414.50.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-2716.0-2355.0-3302.0-3709.0-5081.0-6367.0-4264.0-6150.0-6877.0-5793.0-5584.0-3907.0-5096.0-1859.0-6536.0-2555.0-2878.0-3761.0-1672.0-8493.0-10054.0-9002.0-7492.0-3756.0-5351.0-2012.0-4296.0-10504.0-5353.0-7080.0-6879.0-5078.0-5167.0
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-4.1-4.1-7.2-8.2-15.7-11.5-6.8-9.7-10.2-9.4-8.2-5.3-7.1-2.8-10.0-4.3-5.1-6.70.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-7022.0-7785.0-5283.0-4494.062778785-4456.0-1666.0548-1044.0-5501.0-4959.0-3244.0-5742.0-1837.0-4988.0-5059.0-3246.0-6746.0-715.0-6694.0-7725.0-10860.0-7153.0-8130.0-7045.0-7397.0-7065.0-6749.0-10430.0-7697.0-4177.0-4620.0
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-10.6-13.5-11.6-9.919.415.9-7.1-2.60.8-1.7-8.1-6.7-4.5-8.8-2.8-8.4-9.0-5.70.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

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

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value-50.0-849.0-4468.0-3744.011648323-2262.01138-373.01544-2627.02239
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.1-1.5-9.8-8.23.615.1-3.61.8-0.62.5-3.83.0

Depreciation Depletion And Amortization

us-gaap:DepreciationDepletionAndAmortization

us-gaap:DepreciationDepletionAndAmortization


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value49525004302914983491658194923487346314571502846584589447058424880465245198117460548214765475545424451430044584362428541924380428744054110411040373899384240753866388137614270384433663280
Percentage of DepreciationDepletionAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Increase Decrease In Inventories

us-gaap:IncreaseDecreaseInInventories

us-gaap:IncreaseDecreaseInInventories


Increase
Period End2020-12-312020-03-31
Value376-2245.0
Percentage of IncreaseDecreaseInInventories100.0100.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value96509264400543890.062746352907959478338860711108778085197411753569478173739676831359213224134421021719287107511484912889168561305513077923513046
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax14.616.18.89.70.011.410.114.38.813.512.615.010.913.011.312.712.414.50.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value46902730-20070.0-680.0-1080.0-610.056903170313023506000624039504650838039703350401016802650170018102780424041904940657080708780910083507870686095009950957015910945094001033010680106509250735075606300
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.14.7-43.9-1.5-3.3-1.19.05.04.63.88.88.45.57.112.86.76.07.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NetIncomeLoss us-gaap:StatementBusinessSegments

xom:ChemicalNonUs


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value1038700304296-144.0188194357309737708774701511377435313368345241385230225955268160465696847545553683
Percentage of NetIncomeLoss22.125.6-44.7-27.423.65.96.215.25.027.841.642.816.512.27.65.43.64.04.43.54.12.32.46.02.81.74.56.58.05.97.59.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.61.20.70.9-0.30.30.30.60.40.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax xom:ChemicalNonUs19.014.38.39.6-3.84.44.27.66.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

xom:ChemicalUnitedStates


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value128271535717128853-6.0161404453503403481529434509581526735605765528679680515752728565494433383538625669522676685
Percentage of NetIncomeLoss27.326.2-52.5-15.8-47.21.7-0.26.96.511.510.810.214.413.216.429.932.112.417.512.29.56.07.58.67.57.97.35.93.14.64.15.25.96.35.69.29.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.91.20.80.50.50.1-0.00.30.50.60.80.70.90.90.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax xom:ChemicalUnitedStates32.023.116.510.912.52.2-0.26.412.815.016.815.617.519.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

xom:CorporateAndFinancing


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value-588.0-849.0-727.0-872.0-679.0-469.0-770.0-788.0-344.0-704.0
Percentage of NetIncomeLoss-12.5-31.1106.980.7111.3-14.8-24.6-33.5-5.5-17.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.9-1.5-1.6-2.7-1.2-0.7-1.1-1.3-0.5-1.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax xom:CorporateAndFinancing-11760.0884.4-5592.3-9688.9-11316.7-4690.0-7700.0-7880.0-2646.2-5866.7

xom:DownstreamNonUs


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value-78.0-277.0-95.01077-510.0557141-95.06811004413719154610941100564175190277148506107117495812983395769622405924996780
Percentage of NetIncomeLoss-1.7-10.114.0-99.783.617.64.5-4.010.937.924.339.736.526.122.37.02.02.13.52.25.310.818.336.510.44.27.45.83.810.013.610.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.1-0.5-0.23.3-0.90.90.2-0.20.90.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax xom:DownstreamNonUs-0.2-1.0-0.46.6-1.71.70.4-0.31.70.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

xom:DownstreamUnitedStates


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value-149.0-113.0-136.0-101.0-101.0673310-161.09616953193913472922254121874874125674605366233152481039697144183460330810734694226164440
Percentage of NetIncomeLoss-3.2-4.120.09.416.621.29.9-6.915.417.66.99.810.47.38.524.210.311.59.811.55.76.16.84.03.610.97.015.15.26.40.37.86.96.52.42.25.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.2-0.2-0.3-0.3-0.21.10.5-0.31.31.00.50.70.60.50.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax xom:DownstreamUnitedStates-0.8-0.7-1.1-1.2-0.73.71.7-1.04.83.51.92.52.42.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

xom:UpstreamNonUs


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value25222191298-454.01240213129262780362326013068180513672270109780875618002078290751596688653956635209617861585340768067927645721070927396616344684471
Percentage of NetIncomeLoss53.880.3-43.842.0-203.367.293.5118.358.165.866.045.540.856.641.447.541.842.549.658.863.976.271.972.075.965.061.955.848.371.981.369.866.469.466.660.859.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.83.80.7-1.42.23.44.34.54.93.64.73.02.44.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax xom:UpstreamNonUs66.570.814.8-22.548.369.478.973.187.772.584.649.739.764.70.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

xom:UpstreamUnitedStates


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value663363-681.0-1197.0-704.03733596606439429-238.0-183.0-18.0-477.0-514.0-832.0-442.0-47.0-52.0125711931244105010968591604633678101011841184144912791317999865
Percentage of NetIncomeLoss14.113.3100.1110.8115.41.210.74.19.711.19.2-6.0-5.5-0.4-18.0-30.2-46.0-10.4-1.1-1.115.613.613.713.316.09.016.16.64.310.712.611.513.612.014.213.611.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.00.6-1.5-3.7-1.30.10.50.20.80.60.7-0.4-0.3-0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax xom:UpstreamUnitedStates38.419.3-47.9-110.7-39.61.912.93.622.217.218.2-10.4-7.8-0.80.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value47812796-20603.0-709.0-1169.0-770.0573032473391240662066446398647838409408532644090202428891681178128304384426250756782834691179370864380696975976110302992617654979997241067110898109139516756177466575
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.34.9-45.0-1.6-3.6-1.49.15.15.03.99.18.75.67.312.96.95.87.20.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ProfitLoss us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value9166-533.0-29.0-89.0-160.04077261562062063613329115-86.080344239-19.0-29.050144721352122763372702931991152613523561744349324341218263266211186275
Percentage of ProfitLoss1.92.42.64.17.620.80.72.47.72.33.33.20.92.80.32.8-2.62.017.08.3-1.1-1.61.83.31.72.73.13.33.72.93.42.51.62.73.43.69.93.63.33.22.02.42.82.82.44.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.1-1.2-0.1-0.3-0.30.10.10.40.10.30.30.10.20.00.2-0.20.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Parent


Profit
Period End2021-06-302020-06-30
Value4690-1080.0
Percentage of ProfitLoss98.192.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.1-3.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Parent0.00.0

us-gaap:RetainedEarnings


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value46902730-20070.0-680.0-1080.0-610.056903170313023506000624039504650838039703350401016802650170018102780424041904940657080708780910083507870686095009950957015910945094001033010680106509250735075606300
Percentage of ProfitLoss98.197.697.495.992.479.299.397.692.397.796.796.899.197.299.797.2102.698.083.091.7101.1101.698.296.798.397.396.996.796.397.196.697.598.497.396.696.490.196.496.796.898.097.697.297.297.695.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.14.7-43.9-1.5-3.3-1.19.05.04.63.88.88.45.57.112.86.76.07.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

xom:ExxonmobilShareOfEquity


Profit
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value2730-20070.0-680.0-1080.0-610.0569031703130235060006240
Percentage of ProfitLoss97.697.495.992.479.299.397.692.397.796.796.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.7-43.9-1.5-3.3-1.19.05.04.63.88.88.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax xom:ExxonmobilShareOfEquity0.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-2716.0-2355.0-3302.0-3709.0-5081.0-6367.0-4264.0-6150.0-6877.0-5793.0-5584.0-3907.0-5096.0-1859.0-6536.0-2555.0-2878.0-3761.0-1672.0-8493.0-10054.0-9002.0-7492.0-3756.0-5351.0-2012.0-4296.0-10504.0-5353.0-7080.0-6879.0-5078.0-5167.0
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-4.1-4.1-7.2-8.2-15.7-11.5-6.8-9.7-10.2-9.4-8.2-5.3-7.1-2.8-10.0-4.3-5.1-6.70.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Payments To Acquire Property Plant And Equipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value27472400362932914417594567046285617351996094520449273349450149133098289038873404427146016136640171096844888481988542732884269098865174941005780268345784386347478781270517670780156445756
Percentage of PaymentsToAcquirePropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-7022.0-7785.0-5283.0-4494.062778785-4456.0-1666.0548-1044.0-5501.0-4959.0-3244.0-5742.0-1837.0-4988.0-5059.0-3246.0-6746.0-715.0-6694.0-7725.0-10860.0-7153.0-8130.0-7045.0-7397.0-7065.0-6749.0-10430.0-7697.0-4177.0-4620.0
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-10.6-13.5-11.6-9.919.415.9-7.1-2.60.8-1.7-8.1-6.7-4.5-8.8-2.8-8.4-9.0-5.70.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Proceeds From Issuance Of Long Term Debt

us-gaap:ProceedsFromIssuanceOfLongTermDebt

us-gaap:ProceedsFromIssuanceOfLongTermDebt


Proceeds
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.00.01472084663369760.00.00.0601020.01.0119630.0280.080002283.00.055001394.01975.0398208260129245208151987693416.027
Percentage of ProceedsFromIssuanceOfLongTermDebt0.00.0100.0100.0100.0100.00.00.00.0100.0100.00.0100.0100.00.0100.00.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Repayments Of Long Term Debt

us-gaap:RepaymentsOfLongTermDebt

us-gaap:RepaymentsOfLongTermDebt


Repayments
Period End2020-12-312020-09-302020-06-302020-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value4.01.01.02.01324.06.05.030193142936372571133.0
Percentage of RepaymentsOfLongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Payments Of Dividends Common Stock

us-gaap:PaymentsOfDividendsCommonStock

us-gaap:PaymentsOfDividendsCommonStock


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value3721372037153716371537193716371637153505350235033502329132893289328931343133313331333054305430603066291029242946296627322750277027942561259226222657222122472277230821882662223420661986
Percentage of PaymentsOfDividendsCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Payments For Repurchase Of Common Stock

us-gaap:PaymentsForRepurchaseOfCommonStock

us-gaap:PaymentsForRepurchaseOfCommonStock


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.01.01000.00.03051730.00.04211961.02.04272321.0135012500.01.07267545011003178133183002300338603302304440315621525450985012570454225468551256535758327215682495
Percentage of PaymentsForRepurchaseOfCommonStock0.0100.0100.00.00.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Unrecognized Tax Benefits

us-gaap:UnrecognizedTaxBenefits

us-gaap:UnrecognizedTaxBenefits


Unrecognized
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-31
Value87648844917487839468939689867838766349224148472549765232
Percentage of UnrecognizedTaxBenefits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Assets Valuation Allowance

us-gaap:DeferredTaxAssetsValuationAllowance

us-gaap:DeferredTaxAssetsValuationAllowance


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value273119241826256515091730257024911615130411831495
Percentage of DeferredTaxAssetsValuationAllowance100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CommonStockDividendsPerShareCashPaid

us-gaap:CommonStockDividendsPerShareCashPaid


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.870.870.870.870.870.870.870.870.870.820.820.820.820.770.770.770.770.750.750.750.750.730.730.730.730.690.690.690.690.630.630.630.630.570.570.570.570.470.470.470.470.440.440.440.440.42
Percentage of CommonStockDividendsPerShareCashPaid100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets us-gaap:RetirementPlanSponsorLocation

us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets

country:US


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value181180175178175175141143142142182182181182193194194194181182
Percentage of DefinedBenefitPlanExpectedReturnOnPlanAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ForeignPlan


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value263258233226216222196192192197229233237252257260244239226227
Percentage of DefinedBenefitPlanExpectedReturnOnPlanAssets145.3143.3133.1127.0123.4126.9139.0134.3135.2138.7125.8128.0130.9138.5133.2134.0125.8123.2124.9124.7

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value4.05.05.04.05.04.03.04.04.04.06.05.06.06.07.06.05.06.07.06.0
Percentage of DefinedBenefitPlanExpectedReturnOnPlanAssets2.22.82.92.22.92.32.12.82.82.83.32.73.33.33.63.12.63.13.93.3

us-gaap:DefinedBenefitPlanInterestCost us-gaap:RetirementPlanSponsorLocation

us-gaap:DefinedBenefitPlanInterestCost

country:US


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value140139177177177177192192189193181179181180200199200199199198
Percentage of DefinedBenefitPlanInterestCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ForeignPlan


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value135130169165162161190189192192183185186200198198189187208206
Percentage of DefinedBenefitPlanInterestCost96.493.595.593.291.591.099.098.4101.699.5101.1103.4102.8111.199.099.594.594.0104.5104.0

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value5556697068707879797975757675908867728685
Percentage of DefinedBenefitPlanInterestCost39.340.339.039.538.439.540.641.141.840.941.441.942.041.745.044.233.536.243.242.9

us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost us-gaap:RetirementPlanSponsorLocation

us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost

country:US


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value317537457375365368325388359357372356359361478502462417333451
Percentage of DefinedBenefitPlanNetPeriodicBenefitCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ForeignPlan


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value191202294241232233136235193237223214216257251228216215277261
Percentage of DefinedBenefitPlanNetPeriodicBenefitCost60.337.664.364.363.663.341.860.653.866.459.960.160.271.252.545.446.851.683.257.9

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value106108125124121123113116112111129129126122138136102109150146
Percentage of DefinedBenefitPlanNetPeriodicBenefitCost33.420.127.433.133.233.434.829.931.231.134.736.235.133.828.927.122.126.145.032.4

us-gaap:DefinedBenefitPlanRecognizedNetGainLossDueToSettlementsAndCurtailments1 us-gaap:RetirementPlanSponsorLocation

us-gaap:DefinedBenefitPlanRecognizedNetGainLossDueToSettlementsAndCurtailments1

country:US


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value-95.0-298.0-124.0-52.0-52.0-52.0-3.0-54.0-53.0-54.0-79.0-63.0-63.0-63.0-159.0-187.0-158.0-105.014-111.0
Percentage of DefinedBenefitPlanRecognizedNetGainLossDueToSettlementsAndCurtailments1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ForeignPlan


Defined
Period End2021-06-302021-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value0.0-12.0-11.00.00.0-33.0-24.00.00.05.0
Percentage of DefinedBenefitPlanRecognizedNetGainLossDueToSettlementsAndCurtailments1-0.04.013.9-0.0-0.052.415.1-0.0-0.0-4.8

us-gaap:DefinedBenefitPlanServiceCost us-gaap:RetirementPlanSponsorLocation

us-gaap:DefinedBenefitPlanServiceCost

country:US


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value208225253245232235194208180175203203204209201200186197204200
Percentage of DefinedBenefitPlanServiceCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ForeignPlan


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value198195183178171175138136138139147149154158151155145145155131
Percentage of DefinedBenefitPlanServiceCost95.286.772.372.773.774.571.165.476.779.472.473.475.575.675.177.578.073.676.065.5

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value4649474544453538333341403536373630263838
Percentage of DefinedBenefitPlanServiceCost22.121.818.618.419.019.118.018.318.318.920.219.717.217.218.418.016.113.218.619.0

us-gaap:DerivativeNonmonetaryNotionalAmountEnergyMeasure us-gaap:Energy, us-gaap:Position

us-gaap:DerivativeNonmonetaryNotionalAmountEnergyMeasure

xom:NaturalGas, us-gaap:Short


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value-71.05326287159192
Percentage of DerivativeNonmonetaryNotionalAmountEnergyMeasure100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeNonmonetaryNotionalAmountVolume us-gaap:Energy, us-gaap:Position

us-gaap:DerivativeNonmonetaryNotionalAmountVolume

srt:CrudeOil, us-gaap:Long


Derivative
Period End2021-06-302021-03-312020-12-312019-12-31
Value-41.071-10.045
Percentage of DerivativeNonmonetaryNotionalAmountVolume100.0100.0100.0100.0

xom:Products, us-gaap:Short


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value1653-4.0-3.01736-12.06.08.036-2.04.0
Percentage of DerivativeNonmonetaryNotionalAmountVolume-39.074.640.00.00.00.0-26.70.00.00.00.00.0

us-gaap:DividendsCommonStock us-gaap:StatementEquityComponents

us-gaap:DividendsCommonStock

us-gaap:Parent


Dividends
Period End2021-06-302020-06-30
Value37213715
Percentage of DividendsCommonStock100.0100.0

us-gaap:RetainedEarnings


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value3721372037153716371537193716371637153505350235033502329132893289328931343133313331333054305430603066291029242946296627322750277027942561259226222657222122472277230821882212223420661986
Percentage of DividendsCommonStock100.00.00.00.0100.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

xom:ExxonmobilShareOfEquity


Dividends
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value37203715371637153719371637163715350535023503
Percentage of DividendsCommonStock0.00.00.0100.00.00.00.00.00.00.00.0

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents


Effect
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value382711270-32.0-369.0106-125.09.043-149.0
Percentage of EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ExplorationExpense

us-gaap:ExplorationExpense


Exploration
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value176164595188214288357299333280555292332287703284514289340327445355518324370311537319496317591486454445452494372522427728592334551500407686
Percentage of ExplorationExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancingReceivableAllowanceForCreditLossesEffectOfChangeInMethod us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType

us-gaap:FinancingReceivableAllowanceForCreditLossesEffectOfChangeInMethod

us-gaap:LoansAndFinanceReceivables


Financing
Period End2020-09-302020-06-302020-03-31
Value0.00.045
Percentage of FinancingReceivableAllowanceForCreditLossesEffectOfChangeInMethod0.00.0100.0

us-gaap:TradeAccountsReceivable


Financing
Period End2020-09-302020-06-302020-03-31
Value0.00.052
Percentage of FinancingReceivableAllowanceForCreditLossesEffectOfChangeInMethod0.00.0115.6

us-gaap:FinancingReceivableAllowanceForCreditLossesWriteOffs us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType

us-gaap:FinancingReceivableAllowanceForCreditLossesWriteOffs

us-gaap:LoansAndFinanceReceivables


Financing
Period End2020-09-30
Value0
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs0.0

us-gaap:TradeAccountsReceivable


Financing
Period End2020-09-30
Value0
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs0.0

us-gaap:GainLossOnDerivativeInstrumentsNetPretax us-gaap:HedgingDesignation

us-gaap:GainLossOnDerivativeInstrumentsNetPretax

us-gaap:NotDesignatedAsHedgingInstrumentTrading


Gain
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value-1108.0-511.0-295.0-163.0-429.0884-210.020466-293.0462-175.0-204.0-73.0-78.0-91.033
Percentage of GainLossOnDerivativeInstrumentsNetPretax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GoodwillImpairmentLoss

us-gaap:GoodwillImpairmentLoss


Goodwill
Period End2020-12-312020-09-302020-06-302020-03-31
Value49-49.00.0611
Percentage of GoodwillImpairmentLoss100.0100.00.0100.0

us-gaap:IncomeLossFromEquityMethodInvestments

us-gaap:IncomeLossFromEquityMethodInvestments


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value14361473337517103775117711961359170917561960172919106731472152517101328110311241251151917832081226126923211331241082967344430984418376333863651421038273915372038273453244322442537
Percentage of IncomeLossFromEquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherCurrentAssetsAndLiabilitiesNet

us-gaap:IncreaseDecreaseInOtherCurrentAssetsAndLiabilitiesNet


Increase
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-30
Value380-1953.0-863.01460942-1550.01243-2257.0-957.01333-351.03191021-793.06611326399-496.010245094632449-2452.0-286.05283-2321.02892384-5792.0-1076.01809-2887.0-1654.0
Percentage of IncreaseDecreaseInOtherCurrentAssetsAndLiabilitiesNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestPaid

us-gaap:InterestPaid


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value22355620961715746823642321042211636211736016737821936810937511122312719693170851218787108991141051689719199167128159103243166164130
Percentage of InterestPaid100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestPaidCapitalized

us-gaap:InterestPaidCapitalized


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value162151149181180155191185180175150169179154
Percentage of InterestPaidCapitalized100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InventoryWriteDown

us-gaap:InventoryWriteDown


Inventory
Period End2020-09-302020-06-302020-03-31
Value-153.0-2624.02777
Percentage of InventoryWriteDown100.0100.0100.0

us-gaap:LineOfCreditFacilityIncreaseDecreaseForPeriodNet

us-gaap:LineOfCreditFacilityIncreaseDecreaseForPeriodNet


Line
Period End2020-09-30
Value-7000000000.0
Percentage of LineOfCreditFacilityIncreaseDecreaseForPeriodNet100.0

us-gaap:MinorityInterestDecreaseFromRedemptions us-gaap:StatementEquityComponents

us-gaap:MinorityInterestDecreaseFromRedemptions

us-gaap:NoncontrollingInterest


Minority
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302013-12-312013-09-302012-12-312012-09-30
Value2935.00.00.0638679838394982095960610.00.03.00.0
Percentage of MinorityInterestDecreaseFromRedemptions100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.00.0

us-gaap:NetPeriodicDefinedBenefitsExpenseReversalOfExpenseExcludingServiceCostComponent

us-gaap:NetPeriodicDefinedBenefitsExpenseReversalOfExpenseExcludingServiceCostComponent


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value162378393272271269207357313358333307
Percentage of NetPeriodicDefinedBenefitsExpenseReversalOfExpenseExcludingServiceCostComponent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OffBalanceSheetCreditLossLiabilityChangeInMethodCreditLossExpenseReversal

us-gaap:OffBalanceSheetCreditLossLiabilityChangeInMethodCreditLossExpenseReversal


Off
Period End2020-12-31
Value0.0
Percentage of OffBalanceSheetCreditLossLiabilityChangeInMethodCreditLossExpenseReversal0.0

us-gaap:OffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal

us-gaap:OffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal


Off
Period End2020-12-31
Value-2000000.0
Percentage of OffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal100.0

us-gaap:OtherAssetImpairmentCharges

us-gaap:OtherAssetImpairmentCharges


Other
Period End2020-09-302020-06-302020-03-31
Value-41.064299
Percentage of OtherAssetImpairmentCharges100.0100.0100.0

us-gaap:OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent us-gaap:ConsolidatedEntities

us-gaap:OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent

srt:ParentCompany


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value-167.0-527.0-541.0-70.0-78.0-267.01903-276.0-108.0-155.0-840.0-217.0-252.0212-435.0
Percentage of OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax

us-gaap:OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value25-58.0457452-62.0755-56.010.010.0-259.00.0-58.01244774755.0-267.0-11.0-49.080-665.0-225.075-377.02070-138.02750-1568.085-38.0-19.01429100-71.01611890-111.060177
Percentage of OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent us-gaap:ConsolidatedEntities

us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent

srt:ParentCompany


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value3378813582644-5113.0-1348.046962722-1869.0-518.0
Percentage of OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax

us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value423149322114692875-5649.01810-1424.0600749-2357.0124-2040.0-804.0-72.0234216741408-2680.0-107.0-727.03340-924.0-4023.0997-5353.0-2861.0-3828.01628-786.0-1303.01229-2337.0-1209.0-378.01620-1367.01045357-3336.077813346932705-1847.0-517.0
Percentage of OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax us-gaap:ConsolidatedEntities

srt:ParentCompany


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value33788294313442644-5113.01687-1348.0469627-2044.022-1887.0-686.0-46.0
Percentage of OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax79.759.191.491.592.090.593.294.778.283.786.717.792.585.363.9

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax us-gaap:ConsolidatedEntities

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax

srt:ParentCompany


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value298246321012172527-5041.0-288.0-1251.0443604-1437.025-1856.0-1126.084
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationBeforeTax

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationBeforeTax


Other
Period End2020-12-312020-09-302018-12-312018-09-302018-06-302017-12-312017-09-302017-06-302014-06-30
Value0.0-14.0-10.00.0-18.00.00.0-234.0-81.0
Percentage of OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationBeforeTax0.0100.0100.00.0100.00.00.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationNetOfTax

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationNetOfTax


Other
Period End2020-12-312020-09-302018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302014-12-312014-09-302014-06-302014-03-312012-12-312012-09-30
Value0.0-14.0-10.00.0-18.0-168.00.00.0-234.0110.0-81.0-82.0-2.0119
Percentage of OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationNetOfTax0.0100.0100.00.0100.0100.00.00.0100.0100.00.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationNetOfTax us-gaap:ConsolidatedEntities

srt:ParentCompany


Other
Period End2020-12-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value0.0-10.00.0-18.0-168.00.0
Percentage of OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationNetOfTax0.0100.00.0100.0100.00.0

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-312018-09-302018-06-302017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value19-53.046578.07.0871.0198.05.07617-8.0-18.049-9.014-11.02382-25.0901937061-32.0118-16.07937-144.0-55.023-60.055121
Percentage of OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent us-gaap:ConsolidatedEntities

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent

srt:ParentCompany


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value504615348414282722-4846.0-216.0-1072.0577782-1194.0239-1617.0-730.0389
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value47-168.0-219.0140136-87.02135-103.03426-674.03.0-43.0434-110.014515925-468.0-34.0-110.0119-1247.0-484.0186-813.04458-372.09284-3232.0222-99.0-65.03170224-224.04044614-272.0
Percentage of OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax us-gaap:ConsolidatedEntities

srt:ParentCompany


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value39-158.0-267.0127117-72.01975-97.02623-607.0-3.0-31.0440-130.0
Percentage of OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax83.094.0121.990.786.082.892.594.276.588.590.1-100.072.1101.4118.2

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value65106856257581750505269646183126139123103561371271251411671501606314112113519819320520094200
Percentage of OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossTaxPortionAttributableToParent1

us-gaap:OtherComprehensiveIncomeLossTaxPortionAttributableToParent1


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value-21.0-217.06.0693.0-113.0825-105.0-40.0-42.0-309.0-56.0-114.041-3.0-48.0-56.0-116.0-274.0-157.0-162.0-56.0-793.0-315.0-112.0-452.02202-198.0-43.0-88.0-1648.0-124.0-164.0-182.01191-155.0-791.0-88.01874-120.0
Percentage of OtherComprehensiveIncomeLossTaxPortionAttributableToParent1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherOperatingActivitiesCashFlowStatement

us-gaap:OtherOperatingActivitiesCashFlowStatement


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-30
Value297000000.0-489000000.0-633000000.0-218000000.0-78000000.0-591000000.0-832000000.0-896000000.0-953000000.0
Percentage of OtherOperatingActivitiesCashFlowStatement100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsForProceedsFromOtherInvestingActivities

us-gaap:PaymentsForProceedsFromOtherInvestingActivities


Payments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-45.0-87.0-1401.0-89.0-220.0-477.0-83.0-209.0-215.0-90.0-187.0-1661.0-121.0-180.0-280.0-172.0-309.0-302.0-70.0-290.0-1017.0-2030.0-368.0-130.0-285.0-112.0-298.0-1256.021-1403.0-273.0-1228.0357779-136.0-774.0165
Percentage of PaymentsForProceedsFromOtherInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsForRestructuring

us-gaap:PaymentsForRestructuring


Payments
Period End2021-06-302021-03-31
Value94130
Percentage of PaymentsForRestructuring100.0100.0

us-gaap:PaymentsOfDividendsMinorityInterest

us-gaap:PaymentsOfDividendsMinorityInterest


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value605251444845355757435157924345484744403743424339484076417358794080105401504196421125795371055683
Percentage of PaymentsOfDividendsMinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromDivestitureOfBusinesses us-gaap:Range, us-gaap:StatementScenario, us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

us-gaap:ProceedsFromDivestitureOfBusinesses

srt:Maximum, us-gaap:ScenarioPlan, us-gaap:DisposalGroupDisposedOfBySaleNotDiscontinuedOperations, xom:NonOperatedUpstreamAssetsInUK


Proceeds
Period End2021-06-302021-03-31
Value0.0800
Percentage of ProceedsFromDivestitureOfBusinesses0.0100.0

srt:Minimum, us-gaap:ScenarioPlan, us-gaap:DisposalGroupDisposedOfBySaleNotDiscontinuedOperations, xom:NonOperatedUpstreamAssetsInUK


Proceeds
Period End2021-06-302021-03-31
Value0.0700
Percentage of ProceedsFromDivestitureOfBusinesses0.087.5

us-gaap:ProceedsFromHedgeFinancingActivities

us-gaap:ProceedsFromHedgeFinancingActivities


Proceeds
Period End2021-06-302021-03-312020-12-31
Value0.05300200
Percentage of ProceedsFromHedgeFinancingActivities0.0100.0100.0

us-gaap:ProceedsFromPaymentsToMinorityShareholders

us-gaap:ProceedsFromPaymentsToMinorityShareholders


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-260.05311219422394128149-45.0-74.0520-99.0-216.0-59.0-60.0-61.00.00.00.0-1.06.00.0-14.0212-4.00.0-3.0-9.0-4.0-1.0-1.0-1.0
Percentage of ProceedsFromPaymentsToMinorityShareholders100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0100.0100.00.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromRepaymentsOfOtherDebt

us-gaap:ProceedsFromRepaymentsOfOtherDebt


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value3171003-1473.0-894.0-4796.05829-485.0-4987.043506776-1845.0-1276.0
Percentage of ProceedsFromRepaymentsOfOtherDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromSalesOfBusinessAffiliateAndProductiveAssets

us-gaap:ProceedsFromSalesOfBusinessAffiliateAndProductiveAssets


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value250307770100438630924603310788414913071441140885415468720939761029177785491629484241127255611111836206305360805
Percentage of ProceedsFromSalesOfBusinessAffiliateAndProductiveAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromShortTermDebt

us-gaap:ProceedsFromShortTermDebt


Proceeds
Period End2021-06-302021-03-312020-06-302020-03-31
Value38815781736313128
Percentage of ProceedsFromShortTermDebt100.0100.0100.0100.0

us-gaap:ProvisionForLoanLossesExpensed us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType

us-gaap:ProvisionForLoanLossesExpensed

us-gaap:LoansAndFinanceReceivables


Provision
Period End2020-09-302020-06-302020-03-31
Value2000000.01000000.01000000.0
Percentage of ProvisionForLoanLossesExpensed100.0100.0100.0

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax us-gaap:ConsolidatedEntities

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax

srt:ParentCompany


Reclassification
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value-206.0-369.0-274.0-211.0-195.0-195.0-72.0-179.0-134.0-178.0-243.0-214.0-239.0-396.0-305.0
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RepaymentsOfShortTermDebtMaturingInMoreThanThreeMonths

us-gaap:RepaymentsOfShortTermDebtMaturingInMoreThanThreeMonths


Repayments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value715110849523385153320731283777473233843872532249532669282922928
Percentage of RepaymentsOfShortTermDebtMaturingInMoreThanThreeMonths100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestructuringCharges

us-gaap:RestructuringCharges


Restructuring
Period End2021-06-302021-03-31
Value10.039
Percentage of RestructuringCharges100.0100.0

us-gaap:RestructuringCharges us-gaap:RestructuringCostAndReserve

us-gaap:EmployeeSeverance


Restructuring
Period End2021-06-302021-03-31
Value10.039
Percentage of RestructuringCharges100.0100.0

us-gaap:StockIssuedDuringPeriodSharesTreasuryStockReissued

us-gaap:StockIssuedDuringPeriodSharesTreasuryStockReissued


Stock
Period End2021-06-302021-03-31
Value0.01.0
Percentage of StockIssuedDuringPeriodSharesTreasuryStockReissued0.0100.0

us-gaap:StockIssuedDuringPeriodSharesTreasuryStockReissued us-gaap:StatementEquityComponents

us-gaap:TreasuryStock


Stock
Period End2021-06-302021-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.01.02.00.01.07.02.01.01.08.010.04.03.016205.02.08.0
Percentage of StockIssuedDuringPeriodSharesTreasuryStockReissued0.0100.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:StockIssuedDuringPeriodValueTreasuryStockReissued

us-gaap:StockIssuedDuringPeriodValueTreasuryStockReissued


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value2.04.04600.01.03.0308-47.038133170.00.02.02911.00.03.02752.04.06.01220.00.03.01341.06.03.0119328.0391109825.047151517815888098226082432
Percentage of StockIssuedDuringPeriodValueTreasuryStockReissued100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueTreasuryStockReissued us-gaap:StatementEquityComponents

us-gaap:Parent


Stock
Period End2021-06-302020-06-30
Value2.01.0
Percentage of StockIssuedDuringPeriodValueTreasuryStockReissued100.0100.0

us-gaap:TreasuryStock


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value2.04.04600.01.03.03080.00.04.03170.00.02.02911.00.03.02752.04.06.01220.00.03.01341.06.03.0119328.0391109825.047151517815888098226082432
Percentage of StockIssuedDuringPeriodValueTreasuryStockReissued100.0100.0100.00.0100.0100.0100.0-0.00.030.8100.00.00.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

xom:ExxonmobilShareOfEquity


Stock
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value4.04600.01.03.03080.00.04.0317
Percentage of StockIssuedDuringPeriodValueTreasuryStockReissued100.0100.00.0100.0100.0100.0-0.00.030.8100.0

us-gaap:StockholdersEquityOther

us-gaap:StockholdersEquityOther


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-29.0-47.0342-192.0-222.02596-275.03.05.0-295.02.08.05.02913.054842743.02.02.01192.01.02.0120-5.0-6.05.0117-8.03.014797-16.019942092086136503191986.0378
Percentage of StockholdersEquityOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockholdersEquityOther us-gaap:StatementEquityComponents

us-gaap:CommonStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value4.06.04602.01.01823100.03.05.01491.01.05.02932.01.0842743.02.02.0106-16.00.07532076136499189986.0390
Percentage of StockholdersEquityOther-13.8-12.8134.5-1.0-0.5728.0322.9-0.0100.0100.0-50.550.012.5100.0100.766.71.9100.0100.0100.0100.0100.0109.3100.00.0360.399.5100.0100.099.299.0100.0100.0103.2

us-gaap:NoncontrollingInterest


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312017-09-302013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-33.0-53.0-118.0-194.0-223.0-157.0-214.0-275.0-38.0-9.0-444.01.07.0-2.01.02.0-1.00.0-241.0-9.00.01994-544.01.00.00.04.02.00.00.0-12.0
Percentage of StockholdersEquityOther113.8112.8-34.5101.0100.5-628.0-222.9100.0-1266.7-180.0150.550.087.5-0.733.31.712.50.0-163.9-9.3-0.0100.0-260.30.50.00.00.81.00.00.0-3.2

us-gaap:Parent


Stockholders
Period End2021-06-302020-06-30
Value4.01.0
Percentage of StockholdersEquityOther-13.8-0.5

xom:ExxonmobilShareOfEquity


Stockholders
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value6.04602.01.01823100.03.05.01491.0
Percentage of StockholdersEquityOther-12.8134.5-1.0-0.5728.0322.9-0.0100.0100.0-50.550.0

us-gaap:TaxesOther

us-gaap:TaxesOther


Taxes
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value774666606784735251546832776976767675740578388303837581471030469526578627066406496667061046761698169106613753782448484802185848523817879458170788392071029810062102221028694039630930685698613
Percentage of TaxesOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TreasuryStockValueAcquiredCostMethod us-gaap:StatementEquityComponents

us-gaap:TreasuryStockValueAcquiredCostMethod

us-gaap:TreasuryStock


Treasury
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.01.01000.00.03051730.00.04211961.02.04272321.0135822500.01.07267545011003178133183002300338603302304440315621525450985012570454225468551256536568327215682495
Percentage of TreasuryStockValueAcquiredCostMethod0.0100.0100.00.00.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

xom:ExxonmobilShareOfEquity


Treasury
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value1.01000.00.03051730.00.04211961.0
Percentage of TreasuryStockValueAcquiredCostMethod100.0100.00.00.0100.0100.00.00.0100.0100.0100.0

xom:AdditionalInvestmentsAndAdvances

xom:AdditionalInvestmentsAndAdvances


Additional
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-312010-09-30
Value26434914141919796728137380282091086840956613835571575517381910877723419549812823625912214577911804323032204371286111464173828109
Percentage of AdditionalInvestmentsAndAdvances100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

xom:AmortizationOfStockBasedAwards

xom:AmortizationOfStockBasedAwards


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value126202151187177181152156166223153169199237166168203264184209192211181218216213192186201201168165216212188179213226170189180203179207177188
Percentage of AmortizationOfStockBasedAwards100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

xom:AmortizationOfStockBasedAwards us-gaap:StatementEquityComponents

us-gaap:CommonStock


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value126202151187177181152156166223153169199237166168203264184209192211188179213226170189180203179207177188
Percentage of AmortizationOfStockBasedAwards100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Parent


Amortization
Period End2021-06-302020-06-30
Value126177
Percentage of AmortizationOfStockBasedAwards100.0100.0

xom:ExxonmobilShareOfEquity


Amortization
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value202151187177181152156166223153169
Percentage of AmortizationOfStockBasedAwards100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

xom:CrudeOilAndProductPurchases

xom:CrudeOilAndProductPurchases


Crude
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value37329326012390523950140693208334768352903894234801367814177641327362883623231432301943035928299280352713020707277173227637312326984458160428626495831461068639615948159899638006518066344698256730169289694476049753830488754846946785
Percentage of CrudeOilAndProductPurchases100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

xom:CrudeOilAndProductPurchases us-gaap:HedgingDesignation

us-gaap:NotDesignatedAsHedgingInstrumentTrading


Crude
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value-20.01.0-11.0134-178.0-352.01046033-18.0260-107.0-193.0-81.0-68.0-80.025
Percentage of CrudeOilAndProductPurchases-0.10.0-0.00.6-1.3-1.10.30.20.1-0.10.7-0.3-0.5-0.2-0.2-0.30.1

xom:CumulativeEffectOfAccountingChange

xom:CumulativeEffectOfAccountingChange


Cumulative
Period End2020-12-312020-09-302020-06-302020-03-312018-12-31
Value0.00.00.0-94.00.0
Percentage of CumulativeEffectOfAccountingChange0.00.00.0100.00.0

xom:CumulativeEffectOfAccountingChange us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest


Cumulative
Period End2020-12-312020-09-302020-06-302020-03-312018-12-31
Value0.00.00.0-1.00.0
Percentage of CumulativeEffectOfAccountingChange0.00.00.01.10.0

us-gaap:RetainedEarnings


Cumulative
Period End2020-12-312020-09-302020-06-302020-03-312018-12-31
Value0.00.00.0-93.00.0
Percentage of CumulativeEffectOfAccountingChange0.00.00.098.90.0

xom:ExxonmobilShareOfEquity


Cumulative
Period End2020-12-312020-09-302020-06-302020-03-312018-12-31
Value0.00.00.0-93.00.0
Percentage of CumulativeEffectOfAccountingChange0.00.00.098.90.0

xom:DefinedBenefitPlanAmortizationOfActuarialLossGainAndPriorServiceCostCredit us-gaap:RetirementPlanSponsorLocation

xom:DefinedBenefitPlanAmortizationOfActuarialLossGainAndPriorServiceCostCredit

country:US


Defined
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-30
Value5555797979777977939291110112110124
Percentage of DefinedBenefitPlanAmortizationOfActuarialLossGainAndPriorServiceCostCredit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ForeignPlan


Defined
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-30
Value12112312411511910255103113113118135126127151
Percentage of DefinedBenefitPlanAmortizationOfActuarialLossGainAndPriorServiceCostCredit220.0223.6157.0145.6150.6132.569.6133.8121.5122.8129.7122.7112.5115.5121.8

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-30
Value9.08.01314123.04.03.01921171810.01729
Percentage of DefinedBenefitPlanAmortizationOfActuarialLossGainAndPriorServiceCostCredit16.414.516.517.715.23.95.13.920.422.818.716.48.915.523.4

xom:DividendsCommonStockIncNoncontrollingInt

xom:DividendsCommonStockIncNoncontrollingInt


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value378137723766376037633764375137733772354835533560359433343334333733363178317331703176309630973099311429503000298730392790282928102874266626322695
Percentage of DividendsCommonStockIncNoncontrollingInt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

xom:InventoryWriteDownAfterTaxExxonmobilShare

xom:InventoryWriteDownAfterTaxExxonmobilShare


Inventory
Period End2020-09-302020-03-31
Value-113.02096
Percentage of InventoryWriteDownAfterTaxExxonmobilShare100.0100.0

xom:OtherComprehensiveIncomeLossNetInvestmentHedgeGainLossNetOfTax us-gaap:ConsolidatedEntities

xom:OtherComprehensiveIncomeLossNetInvestmentHedgeGainLossNetOfTax

srt:ParentCompany


Other
Period End2021-06-302021-03-312020-12-312020-09-30
Value-56.0191-196.0-164.0
Percentage of OtherComprehensiveIncomeLossNetInvestmentHedgeGainLossNetOfTax100.0100.0100.0100.0

xom:OtherComprehensiveIncomePostretirementBenefitsRecognizedInNetPeriodicPensionCostNetOfTax

xom:OtherComprehensiveIncomePostretirementBenefitsRecognizedInNetPeriodicPensionCostNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value215378283206203204701861411852422232292373153112832562272782922893733673573511932893133164674554544443124541236393288298321310100300312328
Percentage of OtherComprehensiveIncomePostretirementBenefitsRecognizedInNetPeriodicPensionCostNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

xom:OtherComprehensiveIncomePostretirementBenefitsRecognizedInNetPeriodicPensionCostNetOfTax us-gaap:ConsolidatedEntities

srt:ParentCompany


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value20636927419719519572179134178233214221228305
Percentage of OtherComprehensiveIncomePostretirementBenefitsRecognizedInNetPeriodicPensionCostNetOfTax95.897.696.895.696.195.6102.996.295.096.296.396.096.596.296.8

xom:ProductionAndManufacturingExpenses

xom:ProductionAndManufacturingExpenses


Production
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value8471806281367103689582979486884895228970101769097891884919542833484077845858177098076756190088614923587301034299511047810088106699842102789736975691289787985010227101991032295209999898283768435
Percentage of ProductionAndManufacturingExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

xom:TreasurySharesAcquiredAndRestrictedStockForfeitures

xom:TreasurySharesAcquiredAndRestrictedStockForfeitures


Treasury
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-31
Value006000000.0006000000.0005000000.0007000000.0009000000.0
Percentage of TreasurySharesAcquiredAndRestrictedStockForfeitures0.00.0100.00.00.0100.00.00.0100.00.00.0100.00.00.0100.0

xom:TreasurySharesAcquiredAndRestrictedStockForfeitures us-gaap:StatementEquityComponents

us-gaap:TreasuryStock


Treasury
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-31
Value006000000.0006000000.0005000000.0007000000.0009000000.0
Percentage of TreasurySharesAcquiredAndRestrictedStockForfeitures0.00.0100.00.00.0100.00.00.0100.00.00.0100.00.00.0100.0

xom:TreasuryStockIncludingNonControllingInterests

xom:TreasuryStockIncludingNonControllingInterests


Treasury
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value2931.01050.00.036825979835042909921148629262425822500.01.0726754501100317813318300230033860330230444031562252575098
Percentage of TreasuryStockIncludingNonControllingInterests100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dei:EntityCommonStockSharesOutstanding

dei:EntityCommonStockSharesOutstanding


Entity
Period End2021-01-31
Value4233
Percentage of EntityCommonStockSharesOutstanding100.0

us-gaap:AccountsAndFinancingReceivableAllowanceForCreditLoss

us-gaap:AccountsAndFinancingReceivableAllowanceForCreditLoss


Accounts
Period End2020-09-30
Value148
Percentage of AccountsAndFinancingReceivableAllowanceForCreditLoss100.0

us-gaap:AccountsNotesAndLoansReceivableNetCurrent

us-gaap:AccountsNotesAndLoansReceivableNetCurrent


Accounts
Period End2020-09-30
Value16450
Percentage of AccountsNotesAndLoansReceivableNetCurrent100.0

us-gaap:AccountsPayableOtherCurrent

us-gaap:AccountsPayableOtherCurrent


Accounts
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value7838701160626331599167627062669566951042270266139
Percentage of AccountsPayableOtherCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccountsPayableTradeCurrent

us-gaap:AccountsPayableTradeCurrent


Accounts
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value174992469421063217011780118074252863092033789339693078024236
Percentage of AccountsPayableTradeCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccountsReceivableNet us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType

us-gaap:AccountsReceivableNet

us-gaap:TradeAccountsReceivable


Accounts
Period End2020-12-31
Value16250
Percentage of AccountsReceivableNet100.0

xom:NotesAndAccountsReceivableOther


Accounts
Period End2020-12-31
Value1962
Percentage of AccountsReceivableNet12.1

us-gaap:AccrualForTaxesOtherThanIncomeTaxesCurrent

us-gaap:AccrualForTaxesOtherThanIncomeTaxesCurrent


Accrual
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value340833013280331126532937329038834130712367785921
Percentage of AccrualForTaxesOtherThanIncomeTaxesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax us-gaap:ConsolidatedEntities

us-gaap:AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax

srt:ParentCompany


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-312015-12-31
Value539755646091663267026780704751445420552856836523674069926780721577389341
Percentage of AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax us-gaap:ConsolidatedEntities

us-gaap:AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax

srt:ParentCompany


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-312015-12-31
Value-10189.0-10526.0-10614.0-13557.0-14915.0-17559.0-12446.0-14133.0-12785.0-13254.0-13881.0-11847.0-11869.0-10000.0-9482.0-9436.0-14501.0-14170.0
Percentage of AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AdvancesToAffiliate

us-gaap:AdvancesToAffiliate


Advances
Period End2020-12-312019-12-312018-12-31
Value881285428608
Percentage of AdvancesToAffiliate100.0100.0100.0

us-gaap:AllowanceForDoubtfulAccountsReceivable

us-gaap:AllowanceForDoubtfulAccountsReceivable


Allowance
Period End2020-09-302020-06-302020-03-312019-12-31
Value595608602503
Percentage of AllowanceForDoubtfulAccountsReceivable100.0100.0100.0100.0

us-gaap:AllowanceForDoubtfulAccountsReceivable us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType

us-gaap:TradeAccountsReceivable


Allowance
Period End2020-12-312019-12-31
Value9534
Percentage of AllowanceForDoubtfulAccountsReceivable0.06.8

xom:NotesAndAccountsReceivableOther


Allowance
Period End2020-12-312019-12-31
Value7156
Percentage of AllowanceForDoubtfulAccountsReceivable0.011.1

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent


Allowance
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value9634617275107113112109128152198
Percentage of AllowanceForDoubtfulAccountsReceivableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AllowanceForNotesAndLoansReceivableCurrent

us-gaap:AllowanceForNotesAndLoansReceivableCurrent


Allowance
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value3783713395396274.0482836393431
Percentage of AllowanceForNotesAndLoansReceivableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetRetirementObligation

us-gaap:AssetRetirementObligation


Asset
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-31
Value11247112801210312705132431370413424129881197310578961484735352
Percentage of AssetRetirementObligation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetRetirementObligationsNoncurrent

us-gaap:AssetRetirementObligationsNoncurrent


Asset
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value1055810279111851192812352
Percentage of AssetRetirementObligationsNoncurrent100.0100.0100.0100.0100.0

us-gaap:CapitalizedExploratoryWellCosts

us-gaap:CapitalizedExploratoryWellCosts


Capitalized
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-31
Value43824613416037004477437235872707267928812893200515851291
Percentage of CapitalizedExploratoryWellCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CapitalizedExploratoryWellCostsThatHaveBeenCapitalizedForPeriodGreaterThanOneYear

us-gaap:CapitalizedExploratoryWellCostsThatHaveBeenCapitalizedForPeriodGreaterThanOneYear


Capitalized
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value41744081359627944297352524922414
Percentage of CapitalizedExploratoryWellCostsThatHaveBeenCapitalizedForPeriodGreaterThanOneYear100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CapitalizedExploratoryWellCostsThatHaveBeenCapitalizedForPeriodGreaterThanOneYear us-gaap:AgingOfCapitalizedExploratoryWellCosts

us-gaap:AgingOfCapitalizedExploratoryWellCostsPeriodFour


Capitalized
Period End2020-12-312019-12-312018-12-31
Value414464418
Percentage of CapitalizedExploratoryWellCostsThatHaveBeenCapitalizedForPeriodGreaterThanOneYear9.911.411.6

us-gaap:AgingOfCapitalizedExploratoryWellCostsPeriodThree


Capitalized
Period End2020-12-312019-12-312018-12-31
Value193214111150
Percentage of CapitalizedExploratoryWellCostsThatHaveBeenCapitalizedForPeriodGreaterThanOneYear46.334.632.0

us-gaap:AgingOfCapitalizedExploratoryWellCostsPeriodTwo


Capitalized
Period End2020-12-312019-12-312018-12-31
Value182822062028
Percentage of CapitalizedExploratoryWellCostsThatHaveBeenCapitalizedForPeriodGreaterThanOneYear43.854.156.4

us-gaap:CapitalizedExploratoryWellCostsThatHaveBeenCapitalizedForPeriodOfOneYearOrLess

us-gaap:CapitalizedExploratoryWellCostsThatHaveBeenCapitalizedForPeriodOfOneYearOrLess


Capitalized
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-31
Value20853256490618084710952938663101103624448
Percentage of CapitalizedExploratoryWellCostsThatHaveBeenCapitalizedForPeriodOfOneYearOrLess100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CommercialPaper

us-gaap:CommercialPaper


Commercial
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value1730618561128631304910727179731622514051196322811346201
Percentage of CommercialPaper100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrumentInterestRateEffectivePercentage us-gaap:ConsolidatedEntities, us-gaap:DebtInstrument

us-gaap:DebtInstrumentInterestRateEffectivePercentage

xom:CombinedExxonMobilAndAffiliates, xom:FinanceLeaseObligations


Debt
Period End2020-12-31
Value8.73
Percentage of DebtInstrumentInterestRateEffectivePercentage100.0

xom:CombinedExxonMobilAndAffiliates, xom:IndustrialRevenueBondsDue20202051


Debt
Period End2020-12-31
Value0.437
Percentage of DebtInstrumentInterestRateEffectivePercentage5.0

us-gaap:DebtInstrumentInterestRateEffectivePercentage us-gaap:ConsolidatedEntities, us-gaap:DebtInstrument, us-gaap:LongtermDebtType

xom:ExxonMobilCorporation, xom:SevenYearFloatingRate, xom:OtherUsDollarObligations


Debt
Period End2020-12-31
Value1.118
Percentage of DebtInstrumentInterestRateEffectivePercentage12.8

xom:ExxonMobilCorporation, xom:ThreeYearFloatingRateNotesDue2022, xom:OtherUsDollarObligations


Debt
Period End2020-12-31
Value1.189
Percentage of DebtInstrumentInterestRateEffectivePercentage13.6

us-gaap:DebtInstrumentUnamortizedPremium us-gaap:ConsolidatedEntities

us-gaap:DebtInstrumentUnamortizedPremium

xom:ExxonMobilCorporation


Debt
Period End2020-12-31
Value148
Percentage of DebtInstrumentUnamortizedPremium100.0

xom:XtoEnergyInc


Debt
Period End2020-12-312019-12-312018-12-31
Value879297
Percentage of DebtInstrumentUnamortizedPremium58.80.00.0

us-gaap:DebtInstrumentUnamortizedPremium us-gaap:ConsolidatedEntities, us-gaap:DebtInstrument

xom:ExxonMobilCorporation, xom:TwoPointNineNineTwoNotesDue2025AndFourPointTwoTwoSevenNotesDue2040


Debt
Period End2020-09-30
Value152
Percentage of DebtInstrumentUnamortizedPremium0.0

us-gaap:DeferredFinanceCostsNet

us-gaap:DeferredFinanceCostsNet


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value13160425569
Percentage of DeferredFinanceCostsNet100.0100.0100.0100.0100.0

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredIncomeTaxLiabilities


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value35205436824226142184510065402256002
Percentage of DeferredIncomeTaxLiabilities100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAndOtherLiabilitiesNoncurrent

us-gaap:DeferredTaxAndOtherLiabilitiesNoncurrent


Deferred
Period End2020-12-312019-12-312018-12-31
Value140062235224035
Percentage of DeferredTaxAndOtherLiabilitiesNoncurrent100.0100.0100.0

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsGross


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value239302325420052211742259423138248472229522991234771940817813
Percentage of DeferredTaxAssetsGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value898274046321676754724983409933932989316632433693
Percentage of DeferredTaxAssetsOperatingLossCarryforwards100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsOther

us-gaap:DeferredTaxAssetsOther


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value709577355498583256155592644662466135707960704700
Percentage of DeferredTaxAssetsOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensions

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensions


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value470347124115433860536286814065738041793056345442
Percentage of DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAssetRetirementObligations

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAssetRetirementObligations


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value315034034118423754546277616260835826530244613978
Percentage of DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAssetRetirementObligations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesOther

us-gaap:DeferredTaxLiabilitiesOther


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value642776536516562542624613435934743680428142784102
Percentage of DeferredTaxLiabilitiesOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value287783602935745365594674449409516435088448720459514265729931
Percentage of DeferredTaxLiabilitiesPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanAccumulatedBenefitObligation us-gaap:RetirementPlanSponsorLocation

us-gaap:DefinedBenefitPlanAccumulatedBenefitObligation

country:US


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value1750216387146831555716245
Percentage of DefinedBenefitPlanAccumulatedBenefitObligation100.0100.0100.0100.0100.0

us-gaap:ForeignPlan


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value3095227236233502555722867
Percentage of DefinedBenefitPlanAccumulatedBenefitObligation176.8166.2159.0164.3140.8

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us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax

country:US


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value28273972383739935369
Percentage of DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax100.0100.0100.0100.0100.0

us-gaap:ForeignPlan


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value61126022462054435506
Percentage of DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax216.2151.6120.4136.3102.6

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value890102452011981038
Percentage of DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax31.525.813.630.019.3

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us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax

country:US


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value-3102.0-3971.0-3831.0-3982.0-5354.0
Percentage of DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax100.0100.0100.0100.0100.0

us-gaap:ForeignPlan


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value-5904.0-5662.0-4713.0-5586.0-5629.0
Percentage of DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax190.3142.6123.0140.3105.1

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value-1164.0-1339.0-877.0-1595.0-1468.0
Percentage of DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax37.533.722.940.127.4

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us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax

country:US


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value-275.01.06.01115
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us-gaap:ForeignPlan


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value208360-93.0-143.0-123.0
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us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value-274.0-315.0-357.0-397.0-430.0
Percentage of DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax99.6-31500.0-5950.0-3609.1-2866.7

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us-gaap:DefinedBenefitPlanAmountsRecognizedInBalanceSheet

country:US


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value-6362000000.0-7323000000.0-7040000000.0-6528000000.0-7167000000.0
Percentage of DefinedBenefitPlanAmountsRecognizedInBalanceSheet100.0100.0100.0100.0100.0

us-gaap:ForeignPlan


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value-7410000000.0-7002000000.0-5892000000.0-6502000000.0-6153000000.0
Percentage of DefinedBenefitPlanAmountsRecognizedInBalanceSheet116.595.683.799.685.9

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value-7689000000.0-7688000000.0-7085000000.0-7673000000.0-7389000000.0
Percentage of DefinedBenefitPlanAmountsRecognizedInBalanceSheet120.9105.0100.6117.5103.1

us-gaap:DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent us-gaap:RetirementPlanSponsorLocation

us-gaap:DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent

us-gaap:ForeignPlan


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value19311151117414031035
Percentage of DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate us-gaap:RetirementPlanSponsorLocation

us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate

country:US


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value2.80.0350.0440.0380.0425
Percentage of DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate100.0100.0100.0100.0100.0

us-gaap:ForeignPlan


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value1.60.0230.030.0280.03
Percentage of DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate57.165.768.273.770.6

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value2.80.0350.0440.0380.0425
Percentage of DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate100.0100.0100.0100.0100.0

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us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease

country:US


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value5.50.05750.05750.05750.0575
Percentage of DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease100.0100.0100.0100.0100.0

us-gaap:ForeignPlan


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value4.20.0480.0430.0430.04
Percentage of DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease76.483.574.874.869.6

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value5.50.05750.05750.05750.0575
Percentage of DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanBenefitObligation us-gaap:RetirementPlanSponsorLocation

us-gaap:DefinedBenefitPlanBenefitObligation

country:US


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value216622095918174193101996019583
Percentage of DefinedBenefitPlanBenefitObligation100.0100.0100.0100.0100.0100.0

us-gaap:ForeignPlan


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value336262991825378279632519625117
Percentage of DefinedBenefitPlanBenefitObligation155.2142.7139.6144.8126.2128.3

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value813581137471810078008282
Percentage of DefinedBenefitPlanBenefitObligation37.638.741.141.939.142.3

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us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter

country:US


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value5971651263936355
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter100.0100.0100.0100.0

us-gaap:ForeignPlan


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value6274612558066162
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter105.194.190.897.0

xom:GrossOtherPostRetirementBenefits


Defined
Period End2020-12-312019-12-31
Value20582196
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter34.533.7

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us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths

country:US


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value2434144013531364
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths100.0100.0100.0100.0

us-gaap:ForeignPlan


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value1310117111131183
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths53.881.382.386.7

xom:GrossOtherPostRetirementBenefits


Defined
Period End2020-12-312019-12-31
Value424444
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths17.430.8

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive us-gaap:RetirementPlanSponsorLocation

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive

country:US


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value1142132713071285
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive100.0100.0100.0100.0

us-gaap:ForeignPlan


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value1186122111561220
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive103.992.088.494.9

xom:GrossOtherPostRetirementBenefits


Defined
Period End2020-12-312019-12-31
Value415438
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive36.333.0

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour us-gaap:RetirementPlanSponsorLocation

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour

country:US


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value1124132813021268
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour100.0100.0100.0100.0

us-gaap:ForeignPlan


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value1240119911381203
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour110.390.387.494.9

xom:GrossOtherPostRetirementBenefits


Defined
Period End2020-12-312019-12-31
Value418440
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour37.233.1

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree us-gaap:RetirementPlanSponsorLocation

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree

country:US


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value1105133013101267
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree100.0100.0100.0100.0

us-gaap:ForeignPlan


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value1214117711271197
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree109.988.586.094.5

xom:GrossOtherPostRetirementBenefits


Defined
Period End2020-12-312019-12-31
Value420443
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree38.033.3

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo us-gaap:RetirementPlanSponsorLocation

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo

country:US


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value1079133913121279
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo100.0100.0100.0100.0

us-gaap:ForeignPlan


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value1193116211111163
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo110.686.884.790.9

xom:GrossOtherPostRetirementBenefits


Defined
Period End2020-12-312019-12-31
Value426445
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo39.533.2

us-gaap:DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear us-gaap:RetirementPlanSponsorLocation

us-gaap:DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear

country:US


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value86510301020490
Percentage of DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear100.0100.0100.0100.0

us-gaap:ForeignPlan


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value395515680720
Percentage of DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear45.750.066.7146.9

us-gaap:DefinedBenefitPlanPensionPlanWithProjectedBenefitObligationInExcessOfPlanAssetsPlanAssets us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanPensionPlanWithProjectedBenefitObligationInExcessOfPlanAssetsPlanAssets

country:US, us-gaap:FundedPlan


Defined
Period End2020-12-312019-12-31
Value1530013636
Percentage of DefinedBenefitPlanPensionPlanWithProjectedBenefitObligationInExcessOfPlanAssetsPlanAssets100.0100.0

us-gaap:ForeignPlan, us-gaap:FundedPlan


Defined
Period End2020-12-312019-12-31
Value106819616
Percentage of DefinedBenefitPlanPensionPlanWithProjectedBenefitObligationInExcessOfPlanAssetsPlanAssets69.870.5

us-gaap:DefinedBenefitPlanPensionPlanWithProjectedBenefitObligationInExcessOfPlanAssetsProjectedBenefitObligation us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanPensionPlanWithProjectedBenefitObligationInExcessOfPlanAssetsProjectedBenefitObligation

country:US, us-gaap:FundedPlan


Defined
Period End2020-12-312019-12-31
Value1945618292
Percentage of DefinedBenefitPlanPensionPlanWithProjectedBenefitObligationInExcessOfPlanAssetsProjectedBenefitObligation100.0100.0

us-gaap:ForeignPlan, us-gaap:FundedPlan


Defined
Period End2020-12-312019-12-31
Value1383612496
Percentage of DefinedBenefitPlanPensionPlanWithProjectedBenefitObligationInExcessOfPlanAssetsProjectedBenefitObligation71.168.3

us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation

country:US, us-gaap:FundedPlan


Defined
Period End2020-12-312019-12-312018-12-31
Value161291494013208
Percentage of DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation100.0100.0100.0

country:US, us-gaap:UnfundedPlan


Defined
Period End2020-12-312019-12-312018-12-31
Value137314471475
Percentage of DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation8.59.711.2

us-gaap:ForeignPlan, us-gaap:FundedPlan


Defined
Period End2020-12-312019-12-312018-12-31
Value460230263671
Percentage of DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation28.520.327.8

us-gaap:ForeignPlan, us-gaap:UnfundedPlan


Defined
Period End2020-12-312019-12-312018-12-31
Value546946295670
Percentage of DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation33.931.042.9

us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets

country:US, us-gaap:FundedPlan


Defined
Period End2020-12-312019-12-312018-12-31
Value153001363611134
Percentage of DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets100.0100.0100.0

us-gaap:ForeignPlan, us-gaap:FundedPlan


Defined
Period End2020-12-312019-12-312018-12-31
Value265213813499
Percentage of DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets17.310.131.4

us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateProjectedBenefitObligation us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateProjectedBenefitObligation

country:US, us-gaap:UnfundedPlan


Defined
Period End2020-12-312019-12-312018-12-31
Value220626672436
Percentage of DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateProjectedBenefitObligation100.0100.0100.0

us-gaap:ForeignPlan, us-gaap:UnfundedPlan


Defined
Period End2020-12-312019-12-312018-12-31
Value618752746331
Percentage of DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateProjectedBenefitObligation280.5197.8259.9

us-gaap:DefinedBenefitPlanPlanAssetsTargetAllocationPercentage us-gaap:DefinedBenefitPlanByPlanAssetCategories, us-gaap:RetirementPlanSponsorLocation

us-gaap:DefinedBenefitPlanPlanAssetsTargetAllocationPercentage

us-gaap:DebtSecurities, country:US


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value70.00.70.70.7
Percentage of DefinedBenefitPlanPlanAssetsTargetAllocationPercentage100.0100.0100.0100.0

us-gaap:DebtSecurities, us-gaap:ForeignPlan


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value70.00.70.70.7
Percentage of DefinedBenefitPlanPlanAssetsTargetAllocationPercentage100.0100.0100.0100.0

us-gaap:EquitySecurities, country:US


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value30.00.30.30.3
Percentage of DefinedBenefitPlanPlanAssetsTargetAllocationPercentage42.942.942.942.9

us-gaap:EquitySecurities, us-gaap:ForeignPlan


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value30.00.30.30.3
Percentage of DefinedBenefitPlanPlanAssetsTargetAllocationPercentage42.942.942.942.9

us-gaap:VentureCapitalFunds, country:US


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value4.00.040.050.05
Percentage of DefinedBenefitPlanPlanAssetsTargetAllocationPercentage5.75.77.17.1

us-gaap:VentureCapitalFunds, us-gaap:ForeignPlan


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value2.00.030.030.03
Percentage of DefinedBenefitPlanPlanAssetsTargetAllocationPercentage2.94.34.34.3

us-gaap:DefinedBenefitPlanUltimateHealthCareCostTrendRate1

us-gaap:DefinedBenefitPlanUltimateHealthCareCostTrendRate1


Defined
Period End2020-12-31
Value4.5
Percentage of DefinedBenefitPlanUltimateHealthCareCostTrendRate1100.0

us-gaap:DerivativeAssetsCurrent us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:DerivativeAssetsCurrent

us-gaap:FairValueInputsLevel1


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value2156133812476371488456553348344914529710498
Percentage of DerivativeAssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueInputsLevel2


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value594264194121165171102803924
Percentage of DerivativeAssetsCurrent27.619.715.619.011.13.719.116.68.716.6

us-gaap:DerivativeAssetsCurrent us-gaap:FairValueByMeasurementBasis

us-gaap:CarryingReportedAmountFairValueDisclosure


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value39320815310716517110280392410498
Percentage of DerivativeAssetsCurrent18.215.512.316.811.13.719.116.68.716.6100.0100.0

us-gaap:FairValueDisclosureItemAmountsDomain


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value27501602144175816534736635563488169297
Percentage of DerivativeAssetsCurrent127.6119.7115.6119.0111.1103.7119.1116.6108.7116.6100.0

us-gaap:DerivativeAssetsCurrent us-gaap:StatementScenario

xom:EffectOfCollateralNetting


Derivative
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value-62.0-6.0-80.0-65.0-962.0-70.0-91.0-34.0-146.0
Percentage of DerivativeAssetsCurrent-4.6-0.5-12.6-4.4-21.1-13.1-18.8-7.6-49.2

xom:EffectOfCounterpartyNetting


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value-2357.0-1332.0-1282.0-571.0-1423.0-3603.0-463.0-392.0-415.0-145.0-151.0
Percentage of DerivativeAssetsCurrent-109.3-99.6-102.8-89.6-95.6-78.9-86.9-81.2-92.4-100.0-50.8

us-gaap:DerivativeLiabilitiesCurrent us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:DerivativeLiabilitiesCurrent

us-gaap:FairValueInputsLevel1


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value28061389144381717483637568414432213151248240
Percentage of DerivativeLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueInputsLevel2


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value759329254918821670582613
Percentage of DerivativeLiabilitiesCurrent27.023.717.611.15.05.912.314.06.06.1

us-gaap:DerivativeLiabilitiesCurrent us-gaap:FairValueByMeasurementBasis

us-gaap:CarryingReportedAmountFairValueDisclosure


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value558273213788821670582613248240
Percentage of DerivativeLiabilitiesCurrent19.919.714.89.55.05.912.314.06.06.1100.0100.0

us-gaap:FairValueDisclosureItemAmountsDomain


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value35651718169790818363853638472458226151
Percentage of DerivativeLiabilitiesCurrent127.0123.7117.6111.1105.0105.9112.3114.0106.0106.1100.0

us-gaap:DerivativeLiabilitiesCurrent us-gaap:StatementScenario

xom:EffectOfCollateralNetting


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-650.0-113.0-202.0-259.0-325.0-34.0-105.0-22.0-17.0-68.0
Percentage of DerivativeLiabilitiesCurrent-23.2-8.1-14.0-31.7-18.6-0.9-18.5-5.3-3.9-31.9

xom:EffectOfCounterpartyNetting


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value-2357.0-1332.0-1282.0-571.0-1423.0-3603.0-463.0-392.0-415.0-145.0-151.0
Percentage of DerivativeLiabilitiesCurrent-84.0-95.9-88.8-69.9-81.4-99.1-81.5-94.7-96.1-68.1-100.0

us-gaap:DisposalGroupIncludingDiscontinuedOperationConsideration us-gaap:StatementScenario, us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

us-gaap:DisposalGroupIncludingDiscontinuedOperationConsideration

us-gaap:ScenarioPlan, us-gaap:DisposalGroupDisposedOfBySaleNotDiscontinuedOperations, xom:GlobalSantopreneBusiness


Disposal
Period End2021-06-30
Value1150
Percentage of DisposalGroupIncludingDiscontinuedOperationConsideration100.0

us-gaap:DueToRelatedPartiesNoncurrent

us-gaap:DueToRelatedPartiesNoncurrent


Due
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-31
Value303832793253348638314024398842324181443043824625457548184774500349545175512453405320545754175524548755195325513250414877474246364045374835551808
Percentage of DueToRelatedPartiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized us-gaap:AwardType

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized

us-gaap:RestrictedStock


Employee
Period End2020-12-31
Value1356
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized100.0

us-gaap:EnergyRelatedInventory

us-gaap:EnergyRelatedInventory


Energy
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value1471113740141691316215028120671401013131143791397914803146171437313879128711248811135106861087712037
Percentage of EnergyRelatedInventory100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EnergyRelatedInventoryChemicals

us-gaap:EnergyRelatedInventoryChemicals


Energy
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value302332403821330028002700
Percentage of EnergyRelatedInventoryChemicals100.0100.0100.0100.0100.0100.0

us-gaap:EnergyRelatedInventoryPetroleum

us-gaap:EnergyRelatedInventoryPetroleum


Energy
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value535451114783460039004200
Percentage of EnergyRelatedInventoryPetroleum100.0100.0100.0100.0100.0100.0

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

us-gaap:EquityMethodInvestmentOwnershipPercentage

xom:AeraEnergyLlc, xom:Upstream


Equity
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value48.00.480.480.480.480.480.480.480.480.48
Percentage of EquityMethodInvestmentOwnershipPercentage100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

xom:AlJubailPetrochemicalCompany, xom:Chemical


Equity
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value50.00.50.50.50.50.50.50.50.50.5
Percentage of EquityMethodInvestmentOwnershipPercentage104.2104.2104.2104.2104.2104.2104.2104.2104.2104.2

xom:AlbertaProductsPipeLineLtd, xom:Downstream


Equity
Period End2020-12-312019-12-31
Value45.00.45
Percentage of EquityMethodInvestmentOwnershipPercentage93.893.8

xom:BarzanGasCompanyLimited, xom:Upstream


Equity
Period End2020-12-312019-12-312018-12-312017-12-31
Value7.00.070.070.07
Percentage of EquityMethodInvestmentOwnershipPercentage14.614.614.614.6

xom:BebErdgasUndErdoelGmbh, xom:Upstream


Equity
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value50.00.50.50.50.50.50.50.50.50.5
Percentage of EquityMethodInvestmentOwnershipPercentage104.2104.2104.2104.2104.2104.2104.2104.2104.2104.2

xom:CameroonOilTransportationCompanySa, xom:Upstream


Equity
Period End2020-12-312019-12-31
Value41.00.41
Percentage of EquityMethodInvestmentOwnershipPercentage85.485.4

xom:CaspianPipelineConsortiumKazakhstan, xom:Upstream


Equity
Period End2020-12-312019-12-312018-12-31
Value8.00.080.08
Percentage of EquityMethodInvestmentOwnershipPercentage16.716.716.7

xom:CoralFlngSa, xom:Upstream


Equity
Period End2020-12-312019-12-31
Value25.00.25
Percentage of EquityMethodInvestmentOwnershipPercentage52.152.1

xom:CrossTimbersEnergyLlc, xom:Upstream


Equity
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value50.00.50.50.50.50.50.50.50.5
Percentage of EquityMethodInvestmentOwnershipPercentage104.2104.2104.2104.2104.2104.2104.2104.2104.2

xom:FujianRefiningPetrochemicalCoLtd, xom:Downstream


Equity
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value25.00.250.250.250.250.250.250.250.250.25
Percentage of EquityMethodInvestmentOwnershipPercentage52.152.152.152.152.152.152.152.152.152.1

xom:GoldenPassLngTerminalLlc, xom:Upstream


Equity
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value30.00.30.180.180.180.180.180.180.180.18
Percentage of EquityMethodInvestmentOwnershipPercentage62.562.537.537.537.537.537.537.537.537.5

xom:GoldenPassPipelineLlc, xom:Upstream


Equity
Period End2020-12-312019-12-31
Value30.00.3
Percentage of EquityMethodInvestmentOwnershipPercentage62.562.5

xom:GulfCoastGrowthVenturesLlc, xom:Chemical


Equity
Period End2020-12-312019-12-31
Value50.00.5
Percentage of EquityMethodInvestmentOwnershipPercentage104.2104.2

xom:MarineWellContainmentCompanyLlc, xom:Upstream


Equity
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value10.00.10.10.10.10.10.1
Percentage of EquityMethodInvestmentOwnershipPercentage20.820.820.820.820.820.820.8

xom:MozambiqueRovumaVentureSpa, xom:Upstream


Equity
Period End2020-12-312019-12-31
Value36.00.36
Percentage of EquityMethodInvestmentOwnershipPercentage75.075.0

xom:NederlandseAardolieMaatschappijBV, xom:Upstream


Equity
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value50.00.50.50.50.50.50.50.50.50.5
Percentage of EquityMethodInvestmentOwnershipPercentage104.2104.2104.2104.2104.2104.2104.2104.2104.2104.2

xom:PapuaNewGuineaLiquefiedNaturalGasGlobalCompanyLdc, xom:Upstream


Equity
Period End2020-12-312019-12-31
Value33.00.33
Percentage of EquityMethodInvestmentOwnershipPercentage68.868.8

xom:PermianExpressPartnersLlc, xom:Downstream


Equity
Period End2020-12-312019-12-31
Value12.00.12
Percentage of EquityMethodInvestmentOwnershipPercentage25.025.0

xom:PermianHighwayPipelineLlc, xom:Upstream


Equity
Period End2020-12-312019-12-31
Value20.00.2
Percentage of EquityMethodInvestmentOwnershipPercentage41.741.7

xom:QatarLiquefiedGasCompanyLimited, xom:Upstream


Equity
Period End2020-12-312019-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value10.00.10.10.10.10.10.10.1
Percentage of EquityMethodInvestmentOwnershipPercentage20.820.820.820.820.820.820.820.8

xom:QatarLiquefiedGasCompanyLimited2, xom:Upstream


Equity
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value24.00.240.240.240.240.240.240.240.240.24
Percentage of EquityMethodInvestmentOwnershipPercentage50.050.050.050.050.050.050.050.050.050.0

xom:RasLaffanLiquefiedNaturalGasCompanyLimited, xom:Upstream


Equity
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value25.00.250.250.250.250.250.250.250.250.25
Percentage of EquityMethodInvestmentOwnershipPercentage52.152.152.152.152.152.152.152.152.152.1

xom:RasLaffanLiquefiedNaturalGasCompanyLimited3, xom:Upstream


Equity
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value30.00.30.30.30.30.30.30.30.30.3
Percentage of EquityMethodInvestmentOwnershipPercentage62.562.562.562.562.562.562.562.562.562.5

xom:RasLaffanLiquefiedNaturalGasCompanyLimitedIi, xom:Upstream


Equity
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value31.00.310.310.310.310.310.310.310.310.31
Percentage of EquityMethodInvestmentOwnershipPercentage64.664.664.664.664.664.664.664.664.664.6

xom:SaudiAramcoMobilRefineryCompanyLtd, xom:Downstream


Equity
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value50.00.50.50.50.50.50.50.50.50.5
Percentage of EquityMethodInvestmentOwnershipPercentage104.2104.2104.2104.2104.2104.2104.2104.2104.2104.2

xom:SaudiYanbuPetrochemicalCo, xom:Chemical


Equity
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value50.00.50.50.50.50.50.50.50.50.5
Percentage of EquityMethodInvestmentOwnershipPercentage104.2104.2104.2104.2104.2104.2104.2104.2104.2104.2

xom:SouthHookLngTerminalCompanyLimited, xom:Upstream


Equity
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value24.00.240.240.240.240.240.240.240.240.24
Percentage of EquityMethodInvestmentOwnershipPercentage50.050.050.050.050.050.050.050.050.050.0

xom:TengizchevroilLlp, xom:Upstream


Equity
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value25.00.250.250.250.250.250.250.250.250.25
Percentage of EquityMethodInvestmentOwnershipPercentage52.152.152.152.152.152.152.152.152.152.1

xom:TerminaleGnlAdriaticoSRL, xom:Upstream


Equity
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value71.00.710.710.710.710.710.710.710.710.71
Percentage of EquityMethodInvestmentOwnershipPercentage147.9147.9147.9147.9147.9147.9147.9147.9147.9147.9

us-gaap:EquityMethodInvestmentSummarizedFinancialInformationAssets us-gaap:ConsolidatedEntities

us-gaap:EquityMethodInvestmentSummarizedFinancialInformationAssets

srt:ParentCompany


Equity
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value5342652662493644698143749
Percentage of EquityMethodInvestmentSummarizedFinancialInformationAssets100.0100.0100.0100.0100.0

xom:TotalEquityCompanyIncludingAllOwners


Equity
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value183777179356167500157588144058142563
Percentage of EquityMethodInvestmentSummarizedFinancialInformationAssets344.0340.6339.3335.4329.30.0

us-gaap:EquityMethodInvestmentSummarizedFinancialInformationCurrentAssets us-gaap:ConsolidatedEntities

us-gaap:EquityMethodInvestmentSummarizedFinancialInformationCurrentAssets

srt:ParentCompany


Equity
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value1196912661133941205011392
Percentage of EquityMethodInvestmentSummarizedFinancialInformationCurrentAssets100.0100.0100.0100.0100.0

xom:TotalEquityCompanyIncludingAllOwners


Equity
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value334193603538670353673441232879
Percentage of EquityMethodInvestmentSummarizedFinancialInformationCurrentAssets279.2284.6288.7293.5302.10.0

us-gaap:EquityMethodInvestmentSummarizedFinancialInformationCurrentLiabilities us-gaap:ConsolidatedEntities

us-gaap:EquityMethodInvestmentSummarizedFinancialInformationCurrentLiabilities

srt:ParentCompany


Equity
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value52456939760663485765
Percentage of EquityMethodInvestmentSummarizedFinancialInformationCurrentLiabilities100.0100.0100.0100.0100.0

xom:TotalEquityCompanyIncludingAllOwners


Equity
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value188272458327324217252050722947
Percentage of EquityMethodInvestmentSummarizedFinancialInformationCurrentLiabilities359.0354.3359.2342.2355.70.0

us-gaap:EquityMethodInvestmentSummarizedFinancialInformationNoncurrentAssets us-gaap:ConsolidatedEntities

us-gaap:EquityMethodInvestmentSummarizedFinancialInformationNoncurrentAssets

srt:ParentCompany


Equity
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value4145740001359703493132357
Percentage of EquityMethodInvestmentSummarizedFinancialInformationNoncurrentAssets100.0100.0100.0100.0100.0

xom:TotalEquityCompanyIncludingAllOwners


Equity
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value150358143321128830122221109646109684
Percentage of EquityMethodInvestmentSummarizedFinancialInformationNoncurrentAssets362.7358.3358.2349.9338.90.0

us-gaap:EquityMethodInvestmentSummarizedFinancialInformationNoncurrentLiabilities us-gaap:ConsolidatedEntities

us-gaap:EquityMethodInvestmentSummarizedFinancialInformationNoncurrentLiabilities

srt:ParentCompany


Equity
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value1992718158171091705617288
Percentage of EquityMethodInvestmentSummarizedFinancialInformationNoncurrentLiabilities100.0100.0100.0100.0100.0

xom:TotalEquityCompanyIncludingAllOwners


Equity
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value660536102256913597366211060388
Percentage of EquityMethodInvestmentSummarizedFinancialInformationNoncurrentLiabilities331.5336.1332.6350.2359.30.0

us-gaap:EquityMethodInvestments

us-gaap:EquityMethodInvestments


Equity
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value297722929126382243542081020337200171961918530169681742915742
Percentage of EquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EquityMethodInvestments us-gaap:ConsolidatedEntities

srt:ParentCompany


Equity
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value2825427565246492357720696
Percentage of EquityMethodInvestments94.994.193.496.899.5

xom:TotalEquityCompanyIncludingAllOwners


Equity
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value988979375183263761276144159228
Percentage of EquityMethodInvestments332.2320.1315.6312.6295.2291.2

us-gaap:EquityMethodInvestments us-gaap:StatementBusinessSegments

xom:Corporateandfinancingmember


Equity
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value-443.0-309.0-277.0-286.0-242.0-227.0-308.0-227.0-277.0-228.0
Percentage of EquityMethodInvestments-1.5-1.1-1.0-1.2-1.2-1.1-1.5-1.2-1.5-1.3

us-gaap:EquityMethodInvestments us-gaap:StatementGeographical, us-gaap:StatementBusinessSegments

country:US, xom:Chemical


Equity
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value25431835870341158
Percentage of EquityMethodInvestments8.56.33.31.40.8

country:US, xom:Downstream


Equity
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value352319293276111
Percentage of EquityMethodInvestments1.21.11.11.10.5

country:US, xom:Upstream


Equity
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value47925313456646804917
Percentage of EquityMethodInvestments16.118.117.319.223.6

us-gaap:NonUs, xom:Chemical


Equity
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value35143335343133873247
Percentage of EquityMethodInvestments11.811.413.013.915.6

us-gaap:NonUs, xom:Downstream


Equity
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value8791062116214621255
Percentage of EquityMethodInvestments3.03.64.46.06.0

us-gaap:NonUs, xom:Upstream


Equity
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value1813517736163371449411364
Percentage of EquityMethodInvestments60.960.661.959.554.6

us-gaap:ExcessOfReplacementOrCurrentCostsOverStatedLIFOValue

us-gaap:ExcessOfReplacementOrCurrentCostsOverStatedLIFOValue


Excess
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value5400970082001080081004500106002120021300256002130017100
Percentage of ExcessOfReplacementOrCurrentCostsOverStatedLIFOValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinanceLeaseLiability xom:LeaseType

us-gaap:FinanceLeaseLiability

xom:FinanceLease


Finance
Period End2020-12-312019-12-312019-09-302019-06-30
Value1921190816121643
Percentage of FinanceLeaseLiability100.0100.0100.0100.0

us-gaap:FinanceLeaseLiabilityCurrent us-gaap:BalanceSheetLocation, xom:LeaseType

us-gaap:FinanceLeaseLiabilityCurrent

us-gaap:AccountsPayableAndAccruedLiabilities, xom:FinanceLease


Finance
Period End2020-12-312019-12-31
Value4.015
Percentage of FinanceLeaseLiabilityCurrent100.0100.0

xom:DebtCurrent, xom:FinanceLease


Finance
Period End2020-12-312019-12-31
Value10284
Percentage of FinanceLeaseLiabilityCurrent2550.0560.0

us-gaap:FinanceLeaseLiabilityNoncurrent us-gaap:BalanceSheetLocation, xom:LeaseType

us-gaap:FinanceLeaseLiabilityNoncurrent

xom:DebtNoncurrent, xom:FinanceLease


Finance
Period End2020-12-312019-12-31
Value16801670
Percentage of FinanceLeaseLiabilityNoncurrent100.0100.0

xom:DueToRelatedPartiesNoncurrent, xom:FinanceLease


Finance
Period End2020-12-312019-12-31
Value135139
Percentage of FinanceLeaseLiabilityNoncurrent8.08.3

us-gaap:FinanceLeaseLiabilityPaymentsDue xom:LeaseType

us-gaap:FinanceLeaseLiabilityPaymentsDue

xom:FinanceLease


Finance
Period End2020-12-31
Value3810
Percentage of FinanceLeaseLiabilityPaymentsDue100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueAfterYearFive xom:LeaseType

us-gaap:FinanceLeaseLiabilityPaymentsDueAfterYearFive

xom:FinanceLease


Finance
Period End2020-12-31
Value2544
Percentage of FinanceLeaseLiabilityPaymentsDueAfterYearFive100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueNextTwelveMonths xom:LeaseType

us-gaap:FinanceLeaseLiabilityPaymentsDueNextTwelveMonths

xom:FinanceLease


Finance
Period End2020-12-31
Value268
Percentage of FinanceLeaseLiabilityPaymentsDueNextTwelveMonths100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFive xom:LeaseType

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFive

xom:FinanceLease


Finance
Period End2020-12-31
Value240
Percentage of FinanceLeaseLiabilityPaymentsDueYearFive100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFour xom:LeaseType

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFour

xom:FinanceLease


Finance
Period End2020-12-31
Value247
Percentage of FinanceLeaseLiabilityPaymentsDueYearFour100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueYearThree xom:LeaseType

us-gaap:FinanceLeaseLiabilityPaymentsDueYearThree

xom:FinanceLease


Finance
Period End2020-12-31
Value252
Percentage of FinanceLeaseLiabilityPaymentsDueYearThree100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueYearTwo xom:LeaseType

us-gaap:FinanceLeaseLiabilityPaymentsDueYearTwo

xom:FinanceLease


Finance
Period End2020-12-31
Value259
Percentage of FinanceLeaseLiabilityPaymentsDueYearTwo100.0

us-gaap:FinanceLeaseLiabilityUndiscountedExcessAmount xom:LeaseType

us-gaap:FinanceLeaseLiabilityUndiscountedExcessAmount

xom:FinanceLease


Finance
Period End2020-12-31
Value1889
Percentage of FinanceLeaseLiabilityUndiscountedExcessAmount100.0

us-gaap:FinanceLeaseRightOfUseAsset us-gaap:BalanceSheetLocation, xom:LeaseType

us-gaap:FinanceLeaseRightOfUseAsset

us-gaap:PropertyPlantAndEquipment, xom:FinanceLease


Finance
Period End2020-12-312019-12-31
Value21881997
Percentage of FinanceLeaseRightOfUseAsset100.0100.0

us-gaap:FinanceLeaseRightOfUseAsset xom:LeaseType

xom:FinanceLease


Finance
Period End2020-12-312019-12-31
Value21881997
Percentage of FinanceLeaseRightOfUseAsset100.0100.0

us-gaap:FinanceLeaseWeightedAverageDiscountRatePercent xom:LeaseType

us-gaap:FinanceLeaseWeightedAverageDiscountRatePercent

xom:FinanceLease


Finance
Period End2020-12-312019-12-31
Value8.99.7
Percentage of FinanceLeaseWeightedAverageDiscountRatePercent100.0100.0

us-gaap:FinancingReceivableAllowanceForCreditLosses us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType

us-gaap:FinancingReceivableAllowanceForCreditLosses

us-gaap:LoansAndFinanceReceivables


Financing
Period End2020-09-302020-06-302020-03-312019-12-31
Value499503501469
Percentage of FinancingReceivableAllowanceForCreditLosses100.0100.0100.0100.0

us-gaap:TradeAccountsReceivable


Financing
Period End2020-09-302020-06-302020-03-312019-12-31
Value85938834
Percentage of FinancingReceivableAllowanceForCreditLosses17.018.517.67.2

xom:AdvancesAndLongTermReceivables


Financing
Period End2020-12-312019-12-31
Value446413
Percentage of FinancingReceivableAllowanceForCreditLosses0.088.1

us-gaap:GuaranteeObligationsCurrentCarryingValue

us-gaap:GuaranteeObligationsCurrentCarryingValue


Guarantee
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value695568896799658463726458695562186253606058385578633268696073715872456814653667876961748672257333729070001044910982120031197910578114001157511966101999734980510714845677839618108958771
Percentage of GuaranteeObligationsCurrentCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GuaranteeObligationsCurrentCarryingValue us-gaap:GuaranteeObligationsByNature

xom:DebtRelatedGuarantees


Guarantee
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value115711401110108810179769318307246916085244664243681371381471481611421491331221241263547344233783233313230542845263424762280205418051611
Percentage of GuaranteeObligationsCurrentCarryingValue16.616.516.316.516.015.113.413.311.611.410.49.47.46.26.11.91.92.22.32.42.02.01.81.71.71.833.931.328.127.029.626.824.622.024.323.420.916.819.1

xom:OtherGuarantees


Guarantee
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value579857495689549653555482602453885529536952305054586664455705702171076667638866266819733770927211716668746902754086258746744683468730933277237454775189096845
Percentage of GuaranteeObligationsCurrentCarryingValue83.483.583.783.584.084.986.686.788.488.689.690.692.693.893.998.198.197.897.797.698.098.098.298.398.398.266.168.771.973.070.473.275.478.075.776.679.183.280.9

us-gaap:GuaranteeObligationsCurrentCarryingValue us-gaap:GuaranteeObligationsByNature, us-gaap:LossContingenciesByNatureOfContingency

xom:DebtRelatedGuarantees, xom:EquityCompanyObligations


Guarantee
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value102610149869689048688277376416125374614089698107108117118126104111988586883506339833283187308630022793258324232224199017411546
Percentage of GuaranteeObligationsCurrentCarryingValue14.814.714.514.714.213.411.911.910.310.19.28.36.41.41.61.51.51.71.81.91.51.51.41.21.21.333.630.927.726.629.226.324.121.623.822.820.316.218.3

xom:DebtRelatedGuarantees, xom:OtherThirdPartyObligations


Guarantee
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value131126124120113108104938379716358328270303030303538383537383841445046465252515356646465
Percentage of GuaranteeObligationsCurrentCarryingValue1.91.81.81.81.81.71.51.51.31.31.21.10.94.84.40.40.40.40.50.50.50.50.50.50.50.50.40.40.40.40.40.50.40.40.50.60.70.60.8

xom:OtherGuarantees, xom:EquityCompanyObligations


Guarantee
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value86583774569069284687380885510818501008118815581191275429762667241324182512276125392665301531412920326739254309293935724145465427293243377450593061
Percentage of GuaranteeObligationsCurrentCarryingValue12.412.111.010.510.913.112.613.013.717.814.618.118.822.719.638.541.139.136.935.636.136.935.136.341.444.927.929.732.736.027.831.335.838.926.833.338.547.236.2

xom:OtherGuarantees, xom:OtherThirdPartyObligations


Guarantee
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value493349124944480646634636515145804674428843804046467848874514426741314000397542084307457645534546415137333982427347004437450747744585467849944211397738503784
Percentage of GuaranteeObligationsCurrentCarryingValue70.971.372.773.073.271.874.173.774.770.875.072.573.971.174.359.657.058.760.862.061.961.163.062.056.953.338.138.939.237.042.641.939.639.149.043.340.635.944.7

us-gaap:GuaranteeObligationsCurrentCarryingValue us-gaap:LossContingenciesByNatureOfContingency

xom:EquityCompanyObligations


Guarantee
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value1891185117311658159617141700154514961693138714691596165412892861308427842531254426162872263727503101322964266665725374966025657469387237515254675764680046075047643371895290
Percentage of GuaranteeObligationsCurrentCarryingValue27.226.925.525.225.026.524.424.823.927.923.826.325.224.121.240.042.640.938.737.537.638.436.537.542.546.161.560.760.462.657.057.759.960.550.556.258.863.554.564.866.966.060.3

xom:OtherThirdPartyObligations


Guarantee
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value5064503850684926477647445255467347574367445141094736521547844297416140304005424343454614458845834189377140234317475044834553482646374729504742674041391438492736318537063481
Percentage of GuaranteeObligationsCurrentCarryingValue72.873.174.574.875.073.575.675.276.172.176.273.774.875.978.860.057.459.161.362.562.461.663.562.557.553.938.539.339.637.443.042.340.139.549.543.841.236.545.535.233.134.039.7

us-gaap:IncomeTaxExaminationInterestAccrued

us-gaap:IncomeTaxExaminationInterestAccrued


Income
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value6171169168191223205156385662636771
Percentage of IncomeTaxExaminationInterestAccrued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InventoryCrudeOilProductsAndMerchandise

us-gaap:InventoryCrudeOilProductsAndMerchandise


Inventory
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value513852815666430037004100
Percentage of InventoryCrudeOilProductsAndMerchandise100.0100.0100.0100.0100.0100.0

us-gaap:InventoryPartsAndComponentsNetOfReserves

us-gaap:InventoryPartsAndComponentsNetOfReserves


Inventory
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value45644617468147234629443445184459445643534155414441104169412142554170418742034361433243864208433543644310429443204233412940184038382437853706356534293406335933323286323631242835
Percentage of InventoryPartsAndComponentsNetOfReserves100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths xom:LeaseType

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths

xom:LeaseAgreementsDrillingRigsAndRelatedEquipment


Lessee
Period End2020-12-312019-12-312019-09-302019-06-302019-03-31
Value259234234211154
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths100.0100.0100.0100.0100.0

xom:LeaseAgreementsOther


Lessee
Period End2020-12-312019-12-312019-09-302019-06-302019-03-31
Value103111271026914622
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths398.1481.6438.5433.2403.9

xom:OperatingLease


Lessee
Period End2020-12-312019-12-312019-09-302019-06-302019-03-31
Value1290136112601125776
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths498.1581.6538.5533.2503.9

us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity

us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity


Line
Period End2020-09-302020-06-30
Value100007500
Percentage of LineOfCreditFacilityMaximumBorrowingCapacity100.0100.0

us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity us-gaap:CreditFacility

us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity

us-gaap:LineOfCredit


Line
Period End2020-12-312019-12-31
Value113007900
Percentage of LineOfCreditFacilityRemainingBorrowingCapacity100.0100.0

us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity us-gaap:LongtermDebtType

xom:LineOfCreditLongTerm


Line
Period End2021-06-302020-09-302020-06-302019-12-31
Value600200200200
Percentage of LineOfCreditFacilityRemainingBorrowingCapacity0.00.00.02.5

xom:LineOfCreditShortTerm


Line
Period End2021-06-302020-09-302020-06-30
Value107001100015400
Percentage of LineOfCreditFacilityRemainingBorrowingCapacity0.00.00.0

us-gaap:LongTermAccountsNotesAndLoansReceivableNetNoncurrent

us-gaap:LongTermAccountsNotesAndLoansReceivableNetNoncurrent


Long
Period End2020-12-312020-09-302019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value4788966851415590552046954524487861185792608170665677
Percentage of LongTermAccountsNotesAndLoansReceivableNetNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LongTermDebtAndCapitalLeaseObligationsCurrent

us-gaap:LongTermDebtAndCapitalLeaseObligationsCurrent


Long
Period End2020-12-312019-12-312018-12-312011-03-312010-12-31
Value2930170140701231612227
Percentage of LongTermDebtAndCapitalLeaseObligationsCurrent100.0100.0100.0100.0100.0

us-gaap:LongTermDebtFairValue us-gaap:ConsolidatedEntities

us-gaap:LongTermDebtFairValue

xom:ExxonMobilCorporation


Long
Period End2020-09-302020-06-30
Value2342123196
Percentage of LongTermDebtFairValue100.0100.0

us-gaap:LongTermDebtFairValue us-gaap:ConsolidatedEntities, us-gaap:StatementScenario, us-gaap:DebtInstrument

xom:ExxonMobilCorporation, xom:OtherForeignCurrencyObligations, xom:OnePointFourZeroEightNotesDue2039IssuedJune2020


Long
Period End2020-09-30
Value1171
Percentage of LongTermDebtFairValue5.0

xom:ExxonMobilCorporation, xom:OtherForeignCurrencyObligations, xom:ZeroPointEightThreeFiveNotesDue2032IssuedJune2020


Long
Period End2020-09-30
Value1171
Percentage of LongTermDebtFairValue5.0

xom:ExxonMobilCorporation, xom:OtherForeignCurrencyObligations, xom:ZeroPointFiveTwoFourNotesDue2028IssuedJune2020


Long
Period End2020-09-30
Value1171
Percentage of LongTermDebtFairValue5.0

xom:ExxonMobilCorporation, xom:OtherForeignCurrencyObligations, xom:ZeroPointOneFourTwoNotesDue2024IssuedJune2020


Long
Period End2020-09-30
Value1756
Percentage of LongTermDebtFairValue7.5

xom:ExxonMobilCorporation, xom:OtherUsDollarObligations, xom:FourPointThreeTwoSevenNotesDue2050IssuedMarch2020


Long
Period End2020-09-30
Value2750
Percentage of LongTermDebtFairValue11.7

xom:ExxonMobilCorporation, xom:OtherUsDollarObligations, xom:FourPointTwoTwoSevenNotesDue2040IssuedApril2020


Long
Period End2020-09-30
Value842
Percentage of LongTermDebtFairValue3.6

xom:ExxonMobilCorporation, xom:OtherUsDollarObligations, xom:FourPointTwoTwoSevenNotesDue2040IssuedMarch2020


Long
Period End2020-09-30
Value1250
Percentage of LongTermDebtFairValue5.3

xom:ExxonMobilCorporation, xom:OtherUsDollarObligations, xom:OnePointFiveSevenOneNotesDue2023IssuedApril2020


Long
Period End2020-09-30
Value2750
Percentage of LongTermDebtFairValue11.7

xom:ExxonMobilCorporation, xom:OtherUsDollarObligations, xom:ThreePointFourEightTwoNotesDue2030IssuedMarch2020


Long
Period End2020-09-30
Value2000
Percentage of LongTermDebtFairValue8.5

xom:ExxonMobilCorporation, xom:OtherUsDollarObligations, xom:ThreePointFourFiveTwoNotesDue2051IssuedApril2020


Long
Period End2020-09-30
Value2750
Percentage of LongTermDebtFairValue11.7

xom:ExxonMobilCorporation, xom:OtherUsDollarObligations, xom:ThreePointTwoNineFourNotesDue2027IssuedMarch2020


Long
Period End2020-09-30
Value1000
Percentage of LongTermDebtFairValue4.3

xom:ExxonMobilCorporation, xom:OtherUsDollarObligations, xom:TwoPointNineNineTwoNotesDue2025IssuedApril2020


Long
Period End2020-09-30
Value1310
Percentage of LongTermDebtFairValue5.6

xom:ExxonMobilCorporation, xom:OtherUsDollarObligations, xom:TwoPointNineNineTwoNotesDue2025IssuedMarch2020


Long
Period End2020-09-30
Value1500
Percentage of LongTermDebtFairValue6.4

xom:ExxonMobilCorporation, xom:OtherUsDollarObligations, xom:TwoPointSixOneZeroNotesDue2030IssuedApril2020


Long
Period End2020-09-30
Value2000
Percentage of LongTermDebtFairValue8.5

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive


Long
Period End2020-12-31
Value4672
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour


Long
Period End2020-12-31
Value3968
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree


Long
Period End2020-12-31
Value4024
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo


Long
Period End2020-12-31
Value3340
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo100.0

us-gaap:LongTermInvestmentsAndReceivablesNet

us-gaap:LongTermInvestmentsAndReceivablesNet


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value4477444181435154360943192429814316442920425334206840790404273969140350391603764937719382683510235553341823491534245343153416234471352393501235110371693632837048356433564134718351053392134527343333534235241352073533831665
Percentage of LongTermInvestmentsAndReceivablesNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NotesAndLoansReceivableNetCurrent

us-gaap:NotesAndLoansReceivableNetCurrent


Notes
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value424258665063432353616632946871596614859868455459
Percentage of NotesAndLoansReceivableNetCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NotesReceivableNet us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType

us-gaap:NotesReceivableNet

xom:AdvancesAndLongTermReceivables


Notes
Period End2020-12-31
Value9447
Percentage of NotesReceivableNet100.0

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent xom:LeaseType

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent

xom:LeaseAgreementsDrillingRigsAndRelatedEquipment


Operating
Period End2020-12-312019-12-312019-09-302019-06-302019-03-31
Value2.20.0310.030.030.03
Percentage of OperatingLeaseWeightedAverageDiscountRatePercent100.0100.0100.0100.0100.0

xom:LeaseAgreementsOther


Operating
Period End2020-12-312019-12-312019-09-302019-06-302019-03-31
Value3.00.0320.0320.0320.032
Percentage of OperatingLeaseWeightedAverageDiscountRatePercent136.4103.2106.7106.7106.7

xom:OperatingLease


Operating
Period End2020-12-312019-12-312019-09-302019-06-302019-03-31
Value2.90.0320.0320.0320.031
Percentage of OperatingLeaseWeightedAverageDiscountRatePercent131.8103.2106.7106.7103.3

us-gaap:OtherAssetsFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:OtherAssetsFairValueDisclosure

us-gaap:FairValueInputsLevel1


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value110411571235119711571141114510781000914848764759742
Percentage of OtherAssetsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueInputsLevel3


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value130310469449158899759747618108069741041990976
Percentage of OtherAssetsFairValueDisclosure118.090.476.476.476.885.585.170.681.088.2114.9136.3130.4131.5

us-gaap:OtherAssetsFairValueDisclosure us-gaap:FairValueByMeasurementBasis

us-gaap:CarryingReportedAmountFairValueDisclosure


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value25972323230422422183216721631917189618131934174816981695
Percentage of OtherAssetsFairValueDisclosure235.2200.8186.6187.3188.7189.9188.9177.8189.6198.4228.1228.8223.7228.4

us-gaap:FairValueDisclosureItemAmountsDomain


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value24072203217921122046211621191839181017201822
Percentage of OtherAssetsFairValueDisclosure218.0190.4176.4176.4176.8185.5185.1170.6181.0188.2214.9

us-gaap:OtherAssetsFairValueDisclosure us-gaap:StatementScenario

xom:DifferenceInCarryingValueAndFairValue


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value1901201251301375144788693112
Percentage of OtherAssetsFairValueDisclosure17.210.410.110.911.84.53.87.28.610.213.2

us-gaap:OtherLongTermDebtNoncurrent us-gaap:ConsolidatedEntities, us-gaap:LongtermDebtType

us-gaap:OtherLongTermDebtNoncurrent

xom:CombinedExxonMobilAndAffiliates, xom:OtherForeignCurrencyObligations


Other
Period End2020-12-312019-12-31
Value6164
Percentage of OtherLongTermDebtNoncurrent100.0100.0

xom:CombinedExxonMobilAndAffiliates, xom:OtherUsDollarObligations


Other
Period End2020-12-312019-12-31
Value7889
Percentage of OtherLongTermDebtNoncurrent127.9139.1

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities us-gaap:RetirementPlanSponsorLocation

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities

country:US


Pension
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value377242243276409
Percentage of PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities100.0100.0100.0100.0100.0

us-gaap:ForeignPlan


Pension
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value273267314338294
Percentage of PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities72.4110.3129.2122.571.9

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Pension
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value327351362360361
Percentage of PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities86.7145.0149.0130.488.3

us-gaap:PrescriptionDrugSubsidyReceiptsAfterYearFive us-gaap:RetirementPlanSponsorLocation

us-gaap:PrescriptionDrugSubsidyReceiptsAfterYearFive

xom:OtherPostretirementBenefitsMedicareSubsidyReceipt


Prescription
Period End2020-12-31
Value143
Percentage of PrescriptionDrugSubsidyReceiptsAfterYearFive100.0

us-gaap:PrescriptionDrugSubsidyReceiptsNextTwelveMonths us-gaap:RetirementPlanSponsorLocation

us-gaap:PrescriptionDrugSubsidyReceiptsNextTwelveMonths

xom:OtherPostretirementBenefitsMedicareSubsidyReceipt


Prescription
Period End2020-12-31
Value22
Percentage of PrescriptionDrugSubsidyReceiptsNextTwelveMonths100.0

us-gaap:PrescriptionDrugSubsidyReceiptsYearFive1 us-gaap:RetirementPlanSponsorLocation

us-gaap:PrescriptionDrugSubsidyReceiptsYearFive1

xom:OtherPostretirementBenefitsMedicareSubsidyReceipt


Prescription
Period End2020-12-31
Value27
Percentage of PrescriptionDrugSubsidyReceiptsYearFive1100.0

us-gaap:PrescriptionDrugSubsidyReceiptsYearFour1 us-gaap:RetirementPlanSponsorLocation

us-gaap:PrescriptionDrugSubsidyReceiptsYearFour1

xom:OtherPostretirementBenefitsMedicareSubsidyReceipt


Prescription
Period End2020-12-31
Value26
Percentage of PrescriptionDrugSubsidyReceiptsYearFour1100.0

us-gaap:PrescriptionDrugSubsidyReceiptsYearThree1 us-gaap:RetirementPlanSponsorLocation

us-gaap:PrescriptionDrugSubsidyReceiptsYearThree1

xom:OtherPostretirementBenefitsMedicareSubsidyReceipt


Prescription
Period End2020-12-31
Value25
Percentage of PrescriptionDrugSubsidyReceiptsYearThree1100.0

us-gaap:PrescriptionDrugSubsidyReceiptsYearTwo1 us-gaap:RetirementPlanSponsorLocation

us-gaap:PrescriptionDrugSubsidyReceiptsYearTwo1

xom:OtherPostretirementBenefitsMedicareSubsidyReceipt


Prescription
Period End2020-12-31
Value23
Percentage of PrescriptionDrugSubsidyReceiptsYearTwo1100.0

us-gaap:ProjectsThatHaveExploratoryWellCostsThatHaveBeenCapitalizedForPeriodGreaterThanOneYear

us-gaap:ProjectsThatHaveExploratoryWellCostsThatHaveBeenCapitalizedForPeriodGreaterThanOneYear


Projects
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value34.046.052.046.058.055.053.0
Percentage of ProjectsThatHaveExploratoryWellCostsThatHaveBeenCapitalizedForPeriodGreaterThanOneYear100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestructuringAndRelatedCostExpectedCost1 us-gaap:Range

us-gaap:RestructuringAndRelatedCostExpectedCost1

srt:Maximum


Restructuring
Period End2021-06-302021-03-312020-12-31
Value100200200
Percentage of RestructuringAndRelatedCostExpectedCost1100.0100.0100.0

us-gaap:RestructuringReserve

us-gaap:RestructuringReserve


Restructuring
Period End2021-06-302021-03-312020-12-31
Value228312403
Percentage of RestructuringReserve100.0100.0100.0

us-gaap:SeniorLongTermNotes us-gaap:ConsolidatedEntities, us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:SeniorLongTermNotes

xom:ExxonMobilCorporation, xom:FourPointThreeTwoSevenNotesDue2050, xom:OtherUsDollarObligations


Senior
Period End2020-12-31
Value2750
Percentage of SeniorLongTermNotes100.0

xom:ExxonMobilCorporation, xom:FourPointTwoTwoSevenNotesDue2040, xom:OtherUsDollarObligations


Senior
Period End2020-12-31
Value2091
Percentage of SeniorLongTermNotes76.0

xom:ExxonMobilCorporation, xom:OnePointFiveSevenOneNotesDue2023, xom:OtherUsDollarObligations


Senior
Period End2020-12-31
Value2750
Percentage of SeniorLongTermNotes100.0

xom:ExxonMobilCorporation, xom:ThreePointFourEightTwoNotesDue2030, xom:OtherUsDollarObligations


Senior
Period End2020-12-31
Value2000
Percentage of SeniorLongTermNotes72.7

xom:ExxonMobilCorporation, xom:ThreePointFourFiveTwoNotesDue2051, xom:OtherUsDollarObligations


Senior
Period End2020-12-31
Value2750
Percentage of SeniorLongTermNotes100.0

xom:ExxonMobilCorporation, xom:ThreePointTwoNineFourNotesDue2027, xom:OtherUsDollarObligations


Senior
Period End2020-12-31
Value1000
Percentage of SeniorLongTermNotes36.4

xom:ExxonMobilCorporation, xom:TwoPointNineNineTwoNotesDue2025, xom:OtherUsDollarObligations


Senior
Period End2020-12-31
Value2807
Percentage of SeniorLongTermNotes102.1

xom:ExxonMobilCorporation, xom:TwoPointSixOneZeroNotesDue2030, xom:OtherUsDollarObligations


Senior
Period End2020-12-31
Value2000
Percentage of SeniorLongTermNotes72.7

xom:ExxonMobilCorporationEuroDenominated, xom:OnePointFourZeroEightNotesDue2021, xom:OtherForeignCurrencyObligations


Senior
Period End2020-12-31
Value1227
Percentage of SeniorLongTermNotes44.6

xom:ExxonMobilCorporationEuroDenominated, xom:ZeroPointEightThreeFiveNotesDue2032, xom:OtherForeignCurrencyObligations


Senior
Period End2020-12-31
Value1227
Percentage of SeniorLongTermNotes44.6

xom:ExxonMobilCorporationEuroDenominated, xom:ZeroPointFiveTwoFourNotesDue2028, xom:OtherForeignCurrencyObligations


Senior
Period End2020-12-31
Value1227
Percentage of SeniorLongTermNotes44.6

xom:ExxonMobilCorporationEuroDenominated, xom:ZeroPointOneFourTwoNotesDue2024, xom:OtherForeignCurrencyObligations


Senior
Period End2020-12-31
Value1841
Percentage of SeniorLongTermNotes66.9

xom:XtoEnergyInc, xom:SixPointOnePercentSeniorNotesDue2036, us-gaap:SeniorNotes


Senior
Period End2020-12-312019-12-31
Value192193
Percentage of SeniorLongTermNotes7.00.0

xom:XtoEnergyInc, xom:SixPointSevenFivePercentSeniorNotesDue2037, us-gaap:SeniorNotes


Senior
Period End2020-12-312019-12-31
Value294296
Percentage of SeniorLongTermNotes10.70.0

xom:XtoEnergyInc, xom:SixPointThreeSevenFivePercentSeniorNoteDue2038, us-gaap:SeniorNotes


Senior
Period End2020-12-312019-12-31
Value227229
Percentage of SeniorLongTermNotes8.30.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value80.4384.586.5686.3484.4384.8581.4578.29
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized


Share
Period End2020-12-31
Value220
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized100.0

us-gaap:ShortTermBankLoansAndNotesPayable

us-gaap:ShortTermBankLoansAndNotesPayable


Short
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value22231632511514323147372266312375321043
Percentage of ShortTermBankLoansAndNotesPayable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShortTermDebtWeightedAverageInterestRate

us-gaap:ShortTermDebtWeightedAverageInterestRate


Short
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value0.20.0170.0240.0130.0060.0040.0030.0040.0170.0190.0120.036
Percentage of ShortTermDebtWeightedAverageInterestRate100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TreasuryStockShares

us-gaap:TreasuryStockShares


Treasury
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302