$XOM
EXXON MOBIL CORP Stock $xom

$xom Overview Financials Valuation SEC Filings Company Website

2018 Q4 Form 10-K Financial Statement

#000003408819000010 Filed on February 27, 2019

Income Statement

Concept	2018 Q4	2017 Q4	2016 Q4
Revenue	$68.25B	$50.83B	$40.40B
YoY Change	34.27%	25.83%	6.15%
Cost Of Revenue	$46.96B	$28.98B	$21.19B
YoY Change	62.04%	36.74%	9.15%
Gross Profit	$21.30B	$21.85B	$19.20B
YoY Change	-2.55%	13.8%	3.02%
Gross Profit Margin	31.2%	42.99%	47.54%
Selling, General & Admin	$10.69B	$13.31B	$12.57B
YoY Change	-19.7%	5.84%	-1.73%
% of Gross Profit	50.18%	60.9%	65.48%
Research & Development	$555.0M	$703.0M	$340.0M
YoY Change	-21.05%	106.76%	-34.36%
% of Gross Profit	2.61%	3.22%	1.77%
Depreciation & Amortization	$5.028B	$5.842B	$8.117B
YoY Change	-13.93%	-28.03%	70.7%
% of Gross Profit	23.61%	26.73%	42.27%
Operating Expenses	$16.60B	$19.85B	$21.03B
YoY Change	-16.38%	-5.6%	16.4%
Operating Profit	$4.694B	$2.000B	-$1.828B
YoY Change	134.7%	-209.41%	-419.58%
Interest Expense	$1.541B	$487.0M	$1.133B
YoY Change	216.43%	-57.02%	-22.34%
% of Operating Profit	32.83%	24.35%
Other Income/Expense, Net	$1.886B	$530.0M	$1.312B
YoY Change	255.85%	-59.6%	119.77%
Pretax Income	$8.121B	$3.017B	$617.0M
YoY Change	169.17%	388.98%	-76.52%
Income Tax	$1.936B	$550.0M	-$1.407B
% Of Pretax Income	23.84%	18.23%	-228.04%
Net Earnings	$6.000B	$8.380B	$1.680B
YoY Change	-28.4%	398.81%	-39.57%
Net Earnings / Revenue	8.79%	16.49%	4.16%
Basic Earnings Per Share
Diluted Earnings Per Share	$1.406M	$1.963M	$402.5K
COMMON SHARES
Basic Shares Outstanding
Diluted Shares Outstanding

Balance Sheet

Concept	2018 Q4	2017 Q4	2016 Q4
SHORT-TERM ASSETS
Cash & Short-Term Investments	$3.042B	$3.177B	$3.657B
YoY Change	-4.25%	-13.13%	-1.3%
Cash & Equivalents	$3.042B	$3.177B	$3.657B
Short-Term Investments
Other Short-Term Assets	$1.272B	$1.368B	$1.285B
YoY Change	-7.02%	6.46%	-54.07%
Inventory	$18.96B	$16.99B	$15.08B
Prepaid Expenses
Receivables	$19.64B	$21.27B	$16.03B
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$47.97B	$47.13B	$41.42B
YoY Change	1.78%	13.81%	-2.83%
LONG-TERM ASSETS
Property, Plant & Equipment	$247.1B	$252.6B	$244.2B
YoY Change	-2.19%	3.44%	-2.93%
Goodwill
YoY Change
Intangibles
YoY Change
Long-Term Investments	$26.38B	$24.35B	$20.81B
YoY Change	8.33%	17.03%	2.33%
Other Assets	$10.33B	$9.767B	$9.572B
YoY Change	5.78%	2.04%	15.53%
Total Long-Term Assets	$298.2B	$301.6B	$288.9B
YoY Change	-1.11%	4.38%	-1.78%
TOTAL ASSETS
Total Short-Term Assets	$47.97B	$47.13B	$41.42B
Total Long-Term Assets	$298.2B	$301.6B	$288.9B
Total Assets	$346.2B	$348.7B	$330.3B
YoY Change	-0.72%	5.56%	-1.91%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$37.27B	$36.80B	$31.19B
YoY Change	1.28%	17.96%	-3.76%
Accrued Expenses
YoY Change
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due	$4.070B	$4.766B	$2.960B
YoY Change	-14.6%	61.01%	430.47%
Total Short-Term Liabilities	$57.14B	$57.77B	$47.64B
YoY Change	-1.1%	21.27%	-11.74%
LONG-TERM LIABILITIES
Long-Term Debt	$20.54B	$23.10B	$27.70B
YoY Change	-11.09%	-16.61%	48.13%
Other Long-Term Liabilities	$18.09B	$19.22B	$20.07B
YoY Change	-5.83%	-4.26%	-5.18%
Total Long-Term Liabilities	$18.09B	$42.32B	$47.77B
YoY Change	-57.24%	-11.42%	19.83%
TOTAL LIABILITIES
Total Short-Term Liabilities	$57.14B	$57.77B	$47.64B
Total Long-Term Liabilities	$18.09B	$42.32B	$47.77B
Total Liabilities	$147.7B	$154.2B	$156.5B
YoY Change	-4.23%	-1.47%	-2.17%
SHAREHOLDERS EQUITY
Retained Earnings	$421.7B	$414.5B	$407.8B
YoY Change	1.72%	1.65%	-1.12%
Common Stock	$15.26B	$14.66B	$12.16B
YoY Change	4.11%	20.56%	4.69%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$225.6B	$225.2B	$230.4B
YoY Change	0.14%	-2.25%	0.3%
Treasury Stock Shares	3.782B shares	3.780B shares	3.871B shares
Shareholders Equity	$191.8B	$187.7B	$167.3B
YoY Change
Total Liabilities & Shareholders Equity	$346.2B	$348.7B	$330.3B
YoY Change	-0.72%	5.56%	-1.91%

Cashflow Statement

Concept	2018 Q4	2017 Q4	2016 Q4
OPERATING ACTIVITIES
Net Income	$6.000B	$8.380B	$1.680B
YoY Change	-28.4%	398.81%	-39.57%
Depreciation, Depletion And Amortization	$5.028B	$5.842B	$8.117B
YoY Change	-13.93%	-28.03%	70.7%
Cash From Operating Activities	$8.607B	$7.411B	$7.396B
YoY Change	16.14%	0.2%	68.86%
INVESTING ACTIVITIES
Capital Expenditures	-$6.094B	-$4.501B	-$3.887B
YoY Change	35.39%	15.8%	-36.65%
Acquisitions
YoY Change
Other Investing Activities	$510.0M	-$2.035B	$2.215B
YoY Change	-125.06%	-191.87%	172.78%
Cash From Investing Activities	-$5.584B	-$6.536B	-$1.672B
YoY Change	-14.57%	290.91%	-68.6%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-5.501B	-1.837B	-6.746B
YoY Change	199.46%	-72.77%	-1733.41%
NET CHANGE
Cash From Operating Activities	8.607B	7.411B	7.396B
Cash From Investing Activities	-5.584B	-6.536B	-1.672B
Cash From Financing Activities	-5.501B	-1.837B	-6.746B
Net Change In Cash	-2.478B	-962.0M	-1.022B
YoY Change	157.59%	-5.87%	92.47%
FREE CASH FLOW
Cash From Operating Activities	$8.607B	$7.411B	$7.396B
Capital Expenditures	-$6.094B	-$4.501B	-$3.887B
Free Cash Flow	$14.70B	$11.91B	$11.28B
YoY Change	23.41%	5.57%	7.29%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
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CY2016	us-gaap	Payments Of Dividends Minority Interest PaymentsOfDividendsMinorityInterest	162000000	USD
CY2017Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	19215000000	USD
CY2018Q4	us-gaap	Accounts Payable Other Current AccountsPayableOtherCurrent	6062000000	USD
CY2016	xom	Share Based Compensation Arrangements By Share Based Payment Units Settled In Cash ShareBasedCompensationArrangementsByShareBasedPaymentUnitsSettledInCash	69000000	USD
CY2017Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	3780000000	shares
CY2018Q4	us-gaap	Short Term Bank Loans And Notes Payable ShortTermBankLoansAndNotesPayable	325000000	USD
CY2018	xom	Other Comprehensive Income Loss Charge Credit To Investment In Equity Companies OtherComprehensiveIncomeLossChargeCreditToInvestmentInEquityCompanies	-24000000	USD
CY2017Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	224555000000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	375000000	USD
CY2017	us-gaap	Increase Decrease In Accounts And Notes Receivable IncreaseDecreaseInAccountsAndNotesReceivable	3954000000	USD
CY2018Q4	xom	Total Number Of Projects TotalNumberOfProjects	58	Projects
CY2018Q4	us-gaap	Short Term Debt Weighted Average Interest Rate ShortTermDebtWeightedAverageInterestRate	0.024	pure
CY2017	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	219000000	USD
CY2018	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	1993000000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	5200000000	USD
CY2018Q4	us-gaap	Minority Interest MinorityInterest	6734000000	USD
CY2017Q4	xom	Other Capitalized Exploratory Well Costs OtherCapitalizedExploratoryWellCosts	19000000	USD
CY2016	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	535000000	USD
CY2017Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	348691000000	USD
CY2018	xom	Amortization Of Stock Based Awards AmortizationOfStockBasedAwards	758000000	USD
CY2017Q4	us-gaap	Inventory Parts And Components Net Of Reserves InventoryPartsAndComponentsNetOfReserves	4121000000	USD
CY2016	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	1682000000	USD
CY2016	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	29000000	USD
CY2016	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	-247000000	USD
CY2018	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	-193000000	USD
CY2018Q4	us-gaap	Income Tax Examination Interest Accrued IncomeTaxExaminationInterestAccrued	169000000	USD
CY2018	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	2321000000	USD
CY2018	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	4626000000	USD
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CY2017	us-gaap	Income Tax Reconciliation Equity In Earnings Losses Of Unconsolidated Subsidiary IncomeTaxReconciliationEquityInEarningsLossesOfUnconsolidatedSubsidiary	1883000000	USD
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CY2017	us-gaap	Interest Expense Other InterestExpenseOther	136000000	USD
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CY2016	xom	Amortization Of Stock Based Awards AmortizationOfStockBasedAwards	796000000	USD
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CY2016	us-gaap	Capitalized Exploratory Well Cost Additions Pending Determination Of Proved Reserves CapitalizedExploratoryWellCostAdditionsPendingDeterminationOfProvedReserves	180000000	USD
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CY2018	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	19574000000	USD
CY2017Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2017	us-gaap	Asset Retirement Obligation Foreign Currency Translation Gain Loss AssetRetirementObligationForeignCurrencyTranslationGainLoss	611000000	USD
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CY2016	xom	Other Comprehensive Income Loss Charge Credit To Investment In Equity Companies OtherComprehensiveIncomeLossChargeCreditToInvestmentInEquityCompanies	16000000	USD
CY2018	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.37	pure
CY2017	us-gaap	Income Tax Reconciliation Deductions IncomeTaxReconciliationDeductions	708000000	USD
CY2016	us-gaap	Adjustments To Additional Paid In Capital Tax Effect From Share Based Compensation AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation	30000000	USD
CY2017	xom	Other Comprehensive Income Loss Charge Credit To Investment In Equity Companies OtherComprehensiveIncomeLossChargeCreditToInvestmentInEquityCompanies	43000000	USD
CY2017	xom	Total Other Taxes And Duties TotalOtherTaxesAndDuties	32459000000	USD
CY2016Q4	us-gaap	Assets Assets	330314000000	USD
CY2016	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-48000000	USD
CY2016	xom	Taxes Included In Selling General And Administrative Expenses TaxesIncludedInSellingGeneralAndAdministrativeExpenses	495000000	USD
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CY2017Q4	us-gaap	Cost Method Investments CostMethodInvestments	174000000	USD
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CY2017Q4	us-gaap	Liabilities Liabilities	154191000000	USD
CY2016	xom	Share Of Equity Company Income Taxes ShareOfEquityCompanyIncomeTaxes	1692000000	USD
CY2016	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	1058000000	USD
CY2016	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	3091000000	USD
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CY2018Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	20052000000	USD
CY2018	xom	Crude Oil And Product Purchases CrudeOilAndProductPurchases	156172000000	USD
CY2017	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	522000000	USD
CY2017Q4	us-gaap	Short Term Bank Loans And Notes Payable ShortTermBankLoansAndNotesPayable	115000000	USD
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CY2018Q4	us-gaap	Accrual For Taxes Other Than Income Taxes Current AccrualForTaxesOtherThanIncomeTaxesCurrent	3280000000	USD
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CY2016	xom	Total Income Sales Based And Other Taxes TotalIncomeSalesBasedAndOtherTaxes	30969000000	USD
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CY2017Q4	us-gaap	Commercial Paper CommercialPaper	13049000000	USD
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CY2016	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	2789000000	USD
CY2017	us-gaap	Income Tax Examination Interest Expense IncomeTaxExaminationInterestExpense	36000000	USD
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod	9347000	shares
CY2016	us-gaap	Income Tax Reconciliation Deductions IncomeTaxReconciliationDeductions	198000000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	6532000000	USD
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CY2018	us-gaap	Property Plant And Equipment Additions PropertyPlantAndEquipmentAdditions	20051000000	USD
CY2016	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	214000000	USD
CY2018Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	18094000000	USD
CY2018	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	61000000	USD
CY2018	dei	Trading Symbol TradingSymbol	XOM
CY2018	us-gaap	Capitalized Exploratory Well Cost Charged To Expense1 CapitalizedExploratoryWellCostChargedToExpense1	7000000	USD
CY2016	us-gaap	Defined Benefit Plan Amounts Recognized In Other Comprehensive Income Loss Net Gain Loss Before Tax DefinedBenefitPlanAmountsRecognizedInOtherComprehensiveIncomeLossNetGainLossBeforeTax	2287000000	USD
CY2016	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	12066000000	USD
CY2018Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2017	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	1063000000	USD
CY2016	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	7000000	USD
CY2018Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	1639000000	USD
CY2017Q4	xom	Advances To Equity Method Companies AdvancesToEquityMethodCompanies	9112000000	USD
CY2018	xom	Other Comprehensive Income Postretirement Benefits Recognized In Net Periodic Pension Cost Net Of Tax OtherComprehensiveIncomePostretirementBenefitsRecognizedInNetPeriodicPensionCostNetOfTax	931000000	USD
CY2018	us-gaap	Capitalized Exploratory Well Cost Additions Pending Determination Of Proved Reserves CapitalizedExploratoryWellCostAdditionsPendingDeterminationOfProvedReserves	564000000	USD
CY2015Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	3705000000	USD
CY2018	xom	Total Federal And Non Us Tax Expense Benefit TotalFederalAndNonUsTaxExpenseBenefit	9406000000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	-438000000	USD
CY2017Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	42184000000	USD
CY2016	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	12453000000	USD
CY2016	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	708000000	USD
CY2018Q4	xom	Deferred Tax Asset Included In Other Assets Including Intangibles Net DeferredTaxAssetIncludedInOtherAssetsIncludingIntangiblesNet	3209000000	USD
CY2018	us-gaap	Income Tax Examination Interest Expense IncomeTaxExaminationInterestExpense	3000000	USD
CY2017	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-15130000000	USD
CY2017	xom	Taxes Included In Production And Manufacturing Expenses TaxesIncludedInProductionAndManufacturingExpenses	1854000000	USD
CY2017Q4	us-gaap	Asset Retirement Obligations Noncurrent AssetRetirementObligationsNoncurrent	11928000000	USD
CY2018Q4	xom	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Authorized Remaining ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorizedRemaining	82000000	shares
CY2017	us-gaap	Asset Retirement Obligation Revision Of Estimate AssetRetirementObligationRevisionOfEstimate	-421000000	USD
CY2017	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	4.63
CY2016Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	244224000000	USD
CY2018Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive	1304000000	USD
CY2018	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	581000000	USD
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeitures Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue	85.72
CY2018Q4	us-gaap	Common Stock Value CommonStockValue	15258000000	USD
CY2016	xom	Share Based Compensation Arrangement By Share Based Payment Award Restricted Stock And Units Settled In Stock ShareBasedCompensationArrangementByShareBasedPaymentAwardRestrictedStockAndUnitsSettledInStock	771000000	USD
CY2017	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	384000000	USD
CY2017Q4	us-gaap	Capitalized Exploratory Well Costs That Have Been Capitalized For Period Greater Than One Year CapitalizedExploratoryWellCostsThatHaveBeenCapitalizedForPeriodGreaterThanOneYear	2794000000	USD
CY2017	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	1848000000	USD
CY2016	xom	Sales And Other Operating Revenue Including Sales Based Taxes SalesAndOtherOperatingRevenueIncludingSalesBasedTaxes	200628000000	USD
CY2017Q4	us-gaap	Equity Method Investments EquityMethodInvestments	24354000000	USD
CY2018	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	3107000000	USD
CY2017Q4	us-gaap	Other Assets Current OtherAssetsCurrent	1368000000	USD
CY2016Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	4148000000	shares
CY2017	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	865000000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax	277000000	USD
CY2016	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	16163000000	USD
CY2017	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	113000000	USD
CY2018	us-gaap	Income Loss From Equity Method Investments Net Of Dividends Or Distributions IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions	1684000000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Pensions DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensions	4338000000	USD
CY2017Q4	us-gaap	Income Tax Examination Interest Accrued IncomeTaxExaminationInterestAccrued	168000000	USD
CY2017Q4	us-gaap	Treasury Stock Value TreasuryStockValue	225246000000	USD
CY2017	xom	Worldwide Current Tax Expense Benefit WorldwideCurrentTaxExpenseBenefit	7210000000	USD
CY2016	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	9780000000	USD
CY2018	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-96000000	USD
CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	-754000000	USD
CY2018Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	6516000000	USD
CY2017Q4	us-gaap	Minority Interest MinorityInterest	6812000000	USD
CY2018Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	42261000000	USD
CY2018	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	36014000000	USD
CY2016	us-gaap	Income Loss From Equity Method Investments Net Of Dividends Or Distributions IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions	579000000	USD
CY2016	xom	Unrecognized Tax Benefits Foreign Exchange Effects Other UnrecognizedTaxBenefitsForeignExchangeEffectsOther	21000000	USD
CY2018	us-gaap	Exploration Expense ExplorationExpense	1466000000	USD
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	77.66
CY2017Q4	xom	Reserves For Long Term Receivables And Miscellaneous Investments ReservesForLongTermReceivablesAndMiscellaneousInvestments	5432000000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	240000000	USD
CY2016	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	388000000	USD
CY2018	us-gaap	Repayments Of Short Term Debt Maturing In More Than Three Months RepaymentsOfShortTermDebtMaturingInMoreThanThreeMonths	4752000000	USD
CY2017	us-gaap	Net Income Loss NetIncomeLoss	19710000000	USD
CY2018	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	9294000000	USD
CY2017	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax	5352000000	USD
CY2018	xom	Results Of Operations Income Before Consolidate And Equity Company Income Taxes ResultsOfOperationsIncomeBeforeConsolidateAndEquityCompanyIncomeTaxes	34095000000	USD
CY2016	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	-582000000	USD
CY2017	xom	Share Of Equity Company Income Taxes ShareOfEquityCompanyIncomeTaxes	2228000000	USD
CY2016	us-gaap	Stock Granted During Period Value Sharebased Compensation StockGrantedDuringPeriodValueSharebasedCompensation	840000000	USD
CY2017	xom	Other Long Term Obligations Expense And Payments Adjustment OtherLongTermObligationsExpenseAndPaymentsAdjustment	-610000000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	5832000000	USD
CY2017Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	8019000000	shares
CY2016	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	70000000	USD
CY2018	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	-219000000	USD
CY2016	xom	Share Of Equity Company Sales Revenues From Consolidated Companies ShareOfEquityCompanySalesRevenuesFromConsolidatedCompanies	0.14	pure
CY2018	us-gaap	Defined Benefit Plan Amounts Recognized In Other Comprehensive Income Loss Net Gain Loss Before Tax DefinedBenefitPlanAmountsRecognizedInOtherComprehensiveIncomeLossNetGainLossBeforeTax	1657000000	USD
CY2017	xom	Total Consolidated Company And Share Of Equity Company Income Taxes TotalConsolidatedCompanyAndShareOfEquityCompanyIncomeTaxes	1054000000	USD
CY2016	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	692000000	USD
CY2017	us-gaap	Stockholders Equity Other StockholdersEquityOther	432000000	USD
CY2017	xom	Other Comprehensive Income Postretirement Benefits Recognized In Net Periodic Pension Cost Net Of Tax OtherComprehensiveIncomePostretirementBenefitsRecognizedInNetPeriodicPensionCostNetOfTax	1165000000	USD
CY2018Q4	us-gaap	Guarantee Obligations Current Carrying Value GuaranteeObligationsCurrentCarryingValue	5838000000	USD
CY2017Q4	us-gaap	Assets Assets	348691000000	USD
CY2016	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-12403000000	USD
CY2017	xom	Share Based Compensation Arrangement By Share Based Payment Award Restricted Stock And Units Settled In Stock ShareBasedCompensationArrangementByShareBasedPaymentAwardRestrictedStockAndUnitsSettledInStock	667000000	USD
CY2018	xom	Total Income Sales Based And Other Taxes TotalIncomeSalesBasedAndOtherTaxes	44762000000	USD
CY2018Q4	xom	Other Capitalized Exploratory Well Costs OtherCapitalizedExploratoryWellCosts	-49000000	USD
CY2017	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	6000000	USD
CY2017	xom	Unrecognized Tax Benefits Foreign Exchange Effects Other UnrecognizedTaxBenefitsForeignExchangeEffectsOther	-30000000	USD
CY2017	us-gaap	Defined Benefit Plan Amounts Recognized In Other Comprehensive Income Loss Net Gain Loss Before Tax DefinedBenefitPlanAmountsRecognizedInOtherComprehensiveIncomeLossNetGainLossBeforeTax	1279000000	USD
CY2017	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	201000000	USD
CY2017	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	7510000000	USD
CY2017Q4	xom	Total Investments And Advances To Equity Method Companies TotalInvestmentsAndAdvancesToEquityMethodCompanies	33466000000	USD
CY2018Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-19564000000	USD
CY2017	xom	Additional Investments And Advances AdditionalInvestmentsAndAdvances	5507000000	USD
CY2018Q4	us-gaap	Capitalized Exploratory Well Costs That Have Been Capitalized For Period Of One Year Or Less CapitalizedExploratoryWellCostsThatHaveBeenCapitalizedForPeriodOfOneYearOrLess	564000000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	30953000000	USD
CY2018	us-gaap	Asset Retirement Obligation Accretion Expense AssetRetirementObligationAccretionExpense	681000000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	470000000	USD
CY2017	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	747000000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	125000000	USD
CY2017	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	13001000000	USD
CY2016	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	-649000000	USD
CY2018	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	25000000	USD
CY2016Q4	xom	Other Capitalized Exploratory Well Costs OtherCapitalizedExploratoryWellCosts	36000000	USD
CY2018	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	17577000000	USD
CY2017	us-gaap	Stock Granted During Period Value Sharebased Compensation StockGrantedDuringPeriodValueSharebasedCompensation	730000000	USD
CY2016	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-931000000	USD
CY2017	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	117000000	USD
CY2016	xom	Worldwide Current Tax Expense Benefit WorldwideCurrentTaxExpenseBenefit	3842000000	USD
CY2017	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	4256000000	shares
CY2018Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	9174000000	USD
CY2018	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	11480000000	USD
CY2018Q4	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	2612000000	USD
CY2018Q4	xom	Capitalized Exploratory Well Costs Attributable To Equity Companies CapitalizedExploratoryWellCostsAttributableToEquityCompanies	306000000	USD
CY2017	us-gaap	Asset Retirement Obligation Liabilities Settled AssetRetirementObligationLiabilitiesSettled	730000000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-280000000	USD
CY2018	xom	Postretirement Benefits Expense And Payments Adjustment PostretirementBenefitsExpenseAndPaymentsAdjustment	1070000000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Three Years OperatingLeasesFutureMinimumPaymentsDueInThreeYears	765000000	USD
CY2016	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.88
CY2018	us-gaap	Income Tax Reconciliation Equity In Earnings Losses Of Unconsolidated Subsidiary IncomeTaxReconciliationEquityInEarningsLossesOfUnconsolidatedSubsidiary	1545000000	USD
CY2017	us-gaap	State And Local Income Tax Expense Benefit Continuing Operations StateAndLocalIncomeTaxExpenseBenefitContinuingOperations	-80000000	USD
CY2018	us-gaap	Payments Of Dividends Minority Interest PaymentsOfDividendsMinorityInterest	243000000	USD
CY2017Q4	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	23575000000	USD
CY2018Q4	us-gaap	Equity Method Investments EquityMethodInvestments	26382000000	USD
CY2018	xom	Federal Income Tax Expense Benefit On Foreign Operations FederalIncomeTaxExpenseBenefitOnForeignOperations	42000000	USD
CY2017	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	138000000	USD
CY2018	xom	Unrecognized Tax Benefits Foreign Exchange Effects Other UnrecognizedTaxBenefitsForeignExchangeEffectsOther	26000000	USD
CY2018	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-60000000	USD
CY2016	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-9293000000	USD
CY2017Q4	us-gaap	Accounts Payable Trade Current AccountsPayableTradeCurrent	21701000000	USD
CY2017Q4	us-gaap	Capitalized Exploratory Well Costs That Have Been Capitalized For Period Of One Year Or Less CapitalizedExploratoryWellCostsThatHaveBeenCapitalizedForPeriodOfOneYearOrLess	906000000	USD
CY2017	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	26380000000	USD
CY2017	xom	Federal Income Tax Expense Benefit On Foreign Operations FederalIncomeTaxExpenseBenefitOnForeignOperations	17000000	USD
CY2018	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	6500000000	USD
CY2018	us-gaap	Proceeds From Sale And Collection Of Receivables ProceedsFromSaleAndCollectionOfReceivables	986000000	USD
CY2017Q4	us-gaap	Deferred Tax Liabilities Noncurrent DeferredTaxLiabilitiesNoncurrent	26893000000	USD
CY2018	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	-257000000	USD
CY2018	xom	Total Revenues And Other Income TotalRevenuesAndOtherIncome	290212000000	USD
CY2017	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-480000000	USD
CY2018	us-gaap	Increase Decrease In Accounts And Notes Receivable IncreaseDecreaseInAccountsAndNotesReceivable	545000000	USD
CY2018	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	17751000000	USD
CY2018	xom	Total Other Taxes And Duties TotalOtherTaxesAndDuties	35230000000	USD
CY2018	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax	-5077000000	USD
CY2017Q4	us-gaap	Long Term Accounts Notes And Loans Receivable Net Noncurrent LongTermAccountsNotesAndLoansReceivableNetNoncurrent	5520000000	USD
CY2018	us-gaap	Asset Retirement Obligation Revision Of Estimate AssetRetirementObligationRevisionOfEstimate	85000000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	68000000	USD
CY2018	xom	Additional Investments And Advances AdditionalInvestmentsAndAdvances	1981000000	USD
CY2018	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	13798000000	USD
CY2016	xom	Other Comprehensive Income Defined Benefit Plans Adjustment Net Of Tax Including Portion Attributable To Noncontrolling Interest OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	-1579000000	USD
CY2018Q4	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	24035000000	USD
CY2016	us-gaap	Interest Expense Other InterestExpenseOther	63000000	USD
CY2017	us-gaap	Property Plant And Equipment Additions PropertyPlantAndEquipmentAdditions	24901000000	USD
CY2018Q4	us-gaap	Commercial Paper CommercialPaper	12863000000	USD
CY2018Q4	us-gaap	Energy Related Inventory Petroleum EnergyRelatedInventoryPetroleum	4783000000	USD
CY2016Q4	us-gaap	Projects That Have Exploratory Well Costs That Have Been Capitalized For Period Greater Than One Year ProjectsThatHaveExploratoryWellCostsThatHaveBeenCapitalizedForPeriodGreaterThanOneYear	58	Projects
CY2018Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	35745000000	USD
CY2016	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-4386000000	USD
CY2018	xom	Weighted Average Fair Value Of Restricted Stock And Restricted Stock Units At Grant Date WeightedAverageFairValueOfRestrictedStockAndRestrictedStockUnitsAtGrantDate	81.89
CY2017	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	5104000000	USD
CY2017	us-gaap	Taxes Other TaxesOther	30104000000	USD
CY2017	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-8321000000	USD
CY2018Q4	us-gaap	Allowance For Notes And Loans Receivable Current AllowanceForNotesAndLoansReceivableCurrent	339000000	USD
CY2016	us-gaap	Investment Income Interest InvestmentIncomeInterest	30000000	USD
CY2018Q4	us-gaap	Due To Related Parties Noncurrent DueToRelatedPartiesNoncurrent	4382000000	USD
CY2017Q4	us-gaap	Short Term Debt Weighted Average Interest Rate ShortTermDebtWeightedAverageInterestRate	0.013	pure
CY2016	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	-5832000000	USD
CY2018	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	174000000	USD
CY2017Q4	us-gaap	Common Stock Value CommonStockValue	14656000000	USD
CY2018	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21	pure
CY2016	xom	Total Other Taxes And Duties TotalOtherTaxesAndDuties	31375000000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	21174000000	USD
CY2017	xom	Sales And Other Operating Revenue Including Sales Based Taxes SalesAndOtherOperatingRevenueIncludingSalesBasedTaxes	237162000000	USD
CY2018Q4	xom	Advances To Equity Method Companies AdvancesToEquityMethodCompanies	8608000000	USD
CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	18674000000	USD
CY2018	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2018
CY2018Q4	us-gaap	Liabilities Liabilities	147668000000	USD
CY2017Q4	us-gaap	Liabilities Current LiabilitiesCurrent	57771000000	USD
CY2017Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	414540000000	USD
CY2016Q4	us-gaap	Equity Method Investments EquityMethodInvestments	20810000000	USD
CY2018Q4	xom	Long Term Debt In Us Dollars LongTermDebtInUsDollars	19940000000	USD
CY2017Q4	us-gaap	Accrual For Taxes Other Than Income Taxes Current AccrualForTaxesOtherThanIncomeTaxesCurrent	3311000000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax	67000000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Two Years OperatingLeasesFutureMinimumPaymentsDueInTwoYears	985000000	USD
CY2018Q4	us-gaap	Treasury Stock Value TreasuryStockValue	225553000000	USD
CY2017	us-gaap	Stock Issued During Period Value Treasury Stock Reissued StockIssuedDuringPeriodValueTreasuryStockReissued	295000000	USD
CY2017Q4	us-gaap	Inventory Crude Oil Products And Merchandise InventoryCrudeOilProductsAndMerchandise	4333000000	USD
CY2017Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	5625000000	USD
CY2016	us-gaap	Revenues Revenues	200628000000	USD
CY2017	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	6536000000	USD
CY2017	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	15402000000	USD
CY2018Q4	us-gaap	Common Stock No Par Value CommonStockNoParValue
CY2017	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	782000000	USD
CY2017Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	21132000000	USD
CY2017	xom	Dividends Common Stock Inc Noncontrolling Int DividendsCommonStockIncNoncontrollingInt	13185000000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Four Years OperatingLeasesFutureMinimumPaymentsDueInFourYears	549000000	USD
CY2017Q4	xom	Total Number Of Projects TotalNumberOfProjects	57	Projects
CY2018	us-gaap	Defined Benefit Plan Benefit Obligation Prescription Drug Subsidy Receipt DefinedBenefitPlanBenefitObligationPrescriptionDrugSubsidyReceipt	13000000	USD
CY2017Q4	us-gaap	Energy Related Inventory Chemicals EnergyRelatedInventoryChemicals	3283000000	USD
CY2016Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	13243000000	USD
CY2017Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	9000000000	shares
CY2018	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-3670000000	USD
CY2017Q4	us-gaap	Receivables Net Current ReceivablesNetCurrent	25597000000	USD
CY2016	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	12000000	shares
CY2016	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	9112000000	USD
CY2018Q4	xom	Us Dollar Equivalent At Year End Exchange Rates Of Amounts Payable In Foreign Currencies UsDollarEquivalentAtYearEndExchangeRatesOfAmountsPayableInForeignCurrencies	598000000	USD
CY2016	xom	Federal Income Tax Expense Benefit On Foreign Operations FederalIncomeTaxExpenseBenefitOnForeignOperations	41000000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	290000000	USD
CY2017	xom	Total Income Sales Based And Other Taxes TotalIncomeSalesBasedAndOtherTaxes	31285000000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due Current OperatingLeasesFutureMinimumPaymentsDueCurrent	1156000000	USD
CY2018	us-gaap	Reclassification To Well Facilities And Equipment Based On Determination Of Proved Reserves ReclassificationToWellFacilitiesAndEquipmentBasedOnDeterminationOfProvedReserves	48000000	USD
CY2017	us-gaap	Asset Retirement Obligation Liabilities Incurred AssetRetirementObligationLiabilitiesIncurred	128000000	USD
CY2018	xom	Total Consolidated Company And Share Of Equity Company Income Taxes TotalConsolidatedCompanyAndShareOfEquityCompanyIncomeTaxes	12674000000	USD
CY2017	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-1733000000	USD
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CY2018	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	652000000	USD
CY2018Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	230089000000	USD
CY2018Q4	us-gaap	Asset Retirement Obligations Noncurrent AssetRetirementObligationsNoncurrent	11185000000	USD
CY2017Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	12705000000	USD
CY2018Q4	us-gaap	Capitalized Exploratory Well Costs CapitalizedExploratoryWellCosts	4160000000	USD
CY2017Q4	us-gaap	Capitalized Exploratory Well Costs CapitalizedExploratoryWellCosts	3700000000	USD
CY2016	us-gaap	Interest Expense InterestExpense	453000000	USD
CY2016	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-406000000	USD
CY2017	us-gaap	Reclassification To Well Facilities And Equipment Based On Determination Of Proved Reserves ReclassificationToWellFacilitiesAndEquipmentBasedOnDeterminationOfProvedReserves	497000000	USD
CY2017Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	8783000000	USD
CY2016Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	9468000000	USD
CY2018	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2018	dei	Entity Central Index Key EntityCentralIndexKey	0000034088
CY2018	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2018	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2018	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2018	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2017	xom	Issuedforiocandpermian Issuedforiocandpermian	7789000000	USD
CY2017	xom	Issued For Ioc And Permian Shares IssuedForIOCAndPermianShares	96000000	shares
CY2018	us-gaap	Valuation Allowance Deferred Tax Asset Change In Amount ValuationAllowanceDeferredTaxAssetChangeInAmount	-739000000	USD
CY2017	xom	Share Of Equity Company Sales Revenues From Consolidated Companies ShareOfEquityCompanySalesRevenuesFromConsolidatedCompanies	0.15	pure
CY2018	dei	Entity Small Business EntitySmallBusiness	false
CY2018	xom	Non Service Pension And Postretirement Expense NonServicePensionAndPostretirementExpense	1285000000	USD
CY2017	xom	Non Service Pension And Postretirement Expense NonServicePensionAndPostretirementExpense	1745000000	USD
CY2016	xom	Non Service Pension And Postretirement Expense NonServicePensionAndPostretirementExpense	1835000000	USD
CY2018Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	9000000000	shares
CY2017Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	4239000000	shares
CY2018	xom	Cumulative Effect Of Accounting Change CumulativeEffectOfAccountingChange	47000000	USD
CY2017Q4	us-gaap	Excess Of Replacement Or Current Costs Over Stated Lifo Value ExcessOfReplacementOrCurrentCostsOverStatedLIFOValue	10800000000	USD
CY2018Q4	us-gaap	Excess Of Replacement Or Current Costs Over Stated Lifo Value ExcessOfReplacementOrCurrentCostsOverStatedLIFOValue	8200000000	USD
CY2018Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	8019000000	shares
CY2018Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	3782000000	shares
CY2017Q4	us-gaap	Projects That Have Exploratory Well Costs That Have Been Capitalized For Period Greater Than One Year ProjectsThatHaveExploratoryWellCostsThatHaveBeenCapitalizedForPeriodGreaterThanOneYear	46	Projects
CY2018Q4	xom	Number Of Projects With Capitalized Well Drilled In Preceding Twelve Months Or Exploration Planned In Next Two Years As Of Year End NumberOfProjectsWithCapitalizedWellDrilledInPrecedingTwelveMonthsOrExplorationPlannedInNextTwoYearsAsOfYearEnd	12	Projects
CY2018Q4	xom	Number Of Projects With Capitalized Well Exploration Completed As Of Year End Progressing Toward Development NumberOfProjectsWithCapitalizedWellExplorationCompletedAsOfYearEndProgressingTowardDevelopment	40	Projects
CY2015Q4	us-gaap	Capitalized Exploratory Well Costs CapitalizedExploratoryWellCosts	4372000000	USD
CY2018	xom	Percentage Decrease In Unrecognized Tax Benefits PercentageDecreaseInUnrecognizedTaxBenefits	0.1	pure
CY2018	xom	Percentage Increase In Unrecognized Tax Benefits PercentageIncreaseInUnrecognizedTaxBenefits	0.1	pure
CY2016	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.35	pure
CY2018	xom	Assumed Initial Health Care Trend Rate AssumedInitialHealthCareTrendRate	0.045	pure
CY2018	us-gaap	Defined Benefit Plan Year Health Care Cost Trend Rate Reaches Ultimate Trend Rate DefinedBenefitPlanYearHealthCareCostTrendRateReachesUltimateTrendRate	2020
CY2018	us-gaap	Defined Benefit Plan Effect Of One Percentage Point Increase On Service And Interest Cost Components DefinedBenefitPlanEffectOfOnePercentagePointIncreaseOnServiceAndInterestCostComponents	74000000	USD
CY2018	us-gaap	Defined Benefit Plan Effect Of One Percentage Point Increase On Accumulated Postretirement Benefit Obligation DefinedBenefitPlanEffectOfOnePercentagePointIncreaseOnAccumulatedPostretirementBenefitObligation	776000000	USD
CY2018	us-gaap	Defined Benefit Plan Effect Of One Percentage Point Decrease On Service And Interest Cost Components1 DefinedBenefitPlanEffectOfOnePercentagePointDecreaseOnServiceAndInterestCostComponents1	56000000	USD
CY2018	us-gaap	Defined Benefit Plan Effect Of One Percentage Point Decrease On Accumulated Postretirement Benefit Obligation1 DefinedBenefitPlanEffectOfOnePercentagePointDecreaseOnAccumulatedPostretirementBenefitObligation1	620000000	USD
CY2018	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	391000000	USD
CY2017Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	23100000000	USD
CY2018Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	198528000000	USD
CY2018Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	4237000000	shares
CY2017Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	194500000000	USD
CY2018Q4	us-gaap	Deferred Finance Costs Net DeferredFinanceCostsNet	42000000	USD
CY2017Q4	us-gaap	Deferred Finance Costs Net DeferredFinanceCostsNet	55000000	USD
CY2017	xom	Defined Benefit Plan Amortization Of Actuarial Loss Gain And Prior Service Cost Credit And Recognized Net Gain Loss Due To Settlements And Curtailments DefinedBenefitPlanAmortizationOfActuarialLossGainAndPriorServiceCostCreditAndRecognizedNetGainLossDueToSettlementsAndCurtailments	-1656000000	USD
CY2016	xom	Defined Benefit Plan Amortization Of Actuarial Loss Gain And Prior Service Cost Credit And Recognized Net Gain Loss Due To Settlements And Curtailments DefinedBenefitPlanAmortizationOfActuarialLossGainAndPriorServiceCostCreditAndRecognizedNetGainLossDueToSettlementsAndCurtailments	-1531000000	USD
CY2018	us-gaap	Proceeds From Sales Of Business Affiliate And Productive Assets ProceedsFromSalesOfBusinessAffiliateAndProductiveAssets	4123000000	USD
CY2017	us-gaap	Proceeds From Sales Of Business Affiliate And Productive Assets ProceedsFromSalesOfBusinessAffiliateAndProductiveAssets	3103000000	USD
CY2016	us-gaap	Proceeds From Sales Of Business Affiliate And Productive Assets ProceedsFromSalesOfBusinessAffiliateAndProductiveAssets	4275000000	USD
CY2018Q4	xom	After Tax Impact Of Change In Allocation AfterTaxImpactOfChangeInAllocation	450000000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	2565000000	USD
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Authorized ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized	220000000	shares
CY2017Q4	xom	Derivative Instruments Not Designated As Hedging Instruments Asset At Carrying Value DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAssetAtCarryingValue	25000000	USD
CY2017Q4	xom	Derivative Instruments Not Designated As Hedging Instruments Liability At Carrying Value DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsLiabilityAtCarryingValue	-63000000	USD
CY2017Q4	xom	Derivative Instruments Not Designated As Hedging Instruments Collateral DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsCollateral	94000000	USD
CY2017	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.35	pure
CY2019Q1	xom	Estimated Prepaid Leases EstimatedPrepaidLeases	1000000000	USD
CY2019Q1	xom	Estimated Operating Lease Liability EstimatedOperatingLeaseLiability	3300000000	USD
CY2019Q1	xom	Estimated Operating Lease Right Of Use Asset EstimatedOperatingLeaseRightOfUseAsset	4300000000	USD
CY2018	us-gaap	Asset Impairment Charges AssetImpairmentCharges	700000000	USD
CY2017	us-gaap	Asset Impairment Charges AssetImpairmentCharges	2000000000	USD
CY2016	us-gaap	Asset Impairment Charges AssetImpairmentCharges	3600000000	USD
CY2017Q4	us-gaap	Debt Instrument Fair Value DebtInstrumentFairValue	23700000000	USD
CY2018	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2018	dei	Entity Shell Company EntityShellCompany	false

Files In Submission

Name	View Source	Status
0000034088-19-000010-index-headers.html	Edgar Link	pending
0000034088-19-000010-index.html	Edgar Link	pending
0000034088-19-000010.txt	Edgar Link	pending
0000034088-19-000010-xbrl.zip	Edgar Link	pending
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Financial_Report.xlsx	Edgar Link	pending
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report.css	Edgar Link	pending
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xom-20181231.xml	Edgar Link	completed
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xomexhibit321.htm	Edgar Link	pending
xomexhibit322.htm	Edgar Link	pending
xomexhibit323.htm	Edgar Link	pending
xomlogox0x0.gif	Edgar Link	pending

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$XOM
EXXON MOBIL CORP Stock $xom

2018 Q4 Form 10-K Financial Statement

#000003408819000010 Filed on February 27, 2019

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$XOM EXXON MOBIL CORP Stock $xom

2018 Q4 Form 10-K Financial Statement

#000003408819000010 Filed on February 27, 2019

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$XOM
EXXON MOBIL CORP Stock $xom