$XOM
EXXON MOBIL CORP Stock $xom

$xom Overview Financials Valuation SEC Filings Company Website

2013 Q4 Form 10-K Financial Statement

#000003408815000013 Filed on February 25, 2015

Income Statement

Concept	2013 Q4	2012 Q4	2012
Revenue	$106.0B	$109.2B	$451.5B
YoY Change	-2.88%	-5.82%	-3.32%
Cost Of Revenue	$79.40B	$80.83B	$334.5B
YoY Change	-1.77%	-6.03%	-1.72%
Gross Profit	$26.62B	$28.33B	$117.0B
YoY Change	-6.03%	-5.23%	-7.64%
Gross Profit Margin	25.11%	25.95%	25.92%
Selling, General & Admin	$11.93B	$11.49B	$13.88B
YoY Change	3.77%	-17.76%	-7.38%
% of Gross Profit	44.8%	40.57%	11.86%
Research & Development	$591.0M	$452.0M	$1.042B
YoY Change	30.75%	5.85%	-0.19%
% of Gross Profit	2.22%	1.6%	0.89%
Depreciation & Amortization	$4.380B	$4.110B	$15.89B
YoY Change	6.57%	0.86%	1.96%
% of Gross Profit	16.46%	14.51%	13.57%
Operating Expenses	$16.90B	$16.05B	$14.92B
YoY Change	5.24%	-13.1%	-6.91%
Operating Profit	$9.722B	$12.27B	$102.1B
YoY Change	-20.79%	7.51%	-7.74%
Interest Expense	$3.119B	$3.652B	$327.0M
YoY Change	-14.59%	-2.67%	32.39%
% of Operating Profit	32.08%	29.76%	0.32%
Other Income/Expense, Net	$1.875B	$1.775B	$14.16B
YoY Change	5.63%	-5.23%	244.49%
Pretax Income	$14.72B	$17.70B	$78.73B
YoY Change	-16.86%	3.87%	7.47%
Income Tax	$6.073B	$7.398B	$31.05B
% Of Pretax Income	41.27%	41.8%	39.43%
Net Earnings	$8.350B	$9.950B	$44.88B
YoY Change	-16.08%	5.85%	9.3%
Net Earnings / Revenue	7.88%	9.11%	9.94%
Basic Earnings Per Share			$9.70
Diluted Earnings Per Share	$1.914M	$2.191M	$9.70
COMMON SHARES
Basic Shares Outstanding			4.628B shares
Diluted Shares Outstanding			4.628B shares

Balance Sheet

Concept	2013 Q4	2012 Q4	2012
SHORT-TERM ASSETS
Cash & Short-Term Investments	$4.644B	$9.582B	$9.582B
YoY Change	-51.53%	-24.34%	-24.34%
Cash & Equivalents	$4.644B	$9.582B	$9.582B
Short-Term Investments
Other Short-Term Assets	$5.108B	$5.008B	$5.349B
YoY Change	2.0%	-19.6%	-19.36%
Inventory	$16.14B	$14.54B	$14.54B
Prepaid Expenses
Receivables	$25.99B	$28.37B	$28.37B
Other Receivables	$0.00	$0.00	$6.614B
Total Short-Term Assets	$59.31B	$64.46B	$64.46B
YoY Change	-7.99%	-11.65%	-11.65%
LONG-TERM ASSETS
Property, Plant & Equipment	$243.7B	$226.9B	$226.9B
YoY Change	7.36%	5.72%	5.72%
Goodwill
YoY Change
Intangibles
YoY Change
Long-Term Investments	$19.62B	$18.53B	$18.97B
YoY Change	5.88%	9.21%	2.46%
Other Assets	$7.522B	$7.668B	$17.63B
YoY Change	-1.9%	-15.66%	-6.4%
Total Long-Term Assets	$287.5B	$269.3B	$269.3B
YoY Change	6.74%	4.36%	4.36%
TOTAL ASSETS
Total Short-Term Assets	$59.31B	$64.46B	$64.46B
Total Long-Term Assets	$287.5B	$269.3B	$269.3B
Total Assets	$346.8B	$333.8B	$333.8B
YoY Change	3.9%	0.83%	0.83%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$48.09B	$50.73B	$33.79B
YoY Change	-5.21%	-11.11%	-0.53%
Accrued Expenses			$10.83B
YoY Change			-38.3%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00	$2.628B
YoY Change			-38.6%
Long-Term Debt Due	$1.034B	$1.025B	$1.025B
YoY Change	0.88%	-70.13%	-70.13%
Total Short-Term Liabilities	$71.72B	$64.14B	$64.14B
YoY Change	11.83%	-17.25%	-17.25%
LONG-TERM LIABILITIES
Long-Term Debt	$6.500B	$7.500B	$7.928B
YoY Change	-13.33%	-19.55%	-14.95%
Other Long-Term Liabilities	$21.78B	$23.68B	$52.50B
YoY Change	-8.01%	18.02%	12.02%
Total Long-Term Liabilities	$28.28B	$31.18B	$60.43B
YoY Change	-9.29%	55.41%	7.55%
TOTAL LIABILITIES
Total Short-Term Liabilities	$71.72B	$64.14B	$64.14B
Total Long-Term Liabilities	$28.28B	$31.18B	$60.43B
Total Liabilities	$166.3B	$162.1B	$167.9B
YoY Change	2.58%	-4.8%	-4.94%
SHAREHOLDERS EQUITY
Retained Earnings	$387.4B	$365.7B
YoY Change	5.93%	10.51%
Common Stock	$10.08B	$9.653B
YoY Change	4.39%	1.48%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$212.8B	$197.3B
YoY Change	7.83%	11.53%
Treasury Stock Shares	3.684B shares	3.517B shares
Shareholders Equity	$174.0B	$165.9B	$165.9B
YoY Change
Total Liabilities & Shareholders Equity	$346.8B	$333.8B	$333.8B
YoY Change	3.9%	0.83%	0.83%

Cashflow Statement

Concept	2013 Q4	2012 Q4	2012
OPERATING ACTIVITIES
Net Income	$8.350B	$9.950B	$44.88B
YoY Change	-16.08%	5.85%	9.3%
Depreciation, Depletion And Amortization	$4.380B	$4.110B	$15.89B
YoY Change	6.57%	0.86%	1.96%
Cash From Operating Activities	$10.21B	$13.22B	$56.17B
YoY Change	-22.81%	23.0%	1.49%
INVESTING ACTIVITIES
Capital Expenditures	-$8.426B	-$10.06B	$34.27B
YoY Change	-16.22%	16.48%	10.64%
Acquisitions
YoY Change
Other Investing Activities	$1.714B	$1.055B	$8.670B
YoY Change	62.46%	-84.07%	-1.59%
Cash From Investing Activities	-$6.712B	-$9.002B	-$25.60B
YoY Change	-25.44%	347.42%	15.5%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net			$21.07B
YoY Change			-4.48%
Debt Paid & Issued, Net			$147.0M
YoY Change			-44.74%
Cash From Financing Activities	-4.178B	-7.725B	-33.87B
YoY Change	-45.92%	9.65%	19.86%
NET CHANGE
Cash From Operating Activities	10.21B	13.22B	56.17B
Cash From Investing Activities	-6.712B	-9.002B	-25.60B
Cash From Financing Activities	-4.178B	-7.725B	-33.87B
Net Change In Cash	-682.0M	-3.503B	-3.299B
YoY Change	-80.53%	-306.79%	-167.0%
FREE CASH FLOW
Cash From Operating Activities	$10.21B	$13.22B	$56.17B
Capital Expenditures	-$8.426B	-$10.06B	$34.27B
Free Cash Flow	$18.63B	$23.28B	$21.90B
YoY Change	-19.96%	20.1%	-10.14%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2014	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	13323000000	USD
CY2014	us-gaap	Other Income OtherIncome	4511000000	USD
CY2014	xom	Total Revenues And Other Income TotalRevenuesAndOtherIncome	411939000000	USD
CY2014	xom	Crude Oil And Product Purchases CrudeOilAndProductPurchases	225972000000	USD
CY2014	xom	Production And Manufacturing Expenses ProductionAndManufacturingExpenses	40859000000	USD
CY2014	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	12598000000	USD
CY2014	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	17297000000	USD
CY2014	us-gaap	Exploration Expense ExplorationExpense	1669000000	USD
CY2014	us-gaap	Interest Expense InterestExpense	286000000	USD
CY2014	us-gaap	Excise And Sales Taxes ExciseAndSalesTaxes	29342000000	USD
CY2014	us-gaap	Taxes Other TaxesOther	32286000000	USD
CY2014	us-gaap	Costs And Expenses CostsAndExpenses	360309000000	USD
CY2014	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	18015000000	USD
CY2014	us-gaap	Profit Loss ProfitLoss	33615000000	USD
CY2014	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	1095000000	USD
CY2014	us-gaap	Net Income Loss NetIncomeLoss	32520000000	USD
CY2014	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	7.6
CY2013	xom	Sales And Other Operating Revenue Including Sales Based Taxes SalesAndOtherOperatingRevenueIncludingSalesBasedTaxes	420836000000	USD
CY2013	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	13927000000	USD
CY2013	xom	Crude Oil And Product Purchases CrudeOilAndProductPurchases	244156000000	USD
CY2013	xom	Production And Manufacturing Expenses ProductionAndManufacturingExpenses	40525000000	USD
CY2013	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	12877000000	USD
CY2013	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	17182000000	USD
CY2013	us-gaap	Exploration Expense ExplorationExpense	1976000000	USD
CY2013	us-gaap	Interest Expense InterestExpense	9000000	USD
CY2012	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	15888000000	USD
CY2013	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	868000000	USD
CY2013	xom	Total Revenues And Other Income TotalRevenuesAndOtherIncome	438255000000	USD
CY2014Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	252668000000	USD
CY2014	xom	Sales And Other Operating Revenue Including Sales Based Taxes SalesAndOtherOperatingRevenueIncludingSalesBasedTaxes	394105000000	USD
CY2014Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	9000000000	shares
CY2013Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	3684000000	shares
CY2013	xom	Other Comprehensive Income Postretirement Benefits Recognized In Net Periodic Pension Cost Net Of Tax OtherComprehensiveIncomePostretirementBenefitsRecognizedInNetPeriodicPensionCostNetOfTax	1820000000	USD
CY2012	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax	920000000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	3574000000	USD
CY2013Q4	us-gaap	Common Stock No Par Value CommonStockNoParValue
CY2013	us-gaap	Net Cash Provided By Used In Financing Activities Continuing Operations NetCashProvidedByUsedInFinancingActivitiesContinuingOperations	-15476000000	USD
CY2011Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	12664000000	USD
CY2012Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	171660000000	USD
CY2013	us-gaap	Costs And Expenses CostsAndExpenses	380544000000	USD
CY2013	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	34799000000	USD
CY2013	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	34039000000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-4611000000	USD
CY2013	us-gaap	Excise And Sales Taxes ExciseAndSalesTaxes	30589000000	USD
CY2013	us-gaap	Taxes Other TaxesOther	33230000000	USD
CY2013	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	24263000000	USD
CY2013	us-gaap	Profit Loss ProfitLoss	33448000000	USD
CY2013	us-gaap	Net Income Loss NetIncomeLoss	32580000000	USD
CY2013	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	7.37
CY2012	xom	Sales And Other Operating Revenue Including Sales Based Taxes SalesAndOtherOperatingRevenueIncludingSalesBasedTaxes	451509000000	USD
CY2012	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	15010000000	USD
CY2012	us-gaap	Other Income OtherIncome	14162000000	USD
CY2012	xom	Total Revenues And Other Income TotalRevenuesAndOtherIncome	480681000000	USD
CY2012	xom	Crude Oil And Product Purchases CrudeOilAndProductPurchases	263535000000	USD
CY2012	xom	Production And Manufacturing Expenses ProductionAndManufacturingExpenses	38521000000	USD
CY2012	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	13877000000	USD
CY2012	us-gaap	Exploration Expense ExplorationExpense	1840000000	USD
CY2012	us-gaap	Interest Expense InterestExpense	327000000	USD
CY2012	us-gaap	Taxes Other TaxesOther	35558000000	USD
CY2012	us-gaap	Costs And Expenses CostsAndExpenses	401955000000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	4262000000	USD
CY2014	xom	Other Comprehensive Income Postretirement Benefits Recognized In Net Periodic Pension Cost Net Of Tax OtherComprehensiveIncomePostretirementBenefitsRecognizedInNetPeriodicPensionCostNetOfTax	1111000000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-8906000000	USD
CY2014	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	24709000000	USD
CY2014	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	421000000	USD
CY2014	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	24288000000	USD
CY2013	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax	-3620000000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	1351000000	USD
CY2013	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	760000000	USD
CY2012	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	43070000000	USD
CY2012	xom	Other Comprehensive Income Postretirement Benefits Recognized In Net Periodic Pension Cost Net Of Tax OtherComprehensiveIncomePostretirementBenefitsRecognizedInNetPeriodicPensionCostNetOfTax	2395000000	USD
CY2012	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	1251000000	USD
CY2012	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	41819000000	USD
CY2014	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax	-5847000000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Reclassification Adjustment From Aoci Realized Upon Sale Or Liquidation Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationNetOfTax	-152000000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Reclassification Adjustment From Aoci Realized Upon Sale Or Liquidation Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationNetOfTax	23000000	USD
CY2014Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	4616000000	USD
CY2014Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	42000000	USD
CY2014Q4	us-gaap	Receivables Net Current ReceivablesNetCurrent	28009000000	USD
CY2014Q4	us-gaap	Inventory Finished Goods And Work In Process InventoryFinishedGoodsAndWorkInProcess	12384000000	USD
CY2014Q4	us-gaap	Inventory Parts And Components Net Of Reserves InventoryPartsAndComponentsNetOfReserves	4294000000	USD
CY2014Q4	us-gaap	Other Assets Current OtherAssetsCurrent	3565000000	USD
CY2014Q4	us-gaap	Assets Current AssetsCurrent	52910000000	USD
CY2014Q4	us-gaap	Long Term Investments And Receivables Net LongTermInvestmentsAndReceivablesNet	35239000000	USD
CY2014Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	8676000000	USD
CY2014Q4	us-gaap	Assets Assets	349493000000	USD
CY2014Q4	us-gaap	Debt Current DebtCurrent	17468000000	USD
CY2014Q4	us-gaap	Accounts Payable And Accrued Liabilities Current AccountsPayableAndAccruedLiabilitiesCurrent	42227000000	USD
CY2014Q4	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	4938000000	USD
CY2014Q4	us-gaap	Deferred Tax Liabilities Noncurrent DeferredTaxLiabilitiesNoncurrent	39230000000	USD
CY2014Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	21786000000	USD
CY2014Q4	us-gaap	Liabilities Current LiabilitiesCurrent	64633000000	USD
CY2014Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	25802000000	USD
CY2014Q4	us-gaap	Liabilities Liabilities	168429000000	USD
CY2014Q4	us-gaap	Common Stock Value CommonStockValue	10792000000	USD
CY2014Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	408384000000	USD
CY2014Q4	us-gaap	Treasury Stock Value TreasuryStockValue	225820000000	USD
CY2014Q4	us-gaap	Stockholders Equity StockholdersEquity	174399000000	USD
CY2014Q4	us-gaap	Minority Interest MinorityInterest	6665000000	USD
CY2014Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	181064000000	USD
CY2014Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	349493000000	USD
CY2013Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	4644000000	USD
CY2013Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	269000000	USD
CY2013Q4	us-gaap	Receivables Net Current ReceivablesNetCurrent	33152000000	USD
CY2013Q4	us-gaap	Inventory Finished Goods And Work In Process InventoryFinishedGoodsAndWorkInProcess	12117000000	USD
CY2013Q4	us-gaap	Inventory Parts And Components Net Of Reserves InventoryPartsAndComponentsNetOfReserves	4018000000	USD
CY2013Q4	us-gaap	Other Assets Current OtherAssetsCurrent	5108000000	USD
CY2013Q4	us-gaap	Assets Current AssetsCurrent	59308000000	USD
CY2013Q4	us-gaap	Long Term Investments And Receivables Net LongTermInvestmentsAndReceivablesNet	36328000000	USD
CY2013Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	243650000000	USD
CY2013Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	7522000000	USD
CY2013Q4	us-gaap	Assets Assets	346808000000	USD
CY2013Q4	us-gaap	Debt Current DebtCurrent	15808000000	USD
CY2013Q4	us-gaap	Accounts Payable And Accrued Liabilities Current AccountsPayableAndAccruedLiabilitiesCurrent	48085000000	USD
CY2013Q4	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	7831000000	USD
CY2013Q4	us-gaap	Liabilities Current LiabilitiesCurrent	71724000000	USD
CY2013Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	20646000000	USD
CY2013Q4	us-gaap	Deferred Tax Liabilities Noncurrent DeferredTaxLiabilitiesNoncurrent	40530000000	USD
CY2013Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	21780000000	USD
CY2013Q4	us-gaap	Liabilities Liabilities	166313000000	USD
CY2013Q4	us-gaap	Common Stock Value CommonStockValue	10077000000	USD
CY2013Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	387432000000	USD
CY2013Q4	us-gaap	Treasury Stock Value TreasuryStockValue	212781000000	USD
CY2013Q4	us-gaap	Stockholders Equity StockholdersEquity	174003000000	USD
CY2013Q4	us-gaap	Minority Interest MinorityInterest	6492000000	USD
CY2013Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	180495000000	USD
CY2013Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	346808000000	USD
CY2014Q4	us-gaap	Common Stock No Par Value CommonStockNoParValue
CY2014Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	8019000000	shares
CY2014Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	3818000000	shares
CY2013Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	8019000000	shares
CY2013Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	9000000000	shares
CY2014Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2013Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2014Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-18957000000	USD
CY2013Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-10725000000	USD
CY2014Q4	us-gaap	Due To Related Parties Noncurrent DueToRelatedPartiesNoncurrent	5325000000	USD
CY2013Q4	us-gaap	Due To Related Parties Noncurrent DueToRelatedPartiesNoncurrent	4742000000	USD
CY2014Q4	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	11653000000	USD
CY2013Q4	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	6891000000	USD
CY2014	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	1540000000	USD
CY2014	xom	Postretirement Benefits Expense And Payments Adjustment PostretirementBenefitsExpenseAndPaymentsAdjustment	524000000	USD
CY2014	xom	Other Long Term Obligations Expense And Payments Adjustment OtherLongTermObligationsExpenseAndPaymentsAdjustment	1404000000	USD
CY2014	us-gaap	Income Loss From Equity Method Investments Net Of Dividends Or Distributions IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions	358000000	USD
CY2014	us-gaap	Increase Decrease In Accounts And Notes Receivable IncreaseDecreaseInAccountsAndNotesReceivable	-3118000000	USD
CY2012	us-gaap	Stockholders Equity Other StockholdersEquityOther	2284000000	USD
CY2012	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	21068000000	USD
CY2012	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	56170000000	USD
CY2012	us-gaap	Proceeds From Sales Of Business Affiliate And Productive Assets ProceedsFromSalesOfBusinessAffiliateAndProductiveAssets	7655000000	USD
CY2012	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	217000000	USD
CY2014	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	1343000000	USD
CY2014	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	68000000	USD
CY2014	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-6639000000	USD
CY2014	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	3151000000	USD
CY2014	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	823000000	USD
CY2014	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	45116000000	USD
CY2014	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	32952000000	USD
CY2014	us-gaap	Proceeds From Sales Of Business Affiliate And Productive Assets ProceedsFromSalesOfBusinessAffiliateAndProductiveAssets	4035000000	USD
CY2014	us-gaap	Increase Decrease In Restricted Cash IncreaseDecreaseInRestrictedCash	-227000000	USD
CY2014	xom	Additional Investments And Advances AdditionalInvestmentsAndAdvances	1631000000	USD
CY2014	us-gaap	Proceeds From Sale And Collection Of Receivables ProceedsFromSaleAndCollectionOfReceivables	3346000000	USD
CY2014	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	-26975000000	USD
CY2014	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	5731000000	USD
CY2014	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	69000000	USD
CY2014	us-gaap	Repayments Of Short Term Debt Maturing In More Than Three Months RepaymentsOfShortTermDebtMaturingInMoreThanThreeMonths	745000000	USD
CY2014	us-gaap	Proceeds From Repayments Of Short Term Debt Maturing In Three Months Or Less ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess	2049000000	USD
CY2014	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	11568000000	USD
CY2014	us-gaap	Payments Of Dividends Minority Interest PaymentsOfDividendsMinorityInterest	248000000	USD
CY2014	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	115000000	USD
CY2014	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	13183000000	USD
CY2014	us-gaap	Proceeds From Sale Of Treasury Stock ProceedsFromSaleOfTreasuryStock	30000000	USD
CY2014	us-gaap	Net Cash Provided By Used In Financing Activities Continuing Operations NetCashProvidedByUsedInFinancingActivitiesContinuingOperations	-17888000000	USD
CY2014	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	-281000000	USD
CY2014	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-28000000	USD
CY2013	us-gaap	Proceeds From Payments To Minority Shareholders ProceedsFromPaymentsToMinorityShareholders	-1000000	USD
CY2013	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	-350000000	USD
CY2012Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	9582000000	USD
CY2013	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	15998000000	USD
CY2013	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	-175000000	USD
CY2013	us-gaap	Increase Decrease In Accounts And Notes Receivable IncreaseDecreaseInAccountsAndNotesReceivable	305000000	USD
CY2013	xom	Additional Investments And Advances AdditionalInvestmentsAndAdvances	4435000000	USD
CY2013	xom	Postretirement Benefits Expense And Payments Adjustment PostretirementBenefitsExpenseAndPaymentsAdjustment	2291000000	USD
CY2013	us-gaap	Increase Decrease In Restricted Cash IncreaseDecreaseInRestrictedCash	-72000000	USD
CY2013	us-gaap	Proceeds From Repayments Of Short Term Debt Maturing In Three Months Or Less ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess	12012000000	USD
CY2013	us-gaap	Proceeds From Sales Of Business Affiliate And Productive Assets ProceedsFromSalesOfBusinessAffiliateAndProductiveAssets	2707000000	USD
CY2013	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-4938000000	USD
CY2013	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	48000000	USD
CY2013	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-2498000000	USD
CY2013	xom	Other Long Term Obligations Expense And Payments Adjustment OtherLongTermObligationsExpenseAndPaymentsAdjustment	-2566000000	USD
CY2013	us-gaap	Proceeds From Sale Of Treasury Stock ProceedsFromSaleOfTreasuryStock	50000000	USD
CY2013	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	345000000	USD
CY2013	us-gaap	Income Loss From Equity Method Investments Net Of Dividends Or Distributions IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions	-3000000	USD
CY2013	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	754000000	USD
CY2013	us-gaap	Repayments Of Short Term Debt Maturing In More Than Three Months RepaymentsOfShortTermDebtMaturingInMoreThanThreeMonths	756000000	USD
CY2013	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	13000000	USD
CY2013	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	33669000000	USD
CY2013	us-gaap	Proceeds From Sale And Collection Of Receivables ProceedsFromSaleAndCollectionOfReceivables	1124000000	USD
CY2013	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	1828000000	USD
CY2013	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	44914000000	USD
CY2013	us-gaap	Payments Of Dividends Minority Interest PaymentsOfDividendsMinorityInterest	304000000	USD
CY2013	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	10875000000	USD
CY2013	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	1812000000	USD
CY2013	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	-34201000000	USD
CY2013	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	105000000	USD
CY2012	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	147000000	USD
CY2012	xom	Postretirement Benefits Expense And Payments Adjustment PostretirementBenefitsExpenseAndPaymentsAdjustment	-315000000	USD
CY2012	xom	Other Long Term Obligations Expense And Payments Adjustment OtherLongTermObligationsExpenseAndPaymentsAdjustment	1643000000	USD
CY2012	xom	Additional Investments And Advances AdditionalInvestmentsAndAdvances	598000000	USD
CY2012	us-gaap	Net Cash Provided By Used In Financing Activities Continuing Operations NetCashProvidedByUsedInFinancingActivitiesContinuingOperations	-33868000000	USD
CY2012	us-gaap	Repayments Of Short Term Debt Maturing In More Than Three Months RepaymentsOfShortTermDebtMaturingInMoreThanThreeMonths	4488000000	USD
CY2012	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	13018000000	USD
CY2012	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	-25601000000	USD
CY2012	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	42000000	USD
CY2012	us-gaap	Proceeds From Short Term Debt Maturing In More Than Three Months ProceedsFromShortTermDebtMaturingInMoreThanThreeMonths	958000000	USD
CY2012	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-3082000000	USD
CY2012	us-gaap	Income Loss From Equity Method Investments Net Of Dividends Or Distributions IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions	1157000000	USD
CY2012	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	10092000000	USD
CY2012	us-gaap	Proceeds From Repayments Of Short Term Debt Maturing In Three Months Or Less ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess	-226000000	USD
CY2012	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	995000000	USD
CY2012	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	-1679000000	USD
CY2012	us-gaap	Increase Decrease In Accounts And Notes Receivable IncreaseDecreaseInAccountsAndNotesReceivable	1082000000	USD
CY2012	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	130000000	USD
CY2012	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	3624000000	USD
CY2012	us-gaap	Payments Of Dividends Minority Interest PaymentsOfDividendsMinorityInterest	327000000	USD
CY2012	us-gaap	Proceeds From Sale Of Treasury Stock ProceedsFromSaleOfTreasuryStock	193000000	USD
CY2012	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	1873000000	USD
CY2012	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	34271000000	USD
CY2012	us-gaap	Proceeds From Sale And Collection Of Receivables ProceedsFromSaleAndCollectionOfReceivables	1550000000	USD
CY2012	us-gaap	Proceeds From Payments To Minority Shareholders ProceedsFromPaymentsToMinorityShareholders	204000000	USD
CY2012	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	3142000000	USD
CY2012	us-gaap	Increase Decrease In Restricted Cash IncreaseDecreaseInRestrictedCash	-63000000	USD
CY2011Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	160744000000	USD
CY2012	xom	Amortization Of Stock Based Awards AmortizationOfStockBasedAwards	806000000	USD
CY2012	us-gaap	Adjustments To Additional Paid In Capital Tax Effect From Share Based Compensation AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation	178000000	USD
CY2012	us-gaap	Stock Issued During Period Value Treasury Stock Reissued StockIssuedDuringPeriodValueTreasuryStockReissued	667000000	USD
CY2013	xom	Amortization Of Stock Based Awards AmortizationOfStockBasedAwards	761000000	USD
CY2013	us-gaap	Adjustments To Additional Paid In Capital Tax Effect From Share Based Compensation AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation	162000000	USD
CY2013	us-gaap	Stockholders Equity Other StockholdersEquityOther	259000000	USD
CY2014	xom	Amortization Of Stock Based Awards AmortizationOfStockBasedAwards	780000000	USD
CY2014	us-gaap	Adjustments To Additional Paid In Capital Tax Effect From Share Based Compensation AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation	49000000	USD
CY2014	us-gaap	Stockholders Equity Other StockholdersEquityOther	114000000	USD
CY2014	us-gaap	Stock Issued During Period Value Treasury Stock Reissued StockIssuedDuringPeriodValueTreasuryStockReissued	144000000	USD
CY2012	xom	Dividends Common Stock Inc Noncontrolling Int DividendsCommonStockIncNoncontrollingInt	10419000000	USD
CY2012	xom	Treasury Stock Including Non Controlling Interests TreasuryStockIncludingNonControllingInterests	21102000000	USD
CY2013	xom	Dividends Common Stock Inc Noncontrolling Int DividendsCommonStockIncNoncontrollingInt	11179000000	USD
CY2013	xom	Treasury Stock Including Non Controlling Interests TreasuryStockIncludingNonControllingInterests	15999000000	USD
CY2014	xom	Dividends Common Stock Inc Noncontrolling Int DividendsCommonStockIncNoncontrollingInt	11816000000	USD
CY2014	xom	Treasury Stock Including Non Controlling Interests TreasuryStockIncludingNonControllingInterests	13183000000	USD
CY2014Q4	xom	Petroleum Products Inventory PetroleumProductsInventory	4100000000	USD
CY2014Q4	xom	Crude Oil Inventory CrudeOilInventory	4600000000	USD
CY2014Q4	xom	Chemical Products Inventory ChemicalProductsInventory	2900000000	USD
CY2013Q4	xom	Petroleum Products Inventory PetroleumProductsInventory	3900000000	USD
CY2013Q4	xom	Crude Oil Inventory CrudeOilInventory	4700000000	USD
CY2013Q4	xom	Chemical Products Inventory ChemicalProductsInventory	2900000000	USD
CY2014	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	971000000	USD
CY2014	us-gaap	Effect Of Lifo Inventory Liquidation On Income EffectOfLIFOInventoryLiquidationOnIncome	187000000	USD
CY2014Q4	us-gaap	Excess Of Replacement Or Current Costs Over Stated Lifo Value ExcessOfReplacementOrCurrentCostsOverStatedLIFOValue	10600000000	USD
CY2013	us-gaap	Effect Of Lifo Inventory Liquidation On Income EffectOfLIFOInventoryLiquidationOnIncome	282000000	USD
CY2013	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	1044000000	USD
CY2013Q4	us-gaap	Excess Of Replacement Or Current Costs Over Stated Lifo Value ExcessOfReplacementOrCurrentCostsOverStatedLIFOValue	21200000000	USD
CY2012	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	1042000000	USD
CY2012	us-gaap	Effect Of Lifo Inventory Liquidation On Income EffectOfLIFOInventoryLiquidationOnIncome	328000000	USD
CY2013	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	155000000	USD
CY2012	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	159000000	USD
CY2014	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	-225000000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax	292000000	USD
CY2014	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	2009000000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	1873000000	USD
CY2013	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	-1540000000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax	218000000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	-2118000000	USD
CY2012	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	1619000000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	157000000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax	-236000000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax	1226000000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax	460000000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax	796000000	USD
CY2014	us-gaap	Interest Paid InterestPaid	380000000	USD
CY2014	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	18085000000	USD
CY2013	us-gaap	Interest Paid InterestPaid	426000000	USD
CY2013	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	25066000000	USD
CY2012	us-gaap	Interest Paid InterestPaid	555000000	USD
CY2012	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	24349000000	USD
CY2014Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	18541000000	USD
CY2014Q4	us-gaap	Notes And Loans Receivable Net Current NotesAndLoansReceivableNetCurrent	9468000000	USD
CY2014Q4	us-gaap	Short Term Bank Loans And Notes Payable ShortTermBankLoansAndNotesPayable	473000000	USD
CY2014Q4	us-gaap	Commercial Paper CommercialPaper	16225000000	USD
CY2014Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	770000000	USD
CY2014Q4	us-gaap	Accounts Payable Trade Current AccountsPayableTradeCurrent	25286000000	USD
CY2014Q4	xom	Payables To Equity Companies PayablesToEquityCompanies	6589000000	USD
CY2014Q4	us-gaap	Accrual For Taxes Other Than Income Taxes Current AccrualForTaxesOtherThanIncomeTaxesCurrent	3290000000	USD
CY2014Q4	us-gaap	Accounts Payable Other Current AccountsPayableOtherCurrent	7062000000	USD
CY2013Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	25993000000	USD
CY2013Q4	us-gaap	Notes And Loans Receivable Net Current NotesAndLoansReceivableNetCurrent	7159000000	USD
CY2013Q4	us-gaap	Short Term Bank Loans And Notes Payable ShortTermBankLoansAndNotesPayable	723000000	USD
CY2013Q4	us-gaap	Commercial Paper CommercialPaper	14051000000	USD
CY2013Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	1034000000	USD
CY2013Q4	us-gaap	Accounts Payable Trade Current AccountsPayableTradeCurrent	30920000000	USD
CY2013Q4	xom	Payables To Equity Companies PayablesToEquityCompanies	6587000000	USD
CY2013Q4	us-gaap	Accrual For Taxes Other Than Income Taxes Current AccrualForTaxesOtherThanIncomeTaxesCurrent	3883000000	USD
CY2013Q4	us-gaap	Accounts Payable Other Current AccountsPayableOtherCurrent	6695000000	USD
CY2013Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	112000000	USD
CY2013Q4	us-gaap	Allowance For Notes And Loans Receivable Current AllowanceForNotesAndLoansReceivableCurrent	28000000	USD
CY2014Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	113000000	USD
CY2014Q4	us-gaap	Allowance For Notes And Loans Receivable Current AllowanceForNotesAndLoansReceivableCurrent	48000000	USD
CY2014	xom	Share Of Equity Company Sales Revenues From Consolidated Companies ShareOfEquityCompanySalesRevenuesFromConsolidatedCompanies	0.14	pure
CY2013	xom	Share Of Equity Company Sales Revenues From Consolidated Companies ShareOfEquityCompanySalesRevenuesFromConsolidatedCompanies	0.13	pure
CY2012	xom	Share Of Equity Company Sales Revenues From Consolidated Companies ShareOfEquityCompanySalesRevenuesFromConsolidatedCompanies	0.16	pure
CY2014Q4	us-gaap	Equity Method Investments EquityMethodInvestments	20017000000	USD
CY2014Q4	xom	Advances To Equity Method Companies AdvancesToEquityMethodCompanies	9818000000	USD
CY2014Q4	xom	Total Investments And Advances To Equity Method Companies TotalInvestmentsAndAdvancesToEquityMethodCompanies	29835000000	USD
CY2014Q4	us-gaap	Cost Method Investments CostMethodInvestments	526000000	USD
CY2013Q4	us-gaap	Equity Method Investments EquityMethodInvestments	19619000000	USD
CY2013Q4	xom	Advances To Equity Method Companies AdvancesToEquityMethodCompanies	10476000000	USD
CY2013Q4	xom	Total Investments And Advances To Equity Method Companies TotalInvestmentsAndAdvancesToEquityMethodCompanies	30095000000	USD
CY2013Q4	us-gaap	Cost Method Investments CostMethodInvestments	115000000	USD
CY2014Q4	us-gaap	Long Term Accounts Notes And Loans Receivable Net Noncurrent LongTermAccountsNotesAndLoansReceivableNetNoncurrent	4878000000	USD
CY2013Q4	us-gaap	Long Term Accounts Notes And Loans Receivable Net Noncurrent LongTermAccountsNotesAndLoansReceivableNetNoncurrent	6118000000	USD
CY2013Q4	xom	Reserves For Long Term Receivables And Miscellaneous Investments ReservesForLongTermReceivablesAndMiscellaneousInvestments	2938000000	USD
CY2014Q4	xom	Reserves For Long Term Receivables And Miscellaneous Investments ReservesForLongTermReceivablesAndMiscellaneousInvestments	2662000000	USD
CY2014Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	446789000000	USD
CY2013Q4	xom	Other Capitalized Exploratory Well Costs OtherCapitalizedExploratoryWellCosts	-106000000	USD
CY2013	us-gaap	Capitalized Exploratory Well Cost Charged To Expense CapitalizedExploratoryWellCostChargedToExpense	52000000	USD
CY2013	us-gaap	Reclassification To Well Facilities And Equipment Based On Determination Of Proved Reserves ReclassificationToWellFacilitiesAndEquipmentBasedOnDeterminationOfProvedReserves	107000000	USD
CY2012Q4	us-gaap	Capitalized Exploratory Well Costs CapitalizedExploratoryWellCosts	2679000000	USD
CY2012	us-gaap	Capitalized Exploratory Well Cost Charged To Expense CapitalizedExploratoryWellCostChargedToExpense	95000000	USD
CY2013Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	434517000000	USD
CY2014Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	194121000000	USD
CY2013Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	190867000000	USD
CY2014	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	344000000	USD
CY2013	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	309000000	USD
CY2012	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	506000000	USD
CY2014	xom	Asset Retirement Obligation Reduction Due To Property Sales AssetRetirementObligationReductionDueToPropertySales	151000000	USD
CY2014	us-gaap	Asset Retirement Obligation Liabilities Settled AssetRetirementObligationLiabilitiesSettled	724000000	USD
CY2014	us-gaap	Asset Retirement Obligation Liabilities Incurred AssetRetirementObligationLiabilitiesIncurred	122000000	USD
CY2014	us-gaap	Asset Retirement Obligation Foreign Currency Translation AssetRetirementObligationForeignCurrencyTranslation	-908000000	USD
CY2014	us-gaap	Asset Retirement Obligation Revision Of Estimate AssetRetirementObligationRevisionOfEstimate	1226000000	USD
CY2014Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	13424000000	USD
CY2013Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	12988000000	USD
CY2013	us-gaap	Asset Retirement Obligation Foreign Currency Translation AssetRetirementObligationForeignCurrencyTranslation	-344000000	USD
CY2013	us-gaap	Asset Retirement Obligation Liabilities Incurred AssetRetirementObligationLiabilitiesIncurred	603000000	USD
CY2013	us-gaap	Asset Retirement Obligation Liabilities Settled AssetRetirementObligationLiabilitiesSettled	664000000	USD
CY2013	us-gaap	Asset Retirement Obligation Revision Of Estimate AssetRetirementObligationRevisionOfEstimate	732000000	USD
CY2013	xom	Asset Retirement Obligation Reduction Due To Property Sales AssetRetirementObligationReductionDueToPropertySales	97000000	USD
CY2014	us-gaap	Asset Retirement Obligation Accretion Expense AssetRetirementObligationAccretionExpense	871000000	USD
CY2013	us-gaap	Asset Retirement Obligation Accretion Expense AssetRetirementObligationAccretionExpense	785000000	USD
CY2012Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	11973000000	USD
CY2013Q4	us-gaap	Capitalized Exploratory Well Costs CapitalizedExploratoryWellCosts	2707000000	USD
CY2014	us-gaap	Capitalized Exploratory Well Cost Additions Pending Determination Of Proved Reserves CapitalizedExploratoryWellCostAdditionsPendingDeterminationOfProvedReserves	1095000000	USD
CY2014	us-gaap	Capitalized Exploratory Well Cost Charged To Expense CapitalizedExploratoryWellCostChargedToExpense	28000000	USD
CY2014	us-gaap	Reclassification To Well Facilities And Equipment Based On Determination Of Proved Reserves ReclassificationToWellFacilitiesAndEquipmentBasedOnDeterminationOfProvedReserves	160000000	USD
CY2014Q4	xom	Other Capitalized Exploratory Well Costs OtherCapitalizedExploratoryWellCosts	-27000000	USD
CY2014Q4	us-gaap	Capitalized Exploratory Well Costs CapitalizedExploratoryWellCosts	3587000000	USD
CY2013	us-gaap	Capitalized Exploratory Well Cost Additions Pending Determination Of Proved Reserves CapitalizedExploratoryWellCostAdditionsPendingDeterminationOfProvedReserves	293000000	USD
CY2012	us-gaap	Reclassification To Well Facilities And Equipment Based On Determination Of Proved Reserves ReclassificationToWellFacilitiesAndEquipmentBasedOnDeterminationOfProvedReserves	631000000	USD
CY2012Q4	xom	Other Capitalized Exploratory Well Costs OtherCapitalizedExploratoryWellCosts	-344000000	USD
CY2012	us-gaap	Capitalized Exploratory Well Cost Additions Pending Determination Of Proved Reserves CapitalizedExploratoryWellCostAdditionsPendingDeterminationOfProvedReserves	868000000	USD
CY2011Q4	us-gaap	Capitalized Exploratory Well Costs CapitalizedExploratoryWellCosts	2881000000	USD
CY2014Q4	xom	Capitalized Exploratory Well Costs Attributable To Equity Companies CapitalizedExploratoryWellCostsAttributableToEquityCompanies	645000000	USD
CY2013Q4	xom	Capitalized Exploratory Well Costs Attributable To Equity Companies CapitalizedExploratoryWellCostsAttributableToEquityCompanies	13000000	USD
CY2014Q4	us-gaap	Operating Leases Future Minimum Payments Due In Five Years OperatingLeasesFutureMinimumPaymentsDueInFiveYears	312000000	USD
CY2014Q4	us-gaap	Operating Leases Future Minimum Payments Due Thereafter OperatingLeasesFutureMinimumPaymentsDueThereafter	1296000000	USD
CY2014Q4	us-gaap	Operating Leases Future Minimum Payments Due OperatingLeasesFutureMinimumPaymentsDue	6213000000	USD
CY2014Q4	us-gaap	Operating Leases Future Minimum Payments Receivable Current OperatingLeasesFutureMinimumPaymentsReceivableCurrent	31000000	USD
CY2014Q4	us-gaap	Operating Leases Future Minimum Payments Receivable In Two Years OperatingLeasesFutureMinimumPaymentsReceivableInTwoYears	7000000	USD
CY2014Q4	us-gaap	Capitalized Exploratory Well Costs That Have Been Capitalized For Period Of One Year Or Less CapitalizedExploratoryWellCostsThatHaveBeenCapitalizedForPeriodOfOneYearOrLess	1095000000	USD
CY2013Q4	us-gaap	Capitalized Exploratory Well Costs That Have Been Capitalized For Period Of One Year Or Less CapitalizedExploratoryWellCostsThatHaveBeenCapitalizedForPeriodOfOneYearOrLess	293000000	USD
CY2012Q4	us-gaap	Capitalized Exploratory Well Costs That Have Been Capitalized For Period Of One Year Or Less CapitalizedExploratoryWellCostsThatHaveBeenCapitalizedForPeriodOfOneYearOrLess	866000000	USD
CY2014	xom	Number Of Projects With Capitalized Well Drilled In Preceding Twelve Months NumberOfProjectsWithCapitalizedWellDrilledInPrecedingTwelveMonths	8	pure
CY2014	xom	Number Of Projects With Capitalized Well Drilled Greater Than Twelve Months As Of Year End NumberOfProjectsWithCapitalizedWellDrilledGreaterThanTwelveMonthsAsOfYearEnd	53	pure
CY2014	xom	Total Number Of Projects TotalNumberOfProjects	61	pure
CY2013	xom	Number Of Projects With Capitalized Well Drilled In Preceding Twelve Months NumberOfProjectsWithCapitalizedWellDrilledInPrecedingTwelveMonths	8	pure
CY2013	xom	Number Of Projects With Capitalized Well Drilled Greater Than Twelve Months As Of Year End NumberOfProjectsWithCapitalizedWellDrilledGreaterThanTwelveMonthsAsOfYearEnd	50	pure
CY2013	xom	Total Number Of Projects TotalNumberOfProjects	58	pure
CY2012	xom	Number Of Projects With Capitalized Well Drilled In Preceding Twelve Months NumberOfProjectsWithCapitalizedWellDrilledInPrecedingTwelveMonths	10	pure
CY2012	xom	Number Of Projects With Capitalized Well Drilled Greater Than Twelve Months As Of Year End NumberOfProjectsWithCapitalizedWellDrilledGreaterThanTwelveMonthsAsOfYearEnd	45	pure
CY2012	xom	Total Number Of Projects TotalNumberOfProjects	55	pure
CY2014	xom	Number Of Projects With Capitalized Well Drilled In Preceding Twelve Months Or Exploration Planned In Next Two Years As Of Year End NumberOfProjectsWithCapitalizedWellDrilledInPrecedingTwelveMonthsOrExplorationPlannedInNextTwoYearsAsOfYearEnd	15	pure
CY2014	xom	Number Of Projects With Capitalized Well Exploration Completed As Of Year End Progressing Toward Development NumberOfProjectsWithCapitalizedWellExplorationCompletedAsOfYearEndProgressingTowardDevelopment	38	pure
CY2014Q4	xom	Minimum Lease Commitments Non Cancelable Operating Leases MinimumLeaseCommitmentsNonCancelableOperatingLeases	6213000000	USD
CY2014	xom	Minimum Sublease Rental Income Noncancelable Operating Leases MinimumSubleaseRentalIncomeNoncancelableOperatingLeases	70000000	USD
CY2014Q4	us-gaap	Operating Leases Future Minimum Payments Due In Two Years OperatingLeasesFutureMinimumPaymentsDueInTwoYears	1379000000	USD
CY2014Q4	us-gaap	Operating Leases Future Minimum Payments Due Current OperatingLeasesFutureMinimumPaymentsDueCurrent	2034000000	USD
CY2014Q4	us-gaap	Operating Leases Future Minimum Payments Due In Three Years OperatingLeasesFutureMinimumPaymentsDueInThreeYears	774000000	USD
CY2014Q4	us-gaap	Operating Leases Future Minimum Payments Due In Four Years OperatingLeasesFutureMinimumPaymentsDueInFourYears	418000000	USD
CY2014Q4	us-gaap	Operating Leases Future Minimum Payments Receivable In Three Years OperatingLeasesFutureMinimumPaymentsReceivableInThreeYears	6000000	USD
CY2014Q4	us-gaap	Operating Leases Future Minimum Payments Receivable In Four Years OperatingLeasesFutureMinimumPaymentsReceivableInFourYears	3000000	USD
CY2014Q4	us-gaap	Operating Leases Future Minimum Payments Receivable In Five Years OperatingLeasesFutureMinimumPaymentsReceivableInFiveYears	3000000	USD
CY2014Q4	us-gaap	Operating Leases Future Minimum Payments Receivable Thereafter OperatingLeasesFutureMinimumPaymentsReceivableThereafter	20000000	USD
CY2014Q4	us-gaap	Operating Leases Future Minimum Payments Receivable OperatingLeasesFutureMinimumPaymentsReceivable	70000000	USD
CY2014	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	4077000000	USD
CY2014	us-gaap	Operating Leases Income Statement Sublease Revenue OperatingLeasesIncomeStatementSubleaseRevenue	52000000	USD
CY2014	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	4025000000	USD
CY2013	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	3841000000	USD
CY2012	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	3851000000	USD
CY2013	us-gaap	Operating Leases Income Statement Sublease Revenue OperatingLeasesIncomeStatementSubleaseRevenue	44000000	USD
CY2012	us-gaap	Operating Leases Income Statement Sublease Revenue OperatingLeasesIncomeStatementSubleaseRevenue	44000000	USD
CY2013	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	3797000000	USD
CY2012	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	3807000000	USD
CY2014	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	4282000000	shares
CY2012	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	4628000000	shares
CY2013	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	4419000000	shares
CY2014	us-gaap	Gain Loss On Derivative Instruments Net Pretax GainLossOnDerivativeInstrumentsNetPretax	110000000	USD
CY2013	us-gaap	Gain Loss On Derivative Instruments Net Pretax GainLossOnDerivativeInstrumentsNetPretax	-7000000	USD
CY2012	us-gaap	Gain Loss On Derivative Instruments Net Pretax GainLossOnDerivativeInstrumentsNetPretax	-23000000	USD
CY2013Q4	us-gaap	Debt Instrument Fair Value DebtInstrumentFairValue	6800000000	USD
CY2014Q4	us-gaap	Derivative Fair Value Of Derivative Asset Amount Not Offset Against Collateral DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral	75000000	USD
CY2014Q4	us-gaap	Debt Instrument Fair Value DebtInstrumentFairValue	11700000000	USD
CY2014Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	11300000000	USD
CY2013Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	6500000000	USD
CY2013Q4	us-gaap	Derivative Fair Value Of Derivative Asset Amount Not Offset Against Collateral DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral	1000000	USD
CY2014Q4	xom	Long Term Debt In Us Dollars LongTermDebtInUsDollars	11341000000	USD
CY2014Q4	xom	Us Dollar Equivalent At Year End Exchange Rates Of Amounts Payable In Foreign Currencies UsDollarEquivalentAtYearEndExchangeRatesOfAmountsPayableInForeignCurrencies	312000000	USD
CY2014Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	537000000	USD
CY2014Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	2993000000	USD
CY2014Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	872000000	USD
CY2014Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive	2353000000	USD
CY2014Q4	us-gaap	Debt Instrument Unamortized Premium DebtInstrumentUnamortizedPremium	219000000	USD
CY2013Q4	us-gaap	Debt Instrument Unamortized Premium DebtInstrumentUnamortizedPremium	271000000	USD
CY2014	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	95.2
CY2013	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	94.47
CY2012	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	87.24
CY2014	xom	Share Based Compensation Arrangement By Share Based Payment Award Restricted Stock And Units Settled In Stock ShareBasedCompensationArrangementByShareBasedPaymentAwardRestrictedStockAndUnitsSettledInStock	858000000	USD
CY2014	xom	Share Based Compensation Arrangements By Share Based Payment Units Settled In Cash ShareBasedCompensationArrangementsByShareBasedPaymentUnitsSettledInCash	73000000	USD
CY2014	us-gaap	Stock Granted During Period Value Sharebased Compensation StockGrantedDuringPeriodValueSharebasedCompensation	931000000	USD
CY2013	xom	Share Based Compensation Arrangement By Share Based Payment Award Restricted Stock And Units Settled In Stock ShareBasedCompensationArrangementByShareBasedPaymentAwardRestrictedStockAndUnitsSettledInStock	843000000	USD
CY2013	xom	Share Based Compensation Arrangements By Share Based Payment Units Settled In Cash ShareBasedCompensationArrangementsByShareBasedPaymentUnitsSettledInCash	76000000	USD
CY2013	us-gaap	Stock Granted During Period Value Sharebased Compensation StockGrantedDuringPeriodValueSharebasedCompensation	919000000	USD
CY2012	xom	Share Based Compensation Arrangement By Share Based Payment Award Restricted Stock And Units Settled In Stock ShareBasedCompensationArrangementByShareBasedPaymentAwardRestrictedStockAndUnitsSettledInStock	797000000	USD
CY2012	xom	Share Based Compensation Arrangements By Share Based Payment Units Settled In Cash ShareBasedCompensationArrangementsByShareBasedPaymentUnitsSettledInCash	77000000	USD
CY2012	us-gaap	Stock Granted During Period Value Sharebased Compensation StockGrantedDuringPeriodValueSharebasedCompensation	874000000	USD
CY2014Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Authorized ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized	220000000	shares
CY2014Q4	xom	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Authorized Remaining ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorizedRemaining	108000000	shares
CY2014	xom	Share Based Compensation Arrangement By Share Based Payment Award Minimum Percentage Of Market Value At Date Of Grant ShareBasedCompensationArrangementByShareBasedPaymentAwardMinimumPercentageOfMarketValueAtDateOfGrant	1	pure
CY2014	xom	Minimum Ownership Of Affiliate Needed For Awards MinimumOwnershipOfAffiliateNeededForAwards	0.5	pure
CY2014Q4	us-gaap	Guarantee Obligations Current Carrying Value GuaranteeObligationsCurrentCarryingValue	10449000000	USD
CY2014Q4	us-gaap	Unrecorded Unconditional Purchase Obligation Balance On First Anniversary UnrecordedUnconditionalPurchaseObligationBalanceOnFirstAnniversary	150000000	USD
CY2014Q4	xom	Unconditional Purchase Obligation Due After One Year And Within Five Years UnconditionalPurchaseObligationDueAfterOneYearAndWithinFiveYears	608000000	USD
CY2014Q4	us-gaap	Unrecorded Unconditional Purchase Obligation Due After Five Years UnrecordedUnconditionalPurchaseObligationDueAfterFiveYears	337000000	USD
CY2014Q4	us-gaap	Unrecorded Unconditional Purchase Obligation Balance Sheet Amount UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount	1095000000	USD
CY2014Q4	xom	Present Value Unconditional Purchase Obligation PresentValueUnconditionalPurchaseObligation	927000000	USD
CY2014Q4	us-gaap	Unrecorded Unconditional Purchase Obligation Imputed Interest UnrecordedUnconditionalPurchaseObligationImputedInterest	168000000	USD
CY2014	us-gaap	Defined Benefit Plan Gross Prescription Drug Subsidy Receipts Received DefinedBenefitPlanGrossPrescriptionDrugSubsidyReceiptsReceived	21000000	USD
CY2013	us-gaap	Defined Benefit Plan Gross Prescription Drug Subsidy Receipts Received DefinedBenefitPlanGrossPrescriptionDrugSubsidyReceiptsReceived	20000000	USD
CY2014	us-gaap	Defined Benefit Plan Ultimate Health Care Cost Trend Rate DefinedBenefitPlanUltimateHealthCareCostTrendRate	0.045	pure
CY2014Q4	us-gaap	Defined Benefit Plan Year That Rate Reaches Ultimate Trend Rate DefinedBenefitPlanYearThatRateReachesUltimateTrendRate	2016
CY2014	us-gaap	Defined Benefit Plan Effect Of One Percentage Point Increase On Accumulated Postretirement Benefit Obligation DefinedBenefitPlanEffectOfOnePercentagePointIncreaseOnAccumulatedPostretirementBenefitObligation	1070000000	USD
CY2014	us-gaap	Defined Benefit Plan Effect Of One Percentage Point Increase On Service And Interest Cost Components DefinedBenefitPlanEffectOfOnePercentagePointIncreaseOnServiceAndInterestCostComponents	91000000	USD
CY2014	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	393000000	USD
CY2013	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	392000000	USD
CY2012	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	382000000	USD
CY2014	us-gaap	Defined Benefit Plan Effect Of One Percentage Point Decrease On Accumulated Postretirement Benefit Obligation1 DefinedBenefitPlanEffectOfOnePercentagePointDecreaseOnAccumulatedPostretirementBenefitObligation1	844000000	USD
CY2014	us-gaap	Defined Benefit Plan Effect Of One Percentage Point Decrease On Service And Interest Cost Components1 DefinedBenefitPlanEffectOfOnePercentagePointDecreaseOnServiceAndInterestCostComponents1	69000000	USD
CY2013	xom	Other Comprehensive Income Loss Charge Credit To Equity Of Noncontrolling Interests OtherComprehensiveIncomeLossChargeCreditToEquityOfNoncontrollingInterests	-279000000	USD
CY2013	xom	Other Comprehensive Income Defined Benefit Plans Adjustment Net Of Tax Including Portion Attributable To Noncontrolling Interest OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	4994000000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	-2336000000	USD
CY2013	us-gaap	Other Comprehensive Income Defined Benefit Plans Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent	4715000000	USD
CY2013	xom	Other Comprehensive Income Loss Charge Credit To Investment In Equity Companies OtherComprehensiveIncomeLossChargeCreditToInvestmentInEquityCompanies	49000000	USD
CY2012	xom	Other Comprehensive Income Defined Benefit Plans Adjustment Net Of Tax Including Portion Attributable To Noncontrolling Interest OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	-1179000000	USD
CY2012	us-gaap	Other Comprehensive Income Defined Benefit Plans Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent	-1303000000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	393000000	USD
CY2012	xom	Other Comprehensive Income Loss Charge Credit To Equity Of Noncontrolling Interests OtherComprehensiveIncomeLossChargeCreditToEquityOfNoncontrollingInterests	-124000000	USD
CY2012	xom	Other Comprehensive Income Loss Charge Credit To Investment In Equity Companies OtherComprehensiveIncomeLossChargeCreditToInvestmentInEquityCompanies	-49000000	USD
CY2014	us-gaap	Other Comprehensive Income Defined Benefit Plans Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent	-3066000000	USD
CY2014	xom	Other Comprehensive Income Defined Benefit Plans Adjustment Net Of Tax Including Portion Attributable To Noncontrolling Interest OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	-3151000000	USD
CY2014	xom	Other Comprehensive Income Loss Charge Credit To Investment In Equity Companies OtherComprehensiveIncomeLossChargeCreditToInvestmentInEquityCompanies	-81000000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	1549000000	USD
CY2014	xom	Other Comprehensive Income Loss Charge Credit To Equity Of Noncontrolling Interests OtherComprehensiveIncomeLossChargeCreditToEquityOfNoncontrollingInterests	85000000	USD
CY2014	us-gaap	Defined Benefit Plan Amounts Recognized In Other Comprehensive Income Loss Net Gain Loss Before Tax DefinedBenefitPlanAmountsRecognizedInOtherComprehensiveIncomeLossNetGainLossBeforeTax	-4619000000	USD
CY2013	us-gaap	Defined Benefit Plan Amounts Recognized In Other Comprehensive Income Loss Net Gain Loss Before Tax DefinedBenefitPlanAmountsRecognizedInOtherComprehensiveIncomeLossNetGainLossBeforeTax	7281000000	USD
CY2012	us-gaap	Defined Benefit Plan Amounts Recognized In Other Comprehensive Income Loss Net Gain Loss Before Tax DefinedBenefitPlanAmountsRecognizedInOtherComprehensiveIncomeLossNetGainLossBeforeTax	-1523000000	USD
CY2014	us-gaap	Interest Expense Other InterestExpenseOther	129000000	USD
CY2013	us-gaap	Interest Expense Other InterestExpenseOther	-123000000	USD
CY2012	us-gaap	Interest Expense Other InterestExpenseOther	202000000	USD
CY2014	us-gaap	Investment Income Interest InvestmentIncomeInterest	75000000	USD
CY2013	us-gaap	Investment Income Interest InvestmentIncomeInterest	87000000	USD
CY2012	us-gaap	Investment Income Interest InvestmentIncomeInterest	117000000	USD
CY2012Q4	us-gaap	Equity Method Investments EquityMethodInvestments	18530000000	USD
CY2012Q4	us-gaap	Assets Assets	333795000000	USD
CY2014	us-gaap	Property Plant And Equipment Additions PropertyPlantAndEquipmentAdditions	34256000000	USD
CY2013	us-gaap	Property Plant And Equipment Additions PropertyPlantAndEquipmentAdditions	37741000000	USD
CY2012	us-gaap	Property Plant And Equipment Additions PropertyPlantAndEquipmentAdditions	35179000000	USD
CY2014	us-gaap	Revenues Revenues	394105000000	USD
CY2013	us-gaap	Revenues Revenues	420836000000	USD
CY2012	us-gaap	Revenues Revenues	451509000000	USD
CY2012Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	226949000000	USD
CY2014	xom	Total Federal And Non Us Tax Expense Benefit TotalFederalAndNonUsTaxExpenseBenefit	18514000000	USD
CY2014	us-gaap	State And Local Income Tax Expense Benefit Continuing Operations StateAndLocalIncomeTaxExpenseBenefitContinuingOperations	-499000000	USD
CY2014	xom	Federal Income Tax Expense Benefit On Foreign Operations FederalIncomeTaxExpenseBenefitOnForeignOperations	5000000	USD
CY2014	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	2298000000	USD
CY2014	xom	Taxes Included In Production And Manufacturing Expenses TaxesIncludedInProductionAndManufacturingExpenses	2633000000	USD
CY2014	xom	Taxes Included In Selling General And Administrative Expenses TaxesIncludedInSellingGeneralAndAdministrativeExpenses	596000000	USD
CY2014	xom	Total Other Taxes And Duties TotalOtherTaxesAndDuties	35515000000	USD
CY2014	xom	Total Income Sales Based And Other Taxes TotalIncomeSalesBasedAndOtherTaxes	82872000000	USD
CY2013	xom	Total Income Sales Based And Other Taxes TotalIncomeSalesBasedAndOtherTaxes	91248000000	USD
CY2013	xom	Total Federal And Non Us Tax Expense Benefit TotalFederalAndNonUsTaxExpenseBenefit	23866000000	USD
CY2013	xom	Taxes Included In Production And Manufacturing Expenses TaxesIncludedInProductionAndManufacturingExpenses	2500000000	USD
CY2013	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	641000000	USD
CY2013	xom	Total Other Taxes And Duties TotalOtherTaxesAndDuties	36396000000	USD
CY2013	xom	Taxes Included In Selling General And Administrative Expenses TaxesIncludedInSellingGeneralAndAdministrativeExpenses	666000000	USD
CY2013	xom	Federal Income Tax Expense Benefit On Foreign Operations FederalIncomeTaxExpenseBenefitOnForeignOperations	37000000	USD
CY2013	us-gaap	State And Local Income Tax Expense Benefit Continuing Operations StateAndLocalIncomeTaxExpenseBenefitContinuingOperations	397000000	USD
CY2012	xom	Total Other Taxes And Duties TotalOtherTaxesAndDuties	38857000000	USD
CY2012	xom	Total Federal And Non Us Tax Expense Benefit TotalFederalAndNonUsTaxExpenseBenefit	30443000000	USD
CY2012	xom	Federal Income Tax Expense Benefit On Foreign Operations FederalIncomeTaxExpenseBenefitOnForeignOperations	89000000	USD
CY2012	us-gaap	State And Local Income Tax Expense Benefit Continuing Operations StateAndLocalIncomeTaxExpenseBenefitContinuingOperations	602000000	USD
CY2012	xom	Taxes Included In Production And Manufacturing Expenses TaxesIncludedInProductionAndManufacturingExpenses	2550000000	USD
CY2012	xom	Taxes Included In Selling General And Administrative Expenses TaxesIncludedInSellingGeneralAndAdministrativeExpenses	749000000	USD
CY2012	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	2913000000	USD
CY2012	xom	Total Income Sales Based And Other Taxes TotalIncomeSalesBasedAndOtherTaxes	102311000000	USD
CY2014	xom	Worldwide Current Tax Expense Benefit WorldwideCurrentTaxExpenseBenefit	16211000000	USD
CY2013	xom	Worldwide Current Tax Expense Benefit WorldwideCurrentTaxExpenseBenefit	23188000000	USD
CY2012	xom	Worldwide Current Tax Expense Benefit WorldwideCurrentTaxExpenseBenefit	27441000000	USD
CY2014	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.35	pure
CY2014Q4	us-gaap	Undistributed Earnings Of Foreign Subsidiaries UndistributedEarningsOfForeignSubsidiaries	51000000000	USD
CY2014	us-gaap	Income Tax Expense Benefit Continuing Operations Adjustment Of Deferred Tax Asset Liability IncomeTaxExpenseBenefitContinuingOperationsAdjustmentOfDeferredTaxAssetLiability	-40000000	USD
CY2014	xom	Percentage Increase In Unrecognized Tax Benefits PercentageIncreaseInUnrecognizedTaxBenefits	0.3	pure
CY2014Q4	us-gaap	Income Tax Examination Interest Accrued IncomeTaxExaminationInterestAccrued	205000000	USD
CY2013Q4	us-gaap	Income Tax Examination Interest Accrued IncomeTaxExaminationInterestAccrued	156000000	USD
CY2013	us-gaap	Income Tax Expense Benefit Continuing Operations Adjustment Of Deferred Tax Asset Liability IncomeTaxExpenseBenefitContinuingOperationsAdjustmentOfDeferredTaxAssetLiability	-310000000	USD
CY2013	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.35	pure
CY2012	us-gaap	Income Tax Expense Benefit Continuing Operations Adjustment Of Deferred Tax Asset Liability IncomeTaxExpenseBenefitContinuingOperationsAdjustmentOfDeferredTaxAssetLiability	244000000	USD
CY2012	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.35	pure
CY2012	us-gaap	Income Tax Examination Interest Expense IncomeTaxExaminationInterestExpense	46000000	USD
CY2014	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	9080000000	USD
CY2014	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	42550000000	USD
CY2014	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	18071000000	USD
CY2014	us-gaap	Income Tax Reconciliation Equity In Earnings Losses Of Unconsolidated Subsidiary IncomeTaxReconciliationEquityInEarningsLossesOfUnconsolidatedSubsidiary	4663000000	USD
CY2014	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	5442000000	USD
CY2014	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	-324000000	USD
CY2014	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-516000000	USD
CY2014	xom	Share Of Equity Company Income Taxes ShareOfEquityCompanyIncomeTaxes	5678000000	USD
CY2014	xom	Total Consolidated Company And Share Of Equity Company Income Taxes TotalConsolidatedCompanyAndShareOfEquityCompanyIncomeTaxes	23693000000	USD
CY2014	xom	Results Of Operations Income Before Consolidate And Equity Company Income Taxes ResultsOfOperationsIncomeBeforeConsolidateAndEquityCompanyIncomeTaxes	57308000000	USD
CY2013	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-1885000000	USD
CY2013	xom	Results Of Operations Income Before Consolidate And Equity Company Income Taxes ResultsOfOperationsIncomeBeforeConsolidateAndEquityCompanyIncomeTaxes	63772000000	USD
CY2013	xom	Share Of Equity Company Income Taxes ShareOfEquityCompanyIncomeTaxes	6061000000	USD
CY2013	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	258000000	USD
CY2013	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	47965000000	USD
CY2013	xom	Total Consolidated Company And Share Of Equity Company Income Taxes TotalConsolidatedCompanyAndShareOfEquityCompanyIncomeTaxes	30324000000	USD
CY2013	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	9746000000	USD
CY2013	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	10528000000	USD
CY2013	us-gaap	Income Tax Reconciliation Equity In Earnings Losses Of Unconsolidated Subsidiary IncomeTaxReconciliationEquityInEarningsLossesOfUnconsolidatedSubsidiary	4874000000	USD
CY2013	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	20199000000	USD
CY2012	xom	Results Of Operations Income Before Consolidate And Equity Company Income Taxes ResultsOfOperationsIncomeBeforeConsolidateAndEquityCompanyIncomeTaxes	84585000000	USD
CY2012	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	391000000	USD
CY2012	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	11222000000	USD
CY2012	xom	Share Of Equity Company Income Taxes ShareOfEquityCompanyIncomeTaxes	5859000000	USD
CY2012	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	27554000000	USD
CY2012	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	67504000000	USD
CY2012	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-169000000	USD
CY2012	us-gaap	Income Tax Reconciliation Equity In Earnings Losses Of Unconsolidated Subsidiary IncomeTaxReconciliationEquityInEarningsLossesOfUnconsolidatedSubsidiary	5254000000	USD
CY2012	xom	Total Consolidated Company And Share Of Equity Company Income Taxes TotalConsolidatedCompanyAndShareOfEquityCompanyIncomeTaxes	36904000000	USD
CY2012	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	8434000000	USD
CY2014	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.41	pure
CY2013	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.48	pure
CY2012	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.44	pure
CY2014Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	-33725000000	USD
CY2014Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	4359000000	USD
CY2014Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Pensions DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensions	8140000000	USD
CY2014Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Asset Retirement Obligations DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAssetRetirementObligations	6162000000	USD
CY2014Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	24847000000	USD
CY2014Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	4099000000	USD
CY2014Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	51643000000	USD
CY2014Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	6446000000	USD
CY2014Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	56002000000	USD
CY2014Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	2570000000	USD
CY2013Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	6246000000	USD
CY2013Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Pensions DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensions	6573000000	USD
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CY2014	dei	Amendment Flag AmendmentFlag	false
CY2014	dei	Document Period End Date DocumentPeriodEndDate	2014-12-31
CY2014	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2014	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2014
CY2014	dei	Trading Symbol TradingSymbol	XOM
CY2014	dei	Entity Registrant Name EntityRegistrantName	EXXON MOBIL CORP
CY2014	dei	Entity Central Index Key EntityCentralIndexKey	0000034088
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$XOM
EXXON MOBIL CORP Stock $xom

2013 Q4 Form 10-K Financial Statement

#000003408815000013 Filed on February 25, 2015

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$XOM EXXON MOBIL CORP Stock $xom

2013 Q4 Form 10-K Financial Statement

#000003408815000013 Filed on February 25, 2015

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$XOM
EXXON MOBIL CORP Stock $xom