1.0.0.3falseStatement Of Cash Flows Indirect (USD $)In Millionsfalse1$falsefalseiso4217_USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170iso4217_USD_per_sharesDividehttp://www.xbrl.org/2003/iso4217USDiso4217http://www.xbrl.org/2003/instanceshares0sharesStandardhttp://www.xbrl.org/2003/instanceshares0false2$falsefalseiso4217_USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170iso4217_USD_per_sharesDividehttp://www.xbrl.org/2003/iso4217USDiso4217http://www.xbrl.org/2003/instanceshares0sharesStandardhttp://www.xbrl.org/2003/instanceshares0false3$falsefalseiso4217_USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170iso4217_USD_per_sharesDividehttp://www.xbrl.org/2003/iso4217USDiso4217http://www.xbrl.org/2003/instanceshares0sharesStandardhttp://www.xbrl.org/2003/instanceshares053us-gaap_CashAndCashEquivalentsAtCarryingValueus-gaaptruedebitinstantmonetaryNo definition available.falsefalsefalsefalsefalsefalsetruefalsefalse1truetrue27690000002769falsefalse2truetrue25390000002539falsefalse3truetrue10220000001022falsefalseNo definition available.No authoritative reference available.false63us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstractus-gaaptruenadurationstringNo definition available.falsefalsefalsefalsefalsetruefalsefalsefalse1falsefalse00falsefalse2falsefalse00falsefalse3falsefalse00falsefalseNo definition available.false74us-gaap_NetIncomeLossus-gaaptruecreditdurationmonetaryNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalse1falsetrue902000000902falsefalse2falsetrue645000000645falsefalse3falsetrue476000000476falsefalseNo definition available.No authoritative reference available.false84us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstractus-gaaptruenadurationstringNo definition available.falsefalsefalsefalsefalsetruefalsefalsefalse1falsefalse00falsefalse2falsefalse00falsefalse3falsefalse00falsefalseNo definition available.false95us-gaap_DepreciationAndAmortizationus-gaaptruedebitdurationmonetaryNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalse1falsetrue378000000378falsefalse2falsetrue287000000287falsefalse3falsetrue246000000246falsefalseNo definition available.No authoritative reference available.false105us-gaap_ShareBasedCompensationus-gaaptruedebitdurationmonetaryNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalse1falsetrue341000000341falsefalse2falsetrue275000000275falsefalse3falsetrue185000000185falsefalseNo definition available.No authoritative reference available.false115us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesOtherus-gaaptruedebitdurationmonetaryNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalse1falsetrue103000000103falsefalse2falsetrue-24000000-24falsefalse3falsetrue90000009falsefalseNo definition available.No authoritative reference available.false125us-gaap_GainLossOnSaleOfInvestmentsus-gaaptruecreditdurationmonetaryNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalse1falsetrue-4000000-4falsefalse2falsetrue-2000000-2falsefalse3falsetrue10000001falsefalseNo definition available.No authoritative reference available.false135amzn_OtherNoncashIncomeExpenseamznfalsecreditdurationmonetaryGains and other income producing transactions that result in no cash inflows or outflows in the period in which they occur,...falsefalsefalsefalsefalsefalsefalsefalsefalse1falsetrue-15000000-15falsefalse2falsetrue-34000000-34falsefalse3falsetrue1200000012falsefalseGains and other income producing transactions that result in no cash inflows or outflows in the period in which they occur, but increase net income and thus are subtracted (removed) when calculating net cash flow from operating activities using the indirect method. Also other expenses included in net income that result in no cash inflows or outflows in the period. This element is used when there is not a more specific and appropriate element.No authoritative reference available.false145us-gaap_DeferredIncomeTaxExpenseBenefitus-gaaptruedebitdurationmonetaryNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalse1falsetrue8100000081falsefalse2falsetrue-5000000-5falsefalse3falsetrue-99000000-99falsefalseNo definition available.No authoritative reference available.false155us-gaap_ExcessTaxBenefitFromShareBasedCompensationOperatingActivitiesus-gaaptruecreditdurationmonetaryNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalse1falsetrue-105000000-105falsefalse2falsetrue-159000000-159falsefalse3falsetrue-257000000-257falsefalseNo definition available.No authoritative reference available.false164us-gaap_IncreaseDecreaseInOperatingCapitalAbstractus-gaaptruenadurationstringNo definition available.falsefalsefalsefalsefalsetruefalsefalsefalse1falsefalse00falsefalse2falsefalse00falsefalse3falsefalse00falsefalseNo definition available.false175us-gaap_IncreaseDecreaseInInventoriesus-gaaptruecreditdurationmonetaryNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalse1falsetrue-531000000-531falsefalse2falsetrue-232000000-232falsefalse3falsetrue-303000000-303falsefalseNo definition available.No authoritative reference available.false185us-gaap_IncreaseDecreaseInAccountsReceivableus-gaaptruecreditdurationmonetaryNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalse1falsetrue-481000000-481falsefalse2falsetrue-218000000-218falsefalse3falsetrue-255000000-255falsefalseNo definition available.No authoritative reference available.false195us-gaap_IncreaseDecreaseInAccountsPayableus-gaaptruedebitdurationmonetaryNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalse1falsetrue18590000001859falsefalse2falsetrue812000000812falsefalse3falsetrue928000000928falsefalseNo definition available.No authoritative reference available.false205us-gaap_IncreaseDecreaseInAccruedLiabilitiesus-gaaptruedebitdurationmonetaryNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalse1falsetrue300000000300falsefalse2falsetrue247000000247falsefalse3falsetrue429000000429falsefalseNo definition available.No authoritative reference available.false215amzn_AdditionsToUnearnedRevenueamznfalsedebitdurationmonetaryThe increase during the period in the liability reflecting services yet to be performed by the reporting entity for which...falsefalsefalsefalsefalsefalsefalsefalsefalse1falsetrue10540000001054falsefalse2falsetrue449000000449falsefalse3falsetrue244000000244falsefalseThe increase during the period in the liability reflecting services yet to be performed by the reporting entity for which cash or other forms of consideration was received.No authoritative reference available.false225amzn_AmortizationOfPreviouslyUnearnedRevenueamznfalsedebitdurationmonetaryThe decrease during the period in the liability reflecting the portion taken into income for services performed by the...falsefalsefalsefalsefalsefalsefalsefalsefalse1falsetrue-589000000-589falsefalse2falsetrue-344000000-344falsefalse3falsetrue-211000000-211falsefalseThe decrease during the period in the liability reflecting the portion taken into income for services performed by the reporting entity for which cash or other forms of consideration were previously received.No authoritative reference available.false234us-gaap_NetCashProvidedByUsedInOperatingActivitiesus-gaaptruenadurationmonetaryNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalse1falsetrue32930000003293falsefalse2falsetrue16970000001697falsefalse3falsetrue14050000001405falsefalseNo definition available.No authoritative reference available.true243us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstractus-gaaptruenadurationstringNo definition available.falsefalsefalsefalsefalsetruefalsefalsefalse1falsefalse00falsefalse2falsefalse00falsefalse3falsefalse00falsefalseNo definition available.false254us-gaap_PaymentsToAcquirePropertyPlantAndEquipmentus-gaaptruecreditdurationmonetaryNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalse1falsetrue-373000000-373falsefalse2falsetrue-333000000-333falsefalse3falsetrue-224000000-224falsefalseNo definition available.No authoritative reference available.false264us-gaap_PaymentsToAcquireBusinessesAndInterestInAffiliatesus-gaaptruecreditdurationmonetaryNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalse1falsetrue-40000000-40falsefalse2falsetrue-494000000-494falsefalse3falsetrue-75000000-75falsefalseNo definition available.No authoritative reference available.false274us-gaap_ProceedsFromSaleMaturityAndCollectionsOfInvestmentsus-gaaptruedebitdurationmonetaryNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalse1falsetrue19660000001966falsefalse2falsetrue13050000001305falsefalse3falsetrue12710000001271falsefalseNo definition available.No authoritative reference available.false284us-gaap_PaymentsToAcquireInvestmentsus-gaaptruecreditdurationmonetaryNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalse1falsetrue-3890000000-3890falsefalse2falsetrue-1677000000-1677falsefalse3falsetrue-930000000-930falsefalseNo definition available.No authoritative reference available.false294us-gaap_NetCashProvidedByUsedInInvestingActivitiesus-gaaptruedebitdurationmonetaryNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalse1falsetrue-2337000000-2337falsefalse2falsetrue-1199000000-1199falsefalse3falsetrue4200000042falsefalseNo definition available.No authoritative reference available.true303us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstractus-gaaptruenadurationstringNo definition available.falsefalsefalsefalsefalsetruefalsefalsefalse1falsefalse00falsefalse2falsefalse00falsefalse3falsefalse00falsefalseNo definition available.false314us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivitiesus-gaaptruedebitdurationmonetaryNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalse1falsetrue105000000105falsefalse2falsetrue159000000159falsefalse3falsetrue257000000257falsefalseNo definition available.No authoritative reference available.false324us-gaap_PaymentsForRepurchaseOfCommonStockus-gaaptruecreditdurationmonetaryNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalse1falsetrue00falsefalse2falsetrue-100000000-100falsefalse3falsetrue-248000000-248falsefalseNo definition available.No authoritative reference available.false334us-gaap_ProceedsFromRepaymentsOfLongTermDebtAndCapitalSecuritiesus-gaaptruedebitdurationmonetaryNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalse1falsetrue8700000087falsefalse2falsetrue9800000098falsefalse3falsetrue115000000115falsefalseNo definition available.No authoritative reference available.false344us-gaap_RepaymentsOfLongTermDebtAndCapitalSecuritiesus-gaaptruecreditdurationmonetaryNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalse1falsetrue-472000000-472falsefalse2falsetrue-355000000-355falsefalse3falsetrue-74000000-74falsefalseNo definition available.No authoritative reference available.false354us-gaap_NetCashProvidedByUsedInFinancingActivitiesus-gaaptruedebitdurationmonetaryNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalse1falsetrue-280000000-280falsefalse2falsetrue-198000000-198falsefalse3falsetrue5000000050falsefalseNo definition available.No authoritative reference available.true363us-gaap_EffectOfExchangeRateOnCashAndCashEquivalentsus-gaaptruedebitdurationmonetaryNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalse1falsetrue-1000000-1falsefalse2falsetrue-70000000-70falsefalse3falsetrue2000000020falsefalseNo definition available.No authoritative reference available.false373us-gaap_CashAndCashEquivalentsPeriodIncreaseDecreaseus-gaaptruenadurationmonetaryNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalse1falsetrue675000000675falsefalse2falsetrue230000000230falsefalse3falsetrue15170000001517falsefalseNo definition available.No authoritative reference available.true383us-gaap_CashAndCashEquivalentsAtCarryingValueus-gaaptruedebitinstantmonetaryNo definition available.falsefalsefalsefalsefalsefalsefalsetruefalse1falsetrue34440000003444falsefalse2falsetrue27690000002769falsefalse3falsetrue25390000002539falsefalseNo definition available.No authoritative reference available.false393us-gaap_SupplementalCashFlowInformationAbstractus-gaaptruenadurationstringNo definition available.falsefalsefalsefalsefalsetruefalsefalsefalse1falsefalse00falsefalse2falsefalse00falsefalse3falsefalse00falsefalseNo definition available.false404us-gaap_InterestPaidus-gaaptruecreditdurationmonetaryNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalse1falsetrue3200000032falsefalse2falsetrue6400000064falsefalse3falsetrue6700000067falsefalseNo definition available.No authoritative reference available.false414us-gaap_IncomeTaxesPaidus-gaaptruecreditdurationmonetaryNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalse1falsetrue4800000048falsefalse2falsetrue5300000053falsefalse3falsetrue2400000024falsefalseNo definition available.No authoritative reference available.false424amzn_SupplementalAssetsAcquiredUnderCapitalLeasesamznfalsedebitdurationmonetaryThe amount of fixed assets acquired under noncash capital lease activity.falsefalsefalsefalsefalsefalsefalsefalsefalse1falsetrue147000000147falsefalse2falsetrue148000000148falsefalse3falsetrue7400000074falsefalseThe amount of fixed assets acquired under noncash capital lease activity.No authoritative reference available.false434amzn_FixedAssetsAcquiredUnderBuildToSuitLeasesamznfalsedebitdurationmonetaryThe amount of fixed assets acquired under noncash build-to-suit lease activity.falsefalsefalsefalsefalsefalsefalsefalsefalse1falsetrue188000000188falsefalse2falsetrue7200000072falsefalse3falsetrue1500000015falsefalseThe amount of fixed assets acquired under noncash build-to-suit lease activity.No authoritative reference available.false444amzn_ConversionOfConvertibleNoteamznfalsecreditdurationmonetaryThe amount of debt exchanged for equity instruments under noncash conversions.falsefalsefalsefalsefalsefalsefalsefalsefalse1truetrue00falsefalse2truetrue605000000605falsefalse3truetrue10000001falsefalseThe amount of debt exchanged for equity instruments under noncash conversions.No authoritative reference available.falsefalse340falseMillionsUnKnownUnKnownfalsetrue