2.2.0.7 false Notional Principal and Credit Risk Amounts of Derivative Instruments Outstanding (Detail) (USD $) 131 - Disclosure - Notional Principal and Credit Risk Amounts of Derivative Instruments Outstanding (Detail) true false In Millions false false 1 USD false false iso4217_USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 pure Standard http://www.xbrl.org/2003/instance pure 0 iso4217_USD_per_shares Divide http://www.xbrl.org/2003/iso4217 USD iso4217 http://www.xbrl.org/2003/instance shares 0 shares Standard http://www.xbrl.org/2003/instance shares 0 $ false 2 USD false false iso4217_USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 iso4217_USD_per_shares Divide http://www.xbrl.org/2003/iso4217 USD iso4217 http://www.xbrl.org/2003/instance shares 0 shares Standard http://www.xbrl.org/2003/instance shares 0 $ 5 Instruments qualifying as accounting hedges: 3 us-gaap_DerivativeInstrumentsAndHedgesAbstract us-gaap true na duration No definition available. false false false false false true false false false false false false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false xbrli:stringItemType string No definition available. false 6 Notional Principal - Foreign exchange contracts 4 aapl_NotionalAmountOfForeignCurrencyDerivativeInstrumentsDesignatedAsHedgingInstruments aapl false debit instant Aggregate notional amount, as of the balance sheet date, of all foreign currency derivatives designated as hedging... false false false false false false false false false false false verboselabel false 1 true true false false 10321000000 10321 false false false 2 true true false false 4422000000 4422 false false false xbrli:monetaryItemType monetary Aggregate notional amount, as of the balance sheet date, of all foreign currency derivatives designated as hedging instruments. Notional amount refers to the number of currency units specified in the foreign currency derivative contract. No authoritative reference available. false 7 Credit Risk Amounts - Foreign exchange contracts 4 aapl_CreditRiskAmountOfForeignCurrencyDerivativeInstrumentsDesignatedAsHedgingInstruments aapl false debit instant Credit Risk Amount of Foreign Currency Derivative Instruments Designated as Hedging Instruments as of the balance sheet date. false false false false false false false false false false false verboselabel false 1 false true false false 216000000 216 false false false 2 false true false false 31000000 31 false false false xbrli:monetaryItemType monetary Credit Risk Amount of Foreign Currency Derivative Instruments Designated as Hedging Instruments as of the balance sheet date. No authoritative reference available. false 8 Instruments other than accounting hedges: 3 us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAbstract us-gaap true na duration No definition available. false false false false false true false false false false false false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false xbrli:stringItemType string No definition available. false 9 Notional Principal - Foreign exchange contracts 4 us-gaap_NotionalAmountOfForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstruments us-gaap true debit instant No definition available. false false false false false false false false false false false verboselabel false 1 false true false false 6078000000 6078 false false false 2 false true false false 3416000000 3416 false false false xbrli:monetaryItemType monetary Aggregate notional amount of all foreign currency derivatives not designated as hedging instruments. Notional amount refers to the number of currency units specified in the foreign currency derivative contract. No authoritative reference available. false 10 Credit Risk Amounts - Foreign exchange contracts 4 aapl_CreditRiskAmountOfForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstruments aapl false debit instant Credit Risk Amount of Foreign Currency Derivative Instruments Not Designated as Hedging Instruments. false false false false false false false false false false false verboselabel false 1 true true false false 22000000 22 false false false 2 true true false false 10000000 10 false false false xbrli:monetaryItemType monetary Credit Risk Amount of Foreign Currency Derivative Instruments Not Designated as Hedging Instruments. No authoritative reference available. false 2 6 false Millions UnKnown UnKnown false true