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Notional Amounts of Outstanding Derivative Instruments and Credit Risk Amounts Associated with Outstanding or Unsettled Derivative Instruments (Detail) - USD ($) $ in Millions	Sep. 26, 2015	Sep. 27, 2014
Derivatives Designated as Hedging Instruments | Foreign exchange contracts
Derivative [Line Items]
Notional Amount	$ 70,054	$ 42,945
Credit Risk	1,385	1,333
Derivatives Designated as Hedging Instruments | Interest rate contracts
Derivative [Line Items]
Notional Amount	18,750	12,000
Credit Risk	394	89
Not Designated as Hedging Instrument | Foreign exchange contracts
Derivative [Line Items]
Notional Amount	49,190	38,510
Credit Risk	$ 109	$ 222

X

- Definition

Credit risk amount of foreign currency derivative instruments designated as hedging instruments as of the balance sheet date.

+ References

No definition available.

+ Details

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X

- Definition

Gross exposure to potential accounting loss on outstanding or unsettled derivative instruments that if all counterparties failed to perform according to the terms of the contract.

+ References

No definition available.

+ Details

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X

- Definition

Credit risk amount of interest rate derivative instruments designated as hedging instruments as of the balance sheet date.

+ References

No definition available.

+ Details

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Namespace Prefix:	aapl_
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X

- Definition

Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher SEC



-Name Regulation S-X (SX)



-Number 210



-Article 12



-Section 13



-Sentence Column B

+ Details

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Details

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X

- Details

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- Details

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- Details

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