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Summary of Accelerated Share Repurchase Activity and Related Information (Parenthetical) (Detail) (August 2014 ASR)
In Thousands, unless otherwise specified
 3 Months Ended 5 Months Ended
Dec. 27, 2014
Dec. 27, 2014
August 2014 ASR
    
Accelerated Share Repurchases [Line Items]    
Number of shares repurchased and retired 8,300us-gaap_StockRepurchasedAndRetiredDuringPeriodShares
/ us-gaap_ShareRepurchaseProgramAxis
= aapl_AcceleratedShareRepurchaseAgreementAugustTwentyFourteenMember		 68,273us-gaap_StockRepurchasedAndRetiredDuringPeriodShares
/ us-gaap_ShareRepurchaseProgramAxis
= aapl_AcceleratedShareRepurchaseAgreementAugustTwentyFourteenMember		 [1]
[1] Includes 8.3 million net shares delivered and retired under the August 2014 ASR in the first quarter of 2015. "Number of Shares" represents those shares delivered in advance of settlement and does not represent the final number of shares to be delivered under the ASRs. The total number of shares ultimately delivered, and therefore the average repurchase price paid per share, will be determined at the end of the applicable purchase period based on the volume weighted-average price of the Company's common stock during that period. The August 2014 ASR purchase period will end in or before February 2015.