Accelerated Share Repurchase Arrangements (Parenthetical) (Detail) (April 2013 ASR) In Millions, unless otherwise specified	12 Months Ended
Sep. 27, 2014
April 2013 ASR
Accelerated Share Repurchases [Line Items]
Additional shares repurchased and retired	8.0

Additional Stock Repurchased And Retired During Period Shares

No definition available.

Name:	aapl_AdditionalStockRepurchasedAndRetiredDuringPeriodShares
Namespace Prefix:	aapl_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration