Shareholders' Equity - Additional Information (Detail) - USD ($)	Mar. 26, 2016	Sep. 26, 2015
Stockholders Equity Note Disclosure [Line Items]
Maximum amount authorized for repurchase of common stock		$ 140,000,000,000
Share repurchase program, utilized amount	$ 117,000,000,000

The total amount utilized to date under share repurchase program.

No definition available.

Name:	aapl_AmountUtilizedUnderShareRepurchaseProgram
Namespace Prefix:	aapl_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant