Net Sales by Product (Detail) (USD $) In Millions	3 Months Ended								12 Months Ended
	Sep. 24, 2011	Jun. 25, 2011	Mar. 26, 2011	Dec. 25, 2010	Sep. 25, 2010	Jun. 26, 2010	Mar. 27, 2010	Dec. 26, 2009	Sep. 24, 2011		Sep. 25, 2010		Sep. 26, 2009
Segment Reporting Disclosure [Line Items]
Net sales	$ 28,270	$ 28,571	$ 24,667	$ 26,741	$ 20,343	$ 15,700	$ 13,499	$ 15,683	$ 108,249		$ 65,225		$ 42,905
Desktops
Segment Reporting Disclosure [Line Items]
Net sales									6,439	[1]	6,201	[1]	4,324	[1]
Portables
Segment Reporting Disclosure [Line Items]
Net sales									15,344	[2]	11,278	[2]	9,535	[2]
Total Mac net sales
Segment Reporting Disclosure [Line Items]
Net sales									21,783		17,479		13,859
iPod
Segment Reporting Disclosure [Line Items]
Net sales									7,453		8,274		8,091
Other music related products and services
Segment Reporting Disclosure [Line Items]
Net sales									6,314	[3]	4,948	[3]	4,036	[3]
iPhone and related products and services
Segment Reporting Disclosure [Line Items]
Net sales									47,057	[4]	25,179	[4]	13,033	[4]
iPad and related products and services
Segment Reporting Disclosure [Line Items]
Net sales									20,358	[5]	4,958	[5]	0	[5]
Peripherals and Other Hardware
Segment Reporting Disclosure [Line Items]
Net sales									2,330	[6]	1,814	[6]	1,475	[6]
Software, service and other net sales
Segment Reporting Disclosure [Line Items]
Net sales									$ 2,954	[7]	$ 2,573	[7]	$ 2,411	[7]

[1] Includes iMac, Mac mini, Mac Pro and Xserve product lines.

[2] Includes MacBook, MacBook Air and MacBook Pro product lines.

[3] Includes sales from the iTunes Store, App Store, and iBookstore in addition to sales of iPod services and Apple-branded and third-party iPod accessories.

[4] Includes revenue recognized from iPhone sales, carrier agreements, services, and Apple-branded and third-party iPhone accessories.

[5] Includes revenue recognized from iPad sales, services and Apple-branded and third-party iPad accessories.

[6] Includes sales of displays, wireless connectivity and networking solutions, and other hardware accessories.

[7] Includes sales from the Mac App Store in addition to sales of other Apple-branded and third-party Mac software and Mac and Internet services.