Net Sales and Long-Lived Assets (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
Long-lived assets	8,078					5,002					8,078		5,002		3,193
U.S.
Segment Reporting Disclosure [Line Items]
Net sales											41,812		28,633		22,325
Long-lived assets	4,375					3,096					4,375		3,096		2,348
CHINA
Segment Reporting Disclosure [Line Items]
Net sales											12,472	[1]	2,764	[1]	769	[1]
Long-lived assets	2,613	[1]				1,245	[1]				2,613	[1]	1,245	[1]	365	[1]
Other countries
Segment Reporting Disclosure [Line Items]
Net sales											53,965		33,828		19,811
Long-lived assets	$ 1,090					$ 661					$ 1,090		$ 661		$ 480

[1] China includes Hong Kong. Long-lived assets located in China consist primarily of product tooling and manufacturing process equipment and assets related to retail stores and related infrastructure.