Stockholders' Equity (Stock Repurchase Authorizations) (Details) (USD $) In Millions	12 Months Ended		1 Months Ended	12 Months Ended		1 Months Ended	12 Months Ended
	Aug. 28, 2011	Aug. 28, 2011 Prior to November 2007 [Member]	Nov. 30, 2010 November 2007 [Member]	Aug. 28, 2011 November 2007 [Member]		Apr. 30, 2011 July 2008 [Member]	Aug. 28, 2011 July 2008 [Member]		Aug. 28, 2011 April 2011 [Member]
Amount Authorized	$ 10,800	$ 4,800		$ 1,000	[1]		$ 1,000	[2]	$ 4,000
Amount Repurchased	6,007	4,800		705	[1]		208	[2]	294
Amount Remaining	3,706	0		0	[1]		0	[2]	3,706
Stock repurchased amount expiration date				November 2010)			July 2011		April 2015
Previously authorized but unused share repurchase amount, revoked or expired			$ 295			$ 792

[1] In November 2010, $295 of the November 2007 authorization expired having been unused by the Company.

[2] In April 2011, $792 of the July 2008 authorization was cancelled and replaced by the Board of Directors upon authorization of the April 2011 stock repurchase program.