Segment Reporting (Segment Reporting Information, By Segment) (Details) (USD $) In Millions	3 Months Ended												12 Months Ended
	May 08, 2011		Feb. 13, 2011		Nov. 21, 2010		May 09, 2010	Feb. 14, 2010	Nov. 22, 2009	Aug. 28, 2011		Aug. 29, 2010	Aug. 28, 2011		Aug. 29, 2010	Aug. 30, 2009
Total revenue	$ 20,623	[1]	$ 20,875	[1]	$ 19,239	[1]	$ 17,780	$ 18,742	$ 17,299	$ 28,178	[1]	$ 24,125	$ 88,915	[1]	$ 77,946	$ 71,422
Operating income	556	[1]	596	[1]	525	[1]	491	470	428	762	[1]	688	2,439	[1]	2,077	1,777
Depreciation and amortization													855		795	728
Capital expenditures, net													1,290		1,055	1,250
Property and equipment, net										12,432		11,314	12,432		11,314	10,900
Total assets										26,761		23,815	26,761		23,815	21,979
United States Operations [Member]
Total revenue													64,904		59,624	56,548
Operating income													1,395		1,310	1,273
Depreciation and amortization													640		625	589
Capital expenditures, net													876		804	904
Property and equipment, net										8,870		8,709	8,870		8,709	8,415
Total assets										18,558		18,247	18,558		18,247	17,228
Canadian Operations [Member]
Total revenue													14,020		12,051	9,737
Operating income													621		547	354
Depreciation and amortization													117		107	90
Capital expenditures, net													144		162	135
Property and equipment, net										1,608		1,474	1,608		1,474	1,394
Total assets										3,741		3,147	3,741		3,147	2,641
Other International Operations [Member]
Total revenue													9,991		6,271	5,137
Operating income													423		220	150
Depreciation and amortization													98		63	49
Capital expenditures, net													270		89	211
Property and equipment, net										1,954		1,131	1,954		1,131	1,091
Total assets										$ 4,462		$ 2,421	$ 4,462		$ 2,421	$ 2,110

[1] As discussed in Note 1, the Company began consolidating Mexico on August 30, 2010.