Segment Reporting Information by Segment (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended						4 Months Ended		12 Months Ended
	May 12, 2013	Feb. 17, 2013	Nov. 25, 2012	May 06, 2012	Feb. 12, 2012	Nov. 20, 2011	Sep. 01, 2013	Sep. 02, 2012	Sep. 01, 2013	Sep. 02, 2012	Aug. 28, 2011
Segment Reporting Information [Line Items]
Total revenue	$ 24,083	$ 24,871	$ 23,715	$ 22,324	$ 22,967	$ 21,628	$ 32,487	$ 32,218	$ 105,156	$ 99,137	$ 88,915
Operating income	722	738	639	623	644	543	954	949	3,053	2,759	2,439
Depreciation and amortization									946	908	855
Additions to property and equipment									2,083	1,480	1,290
Net property and equipment							13,881	12,961	13,881	12,961	12,432
Total assets							30,283	27,140	30,283	27,140	26,761
United States Operations
Segment Reporting Information [Line Items]
Total revenue									75,493	71,776	64,904
Operating income									1,810	1,632	1,395
Depreciation and amortization									696	667	640
Additions to property and equipment									1,090	1,012	876
Net property and equipment							9,652	9,236	9,652	9,236	8,870
Total assets							20,608	18,401	20,608	18,401	18,558
Canadian Operations
Segment Reporting Information [Line Items]
Total revenue									17,179	15,717	14,020
Operating income									756	668	621
Depreciation and amortization									123	117	117
Additions to property and equipment									186	170	144
Net property and equipment							1,621	1,664	1,621	1,664	1,608
Total assets							4,529	4,237	4,529	4,237	3,741
Other International Operations
Segment Reporting Information [Line Items]
Total revenue									12,484	11,644	9,991
Operating income									487	459	423
Depreciation and amortization									127	124	98
Additions to property and equipment									807	298	270
Net property and equipment							2,608	2,061	2,608	2,061	1,954
Total assets							$ 5,146	$ 4,502	$ 5,146	$ 4,502	$ 4,462