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Segment Reporting Information by Segment (Detail) - USD ($) $ in Millions	3 Months Ended						4 Months Ended		12 Months Ended
	May 08, 2016	Feb. 14, 2016	Nov. 22, 2015	May 10, 2015	Feb. 15, 2015	Nov. 23, 2014	Aug. 28, 2016	Aug. 30, 2015	Aug. 28, 2016	Aug. 30, 2015	Aug. 31, 2014
Segment Reporting Information [Line Items]
Total revenue	$ 26,769	$ 28,170	$ 27,220	$ 26,101	$ 27,454	$ 26,866	$ 36,560	$ 35,778	$ 118,719	$ 116,199	$ 112,640
Operating income	$ 858	$ 856	$ 767	$ 821	$ 877	$ 770	1,191	1,156	3,672	3,624	3,220
Depreciation and amortization									1,255	1,127	1,029
Additions to property and equipment									2,649	2,393	1,993
Net property and equipment							17,043	15,401	17,043	15,401	14,830
Total assets							33,163	33,017	33,163	33,017	32,662
Operating Segments | United States Operations
Segment Reporting Information [Line Items]
Total revenue									86,579	84,351	80,477
Operating income									2,326	2,308	1,880
Depreciation and amortization									946	848	755
Additions to property and equipment									1,823	1,574	1,245
Net property and equipment							11,745	10,815	11,745	10,815	10,132
Total assets							22,511	22,988	22,511	22,988	21,586
Operating Segments | Canadian Operations
Segment Reporting Information [Line Items]
Total revenue									17,028	17,341	17,943
Operating income									778	771	796
Depreciation and amortization									109	119	124
Additions to property and equipment									299	148	204
Net property and equipment							1,628	1,381	1,628	1,381	1,662
Total assets							3,480	3,608	3,480	3,608	4,889
Operating Segments | Other International Operations
Segment Reporting Information [Line Items]
Total revenue									15,112	14,507	14,220
Operating income									568	545	544
Depreciation and amortization									200	160	150
Additions to property and equipment									527	671	544
Net property and equipment							3,670	3,205	3,670	3,205	3,036
Total assets							$ 7,172	$ 6,421	$ 7,172	$ 6,421	$ 6,187

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