Segment Reporting Information by Segment (Details) - USD ($) $ in Millions	3 Months Ended						4 Months Ended		12 Months Ended
	May 07, 2017	Feb. 12, 2017	Nov. 20, 2016	May 08, 2016	Feb. 14, 2016	Nov. 22, 2015	Sep. 03, 2017	Aug. 28, 2016	Sep. 03, 2017	Aug. 28, 2016	Aug. 30, 2015
Segment Reporting Information [Line Items]
Total revenue	$ 28,860	$ 29,766	$ 28,099	$ 26,769	$ 28,170	$ 27,220	$ 42,300	$ 36,560	$ 129,025	$ 118,719	$ 116,199
Operating income	$ 968	$ 844	$ 849	$ 858	$ 856	$ 767	1,450	1,191	4,111	3,672	3,624
Depreciation and amortization									1,370	1,255	1,127
Additions to property and equipment									2,502	2,649	2,393
Net property and equipment							18,161	17,043	18,161	17,043	15,401
Total assets							36,347	33,163	36,347	33,163	33,017
Operating Segments | United States Operations
Segment Reporting Information [Line Items]
Total revenue									93,889	86,579	84,351
Operating income									2,644	2,326	2,308
Depreciation and amortization									1,044	946	848
Additions to property and equipment									1,714	1,823	1,574
Net property and equipment							12,339	11,745	12,339	11,745	10,815
Total assets							24,068	22,511	24,068	22,511	22,988
Operating Segments | Canadian Operations
Segment Reporting Information [Line Items]
Total revenue									18,775	17,028	17,341
Operating income									841	778	771
Depreciation and amortization									124	109	119
Additions to property and equipment									277	299	148
Net property and equipment							1,820	1,628	1,820	1,628	1,381
Total assets							4,471	3,480	4,471	3,480	3,608
Operating Segments | Other International Operations
Segment Reporting Information [Line Items]
Total revenue									16,361	15,112	14,507
Operating income									626	568	545
Depreciation and amortization									202	200	160
Additions to property and equipment									511	527	671
Net property and equipment							4,002	3,670	4,002	3,670	3,205
Total assets							$ 7,808	$ 7,172	$ 7,808	$ 7,172	$ 6,421