Segment Reporting Information by Segment (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended		12 Months Ended
	Feb. 13, 2022	Feb. 14, 2021	Feb. 13, 2022	Feb. 14, 2021	Aug. 29, 2021
Segment Reporting Information [Line Items]
Total Revenue	$ 51,904	$ 44,769	$ 102,267	$ 87,977	$ 195,929
Operating Income	1,812	1,340	3,505	2,770	6,708
Operating Segments [Member] | United States Operations
Segment Reporting Information [Line Items]
Total Revenue	37,567	32,127	73,884	63,419	141,398
Operating Income	1,179	826	2,297	1,763	4,470
Operating Segments [Member] | Canada Operations
Segment Reporting Information [Line Items]
Total Revenue	7,017	6,001	14,138	12,012	27,298
Operating Income	301	226	594	473	1,093
Operating Segments [Member] | Other International Operations
Segment Reporting Information [Line Items]
Total Revenue	7,320	6,641	14,245	12,546	27,233
Operating Income	$ 332	$ 288	$ 614	$ 534	$ 1,145