Segment Reporting Information by Segment (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended		12 Months Ended
	Feb. 12, 2023	Feb. 13, 2022	Feb. 12, 2023	Feb. 13, 2022	Aug. 28, 2022
Segment Reporting Information [Line Items]
Total Revenue	$ 55,266	$ 51,904	$ 109,703	$ 102,267	$ 226,954
Operating Income	1,903	1,812	3,654	3,505	7,793
Operating Segments [Member] | United States Operations
Segment Reporting Information [Line Items]
Total Revenue	40,145	37,567	80,290	73,884	165,294
Operating Income	1,295	1,179	2,531	2,297	5,268
Operating Segments [Member] | Canada Operations
Segment Reporting Information [Line Items]
Total Revenue	7,299	7,017	14,655	14,138	31,675
Operating Income	284	301	572	594	1,346
Operating Segments [Member] | Other International Operations
Segment Reporting Information [Line Items]
Total Revenue	7,822	7,320	14,758	14,245	29,985
Operating Income	$ 324	$ 332	$ 551	$ 614	$ 1,179