Segment Reporting Information by Segment (Detail) - USD ($) $ in Millions	3 Months Ended		8 Months Ended		12 Months Ended
	May 09, 2021	May 10, 2020	May 09, 2021	May 10, 2020	Aug. 30, 2020
Segment Reporting Information [Line Items]
Total Revenue	$ 45,277	$ 37,266	$ 133,254	$ 113,378	$ 166,761
Operating Income	1,663	1,179	4,433	3,506	5,435
Operating Segments [Member] | United States Operations
Segment Reporting Information [Line Items]
Total Revenue	32,759	27,626	96,178	83,214	122,142
Operating Income	1,099	853	2,737	2,309	3,633
Operating Segments [Member] | Canada Operations
Segment Reporting Information [Line Items]
Total Revenue	6,299	4,722	18,311	15,080	22,434
Operating Income	271	129	800	559	860
Operating Segments [Member] | Other International Operations
Segment Reporting Information [Line Items]
Total Revenue	6,219	4,918	18,765	15,084	22,185
Operating Income	$ 293	$ 197	$ 896	$ 638	$ 942