Segment Reporting Information by Segment (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended		12 Months Ended
	Feb. 14, 2021	Feb. 16, 2020	Feb. 14, 2021	Feb. 16, 2020	Aug. 30, 2020
Segment Reporting Information [Line Items]
Total Revenue	$ 44,769	$ 39,072	$ 87,977	$ 76,112	$ 166,761
Operating Income	1,340	1,266	2,770	2,327	5,435
Operating Segments [Member] | United States Operations
Segment Reporting Information [Line Items]
Total Revenue	32,127	28,523	63,419	55,588	122,142
Operating Income	790	821	1,638	1,456	3,633
Operating Segments [Member] | Canada Operations
Segment Reporting Information [Line Items]
Total Revenue	6,001	5,231	12,012	10,358	22,434
Operating Income	236	202	529	430	860
Operating Segments [Member] | Other International Operations
Segment Reporting Information [Line Items]
Total Revenue	6,641	5,318	12,546	10,166	22,185
Operating Income	$ 314	$ 243	$ 603	$ 441	$ 942