Segment Reporting Segment Reporting Information by Item Category (Details) - USD ($) $ in Millions	3 Months Ended
	Nov. 22, 2020	Nov. 24, 2019
Disaggregation of Revenue [Line Items]
Total Revenue	$ 43,208	$ 37,040
Foods and Sundries [Member]
Disaggregation of Revenue [Line Items]
Total Revenue	18,019	14,532
Hardlines [Member]
Disaggregation of Revenue [Line Items]
Total Revenue	7,330	5,843
Fresh Food [Member]
Disaggregation of Revenue [Line Items]
Total Revenue	5,863	4,576
Softlines [Member]
Disaggregation of Revenue [Line Items]
Total Revenue	5,054	4,297
Ancillary
Disaggregation of Revenue [Line Items]
Total Revenue	6,081	6,988
Net Sales
Disaggregation of Revenue [Line Items]
Total Revenue	$ 42,347	$ 36,236