Segment Reporting Segment Reporting Information by Item Category (Details) - USD ($) $ in Millions	3 Months Ended
	Nov. 21, 2021	Nov. 22, 2020
Disaggregation of Revenue [Line Items]
Total Revenue	$ 50,363	$ 43,208
Foods and Sundries [Member]
Disaggregation of Revenue [Line Items]
Total Revenue	19,563	18,019
Non-Foods [Member]
Disaggregation of Revenue [Line Items]
Total Revenue	14,162	12,384
Fresh Foods [Member]
Disaggregation of Revenue [Line Items]
Total Revenue	6,439	5,863
Ancillary
Disaggregation of Revenue [Line Items]
Total Revenue	9,253	6,081
Net Sales
Disaggregation of Revenue [Line Items]
Total Revenue	$ 49,417	$ 42,347