Segment Reporting Segment Reporting Information by Item Category (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Feb. 14, 2021	Feb. 16, 2020	Feb. 14, 2021	Feb. 16, 2020
Disaggregation of Revenue [Line Items]
Total Revenue	$ 44,769	$ 39,072	$ 87,977	$ 76,112
Foods and Sundries [Member]
Disaggregation of Revenue [Line Items]
Total Revenue	17,624	14,984	35,643	29,516
Hardlines [Member]
Disaggregation of Revenue [Line Items]
Total Revenue	8,306	6,774	15,636	12,617
Fresh Foods [Member]
Disaggregation of Revenue [Line Items]
Total Revenue	6,254	5,079	12,117	9,655
Softlines [Member]
Disaggregation of Revenue [Line Items]
Total Revenue	5,417	4,504	10,471	8,801
Ancillary
Disaggregation of Revenue [Line Items]
Total Revenue	6,287	6,915	12,368	13,903
Net Sales
Disaggregation of Revenue [Line Items]
Total Revenue	$ 43,888	$ 38,256	$ 86,235	$ 74,492