Revenues - Disaggregation of Revenue (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 31, 2021	Aug. 01, 2020	Jul. 31, 2021	Aug. 01, 2020
Disaggregation of Revenue [Line Items]
Revenue	$ 25,160	$ 22,975	$ 49,357	$ 42,590
Apparel and accessories
Disaggregation of Revenue [Line Items]
Revenue	4,751	4,084	9,020	6,703
Beauty and household essentials
Disaggregation of Revenue [Line Items]
Revenue	6,726	6,158	13,090	12,069
Food and beverage
Disaggregation of Revenue [Line Items]
Revenue	4,687	4,186	9,543	8,761
Hardlines
Disaggregation of Revenue [Line Items]
Revenue	3,867	3,608	7,813	6,582
Home furnishings and decor
Disaggregation of Revenue [Line Items]
Revenue	4,748	4,625	9,158	7,889
Other
Disaggregation of Revenue [Line Items]
Revenue	47	35	81	63
Sales
Disaggregation of Revenue [Line Items]
Revenue	24,826	22,696	48,705	42,067
Credit card profit sharing
Disaggregation of Revenue [Line Items]
Revenue	172	158	343	324
Other
Disaggregation of Revenue [Line Items]
Revenue	162	121	309	199
Other revenue
Disaggregation of Revenue [Line Items]
Revenue	$ 334	$ 279	$ 652	$ 523