Revenues - Disaggregation of Revenue (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Aug. 01, 2020	Aug. 03, 2019	Aug. 01, 2020	Aug. 03, 2019
Disaggregation of Revenue [Line Items]
Revenue	$ 22,975	$ 18,422	$ 42,590	$ 36,049
Apparel and accessories
Disaggregation of Revenue [Line Items]
Revenue	4,084	3,656	6,703	6,946
Beauty and household essentials
Disaggregation of Revenue [Line Items]
Revenue	6,158	5,076	12,069	10,047
Food and beverage
Disaggregation of Revenue [Line Items]
Revenue	4,186	3,460	8,761	7,182
Hardlines
Disaggregation of Revenue [Line Items]
Revenue	3,608	2,503	6,582	4,889
Home furnishings and decor
Disaggregation of Revenue [Line Items]
Revenue	4,625	3,457	7,889	6,458
Other
Disaggregation of Revenue [Line Items]
Revenue	35	31	63	62
Sales
Disaggregation of Revenue [Line Items]
Revenue	22,696	18,183	42,067	35,584
Credit card profit sharing
Disaggregation of Revenue [Line Items]
Revenue	158	168	324	328
Other
Disaggregation of Revenue [Line Items]
Revenue	121	71	199	137
Other revenue
Disaggregation of Revenue [Line Items]
Revenue	$ 279	$ 239	$ 523	$ 465