Net Sales - Schedule of Net Sales (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Aug. 01, 2026	Aug. 02, 2025	Aug. 01, 2026	Aug. 02, 2025
Disaggregation of Revenue [Line Items]
Net sales	$ 26,539	$ 25,211	$ 51,982	$ 49,057
Apparel & accessories
Disaggregation of Revenue [Line Items]
Net sales	4,090	4,086	7,937	7,797
Beauty
Disaggregation of Revenue [Line Items]
Net sales	3,639	3,396	7,037	6,498
Food & beverage
Disaggregation of Revenue [Line Items]
Net sales	5,991	5,588	12,255	11,490
Hardlines (Fun 101)
Disaggregation of Revenue [Line Items]
Net sales	3,894	3,522	7,415	6,597
Home furnishings & décor
Disaggregation of Revenue [Line Items]
Net sales	3,668	3,662	6,906	6,880
Household essentials
Disaggregation of Revenue [Line Items]
Net sales	4,617	4,422	9,187	8,779
Other merchandise sales
Disaggregation of Revenue [Line Items]
Net sales	48	43	104	83
Merchandise sales
Disaggregation of Revenue [Line Items]
Net sales	25,947	24,719	50,841	48,124
Advertising revenue
Disaggregation of Revenue [Line Items]
Net sales	279	217	525	379
Credit card profit sharing
Disaggregation of Revenue [Line Items]
Net sales	139	134	269	275
Other
Disaggregation of Revenue [Line Items]
Net sales	$ 174	$ 141	$ 347	$ 279