Revenue - Disaggregation of Revenue (Details) - USD ($) $ in Millions	12 Months Ended
	Jan. 31, 2020	Feb. 01, 2019	Feb. 02, 2018
Disaggregation of Revenue [Line Items]
Net sales	$ 72,148	$ 71,309	$ 68,619
Net sales, percentage	100.00%	100.00%	100.00%
United States
Disaggregation of Revenue [Line Items]
Net sales	$ 67,147	$ 65,872	$ 63,263
International
Disaggregation of Revenue [Line Items]
Net sales	5,001	5,437	5,356
Products
Disaggregation of Revenue [Line Items]
Net sales	68,377	67,197	65,421
Services
Disaggregation of Revenue [Line Items]
Net sales	2,112	2,539	2,469
Other
Disaggregation of Revenue [Line Items]
Net sales	1,659	1,573	729
Home Decor
Disaggregation of Revenue [Line Items]
Net sales	$ 25,867	$ 25,261	$ 24,521
Net sales, percentage	36.00%	35.00%	36.00%
Building Products
Disaggregation of Revenue [Line Items]
Net sales	$ 23,018	$ 22,992	$ 22,033
Net sales, percentage	32.00%	32.00%	32.00%
Hardlines
Disaggregation of Revenue [Line Items]
Net sales	$ 21,235	$ 20,382	$ 19,715
Net sales, percentage	29.00%	29.00%	29.00%
Other
Disaggregation of Revenue [Line Items]
Net sales	$ 2,028	$ 2,674	$ 2,350
Net sales, percentage	3.00%	4.00%	3.00%