Restructuring, Impairment, Store Closing and Other Costs - Summary of Restructuring and Other Cash Activity (Details) - USD ($) $ in Millions	12 Months Ended
	Jan. 30, 2021	Feb. 01, 2020	Feb. 02, 2019
Restructuring Cost And Reserve [Line Items]
Beginning Balance	$ 113
Additions charged to expense	75	$ 34	$ (8)
Ending Balance	27	113
Polaris Strategy
Restructuring Cost And Reserve [Line Items]
Beginning Balance	124	0
Additions charged to expense	72	157
Cash payments	(180)	(33)
Ending Balance	16	124	0
Polaris Strategy | Employee Severance
Restructuring Cost And Reserve [Line Items]
Beginning Balance	115	0
Additions charged to expense	55	121
Cash payments	(156)	(6)
Ending Balance	14	115	0
Polaris Strategy | Other Restructuring
Restructuring Cost And Reserve [Line Items]
Beginning Balance	9	0
Additions charged to expense	17	36
Cash payments	(24)	(27)
Ending Balance	$ 2	$ 9	$ 0