Impairment, Restructuring and Other Costs - Summary of Restructuring and Other Cash Activity (Details) - USD ($) $ in Millions	3 Months Ended				6 Months Ended
	Jul. 31, 2021	May 01, 2021	Aug. 01, 2020	May 02, 2020	Jul. 31, 2021	Aug. 01, 2020
Restructuring Cost And Reserve [Line Items]
Additions charged to expense	$ 0		$ 58		$ 2	$ 68
Polaris Strategy
Restructuring Cost And Reserve [Line Items]
Beginning Balance	3	$ 16	68	$ 124	16	124
Additions charged to expense	0	5	21	32
Cash payments	(1)	(18)	(73)	(88)
Ending Balance	2	3	16	68	2	16
Polaris Strategy | Employee Severance
Restructuring Cost And Reserve [Line Items]
Beginning Balance	3	14	58	115	14	115
Additions charged to expense	0	5	15	25
Cash payments	(1)	(16)	(67)	(82)
Ending Balance	2	3	6	58	2	6
Polaris Strategy | Other Restructuring
Restructuring Cost And Reserve [Line Items]
Beginning Balance	0	2	10	9	2	9
Additions charged to expense	0	0	6	7
Cash payments	0	(2)	(6)	(6)
Ending Balance	$ 0	$ 0	$ 10	$ 10	$ 0	$ 10