Leases (Lease Cost) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Oct. 30, 2020	Nov. 01, 2019	Oct. 30, 2020	Nov. 01, 2019
Leases [Abstract]
Operating lease expense	$ 47	$ 42	$ 137	$ 122
Finance lease expense:
Amortization of ROU assets	2	2	5	3
Interest on lease liabilities	0	0	1	0
Total finance lease expense	2	2	6	3
Short-term lease expense	1	1	2	2
Variable lease expense	7	8	22	24
Total lease expense	$ 57	$ 53	$ 167	$ 151