Leases Lease Cost (Details) - USD ($) $ in Millions	12 Months Ended
	Jan. 29, 2021	Jan. 31, 2020
Leases [Abstract]
Operating Lease, Cost	$ 74	$ 64
Variable Lease, Cost	21	15
Short-term Lease, Cost	35	4
Sublease Income	2	3
Lease, Cost	128	80
Operating Lease, Impairment Loss	$ 1	$ 5