Leases Other Supplemental Lease Information (Details) - USD ($) $ in Millions	12 Months Ended
	Jan. 29, 2021	Jan. 31, 2020
Leases [Abstract]
Operating Lease, Payments	$ 77	$ 64
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability	$ 110	$ 79
Operating Lease, Weighted Average Remaining Lease Term	5 years	6 years
Operating Lease, Weighted Average Discount Rate, Percent	3.50%	4.50%