Leases (Operating Lease) (Details) - USD ($) $ in Millions	Jan. 30, 2021	Feb. 01, 2020
Operating leases:
Operating lease right-of-use assets	$ 2,716	$ 2,899
Operating lease liabilities classified as current	580	518
Operating lease liabilities classified as long-term	2,499	2,678
Total operating lease liabilities	3,079	$ 3,196
Finance leases:
Property and equipment, net	10
Current portion of obligations under finance leases	2
Long-term obligations under finance leases	8
Total finance lease obligations	$ 10