Leases (Supplemental Balance Sheet Information) (Details) - USD ($) $ in Millions	Jan. 30, 2021	Feb. 01, 2020
Assets
Operating leases	$ 2,612	$ 2,709
Finance leases	37	35
Total lease assets	2,649	2,744
Current:
Operating leases	693	660
Finance leases	14	14
Non-current:
Operating leases	2,012	2,138
Finance leases	24	24
Total lease liabilities	2,743	2,836
Accumulated depreciation	6,996	6,900
Finance Leases [Member]
Non-current:
Accumulated depreciation	$ 36	$ 54