Property and Leases (Schedule of Assets and Liabilities Related to Operating and Finance Leases) (Details) - USD ($) $ in Millions	Jan. 30, 2022	Jan. 31, 2021
Assets:
Operating lease assets	$ 5,968	$ 5,962
Finance leases	2,896	2,493
Total lease assets	8,864	8,455
Current:
Operating lease liabilities	830	828
Finance lease liabilities	198	66
Long-term:
Operating lease liabilities	5,353	5,356
Finance lease liabilities	3,038	2,700
Total lease liabilities	9,419	8,950
Finance lease assets, net of accumulated amortization	$ 1,000	$ 815
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Net property and equipment	Net property and equipment
Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]	Current installments of long-term debt	Current installments of long-term debt
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Long-term debt, excluding current installments	Long-term debt, excluding current installments