Leases (Operating Lease) (Details) - USD ($) $ in Millions	Jan. 29, 2022	Jan. 30, 2021
Operating leases:
Operating lease right-of-use assets	$ 2,616	$ 2,716
Operating lease liabilities classified as current	572	580
Operating lease liabilities classified as long-term	2,363	2,499
Total operating lease liabilities	2,935	3,079
Finance leases:
Property and equipment, net	$ 59	$ 10
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Property Plant And Equipment Net	Property Plant And Equipment Net
Current portion of obligations under finance leases	$ 6	$ 2
Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]	Long-term Debt and Lease Obligation, Current	Long-term Debt and Lease Obligation, Current
Long-term obligations under finance leases	$ 57	$ 8
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Long-term Debt and Lease Obligation	Long-term Debt and Lease Obligation
Finance Lease, Liability, Statement of Financial Position [Extensible Enumeration]	Long-term Debt and Lease Obligation, Long-term Debt and Lease Obligation, Current	Long-term Debt and Lease Obligation, Long-term Debt and Lease Obligation, Current
Total finance lease obligations	$ 63	$ 10