Leases - Summary of Operating and Finance Leases (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
	Oct. 30, 2021	Oct. 30, 2021	Jan. 30, 2021	Oct. 31, 2020
Assets
Operating leases	$ 2,293	$ 2,293	$ 2,398	$ 2,422
Finance leases	$ 1,389	$ 1,389	$ 708
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Property, Plant and Equipment, Net	Property, Plant and Equipment, Net	Property, Plant and Equipment, Net
Total operating & finance leases	$ 3,682	$ 3,682	$ 3,106
Current liabilities:
Operating leases	142	142	161	160
Finance leases	$ 86	$ 86	$ 76
Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]	Finance Lease Liability And Financing Obligation Current	Finance Lease Liability And Financing Obligation Current	Finance Lease Liability And Financing Obligation Current
Noncurrent
Operating leases	$ 2,537	$ 2,537	$ 2,625	$ 2,644
Finance leases	$ 1,620	$ 1,620	$ 926
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Finance Lease Liability And Financing Obligation Noncurrent	Finance Lease Liability And Financing Obligation Noncurrent	Finance Lease Liability And Financing Obligation Noncurrent
Total operating & finance leases	$ 4,385	$ 4,385	$ 3,788
Income Statement
Operating leases	71	227
Finance Leases
Amortization of leased assets	27	70
Interest on leased assets	29	81
Total operating & finance leases	$ 127	378
Cash paid for amounts included in the measurement of leased liabilities
Operating cash flows from operating leases		236
Operating cash flows from finance leases		81
Financing cash flows from finance leases		$ 71