Taxes (Unrecognized Benefits and Related Interest Penalties) (Details) - USD ($) $ in Millions	Jan. 28, 2023	Jan. 29, 2022
Income Tax Examination [Line Items]
Amount of unrecognized tax benefits, net of deferred tax assets, that if recognized would affect the effective tax rate	$ 63	$ 81
Accrued federal, state and local interest and penalties	23	65
Current income taxes
Income Tax Examination [Line Items]
Accrued federal, state and local interest and penalties	4	32
Other liabilities
Income Tax Examination [Line Items]
Accrued federal, state and local interest and penalties	$ 19	$ 33