Nature Of Operations And Summary Of Significant Accounting Policies (COVID-19 Related Asset Impairment Charges) (Details) - USD ($) $ in Millions		12 Months Ended
		Jan. 29, 2022	Jan. 30, 2021
Land, Property and Equipment [Line Items]
Long-lived asset impairment	[1]		$ 96
Operating lease ROU asset impairment	[1]		41
Total asset impairment		$ 0	137
Applicable long-lived assets [Member]
Land, Property and Equipment [Line Items]
Carrying value of applicable assets after impairment			13
Applicable operating lease ROU assets [Member]
Land, Property and Equipment [Line Items]
Carrying value of applicable assets after impairment			$ 3

[1] As of January 30, 2021, the carrying value of the applicable long-lived and operating lease ROU assets after impairment was $13 and $3.