Income Taxes (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jul. 31, 2021	Aug. 01, 2020	Jul. 31, 2021	Aug. 01, 2020	Jan. 30, 2021
Income Taxes [Line Items]
Effective income tax rate	25.50%	(132.80%)	25.70%	23.20%
Net unrecognized tax benefits	$ 280,000,000	$ 262,000,000	$ 280,000,000	$ 262,000,000	$ 272,000,000
Accrued amounts for interest and penalties	40,000,000	$ 32,000,000	40,000,000	$ 32,000,000	$ 36,000,000
Minimum
Income Taxes [Line Items]
Possible decrease in unrecognized tax benefits that would reduce the provision for taxes on earnings	0		0
Maximum
Income Taxes [Line Items]
Possible decrease in unrecognized tax benefits that would reduce the provision for taxes on earnings	$ 43,000,000		$ 43,000,000