Revenue - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Oct. 31, 2020	Nov. 02, 2019	Oct. 31, 2020	Nov. 02, 2019	Aug. 01, 2020	Feb. 01, 2020	Aug. 03, 2019	Feb. 02, 2019
Revenue from Contract with Customer [Abstract]
Contract with Customer, Liability	$ 191	$ 189	$ 191	$ 189	$ 189	$ 226	$ 195	$ 227
Contract with Customer, Liability, Revenue Recognized	$ 68	$ 78	$ 140	$ 161