Revenue (Activity of Gift Card Liability Balance) (Details) - USD ($) $ in Millions	9 Months Ended
	Oct. 31, 2020	Nov. 02, 2019
Accrued gift card liability at beginning of period	$ 35	$ 35
Accrued gift card liability at end of period	30	26
Gift Card Redemption Revenue [Member]
Revenue recognized	(70)	(70)
Gift Card Breakage Revenue [Member]
Revenue recognized	(5)	(4)
Gift Card Activations [Member]
Activations	69	66
Gift Card Foreign Currency Fluctuations [Member]
Foreign currency fluctuations	$ 1	$ (1)