Net Income Per Share - Computation of Basic and Diluted Net Income Per Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Aug. 03, 2019	Aug. 04, 2018	Aug. 03, 2019	Aug. 04, 2018
Earnings Per Share [Abstract]
Numerator—Net income	$ 241	$ 292	$ 303	$ 368
Denominator-Weighted average shares: Basic	159	165	160	165
Dilutive impact		1	1	1
Weighted average shares, Diluted	159	166	161	166
Antidilutive shares	3		1
Basic	$ 1.52	$ 1.77	$ 1.90	$ 2.23
Diluted	$ 1.51	$ 1.76	$ 1.89	$ 2.21