Net (Loss) Income Per Share - Computation of Basic and Diluted Net (Loss) Income Per Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Oct. 31, 2020	Nov. 02, 2019	Oct. 31, 2020	Nov. 02, 2019
Earnings Per Share [Abstract]
Numerator—Net (loss) income	$ (12)	$ 123	$ (506)	$ 426
Denominator—Weighted-average shares: Basic	154	156	154	158
Dilutive impact		1		1
Weighted average shares, Diluted	154	157	154	159
Basic	$ (0.08)	$ 0.79	$ (3.28)	$ 2.69
Diluted	$ (0.08)	$ 0.78	$ (3.28)	$ 2.67