Earnings/(Loss) per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions	3 Months Ended						9 Months Ended
	Oct. 31, 2020	Aug. 01, 2020	May 02, 2020	Nov. 02, 2019	Aug. 03, 2019	May 04, 2019	Oct. 31, 2020	Nov. 02, 2019
Earnings Per Share [Abstract]
Net Income (Loss) Attributable to Parent	$ (368)	$ (398)	$ (546)	$ (93)	$ (48)	$ (154)	$ (1,312)	$ (295)
Weighted Average Number of Shares Outstanding, Basic	325,100			320,900			324,600	319,300
Weighted Average Number of Shares Outstanding, Diluted, Total	325,100			320,900			324,600	319,300
Basic (in dollars per share)	$ (1.13)			$ (0.29)			$ (4.04)	$ (0.92)
Diluted (in dollars per share)	$ (1.13)			$ (0.29)			$ (4.04)	$ (0.92)
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	9,600			23,800			11,800	23,700
Document Period End Date							Oct. 31, 2020