Segment Information (Sales and Division Operating Results for Reportable Segments) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 31, 2021	Aug. 01, 2020	Jul. 31, 2021	Aug. 01, 2020
Segment Information [Abstract]
Sales	$ 2,275	$ 2,077	$ 4,428	$ 3,253
Division profit	332	125	647	46
Less: Impairment and other charges	36	38	40	54
Less: Corporate expense	32	18	61	28
Income from operations	264	69	546	(36)
Interest expense, net	(2)	(2)	(4)	(3)
Other income, net	325	3	329	4
Income before income taxes	587	$ 70	871	$ (35)
Non-cash gain	$ 290		$ 314