Segment Reporting (Information By Reportable Segment) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Oct. 31, 2020	Nov. 02, 2019	Oct. 31, 2020	Nov. 02, 2019
Segment Reporting Information [Line Items]
Earning (loss) before interest and income taxes	$ 106	$ 193	$ (1,077)	$ 485
Interest expense, net	(48)	(20)	(133)	(66)
Earnings (loss) before income taxes	58	173	(1,210)	419
Retail [Member]
Segment Reporting Information [Line Items]
Earning (loss) before interest and income taxes	121	257	(984)	671
Corporate/Other [Member]
Segment Reporting Information [Line Items]
Earning (loss) before interest and income taxes	$ (15)	$ (64)	$ (93)	$ (186)