Earnings Per Share (Computation Of Earnings Per Share) (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	12 Months Ended
	Jan. 29, 2022	Jan. 30, 2021	Feb. 01, 2020
Earnings Per Share [Abstract]
Net earnings (loss)	$ 178	$ (690)	$ 496
Basic shares (in shares)	159.0	157.2	155.2
Dilutive effect of common stock equivalents (in shares)	3.5	0.0	0.9
Diluted shares (in shares)	162.5	157.2	156.1
Earnings (loss) per basic share (in dollars per share)	$ 1.12	$ (4.39)	$ 3.20
(Loss) earnings per diluted share (in dollars per share)	$ 1.10	$ (4.39)	$ 3.18
Anti-dilutive common stock equivalents	8.1	13.5	10.0