Earnings Per Share (Computation Of Earnings Per Share) (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	12 Months Ended
	Jan. 30, 2021	Feb. 01, 2020	Feb. 02, 2019
Earnings Per Share [Abstract]
Net (loss) earnings	$ (690)	$ 496	$ 564
Basic shares (in shares)	157.2	155.2	167.3
Dilutive effect of common stock equivalents (in shares)	0.0	0.9	2.7
Diluted shares (in shares)	157.2	156.1	170.0
(Loss) earnings per basic share (in dollars per share)	$ (4.39)	$ 3.20	$ 3.37
(Loss) earnings per diluted share (in dollars per share)	$ (4.39)	$ 3.18	$ 3.32
Anti-dilutive common stock equivalents	13.5	10.0	5.2