Earnings per Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Aug. 04, 2018	Jul. 29, 2017	Aug. 04, 2018	Jul. 29, 2017
Earnings Per Share [Abstract]
Net earnings	$ 244	$ 209	$ 452	$ 397
Weighted-average common shares outstanding (in shares)	279.0	304.1	280.8	306.7
Dilutive effect of stock compensation plan awards	4.7	6.7	5.2	6.3
Weighted-average common shares outstanding, assuming dilution (in shares)	283.7	310.8	286.0	313.0
Anti-dilutive securities excluded from Weighted-average common shares outstanding, assuming dilution	0.1	0.0	0.1	0.0
Basic earnings per share	$ 0.88	$ 0.69	$ 1.61	$ 1.29
Diluted earnings per share	$ 0.86	$ 0.67	$ 1.58	$ 1.27