Earnings per Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Aug. 03, 2019	Aug. 04, 2018	Aug. 03, 2019	Aug. 04, 2018
Earnings per Share [Abstract]
Net earnings	$ 238	$ 244	$ 503	$ 452
Weighted-average common shares outstanding (in shares)	267.1	279.0	267.4	280.8
Dilutive effect of stock compensation plan awards	2.3	4.7	3.5	5.2
Weighted-average common shares outstanding, assuming dilution	269.4	283.7	270.9	286.0
Potential shares which were anti-dilutive and excluded from weighted-average share computations	0.9	0.1	0.9	0.1
Basic earnings per share	$ 0.89	$ 0.88	$ 1.88	$ 1.61
Diluted earnings per share	$ 0.89	$ 0.86	$ 1.86	$ 1.58