Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended
	May 04, 2019	May 05, 2018
Earnings Per Share [Abstract]
Net earnings	$ 265	$ 208
Weighted-average common shares outstanding (in shares)	267.6	282.6
Dilutive effect of stock compensation plan awards	3.9	5.7
Weighted-average common shares outstanding, assuming dilution (in shares)	271.5	288.3
Potential shares which were anti-dilutive and excluded from weighted average shares computation	0.8	0.1
Basic earnings per share	$ 0.99	$ 0.74
Diluted earnings per share	$ 0.98	$ 0.72