Earnings per Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jul. 31, 2021	Aug. 01, 2020	Jul. 31, 2021	Aug. 01, 2020
Earnings per Share [Abstract]
Net earnings	$ 734	$ 432	$ 1,329	$ 591
Weighted-average common shares outstanding (in shares)	250.2	259.5	251.7	259.0
Dilutive effect of stock compensation plan awards (in shares)	2.6	2.6	3.0	2.4
Weighted-average common shares outstanding, assuming dilution (in shares)	252.8	262.1	254.7	261.4
Potential shares which were anti-dilutive and excluded from weighted-average share computations (in shares)		0.1		0.5
Basic earnings per share	$ 2.93	$ 1.67	$ 5.28	$ 2.28
Diluted earnings per share	$ 2.90	$ 1.65	$ 5.22	$ 2.26