Earnings per Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Oct. 31, 2020	Nov. 02, 2019	Oct. 31, 2020	Nov. 02, 2019
Earnings per Share [Abstract]
Net earnings	$ 391	$ 293	$ 982	$ 796
Weighted-average common shares outstanding (in shares)	259.8	263.2	259.3	266.0
Dilutive effect of stock compensation plan awards (in shares)	3.9	2.0	3.2	3.1
Weighted-average common shares outstanding, assuming dilution (in shares)	263.7	265.2	262.5	269.1
Potential shares which were anti-dilutive and excluded from weighted-average share computations (in shares)		1.1		0.9
Basic earnings per share	$ 1.50	$ 1.11	$ 3.79	$ 2.99
Diluted earnings per share	$ 1.48	$ 1.10	$ 3.74	$ 2.96