Earnings Per Share - Summary (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended
	May 01, 2020	May 03, 2019
Basic earnings per common share:
Net earnings	$ 1,337	$ 1,046
Less: Net earnings allocable to participating securities	(4)	(3)
Net earnings allocable to common shares, basic	$ 1,333	$ 1,043
Weighted-average common shares outstanding (in shares)	755	796
Basic earnings per common share (in dollars per share)	$ 1.76	$ 1.31
Diluted earnings per common share:
Net earnings	$ 1,337	$ 1,046
Less: Net earnings allocable to participating securities	(4)	(3)
Net earnings allocable to common shares, diluted	$ 1,333	$ 1,043
Weighted-average common shares outstanding (in shares)	755	796
Dilutive effect of non-participating share-based awards (in shares)	1	1
Weighted-average common shares, as adjusted (in shares)	756	797
Diluted earnings per common share (in dollars per share)	$ 1.76	$ 1.31