Earnings Per Share - EPS Schedule (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	12 Months Ended
	Feb. 02, 2024	Feb. 03, 2023	Jan. 28, 2022
Basic earnings per common share:
Net earnings attributable to Lowe's Companies, Inc.	$ 7,726	$ 6,437	$ 8,442
Less: Net earnings allocable to participating securities	(20)	(21)	(33)
Net earnings allocable to common shares, basic	$ 7,706	$ 6,416	$ 8,409
Weighted-average common shares outstanding (in shares)	582.0	629.0	696.0
Basic earnings per common share (in dollars per share)	$ 13.23	$ 10.20	$ 12.07
Diluted earnings per common share:
Net earnings attributable to Lowe's Companies, Inc.	$ 7,726	$ 6,437	$ 8,442
Less: Net earnings allocable to participating securities	(20)	(21)	(33)
Net earnings allocable to common shares, diluted	$ 7,706	$ 6,416	$ 8,409
Weighted-average common shares outstanding (in shares)	582.0	629.0	696.0
Dilutive effect of non-participating share-based awards (in shares)	2.0	2.0	3.0
Weighted-average common shares, as adjusted (in shares)	584.0	631.0	699.0
Diluted earnings per common share (in dollars per share)	$ 13.20	$ 10.17	$ 12.04
Anti-dilutive securities (in shares)	0.5	0.5	0.3