Consolidated Statements of Operations - USD ($) $ in Millions	12 Months Ended
	Feb. 02, 2025	Jan. 28, 2024	Jan. 29, 2023
Income Statement [Abstract]
Net sales	$ 7,441	$ 6,702	$ 6,651
Cost of sales	5,461	4,884	4,856
Gross profit	1,980	1,818	1,795
Operating expenses:
Selling, general and administrative	1,078	931	880
Depreciation and amortization	183	147	140
Total operating expenses	1,261	1,078	1,020
Operating income	719	740	775
Interest expense	142	81	66
Income before provision for income taxes	577	659	709
Provision for income taxes	143	128	128
Net income	434	531	581
Less: net income attributable to non-controlling interests	23	160	215
Net income attributable to Core & Main, Inc.	$ 411	$ 371	$ 366
Earnings per share:
Basic (in dollars per share)	$ 2.14	$ 2.15
Diluted (in dollars per share)	$ 2.13	$ 2.15
Basic (shares)	191,617,275	172,839,836
Diluted (shares)	201,442,750	227,818,077