Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	12 Months Ended
	Feb. 02, 2025	Jan. 28, 2024	Jan. 29, 2023
Statement of Comprehensive Income [Abstract]
Net income	$ 434	$ 531	$ 581
Net interest rate swap gain (loss), net of tax	(20)	(22)	44
Total comprehensive income	414	509	625
Less: comprehensive income attributable to non-controlling interests	22	156	232
Total comprehensive income attributable to Core & Main, Inc.	$ 392	$ 353	$ 393