v3.25.1
Cover
Jun. 10, 2025
Cover [Abstract]  
Document Type 8-K
Document Period End Date Jun. 10, 2025
Entity Registrant Name Core & Main, Inc.
Entity Incorporation, State or Country Code DE
Entity File Number 001-40650
Entity Tax Identification Number 86-3149194
Entity Address, Address Line One 1830 Craig Park Court
Entity Address, City or Town St. Louis
Entity Address, State or Province MO
Entity Address, Postal Zip Code 63146
City Area Code 314
Local Phone Number 432-4700
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Class A common stock, par value $0.01 per share
Trading Symbol CNM
Security Exchange Name NYSE
Entity Emerging Growth Company false
Entity Central Index Key 0001856525
Amendment Flag false