Non-controlling Interests	9 Months Ended
Nov. 02, 2025
Noncontrolling Interest [Abstract]
Non-controlling Interests	NON-CONTROLLING INTERESTSCore & Main consolidates the consolidated financial statements of Holdings and attributes a portion of net income and equity of Holdings to non-controlling interests related to the vested Partnership Interests held by Management Feeder. The Company had non-controlling interests of 3.4% and 3.9% as of November 2, 2025 and February 2, 2025, respectively.

The entire disclosure for noncontrolling interest in consolidated subsidiaries, which could include the name of the subsidiary, the ownership percentage held by the parent, the ownership percentage held by the noncontrolling owners, the amount of the noncontrolling interest, the location of this amount on the balance sheet (when not reported separately), an explanation of the increase or decrease in the amount of the noncontrolling interest, the noncontrolling interest share of the net Income or Loss of the subsidiary, the location of this amount on the income statement (when not reported separately), the nature of the noncontrolling interest such as background information and terms, the amount of the noncontrolling interest represented by preferred stock, a description of the preferred stock, and the dividend requirements of the preferred stock.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 810
-Name Accounting Standards Codification
-Publisher FASB
-URI https://asc.fasb.org/810/tableOfContent

Name:	us-gaap_MinorityInterestDisclosureTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration