Non-controlling Interests (Details) - Holdings - shares			9 Months Ended
	Jul. 30, 2023	Jan. 30, 2022	Oct. 29, 2023	Jan. 29, 2023
Partnership Interests
Partnership Interests (in units)			220,835,784	245,236,634
Issuance of Partnership Interests (in units)			260,586
Exchange of Partnership Interests (in units)			(25,690)
Vesting of Partnership Interests (in units)			364,254
Ownership Percentage
Ownership Percentage	100.00%	100.00%
Partnership Interests, Retirement, Increase (Decrease), Percentage			0.00%
Partnership Interests, Retirement, Units			(25,000,000)
Issuance of Partnership Interests (percent)			0.00%
Exchange of Partnership Interests (percent)			0.00%
Vesting of Partnership Interests (percent)			0.00%
Core & Main
Partnership Interests
Partnership Interests (in units)			173,340,005	172,765,161
Issuance of Partnership Interests (in units)			260,586
Exchange of Partnership Interests (in units)			(15,942,897)
Vesting of Partnership Interests (in units)			0
Ownership Percentage
Ownership Percentage	78.50%	70.40%
Partnership Interests, Retirement, Increase (Decrease), Percentage			(0.90%)
Partnership Interests, Retirement, Units			(15,628,639)
Issuance of Partnership Interests (percent)			0.10%
Exchange of Partnership Interests (percent)			(7.20%)
Vesting of Partnership Interests (percent)			0.10%
Continuing Limited Partners
Partnership Interests
Partnership Interests (in units)			47,495,779	72,471,473
Issuance of Partnership Interests (in units)			0
Exchange of Partnership Interests (in units)			(15,968,587)
Vesting of Partnership Interests (in units)			364,254
Ownership Percentage
Ownership Percentage	21.50%	29.60%
Partnership Interests, Retirement, Increase (Decrease), Percentage			(0.90%)
Partnership Interests, Retirement, Units			(9,371,361)
Issuance of Partnership Interests (percent)			(0.10%)
Exchange of Partnership Interests (percent)			(7.20%)
Vesting of Partnership Interests (percent)			0.10%