Revenue (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Oct. 30, 2022	Oct. 31, 2021	Oct. 30, 2022	Oct. 31, 2021
Disaggregation of Revenue [Line Items]
Total net sales	$ 1,818	$ 1,405	$ 5,277	$ 3,758
Pipes, valves & fittings products
Disaggregation of Revenue [Line Items]
Total net sales	1,238	943	3,639	2,536
Storm drainage products
Disaggregation of Revenue [Line Items]
Total net sales	282	206	757	509
Fire protection products
Disaggregation of Revenue [Line Items]
Total net sales	180	152	544	409
Meter products
Disaggregation of Revenue [Line Items]
Total net sales	$ 118	$ 104	$ 337	$ 304