Revenue (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Oct. 27, 2024	Oct. 29, 2023	Oct. 27, 2024	Oct. 29, 2023
Disaggregation of Revenue [Line Items]
Total net sales	$ 2,038	$ 1,827	$ 5,743	$ 5,262
Pipes, valves & fittings products
Disaggregation of Revenue [Line Items]
Total net sales	1,386	1,222	3,884	3,579
Storm drainage products
Disaggregation of Revenue [Line Items]
Total net sales	327	290	886	783
Fire protection products
Disaggregation of Revenue [Line Items]
Total net sales	145	170	455	513
Meter products
Disaggregation of Revenue [Line Items]
Total net sales	$ 180	$ 145	$ 518	$ 387