Revenue (Details) - USD ($) $ in Millions	3 Months Ended
	May 04, 2025	Apr. 28, 2024
Disaggregation of Revenue [Line Items]
Total net sales	$ 1,911	$ 1,741
Pipes, valves & fittings products
Disaggregation of Revenue [Line Items]
Total net sales	1,297	1,169
Storm drainage products
Disaggregation of Revenue [Line Items]
Total net sales	295	253
Fire protection products
Disaggregation of Revenue [Line Items]
Total net sales	152	167
Meter products
Disaggregation of Revenue [Line Items]
Total net sales	$ 167	$ 152