Revenue (Details) - USD ($) $ in Millions	3 Months Ended
	Apr. 30, 2023	May 01, 2022
Disaggregation of Revenue [Line Items]
Total net sales	$ 1,574	$ 1,598
Pipes, valves & fittings products
Disaggregation of Revenue [Line Items]
Total net sales	1,074	1,110
Storm drainage products
Disaggregation of Revenue [Line Items]
Total net sales	215	209
Fire protection products
Disaggregation of Revenue [Line Items]
Total net sales	169	172
Meter products
Disaggregation of Revenue [Line Items]
Total net sales	$ 116	$ 107