Revenue (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 30, 2023	Jul. 31, 2022	Jul. 30, 2023	Jul. 31, 2022
Disaggregation of Revenue [Line Items]
Total net sales	$ 1,861	$ 1,861	$ 3,435	$ 3,459
Pipes, valves & fittings products
Disaggregation of Revenue [Line Items]
Total net sales	1,283	1,291	2,357	2,401
Storm drainage products
Disaggregation of Revenue [Line Items]
Total net sales	278	266	493	475
Fire protection products
Disaggregation of Revenue [Line Items]
Total net sales	174	192	343	364
Meter products
Disaggregation of Revenue [Line Items]
Total net sales	$ 126	$ 112	$ 242	$ 219