Acquisitions - Narrative (Details) $ in Millions	6 Months Ended
	Jul. 30, 2023 USD ($)	Jul. 31, 2022 USD ($)	Jul. 12, 2023 branch_location	Jul. 10, 2023 branch_location	Apr. 17, 2023 branch_location	Mar. 06, 2023 branch_location	Jun. 28, 2022 branch_location	May 02, 2022 branch_location	Mar. 21, 2022 branch_location
Business Acquisition [Line Items]
Transaction value | $	$ 161	$ 42
Business Acquisition, Goodwill, Expected Tax Deductible Amount | $	$ 3	$ 12
J.W. D’Angelo Co.
Business Acquisition [Line Items]
Number of branch locations acquired			3
Foster Supply Inc.
Business Acquisition [Line Items]
Number of branch locations acquired				7
Midwest Pipe Supply Inc.
Business Acquisition [Line Items]
Number of branch locations acquired					1
Landscape & Construction Supplies LLC
Business Acquisition [Line Items]
Number of branch locations acquired						2
Earthsavers Erosion Control, LLC
Business Acquisition [Line Items]
Number of branch locations acquired							3
Lock City Supply, Inc.
Business Acquisition [Line Items]
Number of branch locations acquired								1
Dodson Engineered Products, Inc.
Business Acquisition [Line Items]
Number of branch locations acquired									1