Acquisitions - Allocation of Transaction Price (Details) - USD ($) $ in Millions	Jan. 30, 2022	Aug. 30, 2021	Aug. 09, 2021	Jan. 31, 2021	Mar. 11, 2020	Feb. 02, 2020	Jul. 08, 2019
Allocation of transaction price
Goodwill	$ 1,515			$ 1,453		$ 1,362
L&M
Allocation of transaction price
Cash		$ 0
Accounts receivable		7
Inventories		16
Intangible assets		19
Goodwill		18
Operating lease right-of-use assets		2
Other assets, current and non-current		5
Total assets acquired		67
Accounts payable		3
Deferred income taxes		0
Contingent consideration		0
Operating lease liabilities		2
Other liabilities, current and non-current		0
Net assets acquired		$ 62
Pacific Pipe
Allocation of transaction price
Cash			$ 2
Accounts receivable			10
Inventories			17
Intangible assets			47
Goodwill			41
Operating lease right-of-use assets			17
Other assets, current and non-current			6
Total assets acquired			140
Accounts payable			5
Deferred income taxes			12
Contingent consideration			0
Operating lease liabilities			17
Other liabilities, current and non-current			0
Net assets acquired			$ 106
R&B
Allocation of transaction price
Cash					$ 3
Accounts receivable					25
Inventories					20
Intangible assets					114
Goodwill					89
Operating lease right-of-use assets					9
Other assets, current and non-current					11
Total assets acquired					271
Accounts payable					18
Deferred income taxes					31
Contingent consideration					0
Operating lease liabilities					9
Other liabilities, current and non-current					4
Net assets acquired					$ 209
LIP
Allocation of transaction price
Cash							$ 0
Accounts receivable							31
Inventories							37
Intangible assets							94
Goodwill							51
Operating lease right-of-use assets							18
Other assets, current and non-current							6
Total assets acquired							237
Accounts payable							14
Deferred income taxes							0
Contingent consideration							2
Operating lease liabilities							18
Other liabilities, current and non-current							3
Net assets acquired							$ 200