GOODWILL AND OTHER INTANGIBLE ASSETS - Changes in the Carrying Amount of Goodwill (Details) - USD ($)	1 Months Ended	3 Months Ended			12 Months Ended
	May 31, 2021	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2022	Dec. 31, 2021
Goodwill [Line Items]
Gross Goodwill		$ 977,000,000	$ 989,000,000	$ 978,000,000	$ 977,000,000	$ 989,000,000
Accumulated Impairment Losses		(440,000,000)	(421,000,000)	(415,000,000)	(440,000,000)	(421,000,000)
Changes in the carrying amount of goodwill
Beginning balance					568,000,000	563,000,000
Acquisitions					0	64,000,000
Pre-tax Impairment Charge		0	0	0	(19,000,000)	(45,000,000)
Other					(12,000,000)	(14,000,000)
Ending balance		537,000,000	568,000,000	563,000,000	537,000,000	568,000,000
Plumbing Products
Goodwill [Line Items]
Gross Goodwill		611,000,000	623,000,000	613,000,000	611,000,000	623,000,000
Accumulated Impairment Losses		(301,000,000)	(301,000,000)	(340,000,000)	(301,000,000)	(301,000,000)
Changes in the carrying amount of goodwill
Beginning balance					322,000,000	273,000,000
Acquisitions					0	63,000,000
Pre-tax Impairment Charge					0	0
Other					(12,000,000)	(14,000,000)
Ending balance		310,000,000	322,000,000	273,000,000	310,000,000	322,000,000
Goodwill, written off related to sale of business unit	$ 39,000,000
Decorative Architectural Products
Goodwill [Line Items]
Gross Goodwill		366,000,000	366,000,000	365,000,000	366,000,000	366,000,000
Accumulated Impairment Losses		(139,000,000)	(120,000,000)	(75,000,000)	(139,000,000)	(120,000,000)
Changes in the carrying amount of goodwill
Beginning balance					246,000,000	290,000,000
Acquisitions					0	1,000,000
Pre-tax Impairment Charge		(19,000,000)	(45,000,000)		(19,000,000)	(45,000,000)
Other					0	0
Ending balance		$ 227,000,000	$ 246,000,000	$ 290,000,000	$ 227,000,000	$ 246,000,000