GOODWILL AND OTHER INTANGIBLE ASSETS - Goodwill, Net (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2023	Dec. 31, 2022
Goodwill [Line Items]
Goodwill, Gross	$ 1,033	$ 977
Accumulated Impairment Losses	(440)	(440)
Net Goodwill	593	537
Acquisitions	60
Foreign Currency Translation	(4)
Plumbing Products
Goodwill [Line Items]
Goodwill, Gross	667	611
Accumulated Impairment Losses	(301)	(301)
Net Goodwill	366	310
Acquisitions	60
Foreign Currency Translation	(4)
Decorative Architectural Products
Goodwill [Line Items]
Goodwill, Gross	366	366
Accumulated Impairment Losses	(139)	(139)
Net Goodwill	227	$ 227
Acquisitions	0
Foreign Currency Translation	$ 0