GOODWILL AND OTHER INTANGIBLE ASSETS - Goodwill Rollforward (Details) - USD ($) $ in Millions	1 Months Ended	3 Months Ended
	May 31, 2021	Mar. 31, 2022	Dec. 31, 2021
Goodwill [Line Items]
Gross goodwill		$ 986	$ 989
Accumulated Impairment Losses		(421)	(421)
Net goodwill		565	568
Goodwill [Roll Forward]
Beginning balance		568
Other		(3)
Ending balance		565
Plumbing Products
Goodwill [Line Items]
Gross goodwill		620	623
Accumulated Impairment Losses		(301)	(301)
Net goodwill		319	322
Goodwill [Roll Forward]
Beginning balance		322
Other		(3)
Ending balance		319
Goodwill, written off related to sale of business unit	$ 39
Decorative Architectural Products
Goodwill [Line Items]
Gross goodwill		366	366
Accumulated Impairment Losses		(120)	(120)
Net goodwill		246	$ 246
Goodwill [Roll Forward]
Beginning balance		246
Other		0
Ending balance		$ 246