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GOODWILL AND OTHER INTANGIBLE ASSETS - Goodwill, Net (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
	Jun. 30, 2024	Jun. 30, 2024	Dec. 31, 2023
Goodwill [Line Items]
Goodwill, Gross	$ 1,040	$ 1,040	$ 1,043
Accumulated Impairment Losses	(440)	(440)	(440)
Net Goodwill	601	601	604
Acquisitions		4
Foreign Currency Translation		(7)
Plumbing Products
Goodwill [Line Items]
Goodwill, Gross	670	670	677
Accumulated Impairment Losses	(301)	(301)	(301)
Net Goodwill	370	370	377
Acquisitions		0
Foreign Currency Translation		(7)
Decorative Architectural Products
Goodwill [Line Items]
Goodwill, Gross	370	370	366
Accumulated Impairment Losses	(139)	(139)	(139)
Net Goodwill	230	230	$ 227
Acquisitions	$ 4	4
Foreign Currency Translation		$ 0

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