GOODWILL AND OTHER INTANGIBLE ASSETS - Goodwill, Net (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
Dec. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Mar. 09, 2018
Goodwill
Gross Goodwill	$ 926	$ 924	$ 926	$ 868
Accumulated Impairment Losses	(415)	(415)	(415)	(415)
Net Goodwill	511	509	511	453
Goodwill, Acquired During Period		0	64
Plumbing Products [Member]
Goodwill
Gross Goodwill	568	566	568	574
Accumulated Impairment Losses	(340)	(340)	(340)	(340)
Net Goodwill	228	226	228	234
Goodwill, Acquired During Period	0		0	38
Decorative Architectural Products [Member]
Goodwill
Gross Goodwill	358	358	358	294
Accumulated Impairment Losses	(75)	(75)	(75)	(75)
Net Goodwill	$ 283	283	283	$ 219
Goodwill, Acquired During Period		0	$ 64
The LD Kichler Co [Member] \| Decorative Architectural Products [Member]
Goodwill
Net Goodwill		$ 64			$ 46

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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