SEGMENT INFORMATION - Depreciation and Amortization (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Depreciation and Amortization
Property Additions	$ 162	$ 219	$ 173
Depreciation and amortization	159	156	127
Operating Segments
Depreciation and Amortization
Property Additions	126	174	134
Depreciation and amortization	121	112	79
Operating Segments | Plumbing Products [Member]
Depreciation and Amortization
Property Additions	108	120	115
Depreciation and amortization	80	77	63
Operating Segments | Decorative Architectural Products [Member]
Depreciation and Amortization
Property Additions	18	54	19
Depreciation and amortization	41	35	16
Corporate, Non-Segment
Depreciation and Amortization
Property Additions	2	7	12
Depreciation and amortization	9	8	13
Disposal Group, Held-for-sale, Not Discontinued Operations [Member] | Operating Segments
Depreciation and Amortization
Property Additions	0	0	1
Depreciation and amortization	0	0	1
Discontinued Operations, Held-for-sale [Member]
Depreciation and Amortization
Property Additions	34	38	26
Depreciation and amortization	$ 29	$ 36	$ 34