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SEGMENT INFORMATION - Depreciation and Amortization (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Depreciation and Amortization
Property Additions	$ 114	$ 162	$ 219
Depreciation and amortization	133	159	156
Operating Segments
Depreciation and Amortization
Property Additions	111	126	174
Depreciation and amortization	125	121	112
Operating Segments | Plumbing Products
Depreciation and Amortization
Property Additions	86	108	120
Depreciation and amortization	84	80	77
Operating Segments | Decorative Architectural Products
Depreciation and Amortization
Property Additions	25	18	54
Depreciation and amortization	41	41	35
Corporate, Non-Segment
Depreciation and Amortization
Property Additions	2	2	7
Depreciation and amortization	8	9	8
Discontinued operations
Depreciation and Amortization
Property Additions	1	34	38
Depreciation and amortization	$ 0	$ 29	$ 36

X

- Definition

The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 22
-Subparagraph (e)
-URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585

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X

- Definition

Amount of acquisition of long-lived, physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

+ References

No definition available.

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- Definition

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+ References

No definition available.

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