Segment Information (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2019	Mar. 31, 2018
Segment Information
Net sales	$ 1,908	$ 1,920
Operating Profit (Loss)	211	244
Other income (expense), net	(43)	(44)
Income before income taxes	168	200
North America
Segment Information
Net sales	1,535	1,516
International, principally Europe
Segment Information
Net sales	373	404
Plumbing Products
Segment Information
Net sales	940	971
Plumbing Products \| North America
Segment Information
Net sales	598	605
Plumbing Products \| International, principally Europe
Segment Information
Net sales	342	366
Decorative Architectural Products
Segment Information
Net sales	573	545
Decorative Architectural Products \| North America
Segment Information
Net sales	573	545
Decorative Architectural Products \| International, principally Europe
Segment Information
Net sales	0	0
Cabinetry Products
Segment Information
Net sales	237	217
Cabinetry Products \| North America
Segment Information
Net sales	237	217
Cabinetry Products \| International, principally Europe
Segment Information
Net sales	0	0
Windows and Other Specialty Products
Segment Information
Net sales	158	187
Windows and Other Specialty Products \| North America
Segment Information
Net sales	127	149
Windows and Other Specialty Products \| International, principally Europe
Segment Information
Net sales	31	38
Operating Segments
Segment Information
Net sales	1,908	1,920
Operating Profit (Loss)	235	262
Operating Segments \| Plumbing Products
Segment Information
Net sales	940	971
Operating Profit (Loss)	153	163
Operating Segments \| Decorative Architectural Products
Segment Information
Net sales	573	545
Operating Profit (Loss)	73	89
Operating Segments \| Cabinetry Products
Segment Information
Net sales	237	217
Operating Profit (Loss)	20	6
Operating Segments \| Windows and Other Specialty Products
Segment Information
Net sales	158	187
Operating Profit (Loss)	(11)	4
Geographic Areas
Segment Information
Net sales	1,908	1,920
Operating Profit (Loss)	235	262
Geographic Areas \| North America
Segment Information
Net sales	1,535	1,516
Operating Profit (Loss)	202	218
Geographic Areas \| International, principally Europe
Segment Information
Net sales	373	404
Operating Profit (Loss)	33	44
Corporate, Non-Segment
Segment Information
General corporate expense, net	$ (24)	$ (18)

Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.

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