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Revenue (Details) - USD ($) $ in Millions	3 Months Ended
Revenue (Details) - USD ($) $ in Millions	Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018
Disaggregation of Revenue [Line Items]
Net sales	$ 1,908	$ 1,920
Contract with customer, asset, gross, current	13		$ 14
Contract with customer, liability	13		$ 41
Plumbing Products
Disaggregation of Revenue [Line Items]
Net sales	940	971
Decorative Architectural Products
Disaggregation of Revenue [Line Items]
Net sales	573	545
Cabinetry Products
Disaggregation of Revenue [Line Items]
Net sales	237	217
Windows and Other Specialty Products
Disaggregation of Revenue [Line Items]
Net sales	158	187
North America
Disaggregation of Revenue [Line Items]
Net sales	1,535	1,516
North America \| Plumbing Products
Disaggregation of Revenue [Line Items]
Net sales	598	605
North America \| Decorative Architectural Products
Disaggregation of Revenue [Line Items]
Net sales	573	545
North America \| Cabinetry Products
Disaggregation of Revenue [Line Items]
Net sales	237	217
North America \| Windows and Other Specialty Products
Disaggregation of Revenue [Line Items]
Net sales	127	149
International, principally Europe
Disaggregation of Revenue [Line Items]
Net sales	373	404
International, principally Europe \| Plumbing Products
Disaggregation of Revenue [Line Items]
Net sales	342	366
International, principally Europe \| Decorative Architectural Products
Disaggregation of Revenue [Line Items]
Net sales	0	0
International, principally Europe \| Cabinetry Products
Disaggregation of Revenue [Line Items]
Net sales	0	0
International, principally Europe \| Windows and Other Specialty Products
Disaggregation of Revenue [Line Items]
Net sales	$ 31	$ 38