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Revenue (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Dec. 31, 2018
Disaggregation of Revenue [Line Items]
Net sales	$ 1,947	$ 1,904	$ 5,787	$ 5,743
Contract with customer, asset, gross, current	2		2		$ 2
Contract with customer, liability	16		16		$ 39
Performance obligation satisfied in previous period of the same year	(2)	2
Performance obligation satisfied in previous period	0	1	1	4
Plumbing Products
Disaggregation of Revenue [Line Items]
Net sales	1,006	992	2,958	2,995
Decorative Architectural Products
Disaggregation of Revenue [Line Items]
Net sales	710	673	2,110	2,024
Cabinetry Products
Disaggregation of Revenue [Line Items]
Net sales	231	239	719	724
North America
Disaggregation of Revenue [Line Items]
Net sales	1,605	1,565	4,752	4,653
North America | Plumbing Products
Disaggregation of Revenue [Line Items]
Net sales	664	653	1,923	1,905
North America | Decorative Architectural Products
Disaggregation of Revenue [Line Items]
Net sales	710	673	2,110	2,024
North America | Cabinetry Products
Disaggregation of Revenue [Line Items]
Net sales	231	239	719	724
International, principally Europe
Disaggregation of Revenue [Line Items]
Net sales	342	339	1,035	1,090
International, principally Europe | Plumbing Products
Disaggregation of Revenue [Line Items]
Net sales	342	339	1,035	1,090
International, principally Europe | Decorative Architectural Products
Disaggregation of Revenue [Line Items]
Net sales	0	0	0	0
International, principally Europe | Cabinetry Products
Disaggregation of Revenue [Line Items]
Net sales	$ 0	$ 0	$ 0	$ 0

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