Segment Information (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019
Segment Information
Net sales	$ 1,581	$ 1,513
Operating Profit (Loss)	225	197
Other income (expense), net	(51)	(44)
Income from continuing operations before income taxes	174	153
North America
Segment Information
Net sales	1,258	1,171
International, principally Europe
Segment Information
Net sales	323	342
Plumbing Products
Segment Information
Net sales	955	940
Plumbing Products \| North America
Segment Information
Net sales	632	598
Plumbing Products \| International, principally Europe
Segment Information
Net sales	323	342
Decorative Architectural Products
Segment Information
Net sales	626	573
Decorative Architectural Products \| North America
Segment Information
Net sales	626	573
Decorative Architectural Products \| International, principally Europe
Segment Information
Net sales	0	0
Operating Segments
Segment Information
Net sales	1,581	1,513
Operating Profit (Loss)	252	226
Operating Segments \| Plumbing Products
Segment Information
Net sales	955	940
Operating Profit (Loss)	157	153
Operating Segments \| Decorative Architectural Products
Segment Information
Net sales	626	573
Operating Profit (Loss)	95	73
Geographic Areas
Segment Information
Net sales	1,581	1,513
Operating Profit (Loss)	252	226
Geographic Areas \| North America
Segment Information
Net sales	1,258	1,171
Operating Profit (Loss)	210	181
Geographic Areas \| International, principally Europe
Segment Information
Net sales	323	342
Operating Profit (Loss)	42	45
Corporate, Non-Segment
Segment Information
General corporate expense, net	$ (27)	$ (29)

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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