Segment Information (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Segment Information
Net sales	$ 1,764	$ 1,839	$ 3,345	$ 3,352
Operating Profit (Loss)	339	347	564	544
Other income (expense), net	(37)	(44)	(88)	(88)
Income from continuing operations before income taxes	302	303	476	456
North America
Segment Information
Net sales	1,480	1,488	2,738	2,659
International, principally Europe
Segment Information
Net sales	284	351	607	693
Plumbing Products
Segment Information
Net sales	868	1,012	1,823	1,952
Plumbing Products \| North America
Segment Information
Net sales	584	661	1,216	1,259
Plumbing Products \| International, principally Europe
Segment Information
Net sales	284	351	607	693
Decorative Architectural Products
Segment Information
Net sales	896	827	1,522	1,400
Decorative Architectural Products \| North America
Segment Information
Net sales	896	827	1,522	1,400
Decorative Architectural Products \| International, principally Europe
Segment Information
Net sales	0	0	0	0
Operating Segments
Segment Information
Net sales	1,764	1,839	3,345	3,352
Operating Profit (Loss)	356	371	608	597
Operating Segments \| Plumbing Products
Segment Information
Net sales	868	1,012	1,823	1,952
Operating Profit (Loss)	155	198	312	351
Operating Segments \| Decorative Architectural Products
Segment Information
Net sales	896	827	1,522	1,400
Operating Profit (Loss)	201	173	296	246
Geographic Areas
Segment Information
Net sales	1,764	1,839	3,345	3,352
Operating Profit (Loss)	356	371	608	597
Geographic Areas \| North America
Segment Information
Net sales	1,480	1,488	2,738	2,659
Operating Profit (Loss)	321	316	531	497
Geographic Areas \| International, principally Europe
Segment Information
Net sales	284	351	607	693
Operating Profit (Loss)	35	55	77	100
Corporate, Non-Segment
Segment Information
General corporate expense, net	$ (17)	$ (24)	$ (44)	$ (53)

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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