Goodwill and Other Intangible Assets - Goodwill Rollforward (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2019	Dec. 31, 2018
Goodwill [Line Items]
Goodwill, Other Increase (Decrease)	$ (5)
Gross goodwill at period start		$ 1,102	$ 1,107
Accumulated Impairment Losses		(415)	(415)
Goodwill	687	687	692
Goodwill [Roll Forward]
Beginning balance	692
Ending balance	687
Plumbing Products
Goodwill [Line Items]
Goodwill, Other Increase (Decrease)	(5)
Gross goodwill at period start		563	568
Accumulated Impairment Losses		(340)	(340)
Goodwill	223	223	228
Goodwill [Roll Forward]
Beginning balance	228
Ending balance	223
Decorative Architectural Products
Goodwill [Line Items]
Goodwill, Other Increase (Decrease)	0
Gross goodwill at period start		358	358
Accumulated Impairment Losses		(75)	(75)
Goodwill	283	283	283
Goodwill [Roll Forward]
Beginning balance	283
Ending balance	283
Cabinetry Products
Goodwill [Line Items]
Goodwill, Other Increase (Decrease)	0
Gross goodwill at period start		181	181
Accumulated Impairment Losses		0	0
Goodwill	181	$ 181	$ 181
Goodwill [Roll Forward]
Beginning balance	181
Ending balance	$ 181