Goodwill and Other Intangible Assets - Goodwill Rollforward (Details) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2016	Dec. 31, 2015
Goodwill [Roll Forward]
Goodwill, Gross	$ 2,048	$ 2,047
Accumulated Impairment Losses	(1,208)	(1,208)
Beginning balance	839
Other	1
Ending balance	840
Plumbing Products
Goodwill [Roll Forward]
Goodwill, Gross	527	525
Accumulated Impairment Losses	(340)	(340)
Beginning balance	185
Other	2
Ending balance	187
Decorative Architectural Products
Goodwill [Roll Forward]
Goodwill, Gross	294	294
Accumulated Impairment Losses	(75)	(75)
Beginning balance	219
Other	0
Ending balance	219
Cabinetry Products
Goodwill [Roll Forward]
Goodwill, Gross	240	240
Accumulated Impairment Losses	(59)	(59)
Beginning balance	181
Other	0
Ending balance	181
Windows and Other Specialty Products
Goodwill [Roll Forward]
Goodwill, Gross	987	988
Accumulated Impairment Losses	(734)	$ (734)
Beginning balance	254
Other	(1)
Ending balance	$ 253