Goodwill and Other Intangible Assets - Goodwill Rollforward (Details) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2022	Dec. 31, 2021
Goodwill [Roll Forward]
Gross goodwill	$ 975	$ 989
Accumulated Impairment Losses	(421)	(421)
Net goodwill	554	568
Other	(14)
Net goodwill, ending balance	554
Plumbing Products
Goodwill [Roll Forward]
Gross goodwill	609	623
Accumulated Impairment Losses	(301)	(301)
Net goodwill	308	322
Other	(14)
Net goodwill, ending balance	308
Gross goodwill decrease and accumulated impairment losses	39
Decorative Architectural Products
Goodwill [Roll Forward]
Gross goodwill	366	366
Accumulated Impairment Losses	(120)	(120)
Net goodwill	246	$ 246
Other	0
Net goodwill, ending balance	$ 246