Acquisitions (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2019	Dec. 31, 2018	Mar. 09, 2018
Business Acquisition [Line Items]
Goodwill	$ 687	$ 692
Decorative Architectural Products
Business Acquisition [Line Items]
Goodwill	283	$ 283
The LD Kichler Co | Decorative Architectural Products
Business Acquisition [Line Items]
Cash acquired			$ 2
Receivables	100		101
Inventories	166		173
Other current assets	5		5
Property and equipment	33		33
Goodwill	64		46
Other intangible assets	240		243
Accounts payable	(24)		(24)
Accrued liabilities	(30)		(25)
Other liabilities	(5)		(4)
Total	549		$ 548
Indefinite-lived intangible assets acquired	59
Finite-lived intangible assets acquired	181
The LD Kichler Co | Customer Relationships | Decorative Architectural Products
Business Acquisition [Line Items]
Finite-lived intangible assets acquired	$ 145
Weighted average useful life (in years)	20 years
The LD Kichler Co | Other Intangible Assets | Decorative Architectural Products
Business Acquisition [Line Items]
Finite-lived intangible assets acquired	$ 36
Weighted average useful life (in years)	3 years