Acquisitions (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
	Jun. 30, 2018	Jun. 30, 2018	Mar. 09, 2018	Dec. 31, 2017
Business Acquisition [Line Items]
Goodwill	$ 890	$ 890		$ 841
Decorative Architectural Products
Business Acquisition [Line Items]
Goodwill	274	274		$ 219
The LD Kichler Co | Decorative Architectural Products
Business Acquisition [Line Items]
Net sales	$ 108	135
Cash acquired			$ 2
Receivables			101
Inventories			169
Other current assets			5
Property and equipment			33
Goodwill			55
Other intangible assets			240
Accounts payable			(24)
Accrued liabilities			(27)
Other liabilities			(4)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net			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
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life		20 years
The LD Kichler Co | Other Intangible Assets | Decorative Architectural Products
Business Acquisition [Line Items]
Finite-lived Intangible Assets Acquired		$ 36
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life		3 years
Scenario, Previously Reported | The LD Kichler Co | Decorative Architectural Products
Business Acquisition [Line Items]
Receivables			101
Inventories			173
Other current assets			5
Property and equipment			33
Goodwill			46
Other intangible assets			243
Accounts payable			(24)
Accrued liabilities			(25)
Other liabilities			$ (4)