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Goodwill and Other Intangible Assets - Narrative (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Dec. 31, 2018
Goodwill [Line Items]
Other indefinite-lived intangible assets	$ 190	$ 199
Carrying value of definite-lived intangible assets	202	207
Accumulated amortization	35	$ 29
Windows and Other Specialty Products
Goodwill [Line Items]
Goodwill, impairment loss	(7)
Decorative Architectural Products
Goodwill [Line Items]
Goodwill, impairment loss	0
Impairment of intangible assets	$ 9

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- Definition

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

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