Goodwill and Other Intangible Assets - Narrative (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Mar. 31, 2019	Jun. 30, 2019	Dec. 31, 2018
Goodwill [Line Items]
Other indefinite-lived intangible assets		$ 190	$ 199
Carrying value of definite-lived intangible assets		197	207
Accumulated amortization		41	$ 29
Windows and Other Specialty Products
Goodwill [Line Items]
Goodwill, impairment loss	$ 7	(7)
Decorative Architectural Products
Goodwill [Line Items]
Goodwill, impairment loss		$ 0
Impairment of intangible assets	$ 9

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

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Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of impairment loss resulting from write-down of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit to fair value.

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Amount of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit.

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