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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 |  |

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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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