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Goodwill and Other Intangible Assets - Goodwill Rollforward (Details) - USD ($) $ in Millions | 6 Months Ended |  |  |
--- | --- | --- | --- | ---
Jun. 30, 2018 | Jun. 30, 2018 | Mar. 09, 2018 | Dec. 31, 2017
Goodwill [Line Items] |  |  |  |
Indefinite-Lived Intangible Assets (Excluding Goodwill) |  | $ 199 |  | $ 140
Goodwill, gross at period start | $ 1,767 |  |  |
Accumulated Impairment Losses |  | (926) |  | (926)
Goodwill, gross at period end | 1,816 |  |  |
Goodwill [Roll Forward] |  |  |  |
Beginning balance | 841 |  |  |
Additions | 55 |  |  |
Other | (6) |  |  |
Ending balance | 841 | 890 |  | 841
Finite-Lived Intangible Assets, Net |  | 218 |  | 47
Plumbing Products |  |  |  |
Goodwill [Line Items] |  |  |  |
Goodwill, gross at period start | 574 |  |  |
Accumulated Impairment Losses |  | (340) |  | (340)
Goodwill, gross at period end | 569 |  |  |
Goodwill [Roll Forward] |  |  |  |
Beginning balance | 234 |  |  |
Additions | 0 |  |  |
Other | (5) |  |  |
Ending balance | 234 | 229 |  | 234
Decorative Architectural Products |  |  |  |
Goodwill [Line Items] |  |  |  |
Goodwill, gross at period start | 294 |  |  |
Accumulated Impairment Losses |  | (75) |  | (75)
Goodwill, gross at period end | 349 |  |  |
Goodwill [Roll Forward] |  |  |  |
Beginning balance | 219 |  |  |
Other | 0 |  |  |
Ending balance | 219 | 274 |  | 219
Cabinetry Products |  |  |  |
Goodwill [Line Items] |  |  |  |
Goodwill, gross at period start | 181 |  |  |
Accumulated Impairment Losses |  | 0 |  | 0
Goodwill, gross at period end | 181 |  |  |
Goodwill [Roll Forward] |  |  |  |
Beginning balance | 181 |  |  |
Additions | 0 |  |  |
Other | 0 |  |  |
Ending balance | 181 | 181 |  | 181
Windows and Other Specialty Products |  |  |  |
Goodwill [Line Items] |  |  |  |
Goodwill, gross at period start | 718 |  |  |
Accumulated Impairment Losses |  | (511) |  | (511)
Goodwill, gross at period end | 717 |  |  |
Goodwill [Roll Forward] |  |  |  |
Beginning balance | 207 |  |  |
Additions | 0 |  |  |
Other | (1) |  |  |
Ending balance | 207 | $ 206 |  | $ 207
The LD Kichler Co | Decorative Architectural Products |  |  |  |
Goodwill [Roll Forward] |  |  |  |
Additions | $ 55 |  |  |
Ending balance |  |  | $ 55 |

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