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Goodwill and Other Intangible Assets - Goodwill Rollforward (Details) - USD ($) $ in Millions | 9 Months Ended |  |
--- | --- | --- | ---
Sep. 30, 2018 | Sep. 30, 2018 | Dec. 31, 2017
Goodwill [Line Items] |  |  |
Goodwill, gross at period start | $ 1,767 |  |
Accumulated Impairment Losses |  | $ (926) | $ (926)
Goodwill, gross at period end | 1,822 |  |
Goodwill [Roll Forward] |  |  |
Beginning balance | 841 |  |
Additions | 59 |  |
Other | (4) |  |
Ending balance | 841 | 896 | 841
Plumbing Products |  |  |
Goodwill [Line Items] |  |  |
Goodwill, gross at period start | 574 |  |
Accumulated Impairment Losses |  | (340) | (340)
Goodwill, gross at period end | 571 |  |
Goodwill [Roll Forward] |  |  |
Beginning balance | 234 |  |
Additions | 0 |  |
Other | (3) |  |
Ending balance | 234 | 231 | 234
Decorative Architectural Products |  |  |
Goodwill [Line Items] |  |  |
Goodwill, gross at period start | 294 |  |
Accumulated Impairment Losses |  | (75) | (75)
Goodwill, gross at period end | 353 |  |
Goodwill [Roll Forward] |  |  |
Beginning balance | 219 |  |
Additions | 59 |  |
Other | 0 |  |
Ending balance | 219 | 278 | 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

X
- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=77989000&loc=SL49117168-202975 + Details
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- Definition Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 + Details
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- Definition Amount before accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a,h) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 + Details
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