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Divestitures and Other Transactions - Performance Coatings (Summarized Financial Info) (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Income Statement Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |
Income (loss) from discontinued operations after income taxes | $ 4 |  | $ 64 |  | $ 491 |
Performance Coatings [Member] | Discontinued Operations [Member] |  |  |  |  |  |
Income Statement Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |
Net sales | 0 |  | 0 |  | 0 |
Income (loss) from discontinued operations before income taxes | 6 | [1] | (23) | [2] | 0 |
Benefit from income taxes | (3) |  | (1) |  | (15) | [3]
Income (loss) from discontinued operations after income taxes | $ 9 |  | $ (22) |  | $ 15 |
[1] | The year ended December 31, 2016 includes a pre-tax benefit of $6 primarily related to a postretirement settlement gain.
[2] | The year ended December 31, 2015 includes a pre-tax net charge of $(23) related to a postretirement settlement charge and other employee related settlement adjustments.
[3] | The year ended December 31, 2014 includes a tax benefit of $(15) related to a change in estimate of income taxes resulting from the filing of various tax returns impacted by the sale of Performance Coatings.

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