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Dispositions Dispositions (Net Income (Loss) from Discontinued Operations) (Details) - USD ($) $ in Millions | 3 Months Ended |  |
--- | --- | --- | ---
Mar. 31, 2017 | Mar. 31, 2016 | Dec. 31, 2016 | Nov. 16, 2016
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Discontinued Operation, Gain (Loss) from Disposal of Discontinued Operation, before Income Tax | $ 32 | $ 0 |  |
Net (loss) income from discontinued operations | 38 | (4) |  |
Other assets | 2,010 |  | $ 1,956 |
TF Holdings Limited | Discontinued Operations, Disposed of by Sale |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Contingent consideration asset |  |  |  | $ 120
Other assets | 49 |  |  |
Tenke Fungurume [Member] | Discontinued Operations, Held-for-sale [Member] |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Disposal Group, Including Discontinued Operation, Revenue | 9 | 285 |  |
Disposal Group, Including Discontinued Operations, Production and delivery | 0 | 226 |  |
Disposal Group, Including Discontinued Operation, Depreciation and Amortization | 0 | 60 |  |
Disposal Group, Including Discontinued Operation, Interest Expense | 0 | 10 |  |
Discontinued Operation, Income (Loss) from Discontinued Operation During Phase-out Period, before Income Tax | 9 | (11) |  |
Discontinued Operation, Gain (Loss) from Disposal of Discontinued Operation, before Income Tax | 32 | 0 |  |
Discontinued Operation, Income (Loss) from Discontinued Operation, before Income Tax | 41 | (11) |  |
Discontinued Operation, Tax Effect of Discontinued Operation | (3) | 7 |  |
Net (loss) income from discontinued operations | 38 | (4) |  |
Consolidation, Eliminations [Member] |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Net (loss) income from discontinued operations | 0 | (10) |  |
Consolidation, Eliminations [Member] | TF Holdings Limited | Discontinued Operations, Disposed of by Sale |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Disposal Group, Including Discontinued Operation, Revenue | $ (9) | $ 32 |  |

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