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Segments and Geographic Information Segment and Geographic Information (Adjusted Pre-Tax Contributions & Reconcilliation of Income Before Income Taxes) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |
Segment Reporting Information Adjusted Pretax Contribution | $ 842 | $ 1,177 | $ 1,187
Reconciliation To Income From Continuing Operations Before Taxes |  |  |
Unrealized derivative (gains) losses | (9) | (166) | (135)
Unrealized foreign currency losses | 23 | 96 | 110
Disposition/acquisition (gains) losses | 6 | (42) | (361)
Impairment losses | 933 | 504 | 415
Loss on extinguishment of debt | 29 | 179 | 274
INCOME FROM CONTINUING OPERATIONS BEFORE TAXES AND EQUITY IN EARNINGS OF AFFILIATES | 137 | 1,154 | 1,443
Net equity in earnings of affiliates | 36 | 105 | 19
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest | 313 | 653 | 578
Pre-tax contribution | (140) | 606 | 884
Operating Segments | US SBU |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |
Segment Reporting Information Adjusted Pretax Contribution | 347 | 360 | 445
Reconciliation To Income From Continuing Operations Before Taxes |  |  |
Net equity in earnings of affiliates | 9 | 0 | 0
Operating Segments | Andes SBU |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |
Segment Reporting Information Adjusted Pretax Contribution | 390 | 482 | 421
Reconciliation To Income From Continuing Operations Before Taxes |  |  |
Net equity in earnings of affiliates | 15 | 83 | 42
Operating Segments | Brazil SBU |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |
Segment Reporting Information Adjusted Pretax Contribution | 29 | 118 | 108
Reconciliation To Income From Continuing Operations Before Taxes |  |  |
Net equity in earnings of affiliates | 0 | 0 | 0
Operating Segments | MCAC SBU |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |
Segment Reporting Information Adjusted Pretax Contribution | 267 | 327 | 352
Reconciliation To Income From Continuing Operations Before Taxes |  |  |
Net equity in earnings of affiliates | (2) | 0 | 0
Operating Segments | Europe SBU |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |
Segment Reporting Information Adjusted Pretax Contribution | 187 | 235 | 348
Reconciliation To Income From Continuing Operations Before Taxes |  |  |
Net equity in earnings of affiliates | 10 | 10 | (25)
Operating Segments | Asia SBU |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |
Segment Reporting Information Adjusted Pretax Contribution | 96 | 96 | 46
Reconciliation To Income From Continuing Operations Before Taxes |  |  |
Net equity in earnings of affiliates | 3 | 8 | 10
Corporate, Non-Segment [Member] | Corporate and Other |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |
Segment Reporting Information Adjusted Pretax Contribution | (474) | (441) | (533)
Reconciliation To Income From Continuing Operations Before Taxes |  |  |
Net equity in earnings of affiliates | $ 1 | $ 4 | $ (8)

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