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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, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |
Segment Reporting Information Adjusted Pretax Contribution | $ 1,418 | $ 1,247 | $ 1,240
Reconciliation To Income From Continuing Operations Before Taxes |  |  |
INCOME (LOSS) FROM CONTINUING OPERATIONS BEFORE TAXES AND EQUITY IN EARNINGS OF AFFILIATES | (1,064) | 488 | 1,001
Net equity in losses of affiliates | (24) | (123) | (172)
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest | 644 | 192 | 277
Pre-tax contribution | (444) | 173 | 552
Unrealized derivative and equity securities losses (gains) | 1 | (3) | (113)
Unrealized foreign currency losses (gains) | (14) | 10 | (36)
Disposition/acquisition losses | (861) | (112) | (12)
Impairment losses | (1,153) | (928) | (406)
Loss on extinguishment of debt | (91) | (223) | (121)
Gain (Loss) on Contract Termination | (256) | (182) | 0
Operating Segments | US and Utilities SBU |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |
Segment Reporting Information Adjusted Pretax Contribution | 660 | 505 | 569
Reconciliation To Income From Continuing Operations Before Taxes |  |  |
Net equity in losses of affiliates | 83 | (8) | 11
Operating Segments | South America |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |
Segment Reporting Information Adjusted Pretax Contribution | 423 | 534 | 504
Reconciliation To Income From Continuing Operations Before Taxes |  |  |
Net equity in losses of affiliates | 0 | (80) | (129)
Operating Segments | MCAC SBU |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |
Segment Reporting Information Adjusted Pretax Contribution | 314 | 287 | 367
Reconciliation To Income From Continuing Operations Before Taxes |  |  |
Net equity in losses of affiliates | (23) | (11) | (13)
Operating Segments | EURASIA [Member] |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |
Segment Reporting Information Adjusted Pretax Contribution | 196 | 177 | 159
Reconciliation To Income From Continuing Operations Before Taxes |  |  |
Net equity in losses of affiliates | 2 | 4 | (9)
Intersegment Eliminations |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |
Segment Reporting Information Adjusted Pretax Contribution | 7 | 0 | (12)
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 | (182) | (256) | (347)
Reconciliation To Income From Continuing Operations Before Taxes |  |  |
Net equity in losses of affiliates | $ (86) | $ (28) | $ (32)

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