| **Income Taxes - Reconciliation of Income Tax to Statutory Income Tax (Details) - USD ($) $ in Millions** | 12 Months Ended |
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| **Income Tax Disclosure [Abstract]**                                                                      |            |   |   |
| Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount                     | $ 36            | $ 195 | $ 341 |
| Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount                            | 0               | (4) | (4) |
| Effective Income Tax Rate Reconciliation, Tax Credit, Amount                                              | 4               | (5) | 0 |
| Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount       | (41)            | (234) | (350) |
| Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Amount                    | (48)            | (31) | (8) |
| Effective Income Tax Rate Reconciliation, Repatriation of Foreign Earnings, Amount                        | (31)            | (6) | 0 |
| Effective Income Tax Rate Reconciliation, Tax Contingency, Amount                                         | (1)             | 15 | (16) |
| Effective Income Tax Rate Reconciliation, Tax Expense related to Equity Components                        | 0               | 13 | 220 |
| Effective Income Tax Rate Reconciliation, Noncontrolling Interest Income (Loss), Amount                   | 11              | 14 | 19 |
| Effective Income Tax Rate Reconciliation, Other Adjustments, Amount                                       | 19              | 17 | (31) |
| Income Tax Expense (Benefit)                                                                              | $ (51)          | $ (26) | $ 171 |

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| - Definition
Effective Income Tax Rate Reconciliation, Tax Expense related to Equity Components
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| - Definition
Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.
+ References
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| - Definition
Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to increase (decrease) in the valuation allowance for deferred tax assets.
+ References
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| - Definition
Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to foreign income tax expense (benefit).
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| - Definition
The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations.
+ References
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| - Definition
Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to noncontrolling interest income (loss) exempt from income taxes.
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| - Definition
Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to other adjustments.
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| - Definition
Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to repatriation of foreign earnings.
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| - Definition
Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to state and local income tax expense (benefit).
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| - Definition
Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to increase (decrease) in income tax contingencies. Including, but not limited to, domestic tax contingency, foreign tax contingency, state and local tax contingency, and other contingencies.
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| - Definition
Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to tax credits. Including, but not limited to, research credit, foreign tax credit, investment tax credit, and other tax credits.
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