| **Income Taxes (Provision For (Benefit From) Income Taxes) (Details) - USD ($) $ in Millions** | 12 Months Ended |
|------------------------------------------------------------------------------------------------|-----------------|
||
| **Income Tax Disclosure [Abstract]**                                                           |            |   |   |
| Federal, Current                                                                               | $ 69            | $ 10 | $ (2) |
| State, Current                                                                                 | 5               | 0 | 1 |
| Foreign, Current                                                                               | 36              | 21 | 8 |
| Total, Current                                                                                 | 110             | 31 | 7 |
| Federal, Deferred                                                                              | (376)           | 17 | (9) |
| State, Deferred                                                                                | (14)            | 0 | (2) |
| Foreign, Deferred                                                                              | 1               | 2 | 3 |
| Total, Deferred                                                                                | (389)           | 19 | (8) |
| Total, Federal                                                                                 | (307)           | 27 | (11) |
| Total, State                                                                                   | (9)             | 0 | (1) |
| Total, Foreign                                                                                 | 37              | 23 | 11 |
| Total provision for (benefit from) income taxes                                                | $ (279)         | $ 50 | $ (1) |

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| - Definition
Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.
+ References
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Amount of current foreign income tax expense (benefit) pertaining to income (loss) from continuing operations.
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| - Definition
Amount of current income tax expense (benefit) pertaining to taxable income (loss) from continuing operations.
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Amount of current state and local tax expense (benefit) pertaining to income (loss) from continuing operations.
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Amount of deferred federal income tax expense (benefit) pertaining to income (loss) from continuing operations.
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Amount of deferred foreign income tax expense (benefit) pertaining to income (loss) from continuing operations.
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Amount of deferred state and local tax expense (benefit) pertaining to income (loss) from continuing operations.
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