| **Income Taxes Income Taxes (Schedule of Components of Income Tax Expense) (Details) (USD $)In Millions, unless otherwise specified** | 12 Months Ended |
|---------------------------------------------------------------------------------------------------------------------------------------|-----------------|
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| **Income Tax Disclosure [Abstract]**                                                                                                  |            |   |   |
| U.S. federal                                                                                                                          | $ 101           | $ 236 | $ 180 |
| U.S. state and other                                                                                                                  | 7               | 16 | 13 |
| International                                                                                                                         | 108             | 78 | 65 |
| Current Income Tax Expense (Benefit)                                                                                                  | 216             | 330 | 258 |
| Deferred Income Tax Expense (Benefit)                                                                                                 | (124)           | (77) | (65) |
| Income tax expense                                                                                                                    | $ 92            | $ 253 | $ 193 |

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