| **Income Taxes (Current and deferred components of the Company's income tax (expense) benefit) (Details) - USD ($) $ in Millions**                                                                                                                                                                                                                                                                                                                                                     | 12 Months Ended |
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| **Income Tax Disclosure [Abstract]**                                                                                                                                                                                                                                                                                                                                                                                                                                                   |            |   |  |   |  |
| Current tax expense                                                                                                                                                                                                                                                                                                                                                                                                                                                                    | $ (311)         | $ (221) |  | $ (235) |  |
| Deferred tax (expense) benefit                                                                                                                                                                                                                                                                                                                                                                                                                                                         | (2)             | 89 | [1] | (43) | [1] |
| Income tax expense                                                                                                                                                                                                                                                                                                                                                                                                                                                                     | $ (313)         | $ (132) | [1] | $ (278) | [1] |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |
| [1]As of January 1, 2023, the Company adopted ASU 2018-12, Financial Services-Insurance (Topic 944): Targeted Improvements to the Accounting for Long-Duration Contracts (ASU 2018-12) using the modified retrospective method applied as of the transition date of January 1, 2021.  Prior period amounts in the financial statements have been adjusted to reflect application of the new guidance.  See Note A to the Consolidated Financial Statements for additional information. |

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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 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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