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Income Tax (Narrative) (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Provision for income tax expense (benefit) |  |  | $ 560 | $ 1,062 | $ 1,642
Operating Expenses |  |  | 12,710 | 11,859 | $ 12,018
Deferred Tax Liabilities, Investments | $ 1,691 |  | 2,054 | $ 1,691 |
Foreign Tax Authority |  |  |  |  |
Deferred Tax Liabilities, Investments |  |  | $ 223 |  |
Settlement with Taxing Authority |  |  |  |  |
Provision for income tax expense (benefit) |  | $ (53) |  |  |
Settlement with Taxing Authority | American Life Insurance Company [Member] |  |  |  |  |
Tax Adjustments, Settlements, and Unusual Provisions | (70) | (42) |  |  |
Provision for income tax expense (benefit) | (67) | (34) |  |  |
Operating Expenses | 4 | 10 |  |  |
Operating Expenses Net | $ 3 | $ 8 |  |  |

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