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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, 2020 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Provision for income tax expense (benefit) |  |  |  | $ 301 | $ 1,551 | $ 1,509
Operating Expenses |  |  |  | 12,034 | 12,586 | $ 13,150
Deferred Tax Liabilities, Investments | $ 1,691 | $ 4,167 |  | 1,691 | $ 4,167 |
Foreign Tax Authority |  |  |  |  |  |
Deferred Tax Liabilities, Investments | 302 |  |  | $ 302 |  |
Settlement with Taxing Authority |  |  |  |  |  |
Provision for income tax expense (benefit) |  | (53) |  |  |  |
Operating Expenses |  |  | $ 28 |  |  |
Operating Expenses Net |  |  | $ 22 |  |  |
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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