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Income Tax (Net Deferred Income Tax Assets and Liabilities) (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2024 | Dec. 31, 2023
Deferred tax assets and liabilities |  |
Tax Credit Carryforward, Amount | $ 299 | $ 82
Deferred income tax assets: |  |
Policyholder liabilities and receivables | 4,233 | 3,476
Net operating loss carryforwards (1) | 247 | 256
Employee benefits | 519 | 523
Capital loss carryforwards | 31 | 29
Tax credit carryforwards (2) | 299 | 82
Net unrealized investment losses | 5,879 | 4,308
Litigation-related and government mandated | 103 | 101
Other | 260 | 393
Total gross deferred income tax assets | 11,571 | 9,168
Less: Valuation allowance (3) | 685 | 496
Total net deferred income tax assets | 10,886 | 8,672
Deferred income tax liabilities: |  |
Investments, including derivatives | 3,469 | 2,054
Intangibles | 836 | 1,004
DAC | 3,719 | 3,929
Total deferred income tax liabilities | 8,024 | 6,987
Deferred Tax Assets, Net, Total | 2,862 | 1,685
Deferred Tax Assets, Net [Abstract] |  |
Deferred income tax liability | 132 | $ 927
Certain State and Foreign Net Operating Loss Carryforwards |  |
Deferred tax assets and liabilities |  |
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount | $ 247 |

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