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Income Tax (Net Deferred Income Tax Assets and Liabilities) (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2022 | Dec. 31, 2021
Deferred tax assets and liabilities |  |
Tax Credit Carryforward, Amount | $ 590 | $ 825
Deferred income tax assets: |  |
Policyholder liabilities and receivables | 1,496 | 3,787
Net operating loss carryforwards (1) | 238 | 235
Employee benefits | 475 | 583
Capital loss carryforwards | 15 | 9
Tax credit carryforwards (2) | 590 | 825
Net unrealized investment losses | 5,319 | 0
Litigation-related and government mandated | 90 | 95
Other | 67 | 0
Total gross deferred income tax assets | 8,290 | 5,534
Less: Valuation allowance (1) | 291 | 299
Total net deferred income tax assets | 7,999 | 5,235
Deferred income tax liabilities: |  |
Investments, including derivatives | 1,691 | 4,167
Intangibles | 1,096 | 1,188
Net unrealized investment gains | 0 | 5,551
DAC | 2,707 | 3,471
Other | 0 | 362
Total deferred income tax liabilities | 5,494 | 14,739
Deferred Tax Assets, Net, Total | 2,505 |
Deferred Tax Liabilities, Net, Total |  | (9,504)
Deferred tax assets and liabilities [Abstract] |  |
Deferred income tax liability | 325 | $ 9,693
General Business Tax Credit Carryforward [Member] | 2039 and 2042 |  |
Deferred tax assets and liabilities |  |
Tax Credit Carryforward, Amount | 44 |
Deferred income tax assets: |  |
Tax credit carryforwards (2) | 44 |
Certain State and Foreign Net Operating Loss Carryforwards |  |
Deferred tax assets and liabilities |  |
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount | $ 238 |

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