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Income Taxes - Schedule of Components of the Net Deferred Tax Asset (Details) - USD ($) $ in Millions | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Deferred tax assets: |  |
Losses and tax credit carryforwards | $ 4,636 | $ 5,655
Basis differences on investments | 30 | 75
Accruals not currently deductible, and other | 150 | 273
Investments in foreign subsidiaries | 19 | 16
Loss reserve discount | 443 | 424
Loan loss and other reserves | 37 | 51
Unearned premium reserve reduction | 46 | 87
Fixed assets and intangible assets | 293 | 159
Unrealized losses related to available for sale debt securities | 618 | 783
Employee benefits | 192 | 271
Other | 39 | 156
Total deferred tax assets | 6,503 | 7,950
Deferred tax liabilities: |  |
Deferred policy acquisition costs | (278) | (316)
Life policy reserves | (45) | (49)
Deferred tax liabilities | (323) | (365)
Net deferred tax assets before valuation allowance | 6,180 | 7,585
Valuation allowance | (1,650) | (1,746)
Net deferred tax assets (liabilities) | $ 4,530 | $ 5,839

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