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Income Taxes -Schedule of Net Deferred Tax Assets (Liabilities) (Details) - USD ($) $ in Millions | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Valuation Allowance [Line Items] |  |
Valuation allowance | $ (1,650) | $ (1,746)
Net deferred tax assets (liabilities) | 4,530 | 5,839
Net deferred tax assets before valuation allowance | 6,180 | 7,585
Subtotal - Net U.S., foreign, state and local deferred tax assets | 4,956 | 6,186
Net foreign, state and local deferred tax liabilities | (323) | (365)
Total AIG net deferred tax assets (liabilities) | 4,530 | 5,839
Foreign State And Local |  |
Valuation Allowance [Line Items] |  |
Valuation allowance | (852) | (906)
Net deferred tax assets (liabilities) | 411 | 525
Net deferred tax assets before valuation allowance | 1,263 | 1,431
Net foreign, state and local deferred tax liabilities | (426) | (347)
Total AIG net deferred tax assets (liabilities) | 411 | 525
Domestic Tax Jurisdiction |  |
Valuation Allowance [Line Items] |  |
Net U.S. deferred tax assets | 4,922 | 5,992
Net deferred tax assets (liabilities) in AOCI | 421 | 509
Valuation allowance | (798) | (840)
Net deferred tax assets (liabilities) | 4,545 | 5,661
Total AIG net deferred tax assets (liabilities) | $ 4,545 | $ 5,661

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