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Investments - Available-for-Sale Securities by Contractual Maturities (Details) - USD ($) $ in Millions | Sep. 30, 2024 | Dec. 31, 2023
--- | --- | ---
Amortized Cost |  |
Amortized Cost | $ 97,688 | $ 97,433
Fair Value |  |
Total fixed maturity AFS securities | 90,682 | $ 88,738
Fixed maturity AFS securities other than structured securities |  |
Amortized Cost |  |
Due in one year or less | 4,724 |
Due after one year through five years | 17,756 |
Due after five years through ten years | 13,742 |
Due after ten years | 44,010 |
Amortized Cost | 80,232 |
Fair Value |  |
Due in one year or less | 4,697 |
Due after one year through five years | 17,435 |
Due after five years through ten years | 13,028 |
Due after ten years | 38,553 |
Total fixed maturity AFS securities | 73,713 |
Structured securities (RMBS, CMBS, ABS) |  |
Amortized Cost |  |
Amortized Cost | 17,456 |
Fair Value |  |
Total fixed maturity AFS securities | $ 16,969 |

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