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INVESTMENTS - Schedule of Amortized Cost and Fair Value of Fixed Maturity Securities, by Contractual Maturity (Details) - USD ($) $ in Millions | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Fixed maturity securities - available for sale |  |
Due in one year or less, Amortized Cost | $ 1,289 | $ 1,331
Due after one year through five years, Amortized Cost | 7,094 | 8,131
Due after five years through ten years, Amortized Cost | 5,613 | 4,636
Due after ten years, Amortized Cost | 2,537 | 1,454
Amortized Cost | 28,568 | 24,191
Due in one year or less, Fair Value | 1,261 | 1,314
Due after one year through five years, Fair Value | 6,858 | 7,546
Due after five years through ten years, Fair Value | 5,405 | 4,057
Due after ten years, Fair Value | 2,460 | 1,233
Fixed maturities - available for sale (amortized cost: 2023, $0; 2022, $0) | 27,740 | 22,236
Fixed maturity securities - held to maturity |  |
Due in one year or less, Amortized Cost | 5 | 5
Due after one year through five years, Amortized Cost | 59 | 63
Due after five years through ten years, Amortized Cost | 43 | 43
Due after ten years, Amortized Cost | 127 | 68
Amortized Cost | 864 | 848
Due in one year or less, Fair Value | 5 | 5
Due after one year through five years, Fair Value | 58 | 61
Due after five years through ten years, Fair Value | 42 | 41
Due after ten years, Fair Value | 131 | 65
Fair Value | 854 | 821
Asset-backed securities |  |
Fixed maturity securities - available for sale |  |
Amortized Cost | 5,644 | 4,229
Fixed maturities - available for sale (amortized cost: 2023, $0; 2022, $0) | 5,618 | 4,063
Fixed maturity securities - held to maturity |  |
Amortized Cost | 609 | 661
Fair Value | 597 | 642
Commercial |  |
Fixed maturity securities - available for sale |  |
Amortized Cost | 1,091 | 1,023
Fixed maturities - available for sale (amortized cost: 2023, $0; 2022, $0) | 1,000 | 919
Fixed maturity securities - held to maturity |  |
Amortized Cost | 21 | 7
Fair Value | 21 | 7
Agency residential |  |
Fixed maturity securities - available for sale |  |
Amortized Cost | 4,869 | 3,382
Fixed maturities - available for sale (amortized cost: 2023, $0; 2022, $0) | 4,695 | 3,099
Non-agency residential |  |
Fixed maturity securities - available for sale |  |
Amortized Cost | 431 | 5
Fixed maturities - available for sale (amortized cost: 2023, $0; 2022, $0) | $ 443 | $ 4

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