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INVESTMENTS - Schedule of Amortized Cost and Fair Value of Fixed Maturity Securities, by Contractual Maturity (Details) - USD ($) $ in Millions	Jun. 30, 2025	Dec. 31, 2024
Amortized Cost
Due in one year or less	$ 1,244	$ 1,116
Due after one year through five years	11,075	8,774
Due after five years through ten years	6,055	4,764
Due after ten years	1,715	1,826
Amortized Cost	33,791	29,934
Fair Value
Due in one year or less	1,212	1,080
Due after one year through five years	11,100	8,480
Due after five years through ten years	6,034	4,523
Due after ten years	1,621	1,723
Fair Value	33,464	28,908
Amortized Cost
Due in one year or less	5	7
Due after one year through five years	89	67
Due after five years through ten years	4	37
Due after ten years	149	150
Amortized Cost	658	765
Fair Value
Due in one year or less	5	7
Due after one year through five years	89	67
Due after five years through ten years	4	35
Due after ten years	154	152
Fair Value	657	759
Asset-backed securities
Amortized Cost
Amortized Cost	5,390	5,994
Fair Value
Fair Value	5,380	5,982
Amortized Cost
Amortized Cost	404	484
Fair Value
Fair Value	398	477
Agency commercial
Amortized Cost
Amortized Cost	208	0
Fair Value
Fair Value	210	0
Non-agency commercial
Amortized Cost
Amortized Cost	950	965
Fair Value
Fair Value	908	900
Agency residential
Amortized Cost
Amortized Cost	5,695	5,205
Fair Value
Fair Value	5,519	4,931
Non-agency residential
Amortized Cost
Amortized Cost	1,459	1,291
Fair Value
Fair Value	1,480	1,289
Commercial
Amortized Cost
Amortized Cost		965
Fair Value
Fair Value		900
Amortized Cost
Amortized Cost	7	21
Fair Value
Fair Value	$ 7	$ 21

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