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INVESTMENTS - Schedule of Amortized Cost and Fair Value of Fixed Maturity Securities, by Contractual Maturity (Details) - USD ($) $ in Millions	Mar. 31, 2025	Dec. 31, 2024
Amortized Cost
Due in one year or less	$ 1,181	$ 1,116
Due after one year through five years	10,784	8,774
Due after five years through ten years	5,299	4,764
Due after ten years	1,683	1,826
Amortized Cost	32,505	29,934
Fair Value
Due in one year or less	1,141	1,080
Due after one year through five years	10,604	8,480
Due after five years through ten years	5,151	4,523
Due after ten years	1,584	1,723
Fair Value	31,824	28,908
Amortized Cost
Due in one year or less	0	7
Due after one year through five years	99	67
Due after five years through ten years	4	37
Due after ten years	150	150
Amortized Cost	703	765
Fair Value
Due in one year or less	0	7
Due after one year through five years	99	67
Due after five years through ten years	4	35
Due after ten years	154	152
Fair Value	702	759
Asset-backed Securities
Amortized Cost
Amortized Cost	5,588	5,994
Fair Value
Fair Value	5,591	5,982
Amortized Cost
Amortized Cost	435	484
Fair Value
Fair Value	430	477
Commercial
Amortized Cost
Amortized Cost	957	965
Fair Value
Fair Value	906	900
Amortized Cost
Amortized Cost	15	21
Fair Value
Fair Value	15	21
Agency Residential
Amortized Cost
Amortized Cost	5,561	5,205
Fair Value
Fair Value	5,377	4,931
Non-agency Residential
Amortized Cost
Amortized Cost	1,452	1,291
Fair Value
Fair Value	$ 1,471	$ 1,289

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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
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