INVESTMENTS - Schedule of Aggregate Fair Value and Gross Unrealized Depreciation of Fixed Maturity Securities - Available for Sale, by Security Type (Details) - USD ($) $ in Millions	Jun. 30, 2025	Dec. 31, 2024
Fair Value
Less than 12 months	$ 3,088	$ 5,841
Greater than 12 months	3,614	3,856
Total	6,701	9,697
Gross Unrealized Depreciation
Less than 12 months	(89)	(172)
Greater than 12 months	(330)	(397)
Total	(419)	(569)
No Recorded Allowance for Credit Losses
Fair Value
Less than 12 months	3,052	5,823
Greater than 12 months	3,598	3,856
Total	6,650	9,680
Gross Unrealized Depreciation
Less than 12 months	(84)	(171)
Greater than 12 months	(330)	(397)
Total	(414)	(567)
U.S. government agencies and corporations
Fair Value
Less than 12 months	74	43
Greater than 12 months	163	187
Total	237	230
Gross Unrealized Depreciation
Less than 12 months	(4)	(1)
Greater than 12 months	(4)	(10)
Total	(9)	(11)
Obligations of U.S. States and political subdivisions
Fair Value
Less than 12 months	10	9
Greater than 12 months	37	40
Total	47	48
Gross Unrealized Depreciation
Less than 12 months	(1)	0
Greater than 12 months	(6)	(5)
Total	(7)	(5)
Corporate securities
Fair Value
Less than 12 months	765	1,502
Greater than 12 months	1,075	1,169
Total	1,841	2,670
Gross Unrealized Depreciation
Less than 12 months	(32)	(42)
Greater than 12 months	(91)	(116)
Total	(123)	(160)
Asset-backed securities
Fair Value
Less than 12 months	702	843
Greater than 12 months	201	501
Total	903	1,344
Gross Unrealized Depreciation
Less than 12 months	(20)	(17)
Greater than 12 months	(7)	(18)
Total	(27)	(35)
Agency commercial
Fair Value
Less than 12 months	18
Greater than 12 months	18
Total	35
Gross Unrealized Depreciation
Less than 12 months	0
Greater than 12 months	(2)
Total	(2)
Non-agency commercial
Fair Value
Less than 12 months	6
Greater than 12 months	413
Total	419
Gross Unrealized Depreciation
Less than 12 months	0
Greater than 12 months	(27)
Total	(27)
Commercial
Fair Value
Less than 12 months		6
Greater than 12 months		408
Total		415
Gross Unrealized Depreciation
Less than 12 months		0
Greater than 12 months		(38)
Total		(38)
Agency residential
Fair Value
Less than 12 months	760	1,784
Greater than 12 months	862	583
Total	1,623	2,367
Gross Unrealized Depreciation
Less than 12 months	(13)	(70)
Greater than 12 months	(113)	(95)
Total	(126)	(166)
Non-agency residential
Fair Value
Less than 12 months	219	650
Greater than 12 months	5	24
Total	224	674
Gross Unrealized Depreciation
Less than 12 months	(3)	(11)
Greater than 12 months	0	0
Total	(3)	(11)
Foreign government securities
Fair Value
Less than 12 months	147	298
Greater than 12 months	293	376
Total	439	674
Gross Unrealized Depreciation
Less than 12 months	(2)	(11)
Greater than 12 months	(29)	(41)
Total	(31)	(52)
Foreign corporate securities
Fair Value
Less than 12 months	351	689
Greater than 12 months	530	569
Total	881	1,258
Gross Unrealized Depreciation
Less than 12 months	(9)	(18)
Greater than 12 months	(51)	(72)
Total	(60)	(91)
Securities where an allowance for credit loss was recorded
Fair Value
Less than 12 months	36	17
Greater than 12 months	16	0
Total	52	17
Gross Unrealized Depreciation
Less than 12 months	(5)	(1)
Greater than 12 months	0	0
Total	$ (5)	$ (1)

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