INVESTMENTS - Schedule of Aggregate Fair Value and Gross Unrealized Depreciation of Fixed Maturity Securities by Contractual Maturity (Details) - USD ($) $ in Millions	Jun. 30, 2026	Dec. 31, 2025
Fair Value
Less than 12 months	$ 8,997	$ 4,194
Greater than 12 months	7,876	7,759
Total	16,873	11,953
Gross Unrealized Depreciation
Less than 12 months	(148)	(70)
Greater than 12 months	(601)	(549)
Total	(749)	(619)
No Recorded Allowance for Credit Losses
Fair Value
Less than 12 months	8,939	4,171
Greater than 12 months	7,876	7,745
Total	16,815	11,916
Gross Unrealized Depreciation
Less than 12 months	(147)	(68)
Greater than 12 months	(601)	(547)
Total	(748)	(615)
Due in one year or less
Fair Value
Less than 12 months	138	165
Greater than 12 months	798	675
Total	935	840
Gross Unrealized Depreciation
Less than 12 months	(3)	(5)
Greater than 12 months	(25)	(18)
Total	(29)	(23)
Due in one year through five years
Fair Value
Less than 12 months	2,783	1,475
Greater than 12 months	2,671	2,411
Total	5,454	3,887
Gross Unrealized Depreciation
Less than 12 months	(44)	(33)
Greater than 12 months	(191)	(156)
Total	(234)	(189)
Due in five years through ten years
Fair Value
Less than 12 months	2,661	859
Greater than 12 months	850	987
Total	3,511	1,846
Gross Unrealized Depreciation
Less than 12 months	(54)	(14)
Greater than 12 months	(86)	(99)
Total	(141)	(112)
Due after ten years
Fair Value
Less than 12 months	280	223
Greater than 12 months	712	752
Total	992	975
Gross Unrealized Depreciation
Less than 12 months	(9)	(3)
Greater than 12 months	(73)	(74)
Total	(82)	(77)
Asset-backed securities
Fair Value
Less than 12 months	1,197	802
Greater than 12 months	409	429
Total	1,606	1,231
Gross Unrealized Depreciation
Less than 12 months	(16)	(5)
Greater than 12 months	(13)	(12)
Total	(29)	(17)
Mortgage-backed securities
Fair Value
Less than 12 months	1,881	646
Greater than 12 months	2,435	2,490
Total	4,316	3,137
Gross Unrealized Depreciation
Less than 12 months	(20)	(8)
Greater than 12 months	(213)	(188)
Total	(233)	(196)
Securities where an allowance for credit loss was recorded
Fair Value
Less than 12 months	58	24
Greater than 12 months	0	14
Total	58	37
Gross Unrealized Depreciation
Less than 12 months	(1)	(2)
Greater than 12 months	0	(2)
Total	$ (1)	$ (4)

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