INVESTMENTS - Schedule of Aggregate Fair Value and Gross Unrealized Depreciation of Fixed Maturity Securities by Contractual Maturity (Details) - USD ($) $ in Millions	Sep. 30, 2026	Dec. 31, 2025
Fair Value
Less than 12 months	$ 18,494	$ 4,194
Greater than 12 months	7,712	7,759
Total	26,206	11,953
Gross Unrealized Depreciation
Less than 12 months	(777)	(70)
Greater than 12 months	(872)	(549)
Total	(1,648)	(619)
No Recorded Allowance for Credit Losses
Fair Value
Less than 12 months	18,486	4,171
Greater than 12 months	7,712	7,745
Total	26,198	11,916
Gross Unrealized Depreciation
Less than 12 months	(775)	(68)
Greater than 12 months	(872)	(547)
Total	(1,646)	(615)
Due in one year or less
Fair Value
Less than 12 months	285	165
Greater than 12 months	706	675
Total	991	840
Gross Unrealized Depreciation
Less than 12 months	(4)	(5)
Greater than 12 months	(28)	(18)
Total	(31)	(23)
Due in one year through five years
Fair Value
Less than 12 months	5,305	1,475
Greater than 12 months	2,595	2,411
Total	7,900	3,887
Gross Unrealized Depreciation
Less than 12 months	(141)	(33)
Greater than 12 months	(239)	(156)
Total	(380)	(189)
Due in five years through ten years
Fair Value
Less than 12 months	4,972	859
Greater than 12 months	985	987
Total	5,956	1,846
Gross Unrealized Depreciation
Less than 12 months	(258)	(14)
Greater than 12 months	(131)	(99)
Total	(389)	(112)
Due after ten years
Fair Value
Less than 12 months	361	223
Greater than 12 months	718	752
Total	1,079	975
Gross Unrealized Depreciation
Less than 12 months	(24)	(3)
Greater than 12 months	(131)	(74)
Total	(156)	(77)
Asset-backed securities
Fair Value
Less than 12 months	2,096	802
Greater than 12 months	396	429
Total	2,491	1,231
Gross Unrealized Depreciation
Less than 12 months	(93)	(5)
Greater than 12 months	(24)	(12)
Total	(116)	(17)
Mortgage-backed securities
Fair Value
Less than 12 months	5,468	646
Greater than 12 months	2,313	2,490
Total	7,780	3,137
Gross Unrealized Depreciation
Less than 12 months	(254)	(8)
Greater than 12 months	(320)	(188)
Total	(573)	(196)
Securities where an allowance for credit loss was recorded
Fair Value
Less than 12 months	8	24
Greater than 12 months	0	14
Total	8	37
Gross Unrealized Depreciation
Less than 12 months	(2)	(2)
Greater than 12 months	0	(2)
Total	$ (2)	$ (4)

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