INVESTMENTS - Schedule of Aggregate Fair Value and Gross Unrealized Depreciation of Fixed Maturity Securities by Security Type (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)
U.S. Treasury securities and obligations of U.S. government agencies and corporations
Fair Value
Less than 12 months	422	244
Greater than 12 months	277	333
Total	699	577
Gross Unrealized Depreciation
Less than 12 months	(23)	(5)
Greater than 12 months	(18)	(14)
Total	(41)	(19)
Tax-exempt obligations of U.S. states and political subdivisions
Fair Value
Less than 12 months	1	2
Greater than 12 months	28	33
Total	29	35
Gross Unrealized Depreciation
Less than 12 months	0	0
Greater than 12 months	(7)	(4)
Total	(7)	(4)
Corporate securities
Fair Value
Less than 12 months	5,802	1,370
Greater than 12 months	2,211	1,990
Total	8,013	3,360
Gross Unrealized Depreciation
Less than 12 months	(237)	(31)
Greater than 12 months	(244)	(147)
Total	(481)	(179)
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)
Agency commercial
Fair Value
Less than 12 months	313	43
Greater than 12 months	50	17
Total	363	60
Gross Unrealized Depreciation
Less than 12 months	(35)	(1)
Greater than 12 months	(7)	(1)
Total	(42)	(2)
Non-agency commercial
Fair Value
Less than 12 months	486	288
Greater than 12 months	631	631
Total	1,117	919
Gross Unrealized Depreciation
Less than 12 months	(4)	(5)
Greater than 12 months	(44)	(29)
Total	(48)	(33)
Agency residential
Fair Value
Less than 12 months	3,146	234
Greater than 12 months	1,556	1,755
Total	4,702	1,990
Gross Unrealized Depreciation
Less than 12 months	(141)	(3)
Greater than 12 months	(263)	(158)
Total	(404)	(161)
Non-agency residential
Fair Value
Less than 12 months	1,522	81
Greater than 12 months	76	87
Total	1,598	168
Gross Unrealized Depreciation
Less than 12 months	(74)	0
Greater than 12 months	(5)	0
Total	(79)	(1)
Foreign government securities
Fair Value
Less than 12 months	1,024	260
Greater than 12 months	707	854
Total	1,731	1,114
Gross Unrealized Depreciation
Less than 12 months	(36)	(4)
Greater than 12 months	(83)	(61)
Total	(119)	(64)
Foreign corporate securities
Fair Value
Less than 12 months	3,673	847
Greater than 12 months	1,781	1,615
Total	5,455	2,463
Gross Unrealized Depreciation
Less than 12 months	(131)	(15)
Greater than 12 months	(177)	(120)
Total	(308)	(135)
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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