INVESTMENTS - Schedule of Aggregate Fair Value and Gross Unrealized Depreciation of Fixed Maturity Securities by Security Type (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)
U.S. Treasury securities and obligations of U.S. government agencies and corporations
Fair Value
Less than 12 months	373	244
Greater than 12 months	312	333
Total	684	577
Gross Unrealized Depreciation
Less than 12 months	(6)	(5)
Greater than 12 months	(14)	(14)
Total	(20)	(19)
Tax-exempt obligations of U.S. states and political subdivisions
Fair Value
Less than 12 months	0	2
Greater than 12 months	33	33
Total	33	35
Gross Unrealized Depreciation
Less than 12 months	0	0
Greater than 12 months	(4)	(4)
Total	(4)	(4)
Corporate securities
Fair Value
Less than 12 months	2,689	1,370
Greater than 12 months	2,183	1,990
Total	4,871	3,360
Gross Unrealized Depreciation
Less than 12 months	(47)	(31)
Greater than 12 months	(163)	(147)
Total	(210)	(179)
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)
Agency commercial
Fair Value
Less than 12 months	137	43
Greater than 12 months	18	17
Total	155	60
Gross Unrealized Depreciation
Less than 12 months	(2)	(1)
Greater than 12 months	(1)	(1)
Total	(3)	(2)
Non-agency commercial
Fair Value
Less than 12 months	215	288
Greater than 12 months	646	631
Total	861	919
Gross Unrealized Depreciation
Less than 12 months	(1)	(5)
Greater than 12 months	(35)	(29)
Total	(37)	(33)
Agency residential
Fair Value
Less than 12 months	812	234
Greater than 12 months	1,707	1,755
Total	2,518	1,990
Gross Unrealized Depreciation
Less than 12 months	(9)	(3)
Greater than 12 months	(176)	(158)
Total	(185)	(161)
Non-agency residential
Fair Value
Less than 12 months	717	81
Greater than 12 months	65	87
Total	782	168
Gross Unrealized Depreciation
Less than 12 months	(8)	0
Greater than 12 months	(1)	0
Total	(9)	(1)
Foreign government securities
Fair Value
Less than 12 months	796	260
Greater than 12 months	756	854
Total	1,552	1,114
Gross Unrealized Depreciation
Less than 12 months	(18)	(4)
Greater than 12 months	(63)	(61)
Total	(81)	(64)
Foreign corporate securities
Fair Value
Less than 12 months	2,004	847
Greater than 12 months	1,748	1,615
Total	3,752	2,463
Gross Unrealized Depreciation
Less than 12 months	(40)	(15)
Greater than 12 months	(131)	(120)
Total	(171)	(135)
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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