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, 2026	Dec. 31, 2025
Fair Value
Less than 12 months	$ 5,472	$ 2,521
Greater than 12 months	3,975	3,964
Total	9,447	6,484
Gross Unrealized Depreciation
Less than 12 months	(86)	(32)
Greater than 12 months	(313)	(290)
Total	(399)	(322)
No Recorded Allowance for Credit Losses
Fair Value
Less than 12 months	5,414	2,497
Greater than 12 months	3,975	3,950
Total	9,389	6,447
Gross Unrealized Depreciation
Less than 12 months	(85)	(30)
Greater than 12 months	(313)	(288)
Total	(398)	(318)
U.S. government agencies and corporations
Fair Value
Less than 12 months	134	90
Greater than 12 months	150	184
Total	283	274
Gross Unrealized Depreciation
Less than 12 months	(2)	(1)
Greater than 12 months	(4)	(4)
Total	(6)	(5)
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	1,636	625
Greater than 12 months	1,087	1,096
Total	2,722	1,721
Gross Unrealized Depreciation
Less than 12 months	(30)	(12)
Greater than 12 months	(88)	(82)
Total	(118)	(94)
Asset-backed securities
Fair Value
Less than 12 months	1,153	764
Greater than 12 months	348	366
Total	1,501	1,130
Gross Unrealized Depreciation
Less than 12 months	(15)	(5)
Greater than 12 months	(12)	(10)
Total	(27)	(15)
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	213	256
Greater than 12 months	355	338
Total	569	594
Gross Unrealized Depreciation
Less than 12 months	(1)	(3)
Greater than 12 months	(23)	(19)
Total	(24)	(22)
Agency residential
Fair Value
Less than 12 months	507	194
Greater than 12 months	910	913
Total	1,418	1,107
Gross Unrealized Depreciation
Less than 12 months	(6)	(1)
Greater than 12 months	(102)	(94)
Total	(108)	(95)
Non-agency residential
Fair Value
Less than 12 months	648	74
Greater than 12 months	64	86
Total	712	160
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	385	124
Greater than 12 months	329	338
Total	714	462
Gross Unrealized Depreciation
Less than 12 months	(9)	(1)
Greater than 12 months	(29)	(28)
Total	(38)	(29)
Foreign corporate securities
Fair Value
Less than 12 months	601	325
Greater than 12 months	682	580
Total	1,283	905
Gross Unrealized Depreciation
Less than 12 months	(12)	(5)
Greater than 12 months	(50)	(46)
Total	(61)	(50)
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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