INVESTMENTS - Schedule of Aggregate Fair Value and Gross Unrealized Depreciation of Fixed Maturity Securities - Available for Sale, by Contractual Maturity (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)
Due in one year or less
Fair Value
Less than 12 months	66	55
Greater than 12 months	361	338
Total	426	393
Gross Unrealized Depreciation
Less than 12 months	(2)	(1)
Greater than 12 months	(12)	(9)
Total	(14)	(10)
Due in one year through five years
Fair Value
Less than 12 months	1,354	634
Greater than 12 months	1,169	1,012
Total	2,523	1,646
Gross Unrealized Depreciation
Less than 12 months	(22)	(9)
Greater than 12 months	(87)	(70)
Total	(110)	(80)
Due in five years through ten years
Fair Value
Less than 12 months	1,214	413
Greater than 12 months	327	426
Total	1,541	839
Gross Unrealized Depreciation
Less than 12 months	(25)	(8)
Greater than 12 months	(35)	(43)
Total	(60)	(52)
Due after ten years
Fair Value
Less than 12 months	122	65
Greater than 12 months	423	455
Total	544	519
Gross Unrealized Depreciation
Less than 12 months	(3)	(1)
Greater than 12 months	(41)	(41)
Total	(44)	(42)
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)
Mortgage-backed securities
Fair Value
Less than 12 months	1,506	567
Greater than 12 months	1,347	1,353
Total	2,853	1,920
Gross Unrealized Depreciation
Less than 12 months	(17)	(6)
Greater than 12 months	(127)	(114)
Total	(144)	(119)
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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