INVESTMENTS - Schedule of Aggregate Fair Value and Gross Unrealized Depreciation of Fixed Maturity Securities by Security Type (Details) - USD ($) $ in Millions	Mar. 31, 2026	Dec. 31, 2025
Fair Value
Less than 12 months	$ 10,980	$ 4,194
Greater than 12 months	7,007	7,759
Total	17,987	11,953
Gross Unrealized Depreciation
Less than 12 months	(221)	(70)
Greater than 12 months	(563)	(549)
Total	(784)	(619)
No Recorded Allowance for Credit Losses
Fair Value
Less than 12 months	10,939	4,171
Greater than 12 months	7,007	7,745
Total	17,946	11,916
Gross Unrealized Depreciation
Less than 12 months	(220)	(68)
Greater than 12 months	(563)	(547)
Total	(783)	(615)
U.S. Treasury securities and obligations of U.S. government agencies and corporations
Fair Value
Less than 12 months	449	244
Greater than 12 months	280	333
Total	729	577
Gross Unrealized Depreciation
Less than 12 months	(4)	(5)
Greater than 12 months	(13)	(14)
Total	(17)	(19)
Obligations of U.S. States and political subdivisions
Fair Value
Less than 12 months	2	2
Greater than 12 months	33	33
Total	34	35
Gross Unrealized Depreciation
Less than 12 months	0	0
Greater than 12 months	(5)	(4)
Total	(5)	(4)
Corporate securities
Fair Value
Less than 12 months	2,784	1,370
Greater than 12 months	1,949	1,990
Total	4,733	3,360
Gross Unrealized Depreciation
Less than 12 months	(58)	(31)
Greater than 12 months	(156)	(147)
Total	(214)	(179)
Asset-backed securities
Fair Value
Less than 12 months	1,970	802
Greater than 12 months	426	429
Total	2,396	1,231
Gross Unrealized Depreciation
Less than 12 months	(28)	(5)
Greater than 12 months	(15)	(12)
Total	(43)	(17)
Agency commercial
Fair Value
Less than 12 months	86	43
Greater than 12 months	16	17
Total	102	60
Gross Unrealized Depreciation
Less than 12 months	(1)	(1)
Greater than 12 months	(1)	(1)
Total	(2)	(2)
Non-agency commercial
Fair Value
Less than 12 months	480	288
Greater than 12 months	598	631
Total	1,078	919
Gross Unrealized Depreciation
Less than 12 months	(6)	(5)
Greater than 12 months	(30)	(29)
Total	(36)	(33)
Agency residential
Fair Value
Less than 12 months	682	234
Greater than 12 months	1,704	1,755
Total	2,386	1,990
Gross Unrealized Depreciation
Less than 12 months	(7)	(3)
Greater than 12 months	(167)	(158)
Total	(174)	(161)
Non-agency residential
Fair Value
Less than 12 months	541	81
Greater than 12 months	76	87
Total	617	168
Gross Unrealized Depreciation
Less than 12 months	(5)	0
Greater than 12 months	(1)	0
Total	(6)	(1)
Foreign government securities
Fair Value
Less than 12 months	1,178	260
Greater than 12 months	460	854
Total	1,638	1,114
Gross Unrealized Depreciation
Less than 12 months	(34)	(4)
Greater than 12 months	(51)	(61)
Total	(85)	(64)
Foreign corporate securities
Fair Value
Less than 12 months	2,769	847
Greater than 12 months	1,465	1,615
Total	4,234	2,463
Gross Unrealized Depreciation
Less than 12 months	(76)	(15)
Greater than 12 months	(125)	(120)
Total	(201)	(135)
Securities where an allowance for credit loss was recorded
Fair Value
Less than 12 months	41	24
Greater than 12 months	0	14
Total	41	37
Gross Unrealized Depreciation
Less than 12 months	(1)	(2)
Greater than 12 months	0	(2)
Total	$ (1)	$ (4)

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