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AVAILABLE-FOR-SALE FIXED MATURITY SECURITIES - Schedule of Gross Unrealized Losses and Fair Value of Available-for-Sale Fixed Maturity Securities (Details) $ in Millions | Jun. 30, 2024 USD ($) position | Dec. 31, 2023 USD ($) position
--- | --- | ---
Number of Issues |  |
Less than 12 months | position | 2,466 | 1,222
12 months or more | position | 1,733 | 1,191
Number of Issues | position | 4,199 | 2,413
Gross Unrealized Losses |  |
Less than 12 months | $ (186) | $ (153)
12 months or more | (759) | (582)
Gross Unrealized Losses | (945) | (735)
Fair Value |  |
Less than 12 months | 9,203 | 3,756
12 months or more | 8,951 | 9,443
Fair Value | $ 18,154 | $ 13,199
U.S. treasury and government |  |
Number of Issues |  |
Less than 12 months | position | 88 | 10
12 months or more | position | 34 | 29
Number of Issues | position | 122 | 39
Gross Unrealized Losses |  |
Less than 12 months | $ 0 | $ 0
12 months or more | (39) | (36)
Gross Unrealized Losses | (39) | (36)
Fair Value |  |
Less than 12 months | 131 | 29
12 months or more | 105 | 92
Fair Value | $ 236 | $ 121
U.S. states and political subdivisions |  |
Number of Issues |  |
Less than 12 months | position | 213 | 208
12 months or more | position | 162 | 106
Number of Issues | position | 375 | 314
Gross Unrealized Losses |  |
Less than 12 months | $ (11) | $ (3)
12 months or more | (14) | (14)
Gross Unrealized Losses | (25) | (17)
Fair Value |  |
Less than 12 months | 303 | 217
12 months or more | 305 | 288
Fair Value | $ 608 | $ 505
Foreign governments |  |
Number of Issues |  |
Less than 12 months | position | 30 | 24
12 months or more | position | 39 | 25
Number of Issues | position | 69 | 49
Gross Unrealized Losses |  |
Less than 12 months | $ (9) | $ (3)
12 months or more | (21) | (13)
Gross Unrealized Losses | (30) | (16)
Fair Value |  |
Less than 12 months | 290 | 129
12 months or more | 150 | 56
Fair Value | $ 440 | $ 185
Corporate debt securities |  |
Number of Issues |  |
Less than 12 months | position | 1,459 | 863
12 months or more | position | 1,366 | 917
Number of Issues | position | 2,825 | 1,780
Gross Unrealized Losses |  |
Less than 12 months | $ (130) | $ (137)
12 months or more | (652) | (470)
Gross Unrealized Losses | (782) | (607)
Fair Value |  |
Less than 12 months | 4,728 | 3,088
12 months or more | 7,762 | 8,357
Fair Value | $ 12,490 | $ 11,445
Residential mortgage-backed securities |  |
Number of Issues |  |
Less than 12 months | position | 161 | 16
12 months or more | position | 35 | 18
Number of Issues | position | 196 | 34
Gross Unrealized Losses |  |
Less than 12 months | $ (4) | $ (1)
12 months or more | (4) | (3)
Gross Unrealized Losses | (8) | (4)
Fair Value |  |
Less than 12 months | 133 | 42
12 months or more | 75 | 64
Fair Value | $ 208 | $ 106
Commercial mortgage-backed securities |  |
Number of Issues |  |
Less than 12 months | position | 138 | 32
12 months or more | position | 40 | 55
Number of Issues | position | 178 | 87
Gross Unrealized Losses |  |
Less than 12 months | $ (17) | $ (8)
12 months or more | (20) | (23)
Gross Unrealized Losses | (37) | (31)
Fair Value |  |
Less than 12 months | 879 | 104
12 months or more | 217 | 262
Fair Value | $ 1,096 | $ 366
Collateralized debt securities |  |
Number of Issues |  |
Less than 12 months | position | 377 | 69
12 months or more | position | 57 | 41
Number of Issues | position | 434 | 110
Gross Unrealized Losses |  |
Less than 12 months | $ (15) | $ (1)
12 months or more | (9) | (23)
Gross Unrealized Losses | (24) | (24)
Fair Value |  |
Less than 12 months | 2,739 | 147
12 months or more | 337 | 324
Fair Value | $ 3,076 | $ 471

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