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v3.25.3

Fair Value Measurements - Gross Components of Purchases, Sales, Issuances and Settlements (Details) - USD ($) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Assets: |  |  |  |
Purchases | $ 524,000,000 | $ 386,000,000 | $ 1,106,000,000 | $ 483,000,000
Sales | (32,000,000) | (624,000,000) | (132,000,000) | (631,000,000)
Issuances and Settlements | (205,000,000) | (104,000,000) | (549,000,000) | (634,000,000)
Purchases, Sales, Issuances and Settlements, Net | 287,000,000 | (342,000,000) | 425,000,000 | (782,000,000)
Liabilities: |  |  |  |
Purchases | 0 | 0 | 0 | 0
Sales | 0 | 0 | 0 | 0
Issuances and Settlements | 28,000,000 | (1,000,000) | (84,000,000) | 345,000,000
Purchases, Sales, Issuances and Settlements, Net | 28,000,000 | (1,000,000) | (84,000,000) | 345,000,000
Issuances, assets | 0 | 0 |  |
Issuances, liabilities |  |  | 0 | 0
Transfers into Level 3 at end of reporting period, net gains (losses) not included in realized and unrealized gains and losses related to Level 3 for the period | 0 | 0 | 11,000,000 | (27,000,000)
Transfers out Level 3 at end of reporting period, net gains (losses) included in realized and unrealized gains and losses related to Level 3 for the period | 0 | 0 | 6,000,000 | 1,000,000
Derivative liabilities, net |  |  |  |
Liabilities: |  |  |  |
Purchases |  | 0 |  | 0
Sales |  | 0 |  | 0
Issuances and Settlements |  | 2,000,000 |  | 376,000,000
Purchases, Sales, Issuances and Settlements, Net |  | 2,000,000 |  | 376,000,000
Fortitude Re funds withheld payable |  |  |  |
Liabilities: |  |  |  |
Purchases | 0 | 0 | 0 | 0
Sales | 0 | 0 | 0 | 0
Issuances and Settlements | 28,000,000 | (3,000,000) | (84,000,000) | (10,000,000)
Purchases, Sales, Issuances and Settlements, Net | 28,000,000 | (3,000,000) | (84,000,000) | (10,000,000)
Other Liabilities |  |  |  |
Liabilities: |  |  |  |
Purchases |  |  |  | 0
Sales |  |  |  | 0
Issuances and Settlements |  |  |  | (21,000,000)
Purchases, Sales, Issuances and Settlements, Net | 0 | 0 | 0 | (21,000,000)
Bonds available for sale |  |  |  |
Assets: |  |  |  |
Purchases | 483,000,000 | 367,000,000 | 1,028,000,000 | 449,000,000
Sales | (16,000,000) | (624,000,000) | (99,000,000) | (630,000,000)
Issuances and Settlements | (203,000,000) | (88,000,000) | (510,000,000) | (457,000,000)
Purchases, Sales, Issuances and Settlements, Net | 264,000,000 | (345,000,000) | 419,000,000 | (638,000,000)
Bonds available for sale | Obligations of states, municipalities and political subdivisions |  |  |  |
Assets: |  |  |  |
Purchases |  |  |  | 1,000,000
Sales |  |  |  | 0
Issuances and Settlements |  |  |  | 0
Purchases, Sales, Issuances and Settlements, Net | 0 | 0 | 0 | 1,000,000
Bonds available for sale | Non-U.S. governments |  |  |  |
Assets: |  |  |  |
Purchases |  |  | 0 | 4,000,000
Sales |  |  | 0 | 0
Issuances and Settlements |  |  | (1,000,000) | (4,000,000)
Purchases, Sales, Issuances and Settlements, Net |  |  | (1,000,000) | 0
Bonds available for sale | Corporate debt |  |  |  |
Assets: |  |  |  |
Purchases | 0 | 10,000,000 | 5,000,000 | 21,000,000
Sales | (2,000,000) | (4,000,000) | (8,000,000) | (7,000,000)
Issuances and Settlements | (2,000,000) | (2,000,000) | (152,000,000) | (70,000,000)
Purchases, Sales, Issuances and Settlements, Net | (4,000,000) | 4,000,000 | (155,000,000) | (56,000,000)
Bonds available for sale | RMBS |  |  |  |
Assets: |  |  |  |
Purchases | 46,000,000 | 87,000,000 | 54,000,000 | 87,000,000
Sales | 0 | (45,000,000) | (3,000,000) | (46,000,000)
Issuances and Settlements | (51,000,000) | (65,000,000) | (152,000,000) | (214,000,000)
Purchases, Sales, Issuances and Settlements, Net | (5,000,000) | (23,000,000) | (101,000,000) | (173,000,000)
Bonds available for sale | CMBS |  |  |  |
Assets: |  |  |  |
Purchases | 0 | 0 | 0 | 0
Sales | 0 | (12,000,000) | (4,000,000) | (12,000,000)
Issuances and Settlements | (4,000,000) | 0 | (5,000,000) | (18,000,000)
Purchases, Sales, Issuances and Settlements, Net | (4,000,000) | (12,000,000) | (9,000,000) | (30,000,000)
Bonds available for sale | CLO/ABS |  |  |  |
Assets: |  |  |  |
Purchases | 437,000,000 | 270,000,000 | 969,000,000 | 336,000,000
Sales | (14,000,000) | (563,000,000) | (84,000,000) | (565,000,000)
Issuances and Settlements | (146,000,000) | (21,000,000) | (200,000,000) | (151,000,000)
Purchases, Sales, Issuances and Settlements, Net | 277,000,000 | (314,000,000) | 685,000,000 | (380,000,000)
Other bond securities |  |  |  |
Assets: |  |  |  |
Purchases | 14,000,000 | 0 | 15,000,000 | 14,000,000
Sales | 0 | 0 | 0 | (1,000,000)
Issuances and Settlements | (1,000,000) | (3,000,000) | (8,000,000) | (11,000,000)
Purchases, Sales, Issuances and Settlements, Net | 13,000,000 | (3,000,000) | 7,000,000 | 2,000,000
Other bond securities | Corporate debt |  |  |  |
Assets: |  |  |  |
Purchases, Sales, Issuances and Settlements, Net | 0 | 0 | 0 | 0
Other bond securities | RMBS |  |  |  |
Assets: |  |  |  |
Purchases | 3,000,000 | 0 | 3,000,000 | 3,000,000
Sales | 0 | 0 | 0 | (1,000,000)
Issuances and Settlements | 0 | (2,000,000) | (2,000,000) | (4,000,000)
Purchases, Sales, Issuances and Settlements, Net | 3,000,000 | (2,000,000) | 1,000,000 | (2,000,000)
Other bond securities | CLO/ABS |  |  |  |
Assets: |  |  |  |
Purchases | 11,000,000 | 0 | 12,000,000 | 11,000,000
Sales | 0 | 0 | 0 | 0
Issuances and Settlements | (1,000,000) | (1,000,000) | (6,000,000) | (7,000,000)
Purchases, Sales, Issuances and Settlements, Net | 10,000,000 | (1,000,000) | 6,000,000 | 4,000,000
Equity securities |  |  |  |
Assets: |  |  |  |
Purchases | 21,000,000 | 2,000,000 | 56,000,000 | 2,000,000
Sales | (16,000,000) | 0 | (33,000,000) | 0
Issuances and Settlements | 0 | 0 | 0 | 0
Purchases, Sales, Issuances and Settlements, Net | 5,000,000 | 2,000,000 | 23,000,000 | 2,000,000
Other invested assets |  |  |  |
Assets: |  |  |  |
Purchases | 6,000,000 | 17,000,000 | 7,000,000 | 18,000,000
Sales | 0 | 0 | 0 | 0
Issuances and Settlements | (1,000,000) | (12,000,000) | (31,000,000) | (52,000,000)
Purchases, Sales, Issuances and Settlements, Net | 5,000,000 | 5,000,000 | (24,000,000) | (34,000,000)
Other assets |  |  |  |
Assets: |  |  |  |
Purchases |  | 0 |  | 0
Sales |  | 0 |  | 0
Issuances and Settlements |  | (1,000,000) |  | (114,000,000)
Purchases, Sales, Issuances and Settlements, Net | $ 0 | $ (1,000,000) | $ 0 | $ (114,000,000)

X
- Definition Net gains or losses for the period (realized and unrealized) related to assets and liabilities transferred into Level 3 at fair value at the end of the reporting period and are therefore not reflected in realized and unrealized gains and losses related to Level 3 for the period. + References No definition available. + Details
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