REINSURANCE - Effect of Reinsurance on Premiums and Benefits and Claims (Details) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | ||||
|---|---|---|---|---|---|---|
Sep. 30, 2026 |
Sep. 30, 2025 |
Sep. 30, 2026 |
Sep. 30, 2025 |
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| Reinsurance Disclosures [Abstract] | ||||||
| Earned premiums, direct | $ 3,421 | $ 3,413 | $ 10,206 | $ 10,371 | ||
| Earned premiums, ceded | (140) | (92) | (411) | (271) | ||
| Earned premiums, assumed | 23 | 51 | 71 | 123 | ||
| Net earned premiums | [1] | 3,304 | 3,372 | 9,866 | 10,223 | |
| Benefits and claims, excluding reserve remeasurement, direct | 1,978 | 2,051 | 5,950 | 6,179 | ||
| Benefits and claims, excluding reserve remeasurement, ceded | (99) | (57) | (287) | (177) | ||
| Benefits and claims, excluding reserve remeasurement, assumed | 13 | 22 | 41 | 47 | ||
| Benefits and claims, excluding reserve remeasurement | 1,892 | 2,016 | 5,704 | 6,049 | ||
| Reserve remeasurement (gains) losses, direct | (450) | (570) | (574) | (648) | ||
| Reserve remeasurement (gains) losses, ceded | (3) | (10) | (6) | (10) | ||
| Reserve remeasurement (gains) losses, assumed | 0 | 0 | (1) | 0 | ||
| Reserve remeasurement (gains) losses | (453) | (580) | (581) | (658) | ||
| Total benefits and claims, net | $ 1,439 | $ 1,436 | $ 5,123 | $ 5,391 | ||
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- Definition Liability for Future Policy Benefit, Remeasurement Gain (Loss), Assumed No definition available.
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- Definition Liability for Future Policy Benefit, Remeasurement Gain (Loss), Ceded No definition available.
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- Definition Liability for Future Policy Benefit, Remeasurement Gain (Loss), Direct No definition available.
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- Definition Policyholder Benefits and Claims Incurred, Excluding Reserve Remeasurement (Gain) Loss No definition available.
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- Definition Amount of earned premiums assumed from other entities. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of earned premiums ceded to other entities. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount, before premiums ceded to other entities and premiums assumed by the entity, of premiums earned. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of remeasurement gain (loss) on liability for future policy benefit from application of revised benefit ratio as of contract issue. Includes, but is not limited to, remeasurement gain (loss) for annuitization insurance benefit, death and other insurance benefits, and traditional and limited-payment contracts. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount, before effect of policies assumed or ceded, of expense related to provision for policy benefits and costs incurred. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount, after effects of policies assumed or ceded, of expense related to the provision for policy benefits and costs incurred. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount, after premiums ceded to other entities and premiums assumed by the entity, of premiums earned. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- References No definition available.
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- Definition Amount of policy benefits and costs incurred for policies assumed. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of reduction of provision for policy benefits and costs incurred for policies ceded. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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