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COLLATERALIZED REINSURANCE AND TRUST AGREEMENTS - Premiums and Losses Ceded to Affiliate (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
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Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022
Collateralized Reinsurance And Trust Agreements [Abstract] |  |  |  |
Ceded written premiums | $ 46 | $ 32 | $ 99 | $ 82
Ceded earned premiums | 52 | 41 | 98 | 92
Ceded losses and LAE | 16 | 21 | 53 | 62
Assumed written premiums | 1 | 1 | 1 | 1
Assumed earned premiums | 1 | 1 | 1 | 1
Assumed losses and LAE | $ 0 | $ 0 | $ 0 | $ 0

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- Definition Assumed Losses And Loss Adjustment Expenses + References No definition available. + Details
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- Definition Ceded Earned Premiums + References No definition available. + Details
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- Definition Ceded Losses And Loss Adjustment Expenses + References No definition available. + Details
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