v3.25.4
REINSURANCE (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Reinsurance Disclosures [Abstract]      
Written premiums, Direct $ 4,641 $ 5,115 $ 5,031
Written premiums, Assumed 13,065 13,117 11,606
Written premiums, Ceded (2,193) (2,418) (1,907)
Net written premiums 15,513 15,814 14,730
Premiums earned, Direct 4,921 4,977 4,733
Premiums earned, Assumed 13,067 12,458 10,518
Premiums earned, Ceded (2,429) (2,248) (1,807)
Net premiums earned 15,560 15,187 13,443
Incurred losses and LAE, Direct 4,352 5,465 3,209
Incurred losses and LAE, Assumed 8,083 7,464 5,870
Incurred losses and LAE, Ceded (1,698) (1,624) (651)
Retroactive reinsurance adjustment 122 0 0
Incurred losses and LAE 10,859 $ 11,305 $ 8,427
Policyholder benefits and claims incurred, retroactive reinsurance adjustment, consideration paid 1,372    
Policyholder benefits and claims incurred, retroactive reinsurance adjustment, ceded loss reserves 1,250    
Policyholder benefits and claims incurred, retroactive reinsurance adjustment gain (loss), before tax $ 122