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REINSURANCE (Tables)
12 Months Ended
Dec. 31, 2024
Reinsurance Disclosures [Abstract]  
Schedule of Premiums Written and Earned and Incurred Losses and LAE
Premiums written and earned and incurred losses and LAE are comprised of the following for the periods indicated:
Years Ended December 31,
(Dollars in millions)202420232022
Written premiums:
Direct$5,115 $5,031 $4,602 
Assumed13,117 11,606 9,350 
Ceded(2,418)(1,907)(1,608)
Net written premiums$15,814 $14,730 $12,344 
Premiums earned:
Direct$4,977 $4,733 $4,218 
Assumed12,458 10,518 9,082 
Ceded(2,248)(1,807)(1,513)
Net premiums earned$15,187 $13,443 $11,787 
Incurred losses and LAE:
Direct$5,465 $3,209 $2,804 
Assumed7,464 5,870 6,285 
Ceded(1,624)(651)(988)
Net incurred losses and LAE$11,305 $8,427 $8,100