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SEGMENT REPORTING (Tables)
3 Months Ended
Mar. 31, 2025
Segment Reporting [Abstract]  
Schedule of Underwriting Results for Segments
The following tables present segment underwriting results for the periods indicated:
Three Months Ended March 31, 2025
(Dollars in millions)ReinsuranceInsuranceOtherTotal
Gross written premiums$3,219 $1,145 $28 $4,391 
Net written premiums2,811 896 27 3,735 
Premiums earned$2,905 $913 $33 $3,852 
Incurred losses and LAE2,223 640 30 2,893 
Commission and brokerage707 113 824 
Other underwriting expenses71 165 238 
Underwriting gain (loss)$(96)$(5)$(3)$(104)
Net investment income491 
Net gains (losses) on investments(7)
Corporate expenses(21)
Interest, fee and bond issue cost amortization expense(38)
Other income (expense)(73)
Income (loss) before taxes$248 
(Some amounts may not reconcile due to rounding.)
Three Months Ended March 31, 2024
(Dollars in millions)ReinsuranceInsuranceOtherTotal
Gross written premiums$3,175 $1,160 $77 $4,411 
Net written premiums2,942 897 61 3,900 
Premiums earned$2,728 $871 $52 $3,652 
Incurred losses and LAE1,640 551 46 2,237 
Commission and brokerage671 104 782 
Other underwriting expenses71 145 224 
Underwriting gain (loss)$347 $71 $(8)$409 
Net investment income457 
Net gains (losses) on investments(7)
Corporate expenses(22)
Interest, fee and bond issue cost amortization expense(37)
Other income (expense)31 
Income (loss) before taxes$832 
(Some amounts may not reconcile due to rounding.)