v3.25.4
SEGMENT REPORTING (Tables)
12 Months Ended
Dec. 31, 2025
Segment Reporting [Abstract]  
Schedule of Underwriting Results for Segments
The following tables present segment underwriting results for the periods indicated:
Year Ended December 31, 2025
(Dollars in millions)ReinsuranceInsuranceOtherTotal
Gross written premiums$12,825 $4,790 $91 $17,706 
Net written premiums11,791 3,638 84 15,513 
Premiums earned$11,732 $3,718 $111 $15,560 
Incurred losses and LAE7,517 3,050 292 10,859 
Commission and brokerage2,952 488 21 3,461 
Other underwriting expenses291 721 17 1,029 
Underwriting gain (loss)$972 $(541)$(220)$211 
Net investment income2,124 
Net gains (losses) on investments(143)
Corporate expenses(109)
Interest, fee and bond issue cost amortization expense(151)
Other income (expense)(45)
Income (loss) before taxes$1,887 
Year Ended December 31, 2024
(Dollars in millions)ReinsuranceInsuranceOtherTotal
Gross written premiums$12,941 $5,078 $212 $18,232 
Net written premiums11,969 3,678 167 15,814 
Premiums earned$11,412 $3,579 $197 $15,187 
Incurred losses and LAE7,103 3,622 580 11,305 
Commission and brokerage2,837 439 24 3,300 
Other underwriting expenses290 615 33 938 
Underwriting gain (loss)$1,181 $(1,097)$(440)$(356)
Net investment income1,954 
Net gains (losses) on investments19 
Corporate expenses(95)
Interest, fee and bond issue cost amortization expense(149)
Other income (expense)121 
Income (loss) before taxes$1,493 
Year Ended December 31, 2023
(Dollars in millions)ReinsuranceInsuranceOtherTotal
Gross written premiums$11,460 $4,888 $289 $16,637 
Net written premiums10,802 3,704 225 14,730 
Premiums earned$9,799 $3,420 $225 $13,443 
Incurred losses and LAE5,690 2,471 266 8,427 
Commission and brokerage2,520 410 22 2,952 
Other underwriting expenses254 556 35 846 
Underwriting gain (loss)$1,334 $(18)$(98)$1,219 
Net investment income1,434 
Net gains (losses) on investments(276)
Corporate expenses(73)
Interest, fee and bond issue cost amortization expense(134)
Other income (expense)(14)
Income (loss) before taxes$2,154 
Schedule of Gross Written Premium by Geographic Region
The following table below presents gross written premiums by geographic region. Allocations have been made on the basis of location of risk.

United StatesEuropeAll other
202556 %27 %17 %
202457 %25 %18 %
202358 %24 %18 %