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SCHEDULE III — SUPPLEMENTARY INSURANCE INFORMATION
 12 Months Ended
Dec. 31, 2023
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information [Abstract]  
SCHEDULE III — SUPPLEMENTARY INSURANCE INFORMATION
SCHEDULE III — SUPPLEMENTARY INSURANCE INFORMATION
Column AColumn BColumn CColumn DColumn EColumn FColumn GColumn HColumn IColumn J
Deferred
Acquisition
Costs		Reserve
for Losses
and Loss
Adjustment
Expenses		Unearned
Premium
Reserves		Premiums
Earned		Net
Investment
Income		Incurred
Loss and
Loss
Adjustment
Expenses		Amortization
of Deferred
Acquisition
Costs		Other
Operating
Expenses		Net
Written
Premium
Segment
(Dollars in millions)
As of and Year Ended December 31, 2023
Reinsurance$968 $17,659 $4,018 $9,799 $1,004 $5,696 $2,520 $255 $10,802 
Insurance279 6,945 2,605 3,644 429 2,732 432 591 3,929 
Total$1,247 $24,604 $6,622 $13,443 $1,434 $8,427 $2,952 $846 $14,730 
As of and Year Ended December 31, 2022
Reinsurance$710 $16,111 $2,894 $8,598 $590 $5,966 $2,116 $217 $8,919 
Insurance252 5,954 2,253 3,189 240 2,134 413 464 3,426 
Total$962 $22,065 $5,147 $11,787 $830 $8,100 $2,528 $682 $12,344 
As of and Year Ended December 31, 2021
Reinsurance$654 $13,872 $2,723 $7,708 $823 $5,543 $1,833 $198 $8,488 
Insurance218 5,137 1,887 2,698 342 1,848 376 385 2,958 
Total$872 $19,009 $4,610 $10,406 $1,165 $7,391 $2,209 $583 $11,446 
(Some amounts may not reconcile due to rounding.)