v3.25.3
Insurance Claim Reserves (Tables)
9 Months Ended
Sep. 30, 2025
Insurance Loss Reserves [Abstract]  
Claims and claim adjustment expense reserves [Table Text Block]
Claims and claim adjustment expense reserves were as follows:
(in millions)September 30,
2025
December 31,
2024
Property-casualty$67,701 $64,088 
Accident and health4 
Total$67,705 $64,093 
Reconciliation of beginning and ending property casualty reserve balances for claims and claim adjustment expenses [Table Text Block]
The following table presents a reconciliation of beginning and ending property casualty reserve balances for claims and claim adjustment expenses:
Nine Months Ended September 30,
(in millions)20252024
Claims and claim adjustment expense reserves at beginning of year$64,088 $61,621 
Less reinsurance recoverables on unpaid losses7,669 7,817 
Net reserves at beginning of year56,419 53,804 
Estimated claims and claim adjustment expenses for claims arising in the current year21,959 21,276 
Estimated decrease in claims and claim adjustment expenses for
 claims arising in prior years
(648)(321)
Total increases21,311 20,955 
Claims and claim adjustment expense payments for claims arising in:  
Current year7,597 7,255 
Prior years10,623 10,545 
Total payments18,220 17,800 
Unrealized foreign exchange loss204 38 
Net reserves at end of period59,714 56,997 
Plus reinsurance recoverables on unpaid losses7,987 7,744 
Claims and claim adjustment expense reserves at end of period$67,701 $64,741