v3.24.2
Insurance Claim Reserves (Tables)
 6 Months Ended
Jun. 30, 2024
Insurance Loss Reserves [Abstract]  
Claims and claim adjustment expense reserves [Table Text Block]
Claims and claim adjustment expense reserves were as follows:
(in millions)June 30,
2024		December 31,
2023
Property-casualty$63,852 $61,621 
Accident and health5 6 
Total$63,857 $61,627 
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:
Six Months Ended June 30,
(in millions)20242023
Claims and claim adjustment expense reserves at beginning of year$61,621 $58,643 
Less reinsurance recoverables on unpaid losses7,817 7,790 
Net reserves at beginning of year53,804 50,853 
Estimated claims and claim adjustment expenses for claims arising in the current year14,213 13,260 
Estimated decrease in claims and claim adjustment expenses for
 claims arising in prior years
(232)(118)
Total increases13,981 13,142 
Claims and claim adjustment expense payments for claims arising in:  
Current year3,953 3,898 
Prior years7,750 7,466 
Total payments11,703 11,364 
Unrealized foreign exchange (gain) loss(75)104 
Net reserves at end of period56,007 52,735 
Plus reinsurance recoverables on unpaid losses7,845 7,829 
Claims and claim adjustment expense reserves at end of period$63,852 $60,564