v3.26.3
Insurance Claim Reserves (Tables)
 9 Months Ended
Sep. 30, 2026
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,
2026		December 31,
2025
Property-casualty$68,127 $67,643 
Accident and health3 3 
Less amounts classified as held for sale— 1,909 
Total$68,130 $65,737 
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)20262025
Claims and claim adjustment expense reserves at beginning of year$67,643 $64,088 
Less reinsurance recoverables on unpaid losses7,797 7,669 
Net reserves at beginning of year59,846 56,419 
Estimated claims and claim adjustment expenses for claims arising in the current year19,861 21,959 
Estimated decrease in claims and claim adjustment expenses for
 claims arising in prior years
(1,148)(648)
Total increases18,713 21,311 
Claims and claim adjustment expense payments for claims arising in:
Current year6,254 7,597 
Prior years10,299 10,623 
Total payments16,553 18,220 
Net reserves disposed of related to the divestiture of the Canadian business(1,627)— 
Unrealized foreign exchange (gain) loss(39)204 
Net reserves at end of period60,340 59,714 
Plus reinsurance recoverables on unpaid losses7,787 7,987 
Claims and claim adjustment expense reserves at end of period$68,127 $67,701