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Claim and Claim Adjustment Expense Reserves (Tables)
9 Months Ended
Sep. 30, 2023
Insurance [Abstract]  
Reconciliation of Claim and Claim Adjustment Expense Reserves
The following table presents a reconciliation between beginning and ending claim and claim adjustment expense reserves.

Nine Months Ended September 30
2023
2022 (a)
(In millions)  
   
Reserves, beginning of year:  
Gross$22,120 $21,269 
Ceded5,191 4,969 
Net reserves, beginning of year16,929 16,300 
 
Net incurred claim and claim adjustment expenses:
Provision for insured events of current year4,221 3,830 
Increase (decrease) in provision for insured events of prior years43 (4)
Amortization of discount33 33 
Total net incurred (b)
4,297 3,859 
 
Net payments attributable to:
Current year events(588)(482)
Prior year events(2,953)(2,700)
Total net payments(3,541)(3,182)
 
Foreign currency translation adjustment and other(30)(383)
 
Net reserves, end of period17,655 16,594 
Ceded reserves, end of period5,181 5,147 
Gross reserves, end of period$22,836 $21,741 

(a)
In conjunction with the adoption of ASU 2018-12, at January 1, 2023, long term care reserves for policyholders currently receiving benefits were reclassified from Claim and claim adjustment expenses into Future policy benefits and this change was applied retrospectively as of January 1, 2021. For additional information see Note 1.
(b)Total net incurred above does not agree to Insurance claims and policyholders’ benefits as reflected on the Consolidated Condensed Statements of Operations due to amounts related to retroactive reinsurance deferred gain accounting and uncollectible reinsurance, which are not reflected in the table above.
Net Prior Year Loss Reserve Development in Property and Casualty Operations
The following table and discussion present details of the net prior year loss reserve development in Property & Casualty Operations and Other Insurance Operations:

Three Months EndedNine Months Ended
September 30,September 30,
2023202220232022
(In millions)  
   
Medical professional liability $$9 $17 
Other professional liability and management liability$17 16 22 
Surety(21)(20)(28)(48)
Commercial auto 11 21 
General liability 70 41 
Workers’ compensation(2)(2)(100)(86)
Warranty(2)(13)(11)(22)
Property and other1 22 (11)
Other insurance operations20 55 64 
Total pretax (favorable) unfavorable development$13 $(17)$44 $(2)