Property Casualty Loss and Loss Expenses (Tables)

3 Months Ended

Mar. 31, 2023

Premiums Written, Net [Abstract]

Consolidated Property Casualty Loss And Loss Expense Reserves

This table summarizes activity for our consolidated property casualty loss and loss expense reserves:

(Dollars in millions)	Three months ended March 31,
	2023		2022
Gross loss and loss expense reserves, beginning of period	$	8,336	$	7,229
Less reinsurance recoverable	405		327
Net loss and loss expense reserves, beginning of period	7,931		6,902
Net incurred loss and loss expenses related to:
Current accident year	1,376		997
Prior accident years	(59)		(41)
Total incurred	1,317		956
Net paid loss and loss expenses related to:
Current accident year	187		169
Prior accident years	859		721
Total paid	1,046		890
Net loss and loss expense reserves, end of period	8,202		6,968
Plus reinsurance recoverable	424		319
Gross loss and loss expense reserves, end of period	$	8,626	$	7,287