Property Casualty Loss and Loss Expenses (Tables)

6 Months Ended

Jun. 30, 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 June 30,				Six months ended June 30,
	2023		2022		2023		2022
Gross loss and loss expense reserves, beginning of period	$	8,626	$	7,287	$	8,336	$	7,229
Less reinsurance recoverable	424		319		405		327
Net loss and loss expense reserves, beginning of period	8,202		6,968		7,931		6,902
Net incurred loss and loss expenses related to:
Current accident year	1,363		1,299		2,739		2,296
Prior accident years	(101)		(59)		(160)		(100)
Total incurred	1,262		1,240		2,579		2,196
Net paid loss and loss expenses related to:
Current accident year	502		368		689		537
Prior accident years	579		524		1,438		1,245
Total paid	1,081		892		2,127		1,782
Net loss and loss expense reserves, end of period	8,383		7,316		8,383		7,316
Plus reinsurance recoverable	424		287		424		287
Gross loss and loss expense reserves, end of period	$	8,807	$	7,603	$	8,807	$	7,603