Property Casualty Loss and Loss Expenses (Tables)

6 Months Ended

Jun. 30, 2016

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,
	2016			2015			2016			2015
Gross loss and loss expense reserves, beginning  of period	$	4,750		$	4,577		$	4,660		$	4,438
Less reinsurance recoverable	272			278			281			282
Net loss and loss expense reserves, beginning of  period	4,478			4,299			4,379			4,156
Net incurred loss and loss expenses related to:
Current accident year	808			724			1,531			1,435
Prior accident years	(49		)	(70		)	(111		)	(92		)
Total incurred	759			654			1,420			1,343
Net paid loss and loss expenses related to:
Current accident year	328			304			474			451
Prior accident years	301			294			717			693
Total paid	629			598			1,191			1,144
Net loss and loss expense reserves, end of period	4,608			4,355			4,608			4,355
Plus reinsurance recoverable	310			292			310			292
Gross loss and loss expense reserves, end of  period	$	4,918		$	4,647		$	4,918		$	4,647