Property Casualty Loss and Loss Expenses (Tables)

9 Months Ended

Sep. 30, 2015

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 September 30,						Nine months ended September 30,
	2015			2014			2015			2014
Gross loss and loss expense reserves, beginning   of period	$	4,647		$	4,408		$	4,438		$	4,241
Less reinsurance recoverable	292			282			282			299
Net loss and loss expense reserves, beginning of  period	4,355			4,126			4,156			3,942
Net incurred loss and loss expenses related to:
Current accident year	661			647			2,096			2,125
Prior accident years	(48		)	(25		)	(140		)	(120		)
Total incurred	613			622			1,956			2,005
Net paid loss and loss expenses related to:
Current accident year	343			353			794			859
Prior accident years	261			286			954			979
Total paid	604			639			1,748			1,838
Net loss and loss expense reserves, end of period	4,364			4,109			4,364			4,109
Plus reinsurance recoverable	289			284			289			284
Gross loss and loss expense reserves, end of   period	$	4,653		$	4,393		$	4,653		$	4,393