Property Casualty Loss and Loss Expenses (Tables)

9 Months Ended

Sep. 30, 2014

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:

(In millions)	Three months ended September 30,						Nine months ended September 30,
	2014			2013			2014			2013
Gross loss and loss expense reserves, beginning   of period	$	4,408		$	4,219		$	4,241		$	4,169
Less reinsurance receivable	282			333			299			356
Net loss and loss expense reserves, beginning of   period	4,126			3,886			3,942			3,813
Net incurred loss and loss expenses related to:
Current accident year	647			631			2,125			1,840
Prior accident years	(25		)	(38		)	(120		)	(140		)
Total incurred	622			593			2,005			1,700
Net paid loss and loss expenses related to:
Current accident year	353			329			859			699
Prior accident years	286			233			979			897
Total paid	639			562			1,838			1,596
Net loss and loss expense reserves, end of period	4,109			3,917			4,109			3,917
Plus reinsurance receivable	284			321			284			321
Gross loss and loss expense reserves, end of   period	$	4,393		$	4,238		$	4,393		$	4,238