Property Casualty Loss and Loss Expenses (Tables)

6 Months Ended

Jun. 30, 2013

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 June 30,						Six months ended June 30,
	2013			2012			2013			2012
Gross loss and loss expense reserves, beginning of period	$	4,173		$	4,289		$	4,169		$	4,280
Less reinsurance receivable	349			352			356			375
Net loss and loss expense reserves, beginning of period	3,824			3,937			3,813			3,905
Net incurred loss and loss expenses related to:
Current accident year	675			725			1,209			1,380
Prior accident years	(92		)	(85		)	(102		)	(201		)
Total incurred	583			640			1,107			1,179
Net paid loss and loss expenses related to:
Current accident year	249			282			370			414
Prior accident years	272			290			664			665
Total paid	521			572			1,034			1,079
Net loss and loss expense reserves, end of period	3,886			4,005			3,886			4,005
Plus reinsurance receivable	333			332			333			332
Gross loss and loss expense reserves, end of period	$	4,219		$	4,337		$	4,219		$	4,337