Property Casualty Loss And Loss Expenses (Tables)

12 Months Ended

Dec. 31, 2015

Insurance [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)	Years ended December 31,
	2015			2014			2013
Gross loss and loss expense reserves, January 1	$	4,438		$	4,241		$	4,169
Less reinsurance recoverable	282			299			356
Net loss and loss expense reserves, January 1	4,156			3,942			3,813
Net incurred loss and loss expenses related to:
Current accident year	2,756			2,725			2,448
Prior accident years	(184		)	(98		)	(147		)
Total incurred	2,572			2,627			2,301
Net paid loss and loss expenses related to:
Current accident year	1,152			1,212			1,045
Prior accident years	1,197			1,201			1,127
Total paid	2,349			2,413			2,172
Net loss and loss expense reserves, December 31	4,379			4,156			3,942
Plus reinsurance recoverable	281			282			299
Gross loss and loss expense reserves, December 31	$	4,660		$	4,438		$	4,241