Benefits Payable (Tables)

12 Months Ended

Dec. 31, 2012

Activity in Benefits Payable

Activity in benefits payable, excluding military services, was as follows for the years ended December 31, 2012, 2011 and 2010:

	2012			2011			2010
	(in millions)
Balances at January 1	$	3,415		$	3,214		$	2,943
Acquisitions		66			29			0
Incurred related to:
Current year		30,198			25,834			24,226
Prior years		(257	)		(372	)		(434	)
Total incurred		29,941			25,462			23,792
Paid related to:
Current year		(26,738	)		(22,742	)		(21,309	)
Prior years		(2,909	)		(2,548	)		(2,212	)
Total paid		(29,647	)		(25,290	)		(23,521	)
Balances at December 31	$	3,775		$	3,415		$	3,214

Benefit Expenses Excluded From Activity in Benefits Payable

Benefits expense associated with military services and provisions associated with future policy benefits excluded from the previous table was as follows for the years ended December 31, 2012, 2011 and 2010:

	2012		2011		2010
	(in millions)
Military services	$	908	$	3,247	$	3,059
Future policy benefits		136		114		266
Total	$	1,044	$	3,361	$	3,325