Benefits Payable (Tables)

12 Months Ended

Dec. 31, 2011

Benefits Payable [Abstract]

Activity In Benefits Payable

	2011			2010			2009
	(in millions)
Balances at January 1	$	3,214		$	2,943		$	2,898
Acquisitions		29			0			0
Incurred related to:
Current year		25,821			24,186			21,944
Prior years		(372	)		(434	)		(253	)
Total incurred		25,449			23,752			21,691
Paid related to:
Current year		(22,729	)		(21,269	)		(19,211	)
Prior years		(2,548	)		(2,212	)		(2,435	)
Total paid		(25,277	)		(23,481	)		(21,646	)
Balances at December 31	$	3,415		$	3,214		$	2,943

Benefit Expenses Excluded From Activity In Benefits Payable

	2011		2010		2009
	(in millions)
Military services	$	3,247	$	3,059	$	3,020
Future policy benefits		127		306		73
Total	$	3,374	$	3,365	$	3,093