Unaudited Consolidated Quarterly Financial Data (Tables)

12 Months Ended

Dec. 31, 2013

Disclosure Unaudited Consolidated Quarterly Financial Data [Abstract]

Schedule of Quarterly Financial Information

In management's opinion, the following quarterly financial information fairly presents the results of operations for such periods and is prepared on a basis consistent with our annual audited financial statements.

(In millions, except for per-share amounts)	March 31, 2013				June 30, 2013				September 30, 2013			December 31, 2013
Net premium income		$	5,184			$	5,013			$	5,028		$	4,910
Net investment income		833				813				821			826
Realized investment gains (losses)		156				201				22			20
Other income		35				17				15			45
Total revenues		6,208				6,044				5,886			5,801
Total benefits and expenses, net		4,847				4,686				4,817			4,773
Earnings before income taxes		1,361				1,358				1,069			1,028
Total income tax		469				469				367			353
Net earnings		$	892			$	889			$	702		$	675
Net earnings per basic share		$	1.91			$	1.91			$	1.51		$	1.46
Net earnings per diluted share		1.90				1.90				1.50			1.45
Quarterly amounts may not agree in total to the corresponding annual amounts due to rounding.
(In millions, except for per-share amounts)	March 31, 2012				June 30, 2012				September 30, 2012			December 31, 2012
Premium income		$	5,378			$	5,467			$	5,660		$	5,643
Net investment income		882				845				869			876
Realized investment gains (losses)		(45		)		(418		)		286			(171		)
Other income		25				8				32			27
Total revenues		6,240				5,902				6,847			6,375
Total benefits and expenses		5,038				5,161				5,367			5,495
Earnings before income taxes		1,202				741				1,480			880
Total income tax		417				258				463			299
Net earnings		$	785			$	483			$	1,017		$	581
Net earnings per basic share		$	1.68			$	1.04			$	2.17		$	1.24
Net earnings per diluted share		1.68				1.03				2.16			1.24

Quarterly amounts may not agree in total to the corresponding annual amounts due to rounding.