Unaudited Consolidated Quarterly Financial Data (Tables)

12 Months Ended

Dec. 31, 2015

Quarterly Financial Information Disclosure [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, 2015				June 30, 2015			September 30, 2015				December 31, 2015
Net premium income		$	4,432			$	4,364		$	4,380			$	4,394
Net investment income		782				777			784				792
Realized investment gains (losses)		13				127			(114		)		114
Other income (loss)		(1		)		19			(10		)		19
Total revenues		5,226				5,287			5,040				5,319
Total benefits and expenses		4,213				4,413			4,176				4,209
Earnings before income taxes		1,013				874			864				1,110
Total income tax		350				301			297				380
Net earnings		$	663			$	573		$	567			$	730
Net earnings per basic share		$	1.52			$	1.33		$	1.32			$	1.72
Net earnings per diluted share		1.51				1.32			1.32				1.71
Quarterly amounts may not agree in total to the corresponding annual amounts due to rounding.
(In millions, except for per-share amounts)	March 31, 2014				June 30, 2014			September 30, 2014				December 31, 2014
Net premium income		$	4,854			$	4,888		$	4,841			$	4,489
Net investment income		827				843			841				808
Realized investment gains (losses)		(46		)		102			16				143
Other income		5				5			38				74
Total revenues		5,640				5,838			5,736				5,514
Total benefits and expenses		4,536				4,600			4,662				4,439
Earnings before income taxes		1,104				1,238			1,074				1,075
Total income tax		372				428			368				372
Net earnings		$	732			$	810		$	706			$	703
Net earnings per basic share		$	1.61			$	1.79		$	1.56			$	1.57
Net earnings per diluted share		1.60				1.78			1.56				1.57

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