Consolidated Statement of Income (Unaudited) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2015		Mar. 31, 2014
Revenues
Premiums	$ 5,888		$ 5,823
Net investment income	592		736
Fee income	111		107
Net realized investment gains	10	[1]	1	[1]
Other revenues	25		41
Total revenues	6,626		6,708
Claims and expenses
Claims and claim adjustment expenses	3,431		3,315
Amortization of deferred acquisition costs	963		950
General and administrative expenses	992		881
Interest expense	92		92
Total claims and expenses	5,478		5,238
Income before income taxes	1,148		1,470
Income tax expense	315		418
Net income	$ 833		$ 1,052
Net income per share
Basic	$ 2.58		$ 2.98
Diluted	$ 2.55		$ 2.95
Weighted average number of common shares outstanding
Basic	320.8		350.9
Diluted	324.5		354.6

[1] Total other-than-temporary impairment (OTTI) losses were $(4) million and $(7) million for the three months ended March 31, 2015 and 2014, respectively. Of total OTTI, credit losses of $(3) million and $(9) million for the three months ended March 31, 2015 and 2014, respectively, were recognized in net realized investment gains. In addition, unrealized gains (losses) from other changes in total OTTI of $(1) million and $2 million for the three months ended March 31, 2015 and 2014, respectively, were recognized in other comprehensive income (loss) as part of changes in net unrealized gains on investment securities having credit losses recognized in the consolidated statement of income.