Consolidated Statements of Income - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Revenues
Premiums	$ 7,746	$ 7,402
Fees and other revenues	1,201	1,138
Net investment income	272	276
Mail order pharmacy revenues	697	578
Realized investment gains (losses):
Other-than-temporary impairments on debt securities	(27)	(5)
Other realized investment gains (losses), net	(5)	78
Net realized investment gains (losses)	(32)	73
Total revenues	9,884	9,467
Benefits and Expenses
Global Health Care medical costs	4,761	4,604
Other benefit expenses	1,368	1,269
Mail order pharmacy costs	574	492
Other operating expenses	2,321	2,204
Amortization of other acquired intangible assets, net	41	44
Total benefits and expenses	9,065	8,613
Income before Income Taxes	819	854
Income taxes (benefits):
Current	294	308
Deferred	11	15
Total income taxes	305	323
Net Income	514	531
Less: Net Income (Loss) Attributable to Noncontrolling Interests	(5)	(2)
Shareholders' Net Income	$ 519	$ 533
Shareholders' Net Income Per Share:
Basic	$ 2.04	$ 2.08
Diluted	2.00	2.04
Dividends Declared Per Share	$ 0.04	$ 0.04