Consolidated Statements of Income - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Revenues
Premiums	$ 9,012	$ 8,057	$ 18,011	$ 16,208
Fees and other revenues	1,358	1,252	2,726	2,516
Net investment income	352	308	681	611
Mail order pharmacy revenues	758	757	1,475	1,467
Realized investment gains (losses):
Other-than-temporary impairments on fixed maturities	(5)	(2)	(18)	(9)
Other realized investment gains (losses), net	2	53	(18)	106
Net realized investment gains (losses)	(3)	51	(36)	97
Total revenues	11,477	10,425	22,857	20,899
Benefits and Expenses
Global Health Care medical costs	5,421	4,890	10,738	9,839
Other benefit expenses	1,424	1,335	2,879	2,702
Mail order pharmacy costs	613	626	1,174	1,207
Other operating expenses	2,893	2,412	5,695	5,067
Amortization of other acquired intangible assets	24	28	51	60
Total benefits and expenses	10,375	9,291	20,537	18,875
Income before Income Taxes	1,102	1,134	2,320	2,024
Income taxes (benefits):
Current	297	304	589	590
Deferred	(3)	20	6	31
Total income taxes	294	324	595	621
Net Income	808	810	1,725	1,403
Less: net income (loss) attributable to noncontrolling interests	2	(3)	4	(8)
Shareholders' net income	$ 806	$ 813	$ 1,721	$ 1,411
Shareholders' net income per share:
Basic	$ 3.32	$ 3.2	$ 7.1	$ 5.54
Diluted	3.29	3.15	7.01	5.45
Dividends declared per share	$ 0	$ 0	$ 0.04	$ 0.04