Consolidated Statements of Income - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Revenues
Premiums	$ 8,994	$ 8,075	$ 27,005	$ 24,283
Fees and other revenues	1,361	1,266	4,087	3,782
Net investment income	355	298	1,036	909
Mail order pharmacy revenues	747	733	2,222	2,200
Realized investment gains (losses):
Other-than-temporary impairments on fixed maturities	(1)	(6)	(19)	(15)
Other realized investment gains (losses), net	1	123	(17)	229
Net realized investment gains (losses)	0	117	(36)	214
Total revenues	11,457	10,489	34,314	31,388
Benefits and Expenses
Global Health Care medical costs	5,360	4,845	16,098	14,684
Other benefit expenses	1,443	1,342	4,322	4,044
Mail order pharmacy costs	602	612	1,776	1,819
Other operating expenses	2,971	2,838	8,666	7,905
Amortization of other acquired intangible assets	48	28	99	88
Total benefits and expenses	10,424	9,665	30,961	28,540
Income before Income Taxes	1,033	824	3,353	2,848
Income taxes (benefits):
Current	248	231	837	821
Deferred	11	31	17	62
Total income taxes	259	262	854	883
Net Income	774	562	2,499	1,965
Less: net income (loss) attributable to noncontrolling interests	2	2	6	(6)
Shareholders' net income	$ 772	$ 560	$ 2,493	$ 1,971
Shareholders' net income per share:
Basic	$ 3.18	$ 2.25	$ 10.28	$ 7.79
Diluted	3.14	2.21	10.14	7.67
Dividends declared per share	$ 0	$ 0	$ 0.04	$ 0.04