Consolidated Statements of Income - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Revenues
Premiums	$ 8,999	$ 8,151
Fees and other revenues	1,368	1,264
Net investment income	329	303
Mail order pharmacy revenues	717	710
Realized investment gains (losses):
Other-than-temporary impairments on fixed maturities	(13)	(7)
Other realized investment gains (losses), net	(20)	53
Net realized investment gains (losses)	(33)	46
Total revenues	11,380	10,474
Benefits and Expenses
Global Health Care medical costs	5,317	4,949
Other benefit expenses	1,455	1,367
Mail order pharmacy costs	561	581
Other operating expenses	2,802	2,655
Amortization of other acquired intangible assets, net	27	32
Total benefits and expenses	10,162	9,584
Income before Income Taxes	1,218	890
Income taxes (benefits):
Current	292	286
Deferred	9	11
Total income taxes	301	297
Net Income	917	593
Less: Net Income (Loss) Attributable to Noncontrolling Interests	2	(5)
Shareholders' Net Income	$ 915	$ 598
Shareholders' Net Income Per Share:
Basic	$ 3.78	$ 2.34
Diluted	3.72	2.3
Dividends Declared Per Share	$ 0.04	$ 0.04