Consolidated Statements of Income (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Revenues
Premiums and fees	$ 7,172	$ 6,651	$ 14,486	$ 12,758
Net investment income	289	283	576	571
Mail order pharmacy revenues	437	402	862	788
Other revenues	56	90	74	50
Realized investment gains (losses):
Other-than-temporary impairments on fixed maturities, net	(8)	(3)	(8)	(6)
Other realized investment gains	34	(1)	173	15
Total realized investment gains (losses)	26	(4)	165	9
Total revenues	7,980	7,422	16,163	14,176
Benefits and Expenses
Global Health Care medical claims expense	3,904	3,707	7,951	7,023
Other benefit expenses	997	912	2,859	1,737
Mail order pharmacy cost of goods sold	362	330	706	651
GMIB fair value (gain) loss	0	87	0	20
Other operating expenses	1,950	1,798	3,806	3,605
Total benefits and expenses	7,213	6,834	15,322	13,036
Income before Income Taxes	767	588	841	1,140
Income taxes (benefits):
Current	181	211	80	346
Deferred	80	(3)	196	43
Total income taxes	261	208	276	389
Net Income	506	380	565	751
Less: Net Income Attributable to Redeemable Noncontrolling Interest	1	0	3	0
Shareholders' Net Income	$ 505	$ 380	$ 562	$ 751
Basic Earnings Per Share:
Shareholders' net income	$ 1.79	$ 1.33	$ 1.99	$ 2.63
Diluted Earnings Per Share:
Shareholders' net income	$ 1.76	$ 1.31	$ 1.95	$ 2.59
Dividends Declared Per Share	$ 0	$ 0	$ 0.04	$ 0.04