Consolidated Statements of Income (Unaudited) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Revenues
Premiums and fees	$ 6,686	$ 4,786	$ 12,827	$ 9,519
Net investment income	283	284	571	563
Mail order pharmacy revenues	402	349	788	688
Other revenues	90	71	50	105
Realized investment gains (losses):
Other-than-temporary impairments on debt securities, net	(3)	(2)	(6)	(2)
Other realized investment gains	(1)	19	15	45
Total realized investment gains (losses)	(4)	17	9	43
Total revenues	7,457	5,507	14,245	10,918
Benefits and Expenses
Health Care medical claims expense	3,405	2,034	6,442	4,111
Other benefit expenses	1,214	1,058	2,318	2,052
Mail order pharmacy cost of goods sold	330	289	651	565
GMIB fair value loss	87	37	20	21
Other operating expenses	1,833	1,497	3,674	2,998
Total benefits and expenses	6,869	4,915	13,105	9,747
Income before Income Taxes	588	592	1,140	1,171
Income taxes:
Current	211	138	346	160
Deferred	(3)	63	43	206
Total taxes	208	201	389	366
Net Income	380	391	751	805
Less: Net Income Attributable to Noncontrolling Interest	0	0	0	1
Shareholders' net income	$ 380	$ 391	$ 751	$ 804
Basic Earnings Per Share:
Shareholders' net income	$ 1.33	$ 1.46	$ 2.63	$ 2.98
Diluted Earnings Per Share:
Shareholders' net income	$ 1.31	$ 1.43	$ 2.59	$ 2.94
Dividends Declared Per Share	$ 0	$ 0	$ 0.04	$ 0.04