Consolidated Statements of Income (Unaudited) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Revenues
Premiums and fees	$ 6,637	$ 4,748	$ 19,464	$ 14,267
Net investment income	283	297	854	860
Mail order pharmacy revenues	401	368	1,189	1,056
Other revenues	26	184	76	289
Realized investment gains (losses):
Other-than-temporary impairments on debt securities, net	0	(23)	(6)	(25)
Other realized investment gains	11	36	26	81
Total realized investment gains (losses)	11	13	20	56
Total revenues	7,358	5,610	21,603	16,528
Benefits and Expenses
Health Care medical claims expense	3,269	2,014	9,711	6,125
Other benefit expenses	1,203	1,272	3,521	3,324
Mail order pharmacy cost of goods sold	324	309	975	874
GMIB fair value loss	(53)	224	(33)	245
Other operating expenses	1,897	1,518	5,571	4,516
Total benefits and expenses	6,640	5,337	19,745	15,084
Income before Income Taxes	718	273	1,858	1,444
Income taxes:
Current	228	114	574	274
Deferred	24	(24)	67	182
Total taxes	252	90	641	456
Net Income	466	183	1,217	988
Less: Net Income Attributable to Noncontrolling Interest	0	0	0	1
Shareholders' net income	$ 466	$ 183	$ 1,217	$ 987
Basic Earnings Per Share:
Shareholders' net income	$ 1.64	$ 0.68	$ 4.27	$ 3.67
Diluted Earnings Per Share:
Shareholders' net income	$ 1.61	$ 0.67	$ 4.20	$ 3.62
Dividends Declared Per Share	$ 0	$ 0	$ 0.04	$ 0.04