Consolidated Statements of Income (USD $) In Millions, except Per Share data	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Revenues
Premiums and fees	$ 4,786	$ 4,504	$ 9,519	$ 9,047
Net investment income	284	283	563	549
Mail order pharmacy revenues	349	351	688	699
Other revenues	73	193	109	247
Realized investment gains (losses):
Other-than-temporary impairments on debt securities, net	(2)	0	(2)	(1)
Other realized investment gains	19	22	45	17
Total realized investment gains before income taxes	17	22	43	16
Total revenues	5,509	5,353	10,922	10,558
Benefits and Expenses
Health Care medical claims expense	2,034	2,078	4,111	4,287
Other benefit expenses	1,058	977	2,052	1,856
Mail order pharmacy cost of goods sold	289	290	565	575
GMIB fair value loss	37	164	21	160
Other operating expenses	1,475	1,405	2,957	2,819
Total benefits and expenses	4,893	4,914	9,706	9,697
Income before Income Taxes	616	439	1,216	861
Income taxes:
Current	138	68	160	155
Deferred	70	76	218	127
Total taxes	208	144	378	282
Net Income	408	295	838	579
Less: Net Income Attributable to Noncontrolling Interest	0	1	1	2
Shareholders' Net Income	$ 408	$ 294	$ 837	$ 577
Shareholders' net income	$ 1.52	$ 1.07	$ 3.11	$ 2.10
Diluted Earnings Per Share:
Shareholders' net income	$ 1.50	$ 1.06	$ 3.06	$ 2.08
Dividends Declared Per Share	$ 0	$ 0	$ 0.040	$ 0.040