Consolidated Statements of Income (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Revenues
Premiums and fees	$ 7,206	$ 6,602	$ 21,692	$ 19,360
Net investment income	297	283	873	854
Mail order pharmacy revenues	471	401	1,333	1,189
Other revenues	65	26	139	76
Realized investment gains (losses):
Other-than-temporary impairments on fixed maturities, net	(3)	0	(11)	(6)
Other realized investment gains	30	11	203	26
Total realized investment gains (losses)	27	11	192	20
Total revenues	8,066	7,323	24,229	21,499
Benefits and Expenses
Global Health Care medical claims expense	3,913	3,561	11,864	10,584
Other benefit expenses	1,031	911	3,890	2,648
Mail order pharmacy cost of goods sold	390	324	1,096	975
GMIB fair value (gain) loss	0	(53)	0	(33)
Other operating expenses	1,933	1,862	5,739	5,467
Total benefits and expenses	7,267	6,605	22,589	19,641
Income before Income Taxes	799	718	1,640	1,858
Income taxes (benefits):
Current	205	228	285	574
Deferred	41	24	237	67
Total income taxes	246	252	522	641
Net Income	553	466	1,118	1,217
Less: Net Income Attributable to Redeemable Noncontrolling Interest	0	0	3	0
Shareholders' Net Income	$ 553	$ 466	$ 1,115	$ 1,217
Basic Earnings Per Share:
Shareholders' net income	$ 1.99	$ 1.64	$ 3.96	$ 4.27
Diluted Earnings Per Share:
Shareholders' net income	$ 1.95	$ 1.61	$ 3.89	$ 4.20
Dividends Declared Per Share	$ 0	$ 0	$ 0.04	$ 0.04