Consolidated Statements of Income (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Revenues
Premiums and fees	$ 7,314	$ 6,107
Net investment income	287	288
Mail order pharmacy revenues	425	386
Other revenues	18	(40)
Realized investment gains (losses):
Other-than-temporary impairments on fixed maturities, net	0	(3)
Other realized investment gains	139	16
Total realized investment gains (losses)	139	13
Total revenues	8,183	6,754
Benefits and Expenses
Health Care medical claims expense	4,047	3,316
Other benefit expenses	1,862	825
Mail order pharmacy cost of goods sold	344	321
GMIB fair value (gain) loss	0	(67)
Other operating expenses	1,856	1,807
Total benefits and expenses	8,109	6,202
Income from Continuing Operations before Income Taxes	74	552
Income taxes (benefits):
Current	(101)	135
Deferred	116	46
Total taxes	15	181
Net Income	59	371
Less: Net Income Attributable to Redeemable Noncontrolling Interest	2	0
Shareholders' Net Income	$ 57	$ 371
Basic Earnings Per Share:
Shareholders' net income	$ 0.20	$ 1.30
Diluted Earnings Per Share:
Shareholders' net income	$ 0.20	$ 1.28
Dividends Declared Per Share	$ 0.04	$ 0.04