Segment Information (Tables)

3 Months Ended

Mar. 31, 2012

Segment Information Table [Abstract]

Summarized segment financial information

	Three Months Ended
	March 31,
(In millions)	2012		2011
Premiums and fees, Mail order pharmacy revenues and Other revenues
Health Care	$	4,937	$	3,719
Disability and Life		743		688
International		875		704
Run-off Reinsurance		(90)		(34)
Other Operations		39		44
Corporate		(17)		(15)
Total	$	6,487	$	5,106
Shareholders' net income
Health Care	$	242	$	247
Disability and Life		65		82
International		80		61
Run-off Reinsurance		30		13
Other Operations		20		23
Corporate		(78)		(30)
Segment Earnings		359		396
Realized investment gains, net of taxes		12		17
Shareholders' net income	$	371	$	413