Acquisitions (Tables)

3 Months Ended

Mar. 31, 2012

Business Acquisition Purchase Price Allocation [Abstract]

Calculation Of Estimated Merger Consideration Heathspring

(In millions, except per share amounts)
HealthSpring, Inc. common shares outstanding at January 30, 2011 (1)		67.8
Less: common shares outstanding not settled in cash		(0.1)
Common shares settled in cash		67.7
Price per share	$	55
Cash consideration for outstanding shares (1)	$	3,726
Fair value of share-based compensation awards		65
Additional cash and equity consideration		21
Total merger consideration	$	3,812
(1) Includes 922,000 shares subject to appraisal that the Company has accrued for at $55 per share.

Rollover Awards For Healthspring Employees

			Average						Compensation
			exercise/				Included		expense
	Number of		award		Fair value		in purchase		post-
(awards in thousands, dollars in millions, except per share amounts)	awards		price		of awards		price		acquisition
Vested options	589	$	14.04	$	18	$	18	$	-
Unvested options	1,336	$	16.21		37		28		9
Restricted stock	786	$	44.43		35		19		16
Total	2,711			$	90	$	65	$	25

Condensed Healthspring Balance Sheet At Acquisition Date

(In millions)
Investments	$	612
Cash and cash equivalents		492
Premiums, accounts and notes receivable		320
Goodwill		2,547
Intangible assets		795
Other		94
Total assets acquired		4,860
Insurance liabilities		514
Deferred income taxes		208
Debt		326
Total liabilities acquired		1,048
Net assets acquired	$	3,812

Fair Value And Useful Lives Of Intangible Assets

(Dollars in millions)		Estimated Fair Value	Estimated Useful Life (In Years)
Customer relationships	$	711	8
Other		84	3-10
Total other intangible assets	$	795

Pro Forma Information HealthSpring

		Unaudited
		Three Months Ended March 31,
(In millions, except per share amounts)		2012		2011
Total revenues	$	7,277	$	6,812
Shareholders' net income	$	381	$	427
Earnings per share:
Basic	$	1.33	$	1.49
Diluted	$	1.32	$	1.46