Goodwill And Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2013

Goodwill and Intangible Assets Disclosure [Abstract]

Summary Of The Change In The Carrying Amount Of Goodwill By Reportable Segment

A summary of the change in the carrying amount of goodwill by reportable segment (see Note 20, “Segment Information”) for 2013 and 2012 is as follows:

	Commercial and Specialty Business			Government Business			Other		Total
Balance as of January 1, 2012	$	11,555.6		$	2,303.1		$	—	$	13,858.7
Amerigroup acquisition	—			3,033.1			—		3,033.1
Measurement period adjustments	(0.3		)	(1.7		)	—		(2.0		)
Balance as of December 31, 2012	$	11,555.3		$	5,334.5		—		$	16,889.8
Measurement period adjustments	(1.3		)	28.7			—		27.4
Balance as of December 31, 2013	$	11,554.0		$	5,363.2		—		$	16,917.2
Accumulated impairment as of December 31, 2013	$	(41.0	)	$	—		—		$	(41.0	)

Components Of Other Intangible Assets

The components of other intangible assets as of December 31 are as follows:

	2013							2012
	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
Intangible assets with finite lives:
Customer relationships	$	3,308.9	$	(2,264.2	)	$	1,044.7	$	3,334.8	$	(2,058.0	)	$	1,276.8
Provider and hospital relationships	140.5		(44.7		)	95.8		140.5		(38.1		)	102.4
Other	61.7		(28.3		)	33.4		66.1		(26.9		)	39.2
Total	3,511.1		(2,337.2		)	1,173.9		3,541.4		(2,123.0		)	1,418.4
Intangible assets with indefinite lives:
Blue Cross and Blue Shield and other trademarks	6,298.7		—			6,298.7		6,298.7		—			6,298.7
Provider network	271.8		—			271.8		271.8		—			271.8
State Medicaid contracts	696.6		—			696.6		676.6		—			676.6
Total	7,267.1		—			7,267.1		7,247.1		—			7,247.1
Other intangible assets	$	10,778.2	$	(2,337.2	)	$	8,441.0	$	10,788.5	$	(2,123.0	)	$	8,665.5