Goodwill And Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2014

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 for our Commercial and Specialty Business segment and Government Business segment (see Note 19, “Segment Information”) for 2014 and 2013 is as follows:

	Commercial and Specialty Business			Government Business			Total
Balance as of January 1, 2013	$	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
Measurement period adjustments	(1.6		)	(0.2		)	(1.8		)
Other adjustments	266.5			(99.9		)	166.6
Balance as of December 31, 2014	$	11,818.9		$	5,263.1		$	17,082.0
Accumulated impairment as of December 31, 2014	$	(41.0	)	$	—		$	(41.0	)

Components Of Other Intangible Assets

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

	2014							2013
	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
Intangible assets with finite lives:
Customer relationships	$	3,318.4	$	(2,473.4	)	$	845.0	$	3,308.9	$	(2,264.2	)	$	1,044.7
Provider and hospital relationships	140.9		(51.4		)	89.5		140.5		(44.7		)	95.8
Other	61.6		(33.3		)	28.3		61.7		(28.3		)	33.4
Total	3,520.9		(2,558.1		)	962.8		3,511.1		(2,337.2		)	1,173.9
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
State Medicaid licenses	696.6		—			696.6		696.6		—			696.6
Total	6,995.3		—			6,995.3		7,267.1		—			7,267.1
Other intangible assets	$	10,516.2	$	(2,558.1	)	$	7,958.1	$	10,778.2	$	(2,337.2	)	$	8,441.0