Intangible Assets and Goodwill (Tables)

12 Months Ended

Dec. 31, 2013

Goodwill and Intangible Assets Disclosure [Abstract]

Intangible assets

		As of December 31, 2013							As of December 31, 2012
(In millions)	Estimated Life	Cost		Accumulated Amortization			Net		Cost		Accumulated Amortization			Net
Out-licensed patents	13-23 years	$	578.0	$	(450.8	)	$	127.2	$	578.0	$	(421.0	)	$	157.0
Developed technology	15-23 years	3,005.3		(2,165.4		)	839.9		3,005.3		(1,965.7		)	1,039.6
In-process research and development	Indefinite until commercialization	327.4		—			327.4		330.1		—			330.1
Trademarks and tradenames	Indefinite	64.0		—			64.0		64.0		—			64.0
Acquired and in-licensed rights and patents	6-17 years	3,240.0		(123.8		)	3,116.2		53.7		(12.9		)	40.8
Total intangible assets		$	7,214.7	$	(2,740.0	)	$	4,474.7	$	4,031.1	$	(2,399.6	)	$	1,631.5

Estimated future amortization of intangible assets

(In millions)	As of December 31, 2013
2014	$	426.3
2015	336.4
2016	322.7
2017	327.5
2018	330.2
Total	$	1,743.1

Summary of roll forward of the changes in goodwill

	As of December 31,
(In millions)	2013			2012
Goodwill, beginning of year	$	1,201.3		$	1,146.3
Increase to goodwill	35.7			48.2
Other	(4.1		)	6.8
Goodwill, end of year	$	1,232.9		$	1,201.3