Intangible Assets and Goodwill (Tables)

12 Months Ended

Dec. 31, 2012

Goodwill and Intangible Assets Disclosure [Abstract]

Intangible assets

		As of December 31, 2012							As of December 31, 2011
(In millions)	Estimated Life	Cost		Accumulated Amortization			Net		Cost		Accumulated Amortization			Net
Out-licensed patents	13-23 years	$	578.0	$	(421.0	)	$	157.0	$	578.0	$	(391.3	)	$	186.7
Core developed technology	15-23 years	3,005.3		(1,965.7		)	1,039.6		3,005.3		(1,801.1		)	1,204.2
In-process research and development	Up to 15 years upon commercialization	330.1		—			330.1		110.9		—			110.9
Trademarks and tradenames	Indefinite	64.0		—			64.0		64.0		—			64.0
In-licensed rights and patents	6-16 years	53.7		(12.9		)	40.8		47.2		(4.8		)	42.4
Assembled workforce	4 years	2.1		(2.1		)	—		2.1		(2.1		)	—
Total intangible assets		$	4,033.2	$	(2,401.7	)	$	1,631.5	$	3,807.5	$	(2,199.3	)	$	1,608.2

Schedule of Expected Amortization Expense [Table Text Block]

(In millions)	As of December 31, 2012
2013	$	207.4
2014	190.0
2015	166.4
2016	147.9
2017	113.9
Total	$	825.6

Summary of roll forward of the changes in goodwill

	As of December 31,
(In millions)	2012		2011
Goodwill, beginning of year	$	1,146.3	$	1,146.3
Goodwill acquired during the year	48.2		—
Other	6.8		—
Goodwill, end of year	$	1,201.3	$	1,146.3