Intangible Assets and Goodwill (Tables)

9 Months Ended

Sep. 30, 2011

Intangible Assets and Goodwill [Abstract]

Intangible assets

			As of September 30, 2011							As of December 31, 2010
	Estimated				Accumulated							Accumulated
(In millions)	Life		Cost		Amortization			Net		Cost		Amortization			Net
Out-licensed patents		12 years	$	578.0	$	(381.1	)	$	196.9	$	578.0	$	(350.2	)	$	227.8
Core developed technology		15-23 years		3,005.3		(1,761.8	)		1,243.5		3,005.3		(1,636.9	)		1,368.4
In process research and development		Up to 15 years upon commercialization		110.9		—			110.9		110.9		—			110.9
Trademarks and tradenames		Indefinite		64.0		—			64.0		64.0		—			64.0
In-licensed rights and patents		Up to 14 years		47.1		(3.3	)		43.8		3.0		(1.3	)		1.7
Assembled workforce		4 years		2.1		(2.1	)		—		2.1		(2.1	)		—
Distribution rights		2 years		12.7		(12.7	)		—		12.7		(12.7	)		—
Total intangible assets			$	3,820.1	$	(2,161.0	)	$	1,659.1	$	3,776.0	$	(2,003.2	)	$	1,772.8