Commitments and Contingencies (Details) (Fumapharm AG, USD $)	Sep. 30, 2014 Five hundred million	Sep. 30, 2014 One billion	Dec. 31, 2013 One billion	Sep. 30, 2014 Two billion	Jun. 30, 2014 Two billion	Sep. 30, 2014 Three billion	Sep. 30, 2014 Each additional one billion up to twenty billion	Sep. 30, 2014 Less than five hundred million	Sep. 30, 2014 Less than five hundred million One billion	Sep. 30, 2014 Less than five hundred million Two billion	Sep. 30, 2014 Less than five hundred million Three billion	Sep. 30, 2014 Less than five hundred million Each additional one billion up to twenty billion	Sep. 30, 2014 Five hundred million to one billion One billion	Sep. 30, 2014 Five hundred million to one billion Two billion	Sep. 30, 2014 Five hundred million to one billion Three billion	Sep. 30, 2014 Five hundred million to one billion Each additional one billion up to twenty billion	Sep. 30, 2014 One billion to one point five billion One billion	Sep. 30, 2014 One billion to one point five billion Two billion	Sep. 30, 2014 One billion to one point five billion Three billion	Sep. 30, 2014 One billion to one point five billion Each additional one billion up to twenty billion	Sep. 30, 2014 One point five billion to two billion One billion	Sep. 30, 2014 One point five billion to two billion Two billion	Sep. 30, 2014 One point five billion to two billion Three billion	Sep. 30, 2014 One point five billion to two billion Each additional one billion up to twenty billion	Sep. 30, 2014 Two billion to two point five billion One billion	Sep. 30, 2014 Two billion to two point five billion Two billion	Sep. 30, 2014 Two billion to two point five billion Three billion	Sep. 30, 2014 Two billion to two point five billion Each additional one billion up to twenty billion	Sep. 30, 2014 Two point five billion to three billion One billion	Sep. 30, 2014 Two point five billion to three billion Two billion	Sep. 30, 2014 Two point five billion to three billion Three billion	Sep. 30, 2014 Two point five billion to three billion Each additional one billion up to twenty billion	Sep. 30, 2014 Greater than three billion	Sep. 30, 2014 Greater than three billion One billion	Sep. 30, 2014 Greater than three billion Two billion	Sep. 30, 2014 Greater than three billion Three billion	Sep. 30, 2014 Greater than three billion Each additional one billion up to twenty billion	Sep. 30, 2014 Minimum Five hundred million to one billion	Sep. 30, 2014 Minimum One billion to one point five billion	Sep. 30, 2014 Minimum One point five billion to two billion	Sep. 30, 2014 Minimum Two billion to two point five billion	Sep. 30, 2014 Minimum Two point five billion to three billion	Sep. 30, 2014 Maximum Five hundred million to one billion	Sep. 30, 2014 Maximum One billion to one point five billion	Sep. 30, 2014 Maximum One point five billion to two billion	Sep. 30, 2014 Maximum Two billion to two point five billion	Sep. 30, 2014 Maximum Two point five billion to three billion
Business Acquisition, Contingent Consideration [Line Items]
Sales level								$ 500,000,000																									$ 3,000,000,000					$ 500,000,000	$ 1,000,000,000	$ 1,500,000,000.0	$ 2,000,000,000	$ 2,500,000,000.0	$ 1,000,000,000	$ 1,500,000,000.0	$ 2,000,000,000	$ 2,500,000,000.0	$ 3,000,000,000
Milestone payment due on the prior 12 month sales									0	0	0	0	25,000,000	50,000,000	50,000,000	50,000,000	50,000,000	100,000,000	100,000,000	100,000,000	0	150,000,000	150,000,000	150,000,000	0	200,000,000	200,000,000	200,000,000	0	0	250,000,000	250,000,000		0	0	0	300,000,000
Cumulative sales level	500,000,000	1,000,000,000.0	1,000,000,000	2,000,000,000	2,000,000,000	3,000,000,000	20,000,000,000.0
Each additional sales level							$ 1,000,000,000.0