XML 112 R78.htm IDEA: XBRL DOCUMENT v3.5.0.2
Collaborative and Other Relationships Collaborative and Other Relationships - Equity Method Investments (Details)
$ in Millions, ₩ in Billions
1 Months Ended 3 Months Ended 6 Months Ended
Feb. 29, 2012
USD ($)
Jun. 30, 2016
USD ($)
Jun. 30, 2015
USD ($)
Dec. 31, 2013
USD ($)
Jun. 30, 2016
USD ($)
Jun. 30, 2015
USD ($)
Feb. 29, 2012
KRW (₩)
Schedule of Equity Method Investments [Line Items]              
Recognized loss   $ 0.0 $ (4.9)   $ 0.0 $ (5.7)  
Research and development   473.1 490.7   910.4 951.3  
Revenue related to technical development and technology transfer services   $ 79.0 55.6   $ 166.9 107.6  
Samsung Biosimilar Agreement [Member]              
Schedule of Equity Method Investments [Line Items]              
Contribution from Samsung to develop, manufacture and market biosimilar pharmaceuticals $ 250.0           ₩ 280.5
Variable interest entity, qualitative or quantitative information, ownership percentage 85.00%            
Contribution from Biogen to develop, manufacture and market biosimilar pharmaceuticals $ 45.0           ₩ 49.5
Percentage of stake in entity minimum 15.00% 9.00%     9.00%   15.00%
Percentage of stake in entity maximum 49.90%            
Recognized loss     (4.9)     (5.7)  
Research and development       $ 46.0      
Expected profit share with Samsung Bioepis       50.00%      
Revenue related to technical development and technology transfer services   $ 14.2 $ 17.2   $ 16.9 $ 36.1  
Acquired and in-licensed rights and patents | Biosimilars              
Schedule of Equity Method Investments [Line Items]              
Increase in acquired and in-licensed rights and patents   $ 25.0     $ 50.0