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Litigation (Details) In Millions, unless otherwise specified | 3 Months Ended | 12 Months Ended | 3 Months Ended |  | 3 Months Ended
--- | --- | --- | --- | --- | ---
Mar. 31, 2013 Hoechst USD ($) | Mar. 31, 2013 Hoechst EUR (€) | Dec. 31, 2013 Hoechst USD ($) | Dec. 31, 2008 Canada Lease Dispute USD ($) | Dec. 31, 2011 ITALY EUR (€) | Sep. 30, 2013 ITALY EUR (€) | Jun. 30, 2011 Genentech RITUXAN Hoechst USD ($)
Loss Contingencies [Line Items] |  |  |  |  |  |  |
Compensatory damages |  | € 108.0 |  | $ 2.6 |  |  |
Prejudgment interest |  | 54 |  |  |  |  |
Decrease In Share Of Co Promotion Profits Due To Estimated Compensation Damages | 41.5 |  | 49.7 |  |  |  | 50.0
Payment in case of any unfavorable determination received |  |  |  |  | 30.7 |  |
Limited period for government reimbursement |  |  |  |  | 24 months |  |
Automatic renewal period for the resolution |  |  |  |  | 24 months |  |
Reimbursement limit stated in the resolution |  |  |  |  | 24 months |  |
Loss contingency, expected settlement |  |  |  |  |  | € 33.3 |

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