Collaboration Agreements	3 Months Ended
Mar. 31, 2014
Collaboration Agreements [Abstract]
Collaboration Agreements	Collaboration Agreements AstraZeneca In April 2012, the Company entered into an agreement with AstraZeneca pursuant to which the Company and AstraZeneca agreed to collaborate globally to develop and commercialize certain acute ischemic heart disease compounds. Under the terms of the collaboration agreement, a joint development and research committee and a joint commercialization committee have been established to prepare and deliver a global development plan and a country-by-country collaboration and commercialization plan, respectively, related to BRILINTA and Angiomax and cangrelor. Implementation of these plans is subject to agreement between both parties. The first joint activity agreed upon by the parties under the collaboration agreement was a four-year co-promotion arrangement for BRILINTA in the United States. The Company and AstraZeneca have not agreed as to any development and commercialization activities to be performed with respect to Angiomax and cangrelor or as to any terms under which such activities would be performed. Pursuant to the co-promotion arrangement, the Company's sales force began supporting promotion activities for BRILINTA in May 2012. Under the terms of the collaboration agreement, AstraZeneca agreed to pay the Company base consideration fees for conducting BRILINTA co-promotion activities during the specified periods, plus additional consideration fees for the same periods, if specified performance targets are achieved with respect to the number of new prescriptions written during the specified periods. The Company recognizes as co-promotion revenue both the base consideration fee and the additional consideration related to new prescriptions of BRILINTA as performance requirements are met. The base consideration fee for a specified time period is recognized ratably as our sales force activities meet the required performance target. The additional consideration fee for a specified time period related to the number of new prescriptions of BRILINTA written during the time period is recognized when the number of new prescriptions of BRILINTA exceeds the required performance target for such period. As of March 31, 2014, the Company has recognized total co-promotion revenue of approximately $29.4 million from AstraZeneca under the global collaboration agreement. At the end of the second year of the agreement, AstraZeneca may terminate the agreement if performance targets for the second year are not achieved. Conversely, the Company may terminate the agreement at such time if the performance targets for the second year are achieved. Either party may terminate the agreement at the end of the third year of the agreement. If AstraZeneca elects to terminate the agreement at the end of the third year and the performance targets for the third year have been achieved, AstraZeneca must pay the Company a termination fee of $5 million. Alnylam Pharmaceuticals, Inc. In February 2013, the Company entered into a license and collaboration agreement with Alnylam Pharmaceuticals, Inc. (Alnylam) to develop, manufacture and commercialize therapeutic products targeting the proprotein convertase subtilisin/kexin type 9 (PCSK9) gene, based on certain of Alnylam's RNA interference (RNAi) technology. Under the terms of the agreement, the Company obtained the exclusive, worldwide right under Alnylam's technology to develop, manufacture and commercialize PCSK-9 products for the treatment, palliation and/or prevention of all human diseases. Alnylam is responsible for the development costs of the products, subject to an agreed upon limit, until the completion of Phase 1 clinical studies. The Company is responsible for completing and funding the development costs of the products through commercialization, if successful. The Company paid Alnylam $25 million in an initial license payment, which the Company recorded as research and development expense. The Company has also agreed to pay up to an aggregate of $180 million in success-based development and commercialization milestones. In addition, the Company has agreed to pay specified royalties on net sales of these products. Royalties to Alnylam are payable by the Company on a product-by-product and country-by-country basis until the last to occur of the expiration of patent rights in the applicable country that cover the applicable product, the expiration of non-patent regulatory exclusivities for such product in such country, and the twelfth anniversary of the first commercial sale of the product in such country, subject to reduction in specified circumstances. The Company is also responsible for paying royalties, and in some cases, milestone payments, owed by Alnylam to its licensors with respect to intellectual property covering these products. As of March 31, 2014, other than the initial $25 million license payment, the Company has not made any payments to Alnylam under the agreement. Boston Scientific Corporation In December 2013, the Company entered into a co-promotion agreement with BSX for the Promus PREMIER Stent System. Pursuant to the co-promotion agreement, the Company's acute cardiovascular care sales force began a collaboration with the BSX Interventional Cardiology sales force to provide promotional support for the Promus PREMIER Stent System in U.S. hospitals in January 2014. The Promus PREMIER Stent System combines a platinum chromium alloy stent, everolimus drug (manufactured by Novartis) and polymer coating, and a stent delivery system. Under the terms of the collaboration agreement, BSX agreed to pay the Company base consideration fees for providing training to the sales force, plus additional consideration fees for specified periods, if specified performance sales targets of Promus PREMIER Stents System are achieved by BSX during the specified periods. The Company will recognize as co-promotion revenue for the base consideration, and for the additional consideration as performance requirements are met. As of March 31, 2014, the Company has recognized total co-promotion revenue of approximately $0.3 million from BSX under the co-promotion agreement.

Collaboration Agreements

AstraZeneca

In April 2012, the Company entered into an agreement with AstraZeneca pursuant to which the Company and AstraZeneca agreed to collaborate globally to develop and commercialize certain acute ischemic heart disease compounds. Under the terms of the collaboration agreement, a joint development and research committee and a joint commercialization committee have been established to prepare and deliver a global development plan and a country-by-country collaboration and commercialization plan, respectively, related to BRILINTA and Angiomax and cangrelor. Implementation of these plans is subject to agreement between both parties.

The first joint activity agreed upon by the parties under the collaboration agreement was a four-year co-promotion arrangement for BRILINTA in the United States. The Company and AstraZeneca have not agreed as to any development and commercialization activities to be performed with respect to Angiomax and cangrelor or as to any terms under which such activities would be performed.

Pursuant to the co-promotion arrangement, the Company's sales force began supporting promotion activities for BRILINTA in May 2012. Under the terms of the collaboration agreement, AstraZeneca agreed to pay the Company base consideration fees for conducting BRILINTA co-promotion activities during the specified periods, plus additional consideration fees for the same periods, if specified performance targets are achieved with respect to the number of new prescriptions written during the specified periods. The Company recognizes as co-promotion revenue both the base consideration fee and the additional consideration related to new prescriptions of BRILINTA as performance requirements are met. The base consideration fee for a specified time period is recognized ratably as our sales force activities meet the required performance target. The additional consideration fee for a specified time period related to the number of new prescriptions of BRILINTA written during the time period is recognized when the number of new prescriptions of BRILINTA exceeds the required performance target for such period. As of March 31, 2014, the Company has recognized total co-promotion revenue of approximately $29.4 million from AstraZeneca under the global collaboration agreement.

At the end of the second year of the agreement, AstraZeneca may terminate the agreement if performance targets for the second year are not achieved. Conversely, the Company may terminate the agreement at such time if the performance targets for the second year are achieved. Either party may terminate the agreement at the end of the third year of the agreement. If AstraZeneca elects to terminate the agreement at the end of the third year and the performance targets for the third year have been achieved, AstraZeneca must pay the Company a termination fee of $5 million.

Alnylam Pharmaceuticals, Inc.

In February 2013, the Company entered into a license and collaboration agreement with Alnylam Pharmaceuticals, Inc. (Alnylam) to develop, manufacture and commercialize therapeutic products targeting the proprotein convertase subtilisin/kexin type 9 (PCSK9) gene, based on certain of Alnylam's RNA interference (RNAi) technology. Under the terms of the agreement, the Company obtained the exclusive, worldwide right under Alnylam's technology to develop, manufacture and commercialize PCSK-9 products for the treatment, palliation and/or prevention of all human diseases. Alnylam is responsible for the development costs of the products, subject to an agreed upon limit, until the completion of Phase 1 clinical studies. The Company is responsible for completing and funding the development costs of the products through commercialization, if successful. The Company paid Alnylam $25 million in an initial license payment, which the Company recorded as research and development expense. The Company has also agreed to pay up to an aggregate of $180 million in success-based development and commercialization milestones. In addition, the Company has agreed to pay specified royalties on net sales of these products. Royalties to Alnylam are payable by the Company on a product-by-product and country-by-country basis until the last to occur of the expiration of patent rights in the applicable country that cover the applicable product, the expiration of non-patent regulatory exclusivities for such product in such country, and the twelfth anniversary of the first commercial sale of the product in such country, subject to reduction in specified circumstances. The Company is also responsible for paying royalties, and in some cases, milestone payments, owed by Alnylam to its licensors with respect to intellectual property covering these products. As of March 31, 2014, other than the initial $25 million license payment, the Company has not made any payments to Alnylam under the agreement.

Boston Scientific Corporation

In December 2013, the Company entered into a co-promotion agreement with BSX for the Promus PREMIER Stent System. Pursuant to the co-promotion agreement, the Company's acute cardiovascular care sales force began a collaboration with the BSX Interventional Cardiology sales force to provide promotional support for the Promus PREMIER Stent System in U.S. hospitals in January 2014. The Promus PREMIER Stent System combines a platinum chromium alloy stent, everolimus drug (manufactured by Novartis) and polymer coating, and a stent delivery system. Under the terms of the collaboration agreement, BSX agreed to pay the Company base consideration fees for providing training to the sales force, plus additional consideration fees for specified periods, if specified performance sales targets of Promus PREMIER Stents System are achieved by BSX during the specified periods. The Company will recognize as co-promotion revenue for the base consideration, and for the additional consideration as performance requirements are met. As of March 31, 2014, the Company has recognized total co-promotion revenue of approximately $0.3 million from BSX under the co-promotion agreement.