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Collaborations and Other Arrangements (Narrative) (Details) - USD ($) $ in Millions | 1 Months Ended | 12 Months Ended |
--- | --- | --- | ---
May 31, 2020 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019 | Jun. 30, 2021
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |  |  |  |
Acquired IPR&D charges |  | $ 874.9 | $ 660.4 | $ 239.6 |
Revenues |  | 28,318.4 | 24,539.8 | 22,319.5 |
Shanghai Junshi Biosciences Co., Ltd. (Junshi Biosciences) |  |  |  |  |
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |  |  |  |
Acquired IPR&D charges | $ 20.0 |  |  |  |
Petra Pharma Corporation (Petra) |  |  |  |  |
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |  |  |  |
Acquired IPR&D charges | $ 174.8 |  |  |  |
China |  |  |  |  |
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |  |  |  |
Revenues |  | 1,661.4 | 1,116.9 | 939.4 |
Milestone Payments, Capitalized As Intangible Assets | Shanghai Junshi Biosciences Co., Ltd. (Junshi Biosciences) |  |  |  |  |
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |  |  |  |
Milestones payments |  | 195.0 |  |  |
Milestone Payments, Success-based Regulatory And Sales-based | Shanghai Junshi Biosciences Co., Ltd. (Junshi Biosciences) |  |  |  |  |
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |  |  |  |
Acquired IPR&D charges |  |  | 50.0 |  |
Milestone Payments, Contingent Upon Initiation Of Phase I Trial | Petra Pharma Corporation (Petra) |  |  |  |  |
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |  |  |  |
Milestones payments |  | 205.0 |  |  |
Milestone Payments, Contingent Upon Achieving Clinical Proof Of Concept | Petra Pharma Corporation (Petra) |  |  |  |  |
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |  |  |  |
Milestones payments |  | 164.0 |  |  |
Olumiant® |  |  |  |  |
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |  |  |  |
Revenues |  | $ 1,115.1 | 638.9 | 426.9 |
Olumiant® | Royalty Payments Received |  |  |  |  |
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |  |  |  |
Collaborative arrangement, rights and obligations percent (up to) |  | 20.00% |  |  |
Olumiant® | Milestone Payments, Development and Regulatory, Capitalized (Deferred), Cumulative |  |  |  |  |
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |  |  |  |
Milestones payments |  | $ 260.0 | 210.0 |  |
Olumiant® | Milestone Payments, Development and Regulatory |  |  |  |  |
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |  |  |  |
Milestones payments |  | 100.0 |  |  |
Olumiant® | Milestone Payments, Sales-based |  |  |  |  |
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |  |  |  |
Milestones payments |  | 100.0 |  |  |
COVID-19 Antibodies |  |  |  |  |
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |  |  |  |
Revenues |  | 2,240.0 | 871.2 |  |
Tyvyt® |  |  |  |  |
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |  |  |  |
Revenues |  | 418.1 | $ 308.7 | $ 134.0 |
Tyvyt® | Milestone Payments, Capitalized As Intangible Assets |  |  |  |  |
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |  |  |  |
Milestones payments |  |  |  |  | $ 40.0
Tyvyt® | Milestone Payments, Success-based Regulatory And Sales-based | Outside of China | Innovent Biologics, Inc. (Innovent) |  |  |  |  |
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |  |  |  |
Milestones payments |  | 825.0 |  |  |
Tyvyt® | Milestone Payments, Success-based Regulatory And Sales-based | China | Innovent Biologics, Inc. (Innovent) |  |  |  |  |
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |  |  |  |
Milestones payments |  | 195.0 |  |  |
Lebrikizumab | Milestone Payments, Development and Regulatory |  |  |  |  |
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |  |  |  |
Milestones payments |  | 85.0 |  |  |
Lebrikizumab | Milestone Payments, Development and Regulatory | Roche |  |  |  |  |
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |  |  |  |
Milestones payments |  | 180.0 |  |  |
Lebrikizumab | Milestone Payments, Sales-based |  |  |  |  |
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |  |  |  |
Milestones payments |  | 1,250.0 |  |  |
Lebrikizumab | Milestone Payments, Sales-based | Roche |  |  |  |  |
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |  |  |  |
Milestones payments |  | $ 1,030.0 |  |  |

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