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Collaboration, License, and Other Agreements - Schedule of Contract Balances, Teva Collaboration (Details) - USD ($) $ in Millions | Mar. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Disaggregation of Revenue [Line Items] |  |
Accounts receivable, net | $ 4,173.0 | $ 4,114.7
Teva |  |
Disaggregation of Revenue [Line Items] |  |
Accounts receivable, net | 20.0 | 27.7
Other liabilities | $ 54.5 | $ 66.8

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