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Collaboration, License, and Other Agreements - Schedule of Contract Balances, Bayer Collaboration (Details) - USD ($) $ in Millions | Sep. 30, 2021 | Dec. 31, 2020
--- | --- | ---
Disaggregation of Revenue [Line Items] |  |
Accounts receivable, net | $ 5,452.0 | $ 4,114.7
Bayer |  |
Disaggregation of Revenue [Line Items] |  |
Accounts receivable, net | 374.8 | 336.2
Deferred revenue | $ 115.2 | $ 99.7

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