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Collaboration, License, and Other Agreements - Schedule of Contract Balances, Bayer Collaboration (Details) - USD ($) $ in Millions | Sep. 30, 2020 | Dec. 31, 2019
--- | --- | ---
Disaggregation of Revenue [Line Items] |  |
Accounts receivable - other | $ 486.2 | $ 425.0
Bayer |  |
Disaggregation of Revenue [Line Items] |  |
Accounts receivable - other | 299.2 | 311.6
Deferred revenue | $ 122.1 | $ 123.0

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