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Dispositions (Details Textual) $ in Millions	1 Months Ended	3 Months Ended	6 Months Ended
Dispositions (Details Textual) $ in Millions	Apr. 30, 2022 USD ($)	Jun. 30, 2022 USD ($)	Jun. 30, 2022 USD ($)	Jun. 30, 2021 USD ($)	Jan. 31, 2022 USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gain on sale of equity interest in Samsung Bioepis			$ (1,505.4)	$ 0.0
Samsung Bioepis
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Equity, ownership interest		49.90%	49.90%
Samsung Bioepis \| Fair Value, Recurring
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Other current assets, receivable		$ 788.1	$ 788.1
Other assets, receivable		406.8	$ 406.8
Samsung Bioepis \| Payment Due At First Anniversary \| Discount rate
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Other Assets, Current, Fair Value, Measurement Input			0.031
Samsung Bioepis \| Payment Due At Second Anniversary \| Discount rate
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Other Assets, Current, Fair Value, Measurement Input			0.037
Samsung Bioepis
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from divestiture of interest in joint venture	$ 1,000.0
Payables to divestiture of interest in joint venture					$ 1,300.0
Gain on sale of equity interest in Samsung Bioepis			$ 1,500.0
Cumulative translation loss			58.9
Gain on derivative used in net investment hedge			57.0
Additional milestone payment	$ 50.0
Contingent discount on common shares	5.00%
Discrete income tax expense (benefit)		$ 269.5	$ 269.5
Samsung Bioepis \| Payment Due At First Anniversary
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Payables to divestiture of interest in joint venture					812.5
Samsung Bioepis \| Payment Due At Second Anniversary
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Payables to divestiture of interest in joint venture					$ 437.5