v3.25.2
Dispositions (Details Textual) - USD ($)
$ in Millions
1 Months Ended 3 Months Ended 6 Months Ended
Mar. 31, 2025
Apr. 30, 2024
Apr. 30, 2022
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Mar. 31, 2022
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]                
Proceeds from sale of intangible assets $ 51.0 $ 103.0            
Gain on sale of priority review voucher, net       $ 0.0 $ 88.6 $ 0.0 $ 88.6  
Ionis                
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]                
Proceeds Paid To Collaborative Arrangement Counterparty   $ 14.4            
Samsung Bioepis                
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]                
Equity, ownership interest               49.90%
Equity Method Investment, Amount Sold     $ 2,300.0          
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          
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          
Gain (loss) on sale       $ 1.4   $ 7.5