v3.25.1
Acquisitions and Other Transactions (Purchase Price Allocations) (Details) - USD ($)
$ in Millions
Mar. 31, 2025
Dec. 31, 2024
Mar. 15, 2024
Business Combination [Line Items]      
Goodwill $ 6,462.1 $ 9,133.3  
Idorsia Pharmaceuticals Ltd.      
Business Combination [Line Items]      
Current assets (excluding inventories and net of cash acquired)     $ 2.1
Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, In Process Research And Development     675.0
Goodwill     19.5
Total assets acquired     696.6
Current liabilities     (1.6)
Payments to Acquire Businesses, Net of Cash Acquired     $ 695.0