v3.24.1.u1
Licensing, Acquisitions and Other Arrangements (Details) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended
Dec. 06, 2023
Mar. 31, 2024
Mar. 31, 2023
Collaborative and license agreements      
Cash outflows related to acquisitions and investments   $ (190) $ (353)
Acquired IPR&D and milestones   164 150
Cerevel Therapeutics      
Collaborative and license agreements      
Cash per share received by Cerevel Therapeutics shareholders (in dollars per share) $ 45.00    
Total consideration $ 8,700    
Collaborative arrangement      
Collaborative and license agreements      
Research and development milestone expenses   85 18
Other Collaboration Arrangements | Collaborative arrangement      
Collaborative and license agreements      
Acquired IPR&D and milestones   $ 79 $ 132