v3.26.1
Collaborative Arrangements - Schedule of Daiicho Sankyo (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]          
Selling, general and administrative $ 2,904 $ 2,649 $ 5,604 $ 5,202  
Research and development 9,741 4,048 22,333 7,669  
Other current assets 10,767   10,767   $ 10,518
Accrued and other current liabilities 14,725   14,725   14,468
Daiichi Sankyo | Collaborative Arrangement, Transaction with Party to Collaborative Arrangement          
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]          
Selling, general and administrative 12 4 24 13  
Research and development 181 $ 193 341 $ 321  
Other current assets 27   27   15
Accrued and other current liabilities $ 100   $ 100   $ 113