v3.26.1
Collaborative Arrangements - Daiicho Sankyo - Narrative (Details) - Daiichi Sankyo - Collaborative Arrangement, Transaction with Party to Collaborative Arrangement
$ in Millions
12 Months Ended
Dec. 31, 2024
USD ($)
Oct. 31, 2025
USD ($)
Oct. 31, 2024
USD ($)
Dec. 31, 2023
USD ($)
candidate
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]        
Number of antibody drug conjugates obtained right and obligations | candidate       3
Aggregate upfront payments due upon execution in collaborative arrangement       $ 4,000
Refundable upfront payments in collaborative arrangement       1,000
Maximum aggregate contingent milestone payments, per product, in collaborative arrangement       $ 5,500
Sales based royalty percentage 5.00%     5.00%
Upfront cash payment $ 170      
Ifinatamab Deruxtecan        
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]        
Refundable upfront payments in collaborative arrangement       $ 500
Patritumab Deruxtecan        
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]        
Refundable upfront payments in collaborative arrangement       $ 500
Aggregate upfront payments due upon lapse of time in collaborative arrangement     $ 750  
Raludotatug Deruxtecan        
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]        
Aggregate upfront payments due upon lapse of time in collaborative arrangement   $ 750    
Liable contracted portion of research and development expenses to incur costs for in collaborative arrangement, percentage       75.00%
Liable contracted portion of research and development expenses to incur costs for in collaborative arrangement       $ 2,000