v3.26.1
Revenue - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Disclosure of disaggregation of revenue from contracts with customers [line items]        
Revenue $ 1,155 $ 925 $ 2,051 $ 1,640
Net product sales        
Disclosure of disaggregation of revenue from contracts with customers [line items]        
Revenue $ 145 $ 101 261 176
Net product sales | United States and Japan | TEPKINLY        
Disclosure of disaggregation of revenue from contracts with customers [line items]        
Revenue     $ 242 $ 175