v3.26.1
Financial instruments - Additional information (Details)
$ in Millions
6 Months Ended
Jun. 30, 2026
USD ($)
Jun. 30, 2025
USD ($)
Dec. 31, 2025
USD ($)
Dec. 31, 2024
USD ($)
Disclosure of detailed information about borrowings [line items]        
Contingent amount $ 1,100      
Purchase of time deposits $ (100) $ 0    
Maturity term 6 months      
Time deposits $ 101   $ 80  
Non-current financial assets at fair value 768   768  
Collateral amount 420      
Measured at amortized cost or cost | Long-term note receivable and other financial assets        
Disclosure of detailed information about borrowings [line items]        
Financial assets 200      
Non-current financial assets at fair value 199      
Current financial assets at fair value $ 1      
Minimum        
Disclosure of detailed information about borrowings [line items]        
Probability of success, contingent consideration 0      
Maximum        
Disclosure of detailed information about borrowings [line items]        
Probability of success, contingent consideration 0.95      
Non-current contingent consideration liabilities | Level 3        
Disclosure of detailed information about borrowings [line items]        
Financial liabilities, at fair value and amortized cost $ 73 110 169 $ 96
Adjustments for changes in assumptions 103 $ 0    
Senior Notes Due 2026, 2028, 2029, 2030, 2032, 2049 and 2052        
Disclosure of detailed information about borrowings [line items]        
Financial liabilities, at fair value 4,384   4,466  
Senior Notes Due 2026, 2028, 2029, 2030, 2032, 2049 and 2052 | Measured at amortized cost or cost        
Disclosure of detailed information about borrowings [line items]        
Financial liabilities, at fair value and amortized cost $ 4,595   $ 4,608