v3.26.1
Share-Based Payments - Narrative (Details)
kr / shares in Units, $ in Millions
6 Months Ended
Mar. 19, 2026
DKK (kr)
kr / shares
shares
Jun. 30, 2026
USD ($)
shares
Jun. 30, 2025
USD ($)
shares
Dec. 31, 2025
Mar. 12, 2025
Dec. 31, 2024
Disclosure of terms and conditions of share-based payment arrangement [line items]            
Share-based compensation expenses | $   $ 86 $ 58      
Number of shares acquired (in shares)   342,130 2,200,000      
Percentage of share capital repurchased       0.50%   3.30%
Acquisition of treasury shares | $   $ 96 $ 430      
Number of shares authorized for repurchase (in shares)   5,319,724 3,763,698      
Treasury shares outstanding (in shares)   915,601 2,651,727      
Share capital kr 1,900,000   $ 0      
Number of treasury shares cancelled 1,900,000          
Par value per share | kr / shares kr 1          
Maximum            
Disclosure of terms and conditions of share-based payment arrangement [line items]            
Share repurchase, percentage of share capital authorized         10.00%  
Share repurchase, percentage of purchase price deviation         10.00%