v3.25.4
Share-based payments - Outstanding Stock Options (Details)
12 Months Ended
Dec. 31, 2025
shares
$ / shares
Dec. 31, 2024
shares
$ / shares
Share-based Payment Arrangements [Abstract]    
Outstanding, beginning balance (in shares) | shares 6,545,819 7,484,561
Forfeited or expired (in shares) | shares (1,042,645) (938,742)
Outstanding, ending balance (in shares) | shares 5,503,174 6,545,819
Weighted average exercise price of share options outstanding, beginning balance (in cad per share) | $ / shares $ 61 $ 61
Weighted average exercise price of share options forfeited or expired (in cad per share) | $ / shares 57 59
Weighted average exercise price of share options outstanding, ending balance (in cad per share) | $ / shares $ 62 $ 61