XML 112 R97.htm IDEA: XBRL DOCUMENT v3.22.0.1
Share-based compensation - Schedule of Activity in Stock Options Outstanding and Related Information (Details)
 12 Months Ended
Dec. 31, 2021
shares
$ / shares
Dec. 31, 2020
shares
$ / shares
Dec. 31, 2019
shares
$ / shares
Disclosure Of Share Based Payments [Abstract]      
Number of options outstanding, beginning balance (in shares) | shares 9,041,288 12,153,772 12,243,526
Number of options granted (in shares) | shares 2,164,070 2,356,040 4,152,565
Number of options forfeited (in shares) | shares (414,317) (855,051) (719,860)
Number of options exercised (in shares) | shares (2,074,572) (4,556,908) (3,478,660)
Number of options expired (in shares) | shares (21,121) (56,565) (43,799)
Number of options outstanding, ending balance (in shares) | shares 8,695,348 9,041,288 12,153,772
Number of options, Exercisable (in shares) | shares 4,453,983 4,022,751 5,553,650
Weighted average exercise price outstanding, beginning balance (in dollars per share) | $ / shares $ 138.60 $ 107.68 $ 77.63
Weighted average exercise price granted (in dollars per share) | $ / shares 315.86 180.12 147.11
Weighted average exercise price forfeited (in dollars per share) | $ / shares 191.43 131.30 105.01
Weighted average exercise price exercised (in dollars per share) | $ / shares 96.12 78.87 49.41
Weighted average exercise price expired (in dollars per share) | $ / shares 196.25 146.69 117.79
Weighted average exercise price outstanding, ending balance (in dollars per share) | $ / shares 190.19 138.60 107.68
Weighted average exercise price, Exercisable (in dollars per share) | $ / shares $ 152.64 $ 113.91 $ 84.18