XML 73 R67.htm IDEA: XBRL DOCUMENT v3.23.3
Share-based awards - Schedule of Weighted Average Fair Values and Assumptions Used (Details) - Employee Stock Option - $ / shares
9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Weighted average grant date fair value $ 85.12 $ 68.40
Assumptions:    
Expected volatility 33.00% 31.00%
Dividend yield 0.00% 0.00%
Risk-free interest rate 3.98% 1.85%
Expected life 5 years 5 years