XML 248 R216.htm IDEA: XBRL DOCUMENT v3.23.1
Share-based payment - Summary of Options at Different Exercise Price (Detail) - shares
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Disclosure Of Terms And Conditions Of Share Based Payment Arrangement Options At Different Exercise Price [Line Items]        
Number of options 15,000,000 17,821,000 21,460,000 25,344,000
Exercise price 8.00 per share option [Member]        
Disclosure Of Terms And Conditions Of Share Based Payment Arrangement Options At Different Exercise Price [Line Items]        
Number of options 535,000      
Exercise price 50.00 per share option [Member]        
Disclosure Of Terms And Conditions Of Share Based Payment Arrangement Options At Different Exercise Price [Line Items]        
Number of options 3,738,000      
Exercise price 98.06 per share option [Member]        
Disclosure Of Terms And Conditions Of Share Based Payment Arrangement Options At Different Exercise Price [Line Items]        
Number of options 7,905,000      
Exercise price 118.00 per share option [Member]        
Disclosure Of Terms And Conditions Of Share Based Payment Arrangement Options At Different Exercise Price [Line Items]        
Number of options 2,822,000