Registration statement for securities of certain foreign private issuers

Employee Benefits - Summary of Number and Weighted Average Exercise Price of Share Options (Detail)

v3.21.2
Employee Benefits - Summary of Number and Weighted Average Exercise Price of Share Options (Detail)
 12 Months Ended
Dec. 31, 2020
shares
$ / shares
Dec. 31, 2019
shares
$ / shares
DisclosureOfNumberAndWeightedAverageExercisePricesOfShareOptions [Abstract]    
Beginning Balance, Weighted average exercise price | $ / shares $ 0.00001 $ 0.00001
Forfeited during the year, Weighted average exercise price | $ / shares 0.00001 0.00001
Exercised during the year ,Weighted average exercise price | $ / shares 0  
Granted during the year, Weighted average exercise price | $ / shares 0.00001 0.00001
Ending balance, Weighted average exercise price | $ / shares 0.00001 $ 0.00001
Exercisable at the end of the year, Weighted average exercise price | $ / shares $ 0  
Beginning Balance, Number of options | shares 74,707,270 57,613,684
Forfeited during the year, Number of options | shares (8,673,488) (9,160,081)
Exercised during the year, Number of options | shares 0  
Granted during the year, Number of options | shares 12,738,070 26,253,667
Ending Balance, Number of options | shares 78,771,852 74,707,270
Exercisable at the end of the year, Number of options | shares 0