Registration statement for securities of certain foreign private issuers

Significant accounting policies - Summary of Estimated Useful Lives of Intangible Assets (Detail)

v3.22.1
Significant accounting policies - Summary of Estimated Useful Lives of Intangible Assets (Detail)
 12 Months Ended
Dec. 31, 2021
Software – Internally developed software  
Disclosure of detailed information about intangible assets [line items]  
Intangible assets, Useful life 3 years
Software – Purchased from third parties | Bottom of range [member]  
Disclosure of detailed information about intangible assets [line items]  
Intangible assets, Useful life 1 year
Software – Purchased from third parties | Top of range [member]  
Disclosure of detailed information about intangible assets [line items]  
Intangible assets, Useful life 3 years