XML 101 R62.htm IDEA: XBRL DOCUMENT v3.21.1
Application of new and revised international financial reporting standards - Summary of Non Mandatory standards and interpretations issued by IASB (Detail)
 12 Months Ended
Dec. 31, 2020
IFRS 16  
Disclosure of expected impact of initial application of new standards or interpretations [line items]  
Title of new IFRS IFRS 16 COVID-19-Related Rent Concessions Amendment
Date by which application of new IFRS is required Jan. 01, 2021
Amendments To IAS 1  
Disclosure of expected impact of initial application of new standards or interpretations [line items]  
Title of new IFRS Amendments to IAS 1,” Presentation of financial statements”, on classification of liabilities
Date by which application of new IFRS is required Jan. 01, 2022
IFRS 17  
Disclosure of expected impact of initial application of new standards or interpretations [line items]  
Title of new IFRS IFRS 17 Insurance contracts
Date by which application of new IFRS is required Jan. 01, 2023