XML 21 R85.htm IDEA: XBRL DOCUMENT v3.20.1
Changes in Accounting Policies (IFRS 9 and IFRS 16) - Additional Information (Detail) - CNY (¥)
¥ in Millions
Jan. 01, 2018
Dec. 31, 2019
Jan. 01, 2019
Dec. 31, 2018
Disclosure of initial application of standards or interpretations [line items]        
Investments accounted for using the equity method   ¥ 155,228 ¥ 144,109 ¥ 145,325
Bottom of range [member]        
Disclosure of initial application of standards or interpretations [line items]        
Weighted average lessee's incremental borrowing rate applied to lease liabilities recognised at date of initial application of IFRS 16     3.50%  
Top of range [member]        
Disclosure of initial application of standards or interpretations [line items]        
Weighted average lessee's incremental borrowing rate applied to lease liabilities recognised at date of initial application of IFRS 16     4.00%  
Increase/(decrease) due to IFRS9 - associates [member]        
Disclosure of initial application of standards or interpretations [line items]        
Retained profit ¥ (2,194)      
PRC statutory reserves (548)      
Increase of other comprehensive income of the group 548      
Investments accounted for using the equity method (2,194)      
Increase/(decrease) due to application of IFRS 16 [member]        
Disclosure of initial application of standards or interpretations [line items]        
Investments accounted for using the equity method     ¥ (1,216)  
Increase/(decrease) due to application of IFRS 16 [member] | IFRS 16 lease [member]        
Disclosure of initial application of standards or interpretations [line items]        
Retained profit     (1,202)  
PRC statutory reserves     (14)  
Investments accounted for using the equity method     ¥ (1,216)  
Increase/(decrease) due to IFRS9 - classification and measurement [member]        
Disclosure of initial application of standards or interpretations [line items]        
Financial assets at fair value profit or loss 65,630      
Equity investments measured at fair value of other comprehensive income 44      
Financial assets at fair value of other comprehensive income reserve 19      
Increase/(decrease) due to IFRS9 - Impairment [member]        
Disclosure of initial application of standards or interpretations [line items]        
Retained profit (165)      
PRC statutory reserves ¥ (6)