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Earnings Per Share (Tables)
 12 Months Ended
Dec. 31, 2020
Text block [abstract]  
Disclosure of diluted earnings per share
   2020   2019   2018 
   Million   Million   Million 
Profit attributable to equity shareholders of the Company used in calculating basic earnings per share
   107,843    106,641    117,781 
Add:  
d
ilution impact on share of profit of investment in an associate due to the associate’s convertible bonds (note 23)
   —      41    —   
Less:  
f
air value gain on the associate’s convertible bonds held by the Group, net of tax
   —      (632)    —   
   
 
 
   
 
 
   
 
 
 
Profit attributable to equity shareholders of the Company used in calculating diluted earnings per share
   107,843    106,050    117,781