Payables, Accruals and Provisions (Tables)
 12 Months Ended
Dec. 31, 2021
Text block [abstract]  
Schedule of Payables, Accruals and Provisions
 
   
December 31,
     
    
                2021
  
                            2020
   Trade payables
 
227
 
217
   Accruals
 
950
 
761
   Provisions (see note 22)
 
107
 
111
   Other current liabilities
 
79
 
70
   Total payables, accruals and provisions
 
1,363
 
1,159