Operating Expenses (Tables)
 12 Months Ended
Dec. 31, 2021
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Components of Operating Expenses
The components of operating expenses include the following:
 
   
Year ended December 31,
  
     
    
                2021
    
                            2020
  
Salaries, commissions and allowances
 
 
2,478
 
 
 
 2,269
 
Share-based payments
 
 
76
 
 
 
 64
 
Post-employment benefits
 
 
144
 
 
 
 135
 
Total staff costs
 
 
2,698
 
 
 
 2,468
 
Goods and services
(1)
 
 
1,306
 
 
 
 1,158
 
Content
 
 
276
 
 
 
 274
 
Telecommunications
 
 
50
 
 
 
 54
 
Facilities
 
 
48
 
 
 
 55
 
Fair value adjustments
(2)
 
 
(8)
 
 
 
 (10)
 
Total operating expenses
 
 
4,370
 
 
 
3,999
 
(1) Goods and services include professional fees, consulting and outsourcing services, contractors, selling and marketing, and other general and administrative costs.
(2) Fair value adjustments primarily represent gains or losses due to changes in foreign currency exchange rates on intercompany balances that arise in the ordinary course of business.