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Provisions (Tables)
12 Months Ended
Dec. 31, 2019
Text block [abstract]  
Summary of Provisions
    
2019
  2018 
At January 1
                       320                       210 
Additional provisions
   42   231 
Disposals
   (60  (94
Unused amounts reversed through the income statement
   (3  (1
Used during the year
   (90  (34
Net exchange differences
   5   8 
At December 31
  
 
214
 
 
 
320
 
Current
   137   275 
Non-current
   77   45