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Provisions (Tables)
 12 Months Ended
Dec. 31, 2022
Provisions  
Schedule of movements in other provisions
 
  
2022
  
 
  
US $
in millions
  
Balance at the beginning of the year
  
 
28.3
  
Provisions added during the year
  

 
31.9
  
Provisions utilized during the year
  

 
(7.3
 )
Provisions reversed during the year
  

 
(2.7
 )
Balance at the end of the year
  

 
50.2