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Cash and Cash Equivalents (Tables)
 12 Months Ended
Dec. 31, 2021
Text Block [Abstract]  
Summary of Cash And Cash Equivalents
    
2021
     
2020
  
(in $ millions)
   
$
     
$
  
Short-term deposits
      594        287  
Cash at banks and on hand
      4,397        1,886  
Cash and cash equivalents in the statement of financial position
      4,991        2,173  
Restricted cash
      (153 )       (169 ) 
Cash and cash equivalents in the statement of cash flows
      4,838        2,004