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Cash and Cash Equivalents (Tables)
12 Months Ended
Dec. 31, 2020
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Summary of Cash and Cash Equivalents
   As of   As of 
   December 31, 2020
Million
   December 31, 2019
Million
 
Bank deposits with original maturity within three months
   8,346    8,959 
Cash at banks and on hand
   204,383    166,974 
   
 
 
   
 
 
 
    212,729    175,933