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Contractual Commitments - Granted Guarantees - Additional Information (Detail) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Class XIV Nos [Member]    
Disclosure of geographical areas [line items]    
Percentage of debt services 125.00%  
Term over which the debt services shall be settled 6 months  
Class XIV Nos [Member] | NY    
Disclosure of geographical areas [line items]    
Restricted cash $ 19  
Argentine Bonds 2029 and 2030    
Disclosure of geographical areas [line items]    
Nominal Value of Security   $ 290
OPESSA    
Disclosure of geographical areas [line items]    
Security commitment   30
Security commitement outstanding   $ 25
Granted Guarantees [member]    
Disclosure of geographical areas [line items]    
Issued letters of credit 8  
Assumed other commitments $ 155