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Contractual Commitments - Granted Guarantees - Additional Information (Detail) - USD ($)
$ in Millions
 1 Months Ended 12 Months Ended
Jan. 31, 2024
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Class XVI NO [Member]        
Schedule of Granted Guarantees [Line Items]        
Balance of reserve and payment account for holders of class XVI NO   $ 165 $ 138 $ 160
Percentage of debt services   125.00%    
Period within which the amount deposited in the reserves shall be paid   6 months    
Reserve and payment account outstanding amount     40 25
Reserve and payment account maximum amount     $ 178 $ 185
Class XXVIII NO [Member]        
Schedule of Granted Guarantees [Line Items]        
Balance of reserve and payment account for holders of class XXVIII NO   $ 48    
Percentage of debt services 125.00%      
Period within which the amount deposited in the reserves shall be paid 6 months      
Granted Guarantees [member]        
Schedule of Granted Guarantees [Line Items]        
Assumed other commitments   77    
Bank guarantees issued   $ 12