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Financial Risk Management - Additional Information (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Disclosure of nature and extent of risks arising from financial instruments [line items]      
Provision for doubtful trade receivables $ 59    
Guarantees granted by third parties $ 945 $ 873 $ 737
Exchange rate to convert pesos to U.S. dollars variation 356.00%    
Percentage of variable rate financial loans to total loans 8.00%    
Credit risk other financial assets national government and direct agencies accounts [member]      
Disclosure of nature and extent of risks arising from financial instruments [line items]      
Credit and investments with the National Government, direct agencies and companies with government participation $ 1,015    
Percentage of credit and investments with the National Government, direct agencies and companies with government participation 38.00%    
Interest rate risk [member] | LIBOR [member]      
Disclosure of nature and extent of risks arising from financial instruments [line items]      
Loans accrued $ 4    
Variable interest rate 1.50%    
Interest rate risk [member] | BADLAR [member]      
Disclosure of nature and extent of risks arising from financial instruments [line items]      
Loans accrued $ 44    
Interest rate risk [member] | BADLAR [member] | Bottom of range [member]      
Disclosure of nature and extent of risks arising from financial instruments [line items]      
Variable interest rate 0.10%    
Interest rate risk [member] | BADLAR [member] | Top of range [member]      
Disclosure of nature and extent of risks arising from financial instruments [line items]      
Variable interest rate 5.00%    
Interest rate risk [member] | SOFR [Member]      
Disclosure of nature and extent of risks arising from financial instruments [line items]      
Loans accrued $ 607    
Interest rate risk [member] | SOFR [Member] | Bottom of range [member]      
Disclosure of nature and extent of risks arising from financial instruments [line items]      
Variable interest rate 0.25%    
Interest rate risk [member] | SOFR [Member] | Top of range [member]      
Disclosure of nature and extent of risks arising from financial instruments [line items]      
Variable interest rate 8.50%    
Interest rate risk [member] | CDI Rate [Member]      
Disclosure of nature and extent of risks arising from financial instruments [line items]      
Loans accrued $ 7    
Interest rate risk [member] | CDI Rate [Member] | Bottom of range [member]      
Disclosure of nature and extent of risks arising from financial instruments [line items]      
Variable interest rate 0.34%    
Interest rate risk [member] | CDI Rate [Member] | Top of range [member]      
Disclosure of nature and extent of risks arising from financial instruments [line items]      
Variable interest rate 6.00%    
Interest rate risk [member] | SELIC [Member]      
Disclosure of nature and extent of risks arising from financial instruments [line items]      
Loans accrued $ 2    
Interest rate risk [member] | SELIC [Member] | Bottom of range [member]      
Disclosure of nature and extent of risks arising from financial instruments [line items]      
Variable interest rate 2.75%    
Interest rate risk [member] | SELIC [Member] | Top of range [member]      
Disclosure of nature and extent of risks arising from financial instruments [line items]      
Variable interest rate 4.90%    
Liquidity risk [member]      
Disclosure of nature and extent of risks arising from financial instruments [line items]      
Amount available for liquidity $ 1,123    
Cash 230    
Other liquid financial assets 893    
Other investments freely available $ 217