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Basis of Preparation of the Consolidated Financial Statements and Summary of Significant Accounting Policies and Practices - Summary of Exchange Rates Used for Translation of Foreign Currencies (Detail)
 12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Apr. 24, 2020
Disclosure of transactions in foreign currency [line items]        
Closing exchange rate 0.3147 0.5221    
Argentina [member]        
Disclosure of transactions in foreign currency [line items]        
Average exchange rate 0.4110 0.7311 1.1489  
Closing exchange rate 0.3147 0.5221    
Brazil [member]        
Disclosure of transactions in foreign currency [line items]        
Average exchange rate 4.8907 5.2937 5.9346  
Closing exchange rate 4.6754 5.0797    
Colombia [member]        
Disclosure of transactions in foreign currency [line items]        
Average exchange rate 0.0059 0.0065 0.0064  
Closing exchange rate 0.0058 0.0061    
Guatemala [member]        
Disclosure of transactions in foreign currency [line items]        
Average exchange rate 2.5023 2.5591 2.5755  
Closing exchange rate 2.4478 2.5440    
U.S.A. [member]        
Disclosure of transactions in foreign currency [line items]        
Average exchange rate 19.2641 19.2397 18.9400  
Closing exchange rate 18.8452 19.6829   24.5883
Uruguay [member]        
Disclosure of transactions in foreign currency [line items]        
Average exchange rate 0.5479 0.6274 0.6606  
Closing exchange rate 0.5051 0.6074    
Nicaragua [member]        
Disclosure of transactions in foreign currency [line items]        
Average exchange rate 0.5817 0.6097 0.6307  
Closing exchange rate 0.5569 0.6088    
Honduras [member]        
Disclosure of transactions in foreign currency [line items]        
Average exchange rate 0.7806 0.7994 0.8007  
Closing exchange rate 0.7597 0.8031    
Chile [member]        
Disclosure of transactions in foreign currency [line items]        
Average exchange rate 0.0275 0.0300 0.0292  
Closing exchange rate 0.0252 0.0283    
Paraguay [member]        
Disclosure of transactions in foreign currency [line items]        
Average exchange rate 0.0031 0.0034 0.0034  
Closing exchange rate 0.0029 0.0033    
Peru [member]        
Disclosure of transactions in foreign currency [line items]        
Average exchange rate 5.7708 5.8517 5.8054  
Closing exchange rate 5.6814 5.8406    
Dominican Republic [member]        
Disclosure of transactions in foreign currency [line items]        
Average exchange rate 0.3737 0.3876 0.3983  
Closing exchange rate 0.3542 0.3898    
Costa Rica [member]        
Disclosure of transactions in foreign currency [line items]        
Average exchange rate 0.0326 0.0332 0.0331  
Closing exchange rate 0.0327 0.0322    
European Union [member]        
Disclosure of transactions in foreign currency [line items]        
Average exchange rate 21.5642 22.7101 21.3649  
Closing exchange rate 21.1311 22.5586    
Bulgaria [member]        
Disclosure of transactions in foreign currency [line items]        
Average exchange rate 11.0257 11.6110 10.9223  
Closing exchange rate 10.8076 11.5327    
Belarus [member]        
Disclosure of transactions in foreign currency [line items]        
Average exchange rate 9.2159 9.4451 9.8087  
Closing exchange rate 8.9420 9.1319    
Croatia [member]        
Disclosure of transactions in foreign currency [line items]        
Average exchange rate 2.9069 3.0613 2.8619  
Closing exchange rate 2.8406 3.0435    
Macedonia [member]        
Disclosure of transactions in foreign currency [line items]        
Average exchange rate 0.3504 0.3688 0.3471  
Closing exchange rate 0.3431 0.3667    
Serbia [member]        
Disclosure of transactions in foreign currency [line items]        
Average exchange rate 0.1830 0.1920 0.1762  
Closing exchange rate 0.1795 0.1907