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Debt - Summary of Long Term Debt Maturities (Detail)
$ in Thousands, $ in Millions
Dec. 31, 2021
MXN ($)
Dec. 31, 2021
USD ($)
Dec. 31, 2020
MXN ($)
Disclosure of detailed information about borrowings [line items]      
Long-term debt $ 418,807,430 $ 20,347 $ 480,299,772
2023      
Disclosure of detailed information about borrowings [line items]      
Long-term debt 24,599,324    
2024      
Disclosure of detailed information about borrowings [line items]      
Long-term debt 80,031,350    
2025      
Disclosure of detailed information about borrowings [line items]      
Long-term debt 5,292,314    
2026 and thereafter      
Disclosure of detailed information about borrowings [line items]      
Long-term debt $ 308,884,442