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Cash and Cash Equivalents - Summary of Cash and Cash Equivalents (Detail) - MXN ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Cash And Cash Equivalents [Abstract]        
Cash $ 1,475,210 $ 6,068,555 $ 3,593,756  
Investments of cash surpluses 10,656,679 7,840,689 3,897,894  
Cash equivalents designated for expenditure, held in trust in short term 1,200,988 535,305 8,543  
Total $ 13,332,877 $ 14,444,549 $ 7,500,193 $ 6,151,457