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Investment in associate - Schedule of Condensed Statement of Comprehensive Profit (Loss) (Detail) - MXN ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Disclosure Of Significant Investments In Associates [Line Items]      
Revenues $ 16,226,021 $ 14,122,890 $ 12,365,918
Profit for the year 5,454,742 5,138,631 4,731,081
SCL Terminal Aerea De Santiago S. A. [Member]      
Disclosure Of Significant Investments In Associates [Line Items]      
Revenues 585 1,773 56,373
Costs, expenses and income taxes 53 8,184 37,043
Profit for the year $ 532 $ (6,411) $ 19,330