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Investment in associate - Schedule of Net Results of SCL Comprised (Detail) - MXN ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Disclosure Of Significant Investments In Associates [Line Items]      
Net (loss) profit SCL $ 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]      
Net (loss) profit SCL $ 532 $ (6,411) $ 19,330
Percentage of stake by the company 14.77% 14.77% 14.77%
Share of (loss) profit of associate $ 79 $ (947) $ 2,855