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Intangible assets, airport concessions and goodwill - Net: - Impairment tests (Details) - MXN ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Disclosure by geographical areas:      
Goodwill (Note 1.1) $ 2,567,365    
Impairment (Note 4) 0 $ 0 $ (4,719,096)
Puerto Rico (Aerostar)      
Disclosure by geographical areas:      
Goodwill (Note 1.1) $ 1,057,651   887,169
Puerto Rico (Aerostar) | Gross carrying amount      
Disclosure by geographical areas:      
Goodwill (Note 1.1)     $ 5,606,265