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Income tax incurred and deferred: Temporary differences (Details) - MXN ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Income tax:      
Net deferred tax assets $ 257,512 $ 303,612  
Deferred tax liability (asset) 3,004,584 3,081,668 $ 3,033,930
Later than one year      
Income tax:      
Deferred tax liabilities 3,262,096 3,385,280  
Temporary differences      
Income tax:      
Net deferred tax assets 48,079 53,121  
Fair Value of Long term Debt      
Income tax:      
Net deferred tax assets 175,137 213,617  
Allowance for doubtful accounts      
Income tax:      
Net deferred tax assets 34,296 36,874  
Deferred tax liability (asset) (34,296) (36,874) $ (44,916)
Fixed and intangible assets      
Income tax:      
Deferred tax liabilities 2,974,108 3,139,757  
Temporary assets      
Income tax:      
Deferred tax liabilities 287,172 244,502  
Amortization of expenses      
Income tax:      
Deferred tax liabilities 816 1,021  
Colombia (Airplan) | Fixed and intangible assets      
Income tax:      
Deferred tax liabilities 695,212 909,706  
Puerto Rico (Aerostar) | Fixed and intangible assets      
Income tax:      
Deferred tax liabilities $ 942,519 $ 943,256