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Income tax incurred and deferred: Movement (Details) - MXN ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Income tax:    
Beginning Balances $ 3,165,145 $ 3,004,584
IFRS 16 adoption adjustment Conversion revaluation effect Airplan and Aerostar (24,241) 65,777
Increase (decrease) in deferred tax liability (asset) (96,272) 94,784
Ending Balances 3,044,632 3,165,145
Colombia (Airplan)    
Income tax:    
Increase (decrease) in deferred tax liability (asset) (5,997) (65,686)
Mexico    
Income tax:    
Increase (decrease) in deferred tax liability (asset) (128,254) 117,924
Puerto Rico (Aerostar)    
Income tax:    
Increase (decrease) in deferred tax liability (asset) 37,979 42,546
Allowance for doubtful accounts [member]    
Income tax:    
Beginning Balances (66,609) (34,296)
Increase (decrease) in deferred tax liability (asset) 8,647 (32,313)
Ending Balances (57,962) (66,609)
Allowance for doubtful accounts [member] | Colombia (Airplan)    
Income tax:    
Increase (decrease) in deferred tax liability (asset) 11,390 (11,390)
Allowance for doubtful accounts [member] | Mexico    
Income tax:    
Increase (decrease) in deferred tax liability (asset) (2,743) (20,923)
Concessioned assets    
Income tax:    
Beginning Balances 3,101,892 3,016,922
Increase (decrease) in deferred tax liability (asset) (23,392) 84,970
Ending Balances 3,078,500 3,101,892
Concessioned assets | Colombia (Airplan)    
Income tax:    
Increase (decrease) in deferred tax liability (asset) 28,642 (73,994)
Concessioned assets | Mexico    
Income tax:    
Increase (decrease) in deferred tax liability (asset) (91,743) 115,197
Concessioned assets | Puerto Rico (Aerostar)    
Income tax:    
Increase (decrease) in deferred tax liability (asset) 39,709 43,767
Unrealised foreign exchange gains (losses)    
Income tax:    
Beginning Balances 96,740 (42,814)
IFRS 16 adoption adjustment Conversion revaluation effect Airplan and Aerostar (61,018) 141,236
Increase (decrease) in deferred tax liability (asset) (2,819) (1,682)
Ending Balances 32,903 96,740
Unrealised foreign exchange gains (losses) | Colombia (Airplan)    
Income tax:    
Increase (decrease) in deferred tax liability (asset) (1,089) (461)
Unrealised foreign exchange gains (losses) | Puerto Rico (Aerostar)    
Income tax:    
Increase (decrease) in deferred tax liability (asset) (1,730) (1,221)
Other temporary differences    
Income tax:    
Beginning Balances 33,122 64,772
IFRS 16 adoption adjustment Conversion revaluation effect Airplan and Aerostar 36,777 (75,459)
Increase (decrease) in deferred tax liability (asset) (78,708) 43,809
Ending Balances (8,809) 33,122
Other temporary differences | Colombia (Airplan)    
Income tax:    
Increase (decrease) in deferred tax liability (asset) (44,940) 20,159
Other temporary differences | Mexico    
Income tax:    
Increase (decrease) in deferred tax liability (asset) $ (33,768) $ 23,650