XML 97 R86.htm IDEA: XBRL DOCUMENT v3.21.1
Income tax incurred and deferred: Movement (Details) - MXN ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Income tax:    
Beginning Balances $ 3,004,584 $ 3,081,668
IFRS 16 adoption adjustment Conversion revaluation effect Airplan and Aerostar 65,777 (79,459)
Increase (decrease) in deferred tax liability (asset) 94,784 2,375
Ending Balances 3,165,145 3,004,584
Colombia (Airplan)    
Income tax:    
Increase (decrease) in deferred tax liability (asset) (65,686) (92,794)
Mexico    
Income tax:    
Increase (decrease) in deferred tax liability (asset) 117,924 57,023
Puerto Rico (Aerostar)    
Income tax:    
Increase (decrease) in deferred tax liability (asset) 42,546 38,146
Allowance for doubtful accounts    
Income tax:    
Beginning Balances (34,296) (36,874)
Increase (decrease) in deferred tax liability (asset) (32,313) 2,578
Ending Balances (66,609) (34,296)
Allowance for doubtful accounts | Colombia (Airplan)    
Income tax:    
Increase (decrease) in deferred tax liability (asset) (11,390) 2,467
Allowance for doubtful accounts | Mexico    
Income tax:    
Increase (decrease) in deferred tax liability (asset) (20,923) 111
Concessioned assets    
Income tax:    
Beginning Balances 3,016,922 3,079,749
Increase (decrease) in deferred tax liability (asset) 84,970 (62,827)
Ending Balances 3,101,892 3,016,922
Concessioned assets | Colombia (Airplan)    
Income tax:    
Increase (decrease) in deferred tax liability (asset) (73,994) (161,556)
Concessioned assets | Mexico    
Income tax:    
Increase (decrease) in deferred tax liability (asset) 115,197 60,315
Concessioned assets | Puerto Rico (Aerostar)    
Income tax:    
Increase (decrease) in deferred tax liability (asset) 43,767 38,414
Unrealised foreign exchange gains (losses)    
Income tax:    
Beginning Balances (42,814) 60,008
IFRS 16 adoption adjustment Conversion revaluation effect Airplan and Aerostar 141,236 (102,370)
Increase (decrease) in deferred tax liability (asset) (1,682) (452)
Ending Balances 96,740 (42,814)
Unrealised foreign exchange gains (losses) | Colombia (Airplan)    
Income tax:    
Increase (decrease) in deferred tax liability (asset) (461) (184)
Unrealised foreign exchange gains (losses) | Puerto Rico (Aerostar)    
Income tax:    
Increase (decrease) in deferred tax liability (asset) (1,221) (268)
Other temporary differences    
Income tax:    
Beginning Balances 64,772 (21,215)
IFRS 16 adoption adjustment Conversion revaluation effect Airplan and Aerostar (75,456) 22,911
Increase (decrease) in deferred tax liability (asset) 43,809 63,076
Ending Balances 33,125 64,772
Other temporary differences | Colombia (Airplan)    
Income tax:    
Increase (decrease) in deferred tax liability (asset) 20,159 66,479
Other temporary differences | Mexico    
Income tax:    
Increase (decrease) in deferred tax liability (asset) $ 23,650 $ (3,403)