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Income tax incurred and deferred: Movement (Details) - MXN ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021
Income tax: |  |
Beginning Balances | $ 3,044,632 | $ 3,165,145
IFRS 16 adoption adjustment Conversion revaluation effect Airplan and Aerostar | (168,592) | (24,241)
Increase (decrease) in deferred tax liability (asset) | 96,482 | (96,272)
Ending Balances | 2,972,522 | 3,044,632
Colombia (Airplan) |  |
Income tax: |  |
Increase (decrease) in deferred tax liability (asset) | 227,402 | (5,997)
Mexico |  |
Income tax: |  |
Increase (decrease) in deferred tax liability (asset) | (169,080) | (128,254)
Puerto Rico (Aerostar) |  |
Income tax: |  |
Increase (decrease) in deferred tax liability (asset) | 38,160 | 37,979
Allowance for doubtful accounts [member] |  |
Income tax: |  |
Beginning Balances | (57,962) | (66,609)
Increase (decrease) in deferred tax liability (asset) | (2,813) | 8,647
Ending Balances | (60,775) | (57,962)
Allowance for doubtful accounts [member] | Colombia (Airplan) |  |
Income tax: |  |
Increase (decrease) in deferred tax liability (asset) | (1,123) | 11,390
Allowance for doubtful accounts [member] | Mexico |  |
Income tax: |  |
Increase (decrease) in deferred tax liability (asset) | (1,690) | (2,743)
Concessioned assets |  |
Income tax: |  |
Beginning Balances | 3,078,500 | 3,101,892
Increase (decrease) in deferred tax liability (asset) | (96,776) | (23,392)
Ending Balances | 2,981,724 | 3,078,500
Concessioned assets | Colombia (Airplan) |  |
Income tax: |  |
Increase (decrease) in deferred tax liability (asset) | 9,298 | 28,642
Concessioned assets | Mexico |  |
Income tax: |  |
Increase (decrease) in deferred tax liability (asset) | (145,056) | (91,743)
Concessioned assets | Puerto Rico (Aerostar) |  |
Income tax: |  |
Increase (decrease) in deferred tax liability (asset) | 38,982 | 39,709
Unrealised foreign exchange gains (losses) |  |
Income tax: |  |
Beginning Balances | 32,903 | 96,740
IFRS 16 adoption adjustment Conversion revaluation effect Airplan and Aerostar | (117,978) | (61,018)
Increase (decrease) in deferred tax liability (asset) | 1,826 | (2,819)
Ending Balances | (83,249) | 32,903
Unrealised foreign exchange gains (losses) | Colombia (Airplan) |  |
Income tax: |  |
Increase (decrease) in deferred tax liability (asset) | 2,648 | (1,089)
Unrealised foreign exchange gains (losses) | Puerto Rico (Aerostar) |  |
Income tax: |  |
Increase (decrease) in deferred tax liability (asset) | (822) | (1,730)
Other temporary differences |  |
Income tax: |  |
Beginning Balances | (8,809) | 33,122
IFRS 16 adoption adjustment Conversion revaluation effect Airplan and Aerostar | (50,614) | 36,777
Increase (decrease) in deferred tax liability (asset) | 194,245 | (78,708)
Ending Balances | 134,822 | (8,809)
Other temporary differences | Colombia (Airplan) |  |
Income tax: |  |
Increase (decrease) in deferred tax liability (asset) | 216,579 | (44,940)
Other temporary differences | Mexico |  |
Income tax: |  |
Increase (decrease) in deferred tax liability (asset) | $ (22,334) | $ (33,768)

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