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Income tax incurred and deferred: Temporary differences (Details) - MXN ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | --- | ---
Income tax: |  |  |
Deferred income tax asset | $ 222,543 | $ 217,988 |
Deferred income tax payable | (3,120,401) | (3,190,510) |
Deferred income tax liability - Net | (2,897,858) | (2,972,522) | $ (3,044,632)
Temporary liabilities |  |  |
Income tax: |  |  |
Deferred income tax asset | 80,229 | 72,439 |
Fair value of long-term debt (Bank loan) |  |  |
Income tax: |  |  |
Deferred income tax asset | 73,661 | 84,774 |
Allowance for doubtful accounts |  |  |
Income tax: |  |  |
Deferred income tax asset | 68,653 | 60,775 |
Deferred income tax liability - Net | 68,653 | 60,775 | $ 57,962
Fixed and intangible assets |  |  |
Income tax: |  |  |
Deferred income tax payable | (2,711,274) | (2,898,475) |
Temporary assets |  |  |
Income tax: |  |  |
Deferred income tax payable | (409,127) | (291,829) |
Amortization of expenses |  |  |
Income tax: |  |  |
Deferred income tax liability - Net |  | (206) |
Colombia (Airplan) | Fixed and intangible assets |  |  |
Income tax: |  |  |
Deferred income tax payable | (726,032) | (701,966) |
Puerto Rico (Aerostar) | Fixed and intangible assets |  |  |
Income tax: |  |  |
Deferred income tax payable | $ (1,198,574) | $ (1,083,114) |

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- Definition The amounts of income taxes recoverable in future periods in respect of: (a) deductible temporary differences; (b) the carryforward of unused tax losses; and (c) the carryforward of unused tax credits. [Refer: Temporary differences [member]; Unused tax credits [member]; Unused tax losses [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 12 -IssueDate 2023-01-01 -Paragraph 81 -Subparagraph g -Clause i -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2023-en-r&anchor=para_81_g_i&doctype=Standard -URIDate 2023-03-23 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2023-01-01 -Paragraph 54 -Subparagraph o -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_54_o&doctype=Standard -URIDate 2023-03-23 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2023-01-01 -Paragraph 56 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_56&doctype=Standard -URIDate 2023-03-23 + Details
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- Definition The amounts of income taxes payable in future periods in respect of taxable temporary differences. [Refer: Temporary differences [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 12 -IssueDate 2023-01-01 -Paragraph 81 -Subparagraph g -Clause i -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2023-en-r&anchor=para_81_g_i&doctype=Standard -URIDate 2023-03-23 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2023-01-01 -Paragraph 54 -Subparagraph o -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_54_o&doctype=Standard -URIDate 2023-03-23 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2023-01-01 -Paragraph 56 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_56&doctype=Standard -URIDate 2023-03-23 + Details
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