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Intangible assets, airport concessions and goodwill - Net: - Expected probability-weighted cash flow (Details) - MXN ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020
Disclosure of geographical areas [line items] |  |
Impairment loss | $ 0 | $ 0
Negative | CGU Mexico |  |
Disclosure of geographical areas [line items] |  |
Percentage of expected probability-weighted cash flows |  | 25.00%
Negative | CGU Airplan |  |
Disclosure of geographical areas [line items] |  |
Percentage of expected probability-weighted cash flows | 20.00% | 25.00%
Negative | CGU Aerostar |  |
Disclosure of geographical areas [line items] |  |
Percentage of expected probability-weighted cash flows | 15.00% | 25.00%
Base | CGU Mexico |  |
Disclosure of geographical areas [line items] |  |
Percentage of expected probability-weighted cash flows |  | 65.00%
Base | CGU Airplan |  |
Disclosure of geographical areas [line items] |  |
Percentage of expected probability-weighted cash flows | 70.00% | 65.00%
Base | CGU Aerostar |  |
Disclosure of geographical areas [line items] |  |
Percentage of expected probability-weighted cash flows | 75.00% | 65.00%
Positive | CGU Mexico |  |
Disclosure of geographical areas [line items] |  |
Percentage of expected probability-weighted cash flows |  | 10.00%
Positive | CGU Airplan |  |
Disclosure of geographical areas [line items] |  |
Percentage of expected probability-weighted cash flows | 10.00% | 10.00%
Positive | CGU Aerostar |  |
Disclosure of geographical areas [line items] |  |
Percentage of expected probability-weighted cash flows | 10.00% | 10.00%

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