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Intangible assets, airport concessions and goodwill - Net: - CGU with a significant amount of goodwill (Details) | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019
Colombia (Airplan) |  |
Disclosure by geographical areas: |  |
Discount rate | 6.92% | 9.66%
Operating costs and expenses annual average | 3.00% | 5.25%
Departing passenger growth rate |  | 6.70%
Passenger growth rate in the recovery period of each CGU. | 52.16% |
Recovery period (years) | 3 years |
Average growth rate of passengers in the period |  |
After the recovery of passengers for each CGU | 4.90% |
Hierarchy level of the fair value of the recoverable value of the CGU | 3 |
Puerto Rico (Aerostar) |  |
Disclosure by geographical areas: |  |
Discount rate | 9.54% | 9.60%
Operating costs and expenses annual average | 3.00% | 4.45%
Departing passenger growth rate |  | 2.50%
Passenger growth rate in the recovery period of each CGU. | 19.37% |
Recovery period (years) | 5 years |
Average growth rate of passengers in the period |  |
After the recovery of passengers for each CGU | 1.70% |
Hierarchy level of the fair value of the recoverable value of the CGU | 3 |
Mexico |  |
Disclosure by geographical areas: |  |
Discount rate | 12.20% |
Operating costs and expenses annual average | 3.00% |
Passenger growth rate in the recovery period of each CGU. | 34.80% |
Recovery period (years) | 5 years |
Average growth rate of passengers in the period |  |
After the recovery of passengers for each CGU | 2.30% |
Hierarchy level of the fair value of the recoverable value of the CGU | 3 |

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