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Intangible assets, airport concessions and goodwill - Net: - Additional information (Details) $ in Thousands, $ in Millions | 12 Months Ended
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Dec. 31, 2019 USD ($) | Dec. 31, 2019 MXN ($) | Dec. 31, 2018 MXN ($) | Dec. 31, 2017 MXN ($)
Disclosure by geographical areas: |  |  |  |
Commercial right's |  |  |  | $ 6,053,820
Amortisation expense |  | $ 1,750,239 | $ 1,694,252 | 1,130,481
Amortization commerical rights |  | 172,020 | 179,199 | 98,780
Impairment loss recognised in profit or loss, goodwill |  | $ 0 | $ 0 | 4,719,096
CGU Aerostar |  |  |  |
Disclosure by geographical areas: |  |  |  |
Explanation of value assigned to key assumption | If the discount rate applied to the cash flow projections of this CGU had been + 1% or -1% (instead of 9.60)%, management's estimate would have had the following effects: an excess of cash flows against the carrying amount of Ps.3,937,096 and Ps.9,876,930. | If the discount rate applied to the cash flow projections of this CGU had been + 1% or -1% (instead of 9.60)%, management's estimate would have had the following effects: an excess of cash flows against the carrying amount of Ps.3,937,096 and Ps.9,876,930. | If the discount rate applied to the cash flow projections of this CGU would have been + 1% or -1%, management's estimate would have to recognize additional effects. In the case of a rate increase (11.93% instead of 10.93%), the Company would have to recognize an additional impairment of Ps.617,025, and in the case of the decrease in the rate (9.93% instead of 10.93%) the excess of cash flows against the carrying value would be increased by Ps.2,350,705. |
Cash payments | $ 2.5 |  |  |
CGU Airplan |  |  |  |
Disclosure by geographical areas: |  |  |  |
Explanation of value assigned to key assumption | If the discount rate applied to the cash flow projections of this CGU had been + 1% or -1% (instead of 9.66%), management's estimate would have had the following effects, an excess of the flows of cash against the carrying amount of Ps.615,993 and Ps.1,102,280, respectively. | If the discount rate applied to the cash flow projections of this CGU had been + 1% or -1% (instead of 9.66%), management's estimate would have had the following effects, an excess of the flows of cash against the carrying amount of Ps.615,993 and Ps.1,102,280, respectively. | If the discount rate applied to the cash flow projections of this CGU would have been + 1% or -1%, management's estimate would have to recognize the following additional effects. In the case of a rate increase (11.46% instead of 10.46%), the Company would have to recognize and additional impairment of Ps.118.552, and in the case of the decrease in the rate (9.46% instead of 10.46%) the excess of cash flows against the carrying value would be increased by Ps.371,769. |
Licences |  |  |  |
Disclosure by geographical areas: |  |  |  |
Amortisation expense |  | $ 20,374 | $ 22,191 | 12,730
Colombia (Airplan) |  |  |  |
Disclosure by geographical areas: |  |  |  |
Amortisation expense |  | 384,169 | 351,885 | $ 54,823
Amortization commerical rights |  | $ 96,455 | 100,479 |
Period elapsed from date of execution of certificate of commencement of execution | 12 years | 12 years |  |
Percent of obligation to pay consideration on gross income | 19.00% | 19.00% |  | 19.00%
Puerto Rico (Aerostar) |  |  |  |
Disclosure by geographical areas: |  |  |  |
Amortisation expense |  | $ 433,328 | 406,261 | $ 405,090
Percent of obligation to pay consideration on gross income |  |  |  | 5.00%
Explanation of period over which management has projected cash flows | P33Y | P33Y |  |
Mexico |  |  |  |
Disclosure by geographical areas: |  |  |  |
Amortisation expense |  | $ 664,267 | $ 656,428 | $ 571,788

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