XML 58 R47.htm IDEA: XBRL DOCUMENT
v3.19.1

Summary of the main accounting policies: (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2018
Significant accounting policies [Abstract] |
Company consolidated subsidiaries [text block] | The Company’s consolidated subsidiaries, all of them based in Mexico, in which it holds shares at December 31, 2017 and 2018 are as follows:
|  | Shareholding |  |  |
|  | percentage (%) |  |  | Main activity
Aeropuerto de Cancún, S. A. de C. V. (*)(**) |  |  | 100.00 | % |  | Airport services
Aeropuerto de Cozumel, S. A. de C. V. |  |  | 100.00 | % |  | Airport services
Aeropuerto de Mérida, S. A. de C. V. |  |  | 100.00 | % |  | Airport services
Aeropuerto de Huatulco, S. A. de C. V. |  |  | 100.00 | % |  | Airport services
Aeropuerto de Oaxaca, S. A. de C. V. |  |  | 100.00 | % |  | Airport services
Aeropuerto de Veracruz, S. A. de C. V. |  |  | 100.00 | % |  | Airport services
Aeropuerto de Villahermosa, S. A. de C. V. |  |  | 100.00 | % |  | Airport services
Aeropuerto de Tapachula, S. A. de C. V. |  |  | 100.00 | % |  | Airport services
Aeropuerto de Minatitlán, S. A. de C. V. |  |  | 100.00 | % |  | Airport services
Cancun Airport Services, S. A. de C. V. (***) |  |  | 100.00 | % |  | Airport services
RH Asur, S. A. de C. V. |  |  | 100.00 | % |  | Administrative services
Servicios Aeroportuarios del Sureste, S. A. de C. V. |  |  | 100.00 | % |  | Administrative services
Asur FBO, S. A. de C. V. (***) |  |  | 100.00 | % |  | Administrative services
Caribbean Logistics, S. A. de C. V. (***) |  |  | 100.00 | % |  | Cargo services
Cargo RF, S. A. de C. V. (***) |  |  | 100.00 | % |  | Cargo services
| (*) | Cancún held a 50% of Aerostar until May 26, 2017, which was accounted as a joint venture. See Note 9. As of May 26, 2017, the Cancún acquired an additional 10% equity interest in Aerostar, As a result of this acquisition, the Company has a 60% shareholding and now controls Aerostar, therefore Aerostar is consolidated in the Company’s financial statements.
| (**) | Aeropuerto de Cancún, S. A. de C. V. acquired on October 19, 2017 a 92.42% and later in May 25, 2018 the 7,58% left to obtain the 100% equity interest in Sociedad Operadora de Aeropuertos Centro Norte, S. A. (Airplan), Company that holds the concession for the administration, operation, commercial exploitation, adaptation, modernization and maintenance of the Enrique Olaya Herrera in Medellín, José María Córdova in Rionegro, El Caraño in Quibdó, Los Garzones in Montería, Antonio Roldán Betancourt in Carepa and Las Brujas in Corozal airports, and from that date, Airplan’s results have been incorporated line-by-line into the Company’s and Cancún Airport’s financial statements.
| (***) | These subsidiaries sub-consolidate at the Cancún Airport.
Description of detailed information about useful life of assets [Text Block] | The useful lives at the acquisition date of the furniture and equipment are as shown below:
|  | 2018 |  |  | 2017 |
|  | % |  |  | % |
Furniture equipment |  |  | 10 to 20 |  |  |  | 10 to 20 |
Machinery |  |  | 10 to 20 |  |  |  | 10 to 20 |
Computer equipment |  |  | 33 to 20 |  |  |  | 33 to 20 |
Transportation equipment |  |  | 20 to 25 |  |  |  | 20 to 25 |
Improvements to leased premises |  |  | 10 |  |  |  | 10 |
Shedule of estimated useful lives [Text Block] | The estimated useful lives at December 31, 2018 are as follows:
Licenses | 30 years
ODC | 30 years
Commercial Right’s of Aerostar | 35 years
Commercial Right’s of Airplan | 14 years

X
- References No definition available. + Details
Name: | asurb_CompanyConsolidatedSubsidiariesTableTextBlock
Namespace Prefix: | asurb_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition The description of detailed information about useful life of assets. + References No definition available. + Details
Name: | asurb_DescriptionOfDetailedInformationAboutUsefulLifeOfAssetsTextBlock
Namespace Prefix: | asurb_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition The Shedule of estimated useful lives. + References No definition available. + Details
Name: | asurb_SheduleOfEstimatedUsefulLivesTextBlock
Namespace Prefix: | asurb_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | asurb_SignificantAccountingPoliciesAbstract
Namespace Prefix: | asurb_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration