XML 66 R55.htm IDEA: XBRL DOCUMENT
v3.21.1

Revenue from Contracts with Customers: Domestic and international passenger traffic - (Details) - individual | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |
Total domestic passengers | 17,419 | 35,371
Total international passengers | 8,171 | 20,291
Number of total passengers | 25,590 | 55,662
Mexico |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |
Total domestic passengers | 9,246 | 16,684
Total international passengers | 7,283 | 17,478
Puerto Rico (Aerostar) |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |
Total domestic passengers | 4,548 | 8,456
Total international passengers | 298 | 992
Colombia (Airplan) |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |
Total domestic passengers | 3,625 | 10,231
Total international passengers | 590 | 1,821

X
- Definition Amount of domestic passengers during the period. + References No definition available. + Details
Name: | asurb_NumberOfDomesticPassengers
Namespace Prefix: | asurb_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of international passengers during the period. + References No definition available. + Details
Name: | asurb_NumberOfInternationalPassengers
Namespace Prefix: | asurb_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of total passengers reported during the period. + References No definition available. + Details
Name: | asurb_NumberOfTotalPassengers
Namespace Prefix: | asurb_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. + References No definition available. + Details
Name: | ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | ifrs-full_GeographicalAreasAxis=country_MX
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_GeographicalAreasAxis=country_PR
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_GeographicalAreasAxis=country_CO
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |