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Revenue from Contracts with Customers: Domestic and international passenger traffic - (Details) - individual | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |
Total domestic passengers | 33,180 | 17,419 | 35,371
Total international passengers | 16,172 | 8,171 | 20,291
Number of total passengers | 49,352 | 25,590 | 55,662
Mexico |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |
Total domestic passengers | 15,057 | 9,246 | 16,684
Total international passengers | 14,081 | 7,283 | 17,478
Puerto Rico (Aerostar) |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |
Total domestic passengers | 9,139 | 4,548 | 8,456
Total international passengers | 545 | 298 | 992
Colombia (Airplan) |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |
Total domestic passengers | 8,984 | 3,625 | 10,231
Total international passengers | 1,546 | 590 | 1,821

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

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- 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

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

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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table. + References No definition available. + Details
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- Details
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- Details
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- Details
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Namespace Prefix: |
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