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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, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |
Total domestic passengers | 44,112 | 41,823 | 33,180
Total international passengers | 26,448 | 24,518 | 16,172
Number of total passengers | 70,560 | 66,341 | 49,352
Mexico |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |
Total domestic passengers | 21,273 | 18,701 | 15,057
Total international passengers | 22,195 | 20,823 | 14,081
Puerto Rico (Aerostar) |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |
Total domestic passengers | 10,919 | 9,404 | 9,139
Total international passengers | 1,278 | 907 | 545
Colombia (Airplan) |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |
Total domestic passengers | 11,920 | 13,718 | 8,984
Total international passengers | 2,975 | 2,788 | 1,546

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

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- Definition Amount of international passengers 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 Number of total passengers reported 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 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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