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Critical accounting judgments and key sources of estimation uncertainty: (Details) - MXN ($) $ in Thousands |  | 12 Months Ended
--- | --- | ---
May 15, 2008 | Dec. 31, 2024 | Dec. 31, 2023
Ifrs Statement [Line Items] |  |  |
Expected Revenue From Airplan |  | $ 13,081,476 | $ 12,450,476
Original concession period for operating rights | 25 years | 50 years |
Airplan |  |  |
Ifrs Statement [Line Items] |  |  |
Original concession period for operating rights | 15 years | 25 years |
Minimum | Airplan |  |  |
Ifrs Statement [Line Items] |  |  |
Original concession period for operating rights |  | 15 years |

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- Definition The concession period for operating rights original term. + References No definition available. + Details
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- Definition Represents expected revenue. + References No definition available. + Details
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Namespace Prefix: | asurb_
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Balance Type: | credit
Period Type: | duration

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

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- Details
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