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Balances and transactions with related parties: Receivable/Payable (Details) - MXN ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Related parties:
Payables to related parties	$ 178,294	$ 169,696
Inversiones y Tecnicas Aeroportuarias, S. A. de C. V.
Related parties:
Payables to related parties	$ 178,294	$ 169,696

X

- Definition

The amount of payables due to related parties.

+ References

No definition available.

+ Details

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Namespace Prefix:	asurb_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- 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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Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	ifrs-full_CategoriesOfRelatedPartiesAxis=asurb_InversionesYTecnicasAeroportuariasSADeCVMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: