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v3.26.1

Other liabilities - Changes in the concession fee payable (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2025 | Dec. 31, 2024
Other liabilities |  |
Balances at the beginning of the year | $ 748,515 | $ 913,370
Financial result | 81,743 | 87,556
Concession fees | 200,588 | 190,665
Payments | (194,383) | (227,571)
Re-equilibrium compensation | (1,522) | (19,144)
Other | (646) | 2,405
Translation differences and inflation adjustment | 84,503 | (198,766)
Balances at the end of the year | $ 918,798 | $ 748,515

X
- Definition Represents the concession fee for the period. + References No definition available. + Details
Name: | caap_ConcessionFee
Namespace Prefix: | caap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Represents current and non current portion of concession fee payable as of balance sheet date. + References No definition available. + Details
Name: | caap_ConcessionFeePayaleCurrentAndNoncurrent
Namespace Prefix: | caap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | caap_DisclosureOfOtherLiabiltiesAbstract
Namespace Prefix: | caap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The increase (decrease) in concession fee payable due to exchange difference. + References No definition available. + Details
Name: | caap_IncreaseDecreaseInConcessionFeePayableDueToExchangeDifference
Namespace Prefix: | caap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The increase (decrease) in concession fee payable due to finance income (loss). + References No definition available. + Details
Name: | caap_IncreaseDecreaseInConcessionFeePayableDueToFinanceIncomeCost
Namespace Prefix: | caap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The increase (decrease) in concession fee payable due to acquisition of subsidiaries. + References No definition available. + Details
Name: | caap_IncreaseDecreaseInConcessionFeePayableDueToOtherChanges
Namespace Prefix: | caap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The amount paid during the period towards concession fee. + References No definition available. + Details
Name: | caap_PaymentsForConcessionFeePayable
Namespace Prefix: | caap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The amount of re-equilibrium compensation during the period towards concession fee. + References No definition available. + Details
Name: | caap_ReEquilibriumCompensationForConcessionFeePayable
Namespace Prefix: | caap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration