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Contingencies, commitments and restrictions on the distribution of profits - Uruguayan Concession Agreements (Details) $ in Thousands, item in Millions |  |  |  | 1 Months Ended | 5 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | --- | ---
May 15, 2024 USD ($) | Nov. 08, 2021 USD ($) aircraft | Jun. 28, 2019 USD ($) | Sep. 30, 2025 USD ($) | Jun. 30, 2024 USD ($) | May 31, 2024 USD ($) | Dec. 31, 2025 USD ($) kg item $ / item | Dec. 31, 2024 USD ($)
Contingencies, commitments and restrictions on the distribution of profits |  |  |  |  |  |  |  |
Capital expenditure |  |  |  |  |  |  | $ 226,787 | $ 235,712
Carrasco International Airport and New Airports |  |  |  |  |  |  |  |
Contingencies, commitments and restrictions on the distribution of profits |  |  |  |  |  |  |  |
Concession agreement extension period | 10 years |  |  |  |  |  |  |
Investment projects amount | $ 7,600 |  |  |  |  |  |  |
Investment Commitments | $ 3,000 |  |  |  |  |  |  |
Carrasco International Airport and New Airports | Puerta del Sur S.A ("PDS") |  |  |  |  |  |  |  |
Contingencies, commitments and restrictions on the distribution of profits |  |  |  |  |  |  |  |
Capital expenditure |  | $ 67,000 |  |  |  |  |  |
Carrasco International Airport and New Airports | Puerta del Sur S.A ("PDS") | Later than one year and not later than two years |  |  |  |  |  |  |  |
Contingencies, commitments and restrictions on the distribution of profits |  |  |  |  |  |  |  |
Capital expenditure |  |  |  |  |  |  | 13,000 |
Carrasco International Airport and New Airports | Puerta del Sur S.A ("PDS") | 2023 |  |  |  |  |  |  |  |
Contingencies, commitments and restrictions on the distribution of profits |  |  |  |  |  |  |  |
Capital expenditure |  |  |  |  |  |  | 32,000 |
Carrasco International Airport and New Airports | Puerta del Sur S.A ("PDS") | 2024 |  |  |  |  |  |  |  |
Contingencies, commitments and restrictions on the distribution of profits |  |  |  |  |  |  |  |
Capital expenditure |  |  |  |  |  |  | 18,000 |
Carrasco International Airport and New Airports | Puerta del Sur S.A ("PDS") | 2028 |  |  |  |  |  |  |  |
Contingencies, commitments and restrictions on the distribution of profits |  |  |  |  |  |  |  |
Capital expenditure |  |  |  |  |  |  | 4,000 |
Punta del Este |  |  |  |  |  |  |  |
Contingencies, commitments and restrictions on the distribution of profits |  |  |  |  |  |  |  |
Incremental capital expenditures |  |  | $ 35,000 |  |  |  |  |
Minimum annual concession fee |  |  | 500 | $ 666 | $ 649 | $ 611 |  |
Construction completion guarantee |  |  | 1,000 |  |  |  |  |
Concession contract fulfilment guarantee |  |  | $ 400 |  |  |  |  |
URUGUAY |  |  |  |  |  |  |  |
Contingencies, commitments and restrictions on the distribution of profits |  |  |  |  |  |  |  |
Incremental capital expenditures |  |  |  |  |  |  | $ 3,500 |
Number of passengers to determine additional fees | item |  |  |  |  |  |  | 1.5 |
Period for performance guarantee returned after expiration of concession agreement |  |  |  |  |  |  | 6 months |
URUGUAY | Puerta del sur |  |  |  |  |  |  |  |
Contingencies, commitments and restrictions on the distribution of profits |  |  |  |  |  |  |  |
Number of regional airports | aircraft |  | 6 |  |  |  |  |  |
Incremental capital expenditures |  |  |  |  |  |  | $ 56,800 |
Annual fee required to pay government higher of stated amount as per first condition |  |  |  |  |  |  | $ 6,056 |
Annual fee required to pay government, number of work units required, as per second condition | kg |  |  |  |  |  |  | 100 |
Annual fee required to pay government, per unit value required, as per second condition | $ / item |  |  |  |  |  |  | 0.00557 |
Additional guarantee granted |  |  |  |  |  |  | $ 3,900 |
Performance guarantee |  |  |  |  |  |  | 7,600 |
Minimum coverage amount |  |  |  |  |  |  | 250,000 |
Amount covered by insurance |  |  |  |  |  |  | $ 646,000 |
Period to incur additional capital expenditures |  |  |  |  |  |  | 5 years |
URUGUAY | Punta del Este |  |  |  |  |  |  |  |
Contingencies, commitments and restrictions on the distribution of profits |  |  |  |  |  |  |  |
Amount covered by insurance |  |  |  |  |  |  | $ 369,300 |

X
- Definition Represents the amount associated to additional guarantee securing completion of construction work of new terminal. + References No definition available. + Details
Name: | caap_AdditionalGuaranteeSecuringCompletionOfConstructionWorkOfNewTerminal
Namespace Prefix: | caap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of insurance coverage available to the entity. + References No definition available. + Details
Name: | caap_AmountCoveredByInsurance
Namespace Prefix: | caap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Represents the amount of concession contract fulfilment to whom guarantee sets up. + References No definition available. + Details
Name: | caap_AmountOfConcessionContractFulfilmentToWhomGuaranteeSetsUp
Namespace Prefix: | caap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Represents annual fee required to pay government higher of stated amount as per first condition. + References No definition available. + Details
Name: | caap_AnnualFeeRequiredToPayGovernmentHigherOfStatedAmountAsPerFirstCondition
Namespace Prefix: | caap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Represents annual fee required to pay government, number of work units required, as per second condition. + References No definition available. + Details
Name: | caap_AnnualFeeRequiredToPayGovernmentNumberOfWorkUnitsRequiredAsPerSecondCondition
Namespace Prefix: | caap_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents annual fee required to pay government, per unit value required, as per second condition. + References No definition available. + Details
Name: | caap_AnnualFeeRequiredToPayGovernmentPerUnitValueRequiredAsPerSecondCondition
Namespace Prefix: | caap_
Data Type: | srt-types:perUnitItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the capital expenditure incurred by the entity. + References No definition available. + Details
Name: | caap_CapitalExpenditure
Namespace Prefix: | caap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of incremental capital expenditure under the concession agreement. + References No definition available. + Details
Name: | caap_ConcessionAgreementIncrementalCapitalExpenditures
Namespace Prefix: | caap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of minimum annual concession fee under the concession agreement. + References No definition available. + Details
Name: | caap_ConcessionAgreementMinimumAnnualConcessionFee
Namespace Prefix: | caap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount pursuant to removal of investment projects under concession agreement. + References No definition available. + Details
Name: | caap_ConcessionAgreementRemovalOfInvestmentProject
Namespace Prefix: | caap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Represents an extension period of concession agreement. + References No definition available. + Details
Name: | caap_ConcesssionAgreementExtensionPeriod
Namespace Prefix: | caap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of guarantee for securing the completion of the construction works. + References No definition available. + Details
Name: | caap_ConstructionCompletionGuarantee
Namespace Prefix: | caap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Represents the amount related to investment commitments. + References No definition available. + Details
Name: | caap_InvestmentCommitments
Namespace Prefix: | caap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition This element represents minimum coverage amount. + References No definition available. + Details
Name: | caap_MinimumCoverageAmount
Namespace Prefix: | caap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Represents the number of passengers to determine additional fees. + References No definition available. + Details
Name: | caap_NumberOfPassengersToDetermineAdditionalFees
Namespace Prefix: | caap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the number of regional airports. + References No definition available. + Details
Name: | caap_NumberOfRegionalAirports
Namespace Prefix: | caap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the amount associated to performance guarantee. + References No definition available. + Details
Name: | caap_PerformanceGuarantee
Namespace Prefix: | caap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Represents the period for performance guarantee returned after expiration of concession agreement. + References No definition available. + Details
Name: | caap_PeriodForPerformanceGuaranteeReturnedAfterExpirationOfConcessionAgreement
Namespace Prefix: | caap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the period to incur additional capital expenditures. + References No definition available. + Details
Name: | caap_PeriodToIncurAdditionalCapitalExpenditures
Namespace Prefix: | caap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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

X
- Details
Name: | caap_ConcessionAgreementAxis=caap_CarrascoInternationalAirportAndNewAirportsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=caap_PuertaDelSurS.aMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=ifrs-full_LaterThanTwoYearsAndNotLaterThanThreeYearsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=ifrs-full_LaterThanThreeYearsAndNotLaterThanFourYearsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=caap_LaterThanFiveYearsAndNotLaterThanSixYearsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | caap_ConcessionAgreementAxis=caap_PuntaDelEsteConcessionAgreementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_GeographicalAreasAxis=caap_TerminalDeCargasDeUruguaySaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | caap_ConcessionAgreementAxis=caap_PuertaDelSurConcessionAgreementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |