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v3.25.4

Prepaid expenses - Additional Information (Detail) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2025 | Dec. 31, 2024
Prepayments [Abstract] |  |
Tax advance of VAT and withholdings taxes | $ 9.9 | $ 11.1
Tax credits | $ 2.3 | $ 8.2

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- Definition Prepayments + References No definition available. + Details
Name: | cpa_PrepaymentsAbstract
Namespace Prefix: | cpa_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Tax advance of VAT and withholdings taxes. + References No definition available. + Details
Name: | cpa_TaxAdvanceOfVATAndWithholdingsTaxes
Namespace Prefix: | cpa_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Tax credits. + References No definition available. + Details
Name: | cpa_TaxCredits
Namespace Prefix: | cpa_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration