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Net defined benefit assets (liability) - Additional Information (Detail) $ in Millions | 12 Months Ended
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Dec. 31, 2024 USD ($) wk | Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($)
Disclosure of net defined benefit asset (liability) [line items] |  |  |
Actuarial gain (loss) recognized in other comprehensive income | $ | $ (6.4) | $ 2.1 | $ 7.2
Duration of defined benefit plan obligation | 9 years 7 months 6 days |  |
Seniority Premium Plan |  |  |
Disclosure of net defined benefit asset (liability) [line items] |  |  |
Number of weeks salary per years of service | wk | 1 |  |
Average of monthly base salary, number of years | 5 years |  |

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- Definition Net Defined Benefit Liability, Number of Weeks Salary Per Years of Service + References No definition available. + Details
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Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

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- Definition Net Defined Benefit Plan Liability, Average of Monthly Base Salary, Number of Years + References No definition available. + Details
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Namespace Prefix: | cpa_
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Period Type: | instant

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- 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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- Definition The decrease (increase) in a net defined benefit liability (asset) resulting from the remeasurement of that net defined benefit liability (asset). [Refer: Net defined benefit liability (asset)] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 19 -IssueDate 2024-01-01 -Paragraph 141 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2024-en-r&anchor=para_141_c&doctype=Standard -URIDate 2024-03-27 + Details
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Balance Type: | debit
Period Type: | duration

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- Definition The weighted average duration of a defined benefit obligation. [Refer: Weighted average [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 19 -IssueDate 2024-01-01 -Paragraph 147 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2024-en-r&anchor=para_147_c&doctype=Standard -URIDate 2024-03-27 + Details
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- Details
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Balance Type: |
Period Type: |