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Net defined benefit assets (liability) - Additional Information (Detail) $ in Millions	12 Months Ended
	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

X

- Definition

Net Defined Benefit Liability, Number of Weeks Salary Per Years of Service

+ References

No definition available.

+ Details

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Namespace Prefix:	cpa_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Net Defined Benefit Plan Liability, Average of Monthly Base Salary, Number of Years

+ References

No definition available.

+ Details

Name:	cpa_NetDefinedBenefitPlanLiabilityAverageOfMonthlyBaseSalaryNumberOfYears
Namespace Prefix:	cpa_
Data Type:	xbrli:durationItemType
Balance Type:	na
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

- 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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Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- 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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Period Type:	duration

X

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: