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Net defined benefit assets (liabilities) - Summary of Sensitivity Analysis for Actuarial Assumptions (Detail)	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Disclosure of sensitivity analysis for actuarial assumptions [line items]
Actuarial assumption rate	0.50%	0.50%	0.50%
Discount rate
Disclosure of sensitivity analysis for actuarial assumptions [line items]
Actuarial assumption rate	4.80%	5.00%	6.70%
Compensation - salary increase
Disclosure of sensitivity analysis for actuarial assumptions [line items]
Actuarial assumption rate	4.00%	4.00%	4.00%
Mortality
Disclosure of sensitivity analysis for actuarial assumptions [line items]
Demographic assumptions, Mortality	Panama experience	Panama experience	Panama experience
Termination
Disclosure of sensitivity analysis for actuarial assumptions [line items]
Demographic assumptions, Mortality	2003 SoA pension plan	2003 SoA pension plan	2003 SoA pension plan
Males
Disclosure of sensitivity analysis for actuarial assumptions [line items]
Retirement age	62 years	62 years	62 years
Females
Disclosure of sensitivity analysis for actuarial assumptions [line items]
Retirement age	57 years	57 years	57 years

X

- Definition

Ratio of reasonably possible increase in actuarial assumption.

+ References

No definition available.

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- Definition

The retirement age used as a significant actuarial assumption to determine the present value of a defined benefit obligation. [Refer: Defined benefit obligation, at present value; Actuarial assumptions [domain]]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
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-IssueDate 2025-01-01
-Paragraph 144
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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.

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- Definition

The reasonably possible percentage of the increase in the actuarial assumption used to determine the present value of defined benefit obligation. [Refer: Actuarial assumptions [domain]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
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-IssueDate 2025-01-01
-Paragraph 145
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-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2025-en-r&anchor=para_145_a&doctype=Standard
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