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Retirement obligations - Disclosure of Assumptions Used to Measure Retirement Benefits (Details) | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023
Disclosure of defined benefit plans [table] |  |
Social security contribution rate | 47.00% | 45.00%
Discount rate | 3.56% | 3.30%
Staff turnover | 8.40% | 8.40%
Duration | 20 years | 20 years
Management |  |
Disclosure of defined benefit plans [table] |  |
Retirement assumptions | 66 years | 66 years
Non-management |  |
Disclosure of defined benefit plans [table] |  |
Retirement assumptions | 64 years | 64 years
Executive |  |
Disclosure of defined benefit plans [table] |  |
Salary increase rate (including inflation) | 4.00% | 4.00%
Non-executive |  |
Disclosure of defined benefit plans [table] |  |
Salary increase rate (including inflation) | 3.50% | 3.50%

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- Definition The discount rate used as the 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 -Number 19 -IssueDate 2024-01-01 -Paragraph 144 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2024-en-r&anchor=para_144&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition The expected rate of salary increases used as a significant actuarial assumption to determine the present value of a defined benefit obligation. [Refer: Defined benefit plans [domain]; Defined benefit obligation, at present value; Actuarial assumptions [domain]] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 19 -IssueDate 2024-01-01 -Paragraph 144 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2024-en-r&anchor=para_144&doctype=Standard -URIDate 2024-03-27 + Details
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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 -Number 19 -IssueDate 2024-01-01 -Paragraph 144 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2024-en-r&anchor=para_144&doctype=Standard -URIDate 2024-03-27 + Details
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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 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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- Definition Actuarial Assumption Of Expected Average Rates Of Staff Turnover + References No definition available. + Details
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- Definition Actuarial Assumption Of Social Security Contribution Rates + References No definition available. + Details
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- Details
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