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Provisions for employees' benefits - Actuarial assumptions (Details) | Dec. 31, 2024 | Dec. 31, 2023
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Pension | Top of range |  |
Disclosure of detailed information about provision for employee benefits |  |
Discount rate | 10.90% | 11.70%
Salary growth rate | 3.00% | 4.50%
Expected inflation rate | 4.00% | 4.50%
Pension growth rate | 3.30% | 5.00%
Pension | Bottom of range |  |
Disclosure of detailed information about provision for employee benefits |  |
Discount rate | 6.85% | 7.50%
Salary growth rate | 2.00% | 3.50%
Expected inflation rate | 3.00% | 3.00%
Pension growth rate | 3.00% | 3.00%
Bonds |  |
Disclosure of detailed information about provision for employee benefits |  |
Discount rate | 8.75% | 7.25%
Expected inflation rate | 3.00% | 3.00%
Health |  |
Disclosure of detailed information about provision for employee benefits |  |
Expected inflation rate | 3.00% | 3.00%
Short-term rate | 13.50% | 12.80%
Long-term rate | 4.00% | 4.00%
Health | Top of range |  |
Disclosure of detailed information about provision for employee benefits |  |
Discount rate | 11.20% | 12.00%
Salary growth rate | 4.00% | 4.50%
Health | Bottom of range |  |
Disclosure of detailed information about provision for employee benefits |  |
Discount rate | 8.75% | 11.00%
Salary growth rate | 3.00% | 3.50%
Education |  |
Disclosure of detailed information about provision for employee benefits |  |
Expected inflation rate | 3.00% | 3.00%
Short-term rate | 4.00% | 4.00%
Long-term rate | 4.00% | 4.00%
Education | Top of range |  |
Disclosure of detailed information about provision for employee benefits |  |
Discount rate | 11.00% | 12.00%
Education | Bottom of range |  |
Disclosure of detailed information about provision for employee benefits |  |
Discount rate | 9.00% | 11.00%
Others |  |
Disclosure of detailed information about provision for employee benefits |  |
Expected inflation rate | 3.00% |
Others | Top of range |  |
Disclosure of detailed information about provision for employee benefits |  |
Discount rate | 11.60% | 12.00%
Salary growth rate | 5.00% | 4.61%
Expected inflation rate |  | 3.50%
Others | Bottom of range |  |
Disclosure of detailed information about provision for employee benefits |  |
Discount rate | 5.70% | 7.40%
Salary growth rate | 4.00% | 3.50%
Expected inflation rate |  | 3.00%

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- Definition The long term rate used as the significant actuarial assumption to determine the present value of a defined benefit obligation. + References No definition available. + Details
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- Definition The short term rate used as the significant actuarial assumption to determine the present value of a defined benefit obligation. + References No definition available. + Details
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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 inflation that is 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 expected rate of increases in pension that is 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 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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