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Employee benefits - Actuarial Assumptions (Details) | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Employee benefits [Line Items] |  |  |
Actuarial assumption of discount rates | 5.32% | 5.12% | 5.67%
Actuarial assumption of inflation rate | 3.00% | 3.41% | 3.20%
Voluntary retirement rate: |  |  |
Salary increase | 4.01% | 3.00% | 3.00%
Men |  |  |
Voluntary retirement rate: |  |  |
Actuarial assumption voluntary retirement rate | 3.82% | 6.49% | 6.49%
Retirement age: |  |  |
Actuarial assumption of retirement age (in years) | 65 years | 65 years | 65 years
Women |  |  |
Voluntary retirement rate: |  |  |
Actuarial assumption voluntary retirement rate | 3.82% | 6.49% | 6.49%
Retirement age: |  |  |
Actuarial assumption of retirement age (in years) | 60 years | 60 years | 60 years

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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 [member]] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 19 -IssueDate 2023-01-01 -Paragraph 144 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2023-en-r&anchor=para_144&doctype=Standard -URIDate 2023-03-23 + 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 [member]; Defined benefit obligation, at present value; Actuarial assumptions [member]] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 19 -IssueDate 2023-01-01 -Paragraph 144 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2023-en-r&anchor=para_144&doctype=Standard -URIDate 2023-03-23 + 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 [member]; Defined benefit obligation, at present value; Actuarial assumptions [member]] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 19 -IssueDate 2023-01-01 -Paragraph 144 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2023-en-r&anchor=para_144&doctype=Standard -URIDate 2023-03-23 + 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 [member]] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 19 -IssueDate 2023-01-01 -Paragraph 144 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2023-en-r&anchor=para_144&doctype=Standard -URIDate 2023-03-23 + Details
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- Definition The expected voluntary retirement rate. + References No definition available. + Details
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- Definition Employee benefits [Line Items] + References No definition available. + Details
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- Definition Voluntary retirement rate [Abstract] + References No definition available. + Details
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- Details
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- Details
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