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POST-EMPLOYMENT BENEFITS - Principal Actuarial Assumptions (Details) | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Defined benefit obligation |  |
Discount rate | 3.30% | 2.70%
Pension expense |  |
Discount rate | 2.70% | 3.20%
Minimum |  |
Defined benefit obligation |  |
Rate of compensation increase | 1.00% | 1.00%
Pension expense |  |
Rate of compensation increase | 1.00% | 1.00%
Maximum |  |
Defined benefit obligation |  |
Rate of compensation increase | 4.50% | 4.50%
Pension expense |  |
Rate of compensation increase | 4.50% | 4.50%

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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 [member]] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 19 -IssueDate 2021-01-01 -Paragraph 144 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2021-en-r&anchor=para_144&doctype=Standard -URIDate 2021-03-24 + 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 2021-01-01 -Paragraph 144 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2021-en-r&anchor=para_144&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition Actuarial Assumption Of Defined Benefit Obligations [Abstract] + References No definition available. + Details
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- Definition Actuarial Assumption Of Expected Rates Of Salary Increases, Defined Benefit Plan Expense + References No definition available. + Details
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