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EMPLOYEE BENEFIT PLANS - Economic actuarial assumptions and biometric data (Details) - Defined benefit plan | 12 Months Ended
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Dec. 31, 2019 | Dec. 31, 2018
Employee benefits |  |
Retirement age | 65 years | 65 years
Family composition | 90.00% | 90.00%
Turnover | 1.00% | 1.00%
Permanency in the plan | 100.00% | 100.00%
Discount rate |  |
Employee benefits |  |
Discount rate | 3.56% | 4.91%
Medical cost growth rate |  |
Employee benefits |  |
Medical cost growth rate above basic inflation | 3.25% | 3.25%
Mortality |  |
Employee benefits |  |
Biometric table of general mortality | AT-2000 | AT-2000
Biometric table of mortality for disabled persons | IAPB 57 | IAPB 57
Economic inflation |  |
Employee benefits |  |
Economic inflation | 3.50% | 4.00%
0 to 24 years |  |
Employee benefits |  |
Aging factor | 1.50% | 1.50%
Age 25 to 54 years |  |
Employee benefits |  |
Aging factor | 2.50% | 2.50%
Age 55 to 79 years |  |
Employee benefits |  |
Aging factor | 4.50% | 4.50%
Above 80 years |  |
Employee benefits |  |
Aging factor | 2.50% | 2.50%

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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 2019-01-01 -Paragraph 144 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2019-en-r&anchor=para_144&doctype=Standard -URIDate 2019-03-27 + 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 [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 2019-01-01 -Paragraph 144 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2019-en-r&anchor=para_144&doctype=Standard -URIDate 2019-03-27 + Details
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- Definition Medical cost trend rate used as 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 2019-01-01 -Paragraph 144 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2019-en-r&anchor=para_144&doctype=Standard -URIDate 2019-03-27 + Details
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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. + References No definition available. + Details
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- Definition The description of the biometric table of general mortality that is used as a significant actuarial assumption to determine the present value of a defined benefit obligation. + References No definition available. + Details
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- Definition The description of the biometric table of general mortality for disabled persons that is used as a significant actuarial assumption to determine the present value of a defined benefit obligation. + References No definition available. + Details
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- Definition The percentage of adjustment based on a tiered aging factor that is used as a significant actuarial assumption to determine the present value of a defined benefit obligation. + References No definition available. + Details
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- Definition The percentage of permanency in the plan used as a significant actuarial assumption to determine the present value of a defined benefit obligation. + References No definition available. + Details
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- Definition The percentage of plan participants who are men married at least four years and are over 65 years old. + References No definition available. + Details
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- Definition The percentage of turnover that is used as a significant actuarial assumption to determine the present value of a defined benefit obligation. + References No definition available. + Details
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- Definition The retirement age that is used as a significant actuarial assumption to determine the present value of a defined benefit obligation. + References No definition available. + Details
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