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19. EMPLOYEES BENEFITS (Details 1) - Number | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019
FAF [Member] |  |
Disclosure of defined benefit plans [line items] |  |
Discount rate | 7.49% | 7.28%
Inflation rate | 3.25% | 3.80%
Wage growth rate | 3.49% | 4.47%
Number of active participants | 6,495 | 6,796
Number of beneficiary participants assisted | 7,206 | 6,834
FAF [Member] | Schedule of mortality [Member] |  |
Disclosure of defined benefit plans [line items] |  |
Schedule of mortality & disabled mortality | AT-2000 smoothed by 10% | AT-2000
FAF [Member] | Schedule of disabled mortality [Member] |  |
Disclosure of defined benefit plans [line items] |  |
Schedule of mortality & disabled mortality | CSO-58 | RRB-1983
Plans II [Member] |  |
Disclosure of defined benefit plans [line items] |  |
Discount rate | 7.25% | 7.02%
Inflation rate | 3.25% | 3.80%
Plans II [Member] | Schedule of mortality [Member] |  |
Disclosure of defined benefit plans [line items] |  |
Schedule of mortality & disabled mortality | AT-2000 smoothed by 10% | AT-2000
Plans II [Member] | Schedule of disabled mortality [Member] |  |
Disclosure of defined benefit plans [line items] |  |
Schedule of mortality & disabled mortality | CSO-58 | RRB-1983

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- Definition The number of active participants. + References No definition available. + Details
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- Definition The number of assisted beneficiary participants. + 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 [member]] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 19 -IssueDate 2020-01-01 -Paragraph 144 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2020-en-r&anchor=para_144&doctype=Standard -URIDate 2020-01-01 + 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 2020-01-01 -Paragraph 144 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2020-en-r&anchor=para_144&doctype=Standard -URIDate 2020-01-01 + 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 2020-01-01 -Paragraph 144 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2020-en-r&anchor=para_144&doctype=Standard -URIDate 2020-01-01 + Details
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- Definition The description of the methods and assumptions used when preparing a sensitivity analysis for significant actuarial assumptions. [Refer: Actuarial assumptions [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 19 -IssueDate 2020-01-01 -Paragraph 145 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2020-en-r&anchor=para_145_b&doctype=Standard -URIDate 2020-01-01 + 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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- Details
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- Details
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