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26. POST-EMPLOYMENT OBLIGATIONS (Details 7) | 12 Months Ended
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Dec. 31, 2019
Pension And Retirement Supplement Plans Plan A [Member] |
Disclosure of defined benefit plans [line items] |
Average periods of maturity of the obligations under the benefit plans | 9 years 6 months 14 days
Pension And Retirement Supplement Plans Plan B [Member] |
Disclosure of defined benefit plans [line items] |
Average periods of maturity of the obligations under the benefit plans | 11 years 6 months 18 days
Health Plan [Member] |
Disclosure of defined benefit plans [line items] |
Average periods of maturity of the obligations under the benefit plans | 12 years 9 months 25 days
Dental Plan [Member] |
Disclosure of defined benefit plans [line items] |
Average periods of maturity of the obligations under the benefit plans | 13 years 2 months 1 day
Life Insurance Plan [Member] |
Disclosure of defined benefit plans [line items] |
Average periods of maturity of the obligations under the benefit plans | 16 years 11 months 5 days

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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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- Details
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- Details
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