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24. POST-EMPLOYMENT OBLIGATIONS (Details 7) | 12 Months Ended
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Dec. 31, 2020
Pension plans 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 | 11 years 6 months 29 days
Pension plans 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 | 12 years 9 months 22 days
Health plan [member] |
Disclosure of defined benefit plans [line items] |
Average periods of maturity of the obligations under the benefit plans | 13 years 9 months 18 days
Dental plan [member] |
Disclosure of defined benefit plans [line items] |
Average periods of maturity of the obligations under the benefit plans | 15 years 1 month 6 days
Life insurance plan [member] |
Disclosure of defined benefit plans [line items] |
Average periods of maturity of the obligations under the benefit plans | 18 years 7 months 28 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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- Details
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