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EMPLOYEE BENEFITS - Assumptions (Details)
Dec. 31, 2021
Dec. 31, 2020
Post-Employment benefits    
Disclosure of defined benefit plans [line items]    
Discount interest rate 7.15% 5.78%
Inflation rate 2.91% 2.94%
Salary growth rate 3.06% 3.25%
Pension growth rate 3.03% 3.03%
Long-Term Benefits    
Disclosure of defined benefit plans [line items]    
Discount interest rate 7.20% 4.78%
Inflation rate 3.00% 3.00%
Salary growth rate 3.40% 4.00%