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v3.21.1

17 Borrowings and financing (Details 5) | 12 Months Ended
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Dec. 31, 2020
Adjusted EBITDA / adjusted financial expenses [member] |  |
Disclosure of detailed information about borrowings [line items] |  |
Restrictive ratios | Equal to or higher than 2.80 |
Adjusted net debt / adjusted EBITDA [member] |  |
Disclosure of detailed information about borrowings [line items] |  |
Restrictive ratios | Equal to or lower than 3.80 |
Adjusted total debt / adjusted EBITDA [member] |  |
Disclosure of detailed information about borrowings [line items] |  |
Restrictive ratios | Lower than 3.65 |
Other onerous debt / adjusted EBITDA [member] |  |
Disclosure of detailed information about borrowings [line items] |  |
Restrictive ratios | Equal to or lower than 1.30 | [1]
Adjusted current ratio [member] |  |
Disclosure of detailed information about borrowings [line items] |  |
Restrictive ratios | Higher than 1.00 |
EBITDA / paid financial expenses [member] |  |
Disclosure of detailed information about borrowings [line items] |  |
Restrictive ratios | Equal to or higher than 2.35 |
Net debt / adjusted EBITDA [member] |  |
Disclosure of detailed information about borrowings [line items] |  |
Restrictive ratios | Equal to or lower than 3.50 |
[1] | "Other Onerous Debts" correspond to the sum of pension obligations and health care plan, installment payment of tax debts and installment payment of debts with the electricity supplier.

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