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v3.20.1

23 Post-employment benefits (Details 12) | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019
Disclosure of defined benefit plans [line items] |  |
Asset allocation | 100.00% | 100.00%
Fixed Income [Member] |  |
Disclosure of defined benefit plans [line items] |  |
Asset allocation | 70.40% | 82.20%
Variable Income [Member] |  |
Disclosure of defined benefit plans [line items] |  |
Asset allocation | 9.10% | 7.80%
Loans [Member] |  |
Disclosure of defined benefit plans [line items] |  |
Asset allocation | 1.60% | 1.60%
Real Estate [Member] |  |
Disclosure of defined benefit plans [line items] |  |
Asset allocation | 7.20% | 1.40%
Investment Structuring [Member] |  |
Disclosure of defined benefit plans [line items] |  |
Asset allocation | 8.90% | 7.10%
Investments Abroad [Member] |  |
Disclosure of defined benefit plans [line items] |  |
Asset allocation | 2.80% | 0.00%

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