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26. EQUITY AND REMUNERATION TO SHAREHOLDERS (Details 5) R$ in Millions | Dec. 31, 2020 BRL (R$)
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Disclosure of reserves within equity [line items] |
Dividends withheld, arising from the net income | R$ 1,420
Dividends Withheld, Arising From The Profit For 2015 [member] |
Disclosure of reserves within equity [line items] |
Dividends withheld, arising from the net income | 623
Dividends Withheld, Arising From The Profit For 2014 [member] |
Disclosure of reserves within equity [line items] |
Dividends withheld, arising from the net income | R$ 797

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