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26. EQUITY AND REMUNERATION TO SHAREHOLDERS (Details 5)
R$ in Millions
Dec. 31, 2020
BRL (R$)
Disclosure of reserves within equity [line items]  
Dividends withheld, arising from the net income R$ 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