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28. EQUITY AND REMUNERATION TO SHAREHOLDERS (Details 8) - BRL (R$) R$ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Statement of changes in equity [abstract] |  |  |
Beginning balance | R$ 864 | R$ 428 |
Proposed dividends | 764 | 867 | R$ 500
Withholding income tax on interest on capital | (35) | (17) |
Dividends retained - Minas Gerais state government (Note 13) | (148) | 127 |
Dividends paid | (701) |  |
Proposed dividends of previous years |  | (42) |
Expired dividends |  | (8) |
Ending balance | R$ 744 | R$ 864 | R$ 428

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