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28. EQUITY AND REMUNERATION TO SHAREHOLDERS (Details 2) - BRL (R$) R$ / shares in Units, R$ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Earnings per share [line items] |  |  |
Net income for the year attributed to equity holders of the parent | R$ 2,904 | R$ 1,379 | R$ 1,002
Total earnings |  |  |
Net income for the year from continuing operations attributed to equity holders of the parent | 2,904 | 1,379 | 1,002
Preferred Shares [Member] |  |  |
Earnings per share [line items] |  |  |
Minimum mandatory dividend from net income for the year | 509 | 577 | 486
Net income for the year not distributed | 1,573 | 554 | 333
Total earnings | R$ 2,082 | R$ 1,131 | R$ 819
Basic and diluted earnings per share | R$ 2.14 | R$ 1.17 | R$ 0.84
Minimum mandatory dividend from net income for the year from continuing operations | R$ 509 | R$ 527 | R$ 486
Net income for the year from continuing operations not distributed | 1,424 | 390 | 333
Total earnings from continuing operations | R$ 1,933 | R$ 917 | R$ 819
Basic and diluted earnings from continuing operations per share | R$ 1.99 | R$ 0.95 | R$ 0.84
Common Shares [Member] |  |  |
Earnings per share [line items] |  |  |
Minimum mandatory dividend from net income for the year | R$ 255 | R$ 290 | R$ 15
Net income for the year not distributed | 790 | 279 | 167
Total earnings | R$ 1,045 | R$ 569 | R$ 182
Basic and diluted earnings per share | R$ 2.14 | R$ 1.17 | R$ 0.37
Minimum mandatory dividend from net income for the year from continuing operations | R$ 255 | R$ 290 | R$ 15
Net income for the year from continuing operations not distributed | 715 | 171 | 167
Total earnings from continuing operations | R$ 970 | R$ 461 | R$ 182
Basic and diluted earnings from continuing operations per share | R$ 1.99 | R$ 0.95 | R$ 0.37

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