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EQUITY AND REMUNERATION TO SHAREHOLDERS (Details 7) - BRL (R$) R$ / shares in Units, R$ in Millions | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Calculation of minimum dividends required by the by-laws for the preferred shares |  |  |
Nominal value of the preferred shares | R$ 7,328 | R$ 5,637 | R$ 5,055
Preferred shares | R$ 7,328 | R$ 5,637 | R$ 5,055
Percentage applied to the nominal value of the preferred shares | 10.00% | 10.00% | 10.00%
Amount of the dividends by the first payment criterion | R$ 733 | R$ 564 | R$ 506
Equity | R$ 21,777 | R$ 19,457 | R$ 17,473
Preferred shares as a percentage of Equity (net of shares held in Treasury) | 66.56% | 66.56% | 66.56%
Portion of Equity represented by the preferred shares | R$ 14,495 | R$ 12,950 | R$ 11,630
Percentage applied to the portion of Equity | 3.00% | 3.00% | 3.00%
Amount of the dividends by the second payment criterion | R$ 435 | R$ 389 | R$ 349
Minimum dividends required by the by-laws for the preferred shares | 733 | 564 | 506
Mandatory dividend |  |  |
Net income for the year | R$ 4,092 | R$ 3,751 | R$ 2,864
Mandatory dividend percentage | 50.00% | 50.00% | 50.00%
Mandatory dividends - 50% of Net income | R$ 2,046 | R$ 1,876 | R$ 1,432
Unrealized earnings reserve | (835) | (835) | (835)
Reversal of the unrealized earnings reserve of 2019 | 835 | 835 | 835
Withholding income tax on Interest on equity | 186 | 91 | 50
Minimum Dividend under the by-laws including income tax on interest on equity | 2,232 | 1,967 | 1,482
Dividends recorded, as specified in the by-laws |  |  |
Interest on Equity | 1,983 | 956 | 553
Ordinary dividends | 249 | 1,011 | 929
Total dividends for the preferred shares | 1,486 | 1,309 | 986
Total dividends for the common shares | R$ 747 | R$ 658 | R$ 496
Unit value of dividends - R$ |  |  |
Minimum dividends required by the by-laws for the preferred shares | R$ 0.50 | R$ 0.50 | R$ 0.50
Mandatory dividends (including withholding income tax on Interest on Equity) | 1.01 | 1.16 | 0.99
Dividends proposed: Common (ON) shares | 1.01 | 1.16 | 0.99
Dividends proposed: Preferred (PN) shares | R$ 1.01 | R$ 1.16 | R$ 0.99

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