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INCOME AND SOCIAL CONTRIBUTION TAXES (Details 5) - BRL (R$) R$ in Millions | 1 Months Ended | 12 Months Ended
--- | --- | ---
May 27, 2023 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Income And Social Contribution Taxes |  |  |  |
Income before income tax and social contribution tax |  | R$ 4,121 | R$ 4,699 |
Income tax and social contribution tax - nominal expense (34%) |  | (1,401) | (1,597) |
Tax effects applicable to: |  |  |  |
Gain in subsidiaries by equity method (net of effects of Interest on Equity) |  | 182 | 6 |
Tax incentives |  | 62 | 63 |
Difference between Presumed Income and Real Income |  | 97 | 146 |
Non-deductible penalties |  | (45) | (23) |
Interest on equity declared |  | 722 | 325 |
Estimated credit losses from related parties |  | 234 |  |
Realization of goodwill (Note 32) |  | 108 |  |
Income arising from the Light sale |  |  | 154 |
Others |  | 15 | (20) |
Income tax and Social Contribution - effective gain (expense) |  | (26) | (946) |
Current tax |  | (950) | (1,156) | R$ (684)
Deferred tax |  | 924 | 210 | R$ (252)
Income tax and social contribution tax - effective expense |  | R$ (26) | R$ (946) |
Effective rate | 8.80% | 0.63% | 20.12% |

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