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Schedule of reconciliation of statutory on income and social contribution Ttxes (Details) - BRL (R$) R$ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020
Income And Social Contribution Taxes |  |
Profit before income tax and social contribution tax | R$ 4,699 | R$ 3,800
Income tax and social contribution tax — nominal expense (34%) | R$ (1,597) | (1,292)
Income tax and Social Contribution tax rate | 34.00% |
Tax effects applicable to: |  |
Gain in subsidiaries by equity method | R$ 6 | 93
Interest on Equity | 325 | 188
Tax incentives | 63 | 39
Effects from subsidiaries taxed based on gross revenues | 146 | 97
Non-deductible penalties | (23) | (25)
Impairment of accounts receivable from related parties |  | (13)
Income arising from the Light sale | 154 |
Others | (20) | (23)
Income tax and social contribution tax — effective expense | (946) | (936)
Current tax | (1,156) | (684)
Deferred tax | R$ 210 | R$ (252)
Effective rate | 20.12% | 24.62%

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