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Schedule of income and social contribution taxes recoverable (Details) - BRL (R$) R$ in Millions | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020
Income And Social Contribution Taxes |  |
Income tax | R$ 763 | R$ 698
Social contribution tax | 251 | 247
Income and social contribution tax credits | 1,014 | 945
Current | 699 | 598
Non-current | R$ 315 | R$ 347

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