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Income and Social Contribution Taxes - Schedule of Reconciliation of Income Tax and Social Contribution Tax Effective Rate (Details) - BRL (R$) R$ in Millions | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Income And Social Contribution Taxes |  |  |
Profit before income tax and social contribution tax | R$ 9,358 | R$ 6,851 | R$ 4,121
Income tax and social contribution tax - nominal expense (34%) | (3,182) | (2,329) | (1,401)
Tax effects applicable to: |  |  |
Gain in subsidiaries by equity method | 66 | 93 | 182
Tax incentives | 166 | 89 | 62
Effects from subsidiaries taxed based on gross revenues | 95 | 92 | 97
Non-deductible penalties | (78) | (95) | (45)
Interest on own capital | 629 | 950 | 722
Estimated losses on doubtful accounts receivable from related parties |  |  | (234)
Realization of goodwill |  |  | 108
Monetary update on tax overpayments | 29 | 101 |
Others | 36 | 15 | 15
Income tax expense | (2,239) | (1,084) | (26)
Current tax | (1,495) | (943) | (950)
Deferred tax | (744) | (141) | 924
Income tax and social contribution tax | R$ (2,239) | R$ (1,084) | R$ (26)
Effective rate | 23.93% | 15.82% | 0.63%

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