Taxes - Schedule of Breakdown of Income Tax and Social Contribution Expense (Details) - BRL (R$) R$ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Taxes [Abstract] | |||
| Income / (loss) before income tax and social contribution | R$ 50,250 | R$ 47,556 | R$ 39,700 |
| Charges (income tax and social contribution) at the rates in effect | (22,613) | (21,401) | (17,865) |
| Increase / decrease in income tax and social contribution charges arising from: | |||
| Share of profit or (loss) of associates and joint ventures | 1,809 | 1,478 | 1,168 |
| Interest on capital | 7,626 | 5,559 | 5,419 |
| Other nondeductible expenses net of non taxable income | 2,483 | 4,931 | 2,593 |
| Income tax and social contribution expenses | (10,695) | (9,433) | (8,685) |
| Related to temporary differences | |||
| Increase / (reversal) for the period | 6,294 | 4,005 | 2,862 |
| (Expenses) / income from deferred taxes | 6,294 | 4,005 | 2,862 |
| Total income tax and social contribution expenses | R$ (4,401) | R$ (5,428) | R$ (5,823) |