Taxes, fees and contributions payable (Details Narrative) - BRL (R$) R$ in Millions |
12 Months Ended | |
|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
|
| IfrsStatementLineItems [Line Items] | ||
| Total value of obligation | R$ 4,320 | R$ 3,377 |
| Principal amount of obligation | 3,188 | 2,650 |
| Interest on arrears | 1,131 | 727 |
| JSCP [Member] | ||
| IfrsStatementLineItems [Line Items] | ||
| Interest on equity | R$ 62 | R$ 96 |