Taxes, fees and contributions payable (Details) - BRL (R$) R$ in Thousands |
Dec. 31, 2025 |
Dec. 31, 2024 |
|---|---|---|
| IfrsStatementLineItems [Line Items] | ||
| Taxes, fees and contributions payable | R$ 4,888,759 | R$ 3,926,854 |
| Current portion | (4,855,551) | (3,888,568) |
| Non-current portion | 33,208 | 38,286 |
| Imposto Sobre Circulacao De Mercadorias Servicos [Member] | ||
| IfrsStatementLineItems [Line Items] | ||
| Taxes, fees and contributions payable | 328,376 | 279,776 |
| Agencia Nacionl De Telecomunicacoes Taxes And Fees [Member] | ||
| IfrsStatementLineItems [Line Items] | ||
| Taxes, fees and contributions payable | 4,347,216 | 3,389,167 |
| Imposto Sobre Service [Member] | ||
| IfrsStatementLineItems [Line Items] | ||
| Taxes, fees and contributions payable | 62,174 | 72,274 |
| PIS/COFINS [Member] | ||
| IfrsStatementLineItems [Line Items] | ||
| Taxes, fees and contributions payable | 54,430 | 51,294 |
| Other [Member] | ||
| IfrsStatementLineItems [Line Items] | ||
| Taxes, fees and contributions payable | R$ 96,563 | R$ 134,343 |