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Regulatory charges - Schedule of Research Development and Innovation (Parenthetical) (Details) - BRL (R$) R$ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2022
Regulatory Charges |  |
Research and development expense | R$ 3 | R$ 6
Percentage Of Entitys Net perating Revenue | 1.00% |

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- Definition Disclosure Regulatory Charges Abstract + References No definition available. + Details
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- Definition The percentage of the entity's net operating revenue. + References No definition available. + Details
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- Definition The amount of expenditure directly attributable to research or development activities, recognised in profit or loss. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 38 -IssueDate 2024-01-01 -Paragraph 126 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=38&code=ifrs-tx-2024-en-r&anchor=para_126&doctype=Standard -URIDate 2024-03-27 + Details
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