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v3.26.1

Summary of significant accounting policies - Additional information (Details) - BRL (R$) | 1 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2020 | Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
Summary of Significant Accounting Policies [Line Items] |  |  |  |
Increased credit risk when contractual payments are past due |  | 30 days |  |
Combined tax rate in Brazil |  | 34.00% | 34.00% | 34.00%
Applicable surcharge tax rate |  | 10.00% |  |
Monthly minimum income for surcharge |  | R$ 20,000 |  |
Annual minimum income for surcharge |  | R$ 240,000 |  |
Social contribution tax on net income | 20.00% | 9.00% |  |
Loss carryforwards used to offset taxable profit |  | 30.00% |  |
PIS tax rate |  | 1.65% |  |
COFINS tax rate |  | 7.60% |  |
Rate applicable to companies under PPM PIS |  | 0.65% |  |
Rate applicable to companies under PPM COFINS |  | 3.00% |  |
360 days |  |  |  |
Summary of Significant Accounting Policies [Line Items] |  |  |  |
Period for write-off of Loans and Receivables |  | 360 days |  |
Stage 3 |  |  |  |
Summary of Significant Accounting Policies [Line Items] |  |  |  |
Provision of Expected credit loss on financial assets |  | 90 days |  |
Bottom of range |  |  |  |
Summary of Significant Accounting Policies [Line Items] |  |  |  |
Percentage of taxes reducing gross revenues |  | 2.00% |  |
Top of range |  |  |  |
Summary of Significant Accounting Policies [Line Items] |  |  |  |
Percentage of taxes reducing gross revenues |  | 5.00% |  |
Financial Institutions and Insurance Companies |  |  |  |
Summary of Significant Accounting Policies [Line Items] |  |  |  |
Social contribution tax on net income |  | 15.00% |  |
Rate applicable to companies under PPM PIS |  | 1.00% |  |
Rate applicable to companies under PPM COFINS |  | 4.00% |  |
Federal Income Tax |  |  |  |
Summary of Significant Accounting Policies [Line Items] |  |  |  |
Combined tax rate in Brazil |  | 15.00% |  |

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- Definition The applicable income tax rate. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 12 -IssueDate 2025-01-01 -Paragraph 81 -Subparagraph c -Clause ii -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2025-en-r&anchor=para_81_c_ii&doctype=Standard -URIDate 2025-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Note Effective 2027-01-01 -Name IFRS -Number 19 -IssueDate 2025-01-01 -Paragraph 194 -Subparagraph c -Clause ii -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_194_c_ii&doctype=Standard -URIDate 2025-03-27 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Note Effective 2027-01-01 -Name IFRS -Number 19 -IssueDate 2025-01-01 -Paragraph 194 -Subparagraph c -Clause ii -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_194_c_ii&doctype=Standard -URIDate 2025-03-27 + Details
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