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Debt instruments (Details) - BRL (R$) R$ in Thousands | Dec. 31, 2025 | Dec. 31, 2024
--- | --- | ---
Notes and other explanatory information [abstract] |  |
Financial Assets Measured at Fair Value Through Profit or Loss | R$ 95,546,026 | R$ 107,585,055
Financial Assets Measured at Fair Value through Other Comprehensive Income | 69,354,220 | 92,058,907
Financial Assets Measured at Amortized Cost (2) | 114,708,615 | 84,529,222
Comprising: |  |
Debt instruments at Amortized Cost | 117,910,438 | 86,598,778
Provision for impairment losses (note 9.c) | (3,201,823) | (2,069,556)
Total | 279,608,861 | 284,173,184
Type: |  |
Government securities - Brazil (1) | 182,217,619 | 190,643,118
Debentures and promissory notes | 52,868,779 | 70,450,135
Other debt securities | 44,522,463 | 23,079,931
Other |  |
Total | R$ 279,608,861 | R$ 284,173,184

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- Definition The amount of instruments representing indebtedness, including instruments called debt securities, held by the entity. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 55 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_55&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition The amount of notes and debentures issued by the entity. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 112 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_112_c&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition The amount of debt instruments, including instruments called debt securities, held by the entity that it does not separately disclose in the same statement or note. [Refer: Debt instruments held] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 112 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_112_c&doctype=Standard -URIDate 2024-03-27 + Details
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