Fair value of financial assets and liabilities (Details 1) - BRL (R$)
R$ in Thousands |
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
| At fair value [member] |
|
|
|
|
| IfrsStatementLineItems [Line Items] |
|
|
|
|
| Financial Assets Measured At Fair Value Through Profit Or Loss |
R$ 3,313,957
|
R$ 7,123,218
|
R$ 6,568,685
|
R$ 3,652,114
|
| Financial Assets Measured At Fair Value Through Other Comprehensive Income |
4,001,938
|
3,438,024
|
2,610,638
|
1,503,441
|
| Financial Assets Measured At Fair Value Through Profit Or Loss Held For Trading |
1,926,147
|
509,368
|
914,261
|
R$ 233,762
|
| Gains Losses Realized Not Realized [Member] |
|
|
|
|
| IfrsStatementLineItems [Line Items] |
|
|
|
|
| Financial Assets Measured At Fair Value Through Profit Or Loss |
(283,424)
|
(67,560)
|
(50,682)
|
|
| Financial Assets Measured At Fair Value Through Other Comprehensive Income |
130,982
|
(167,705)
|
30,764
|
|
| Financial Assets Measured At Fair Value Through Profit Or Loss Held For Trading |
127,254
|
(214,958)
|
(109,800)
|
|
| Transfers To Level 3 [Member] |
|
|
|
|
| IfrsStatementLineItems [Line Items] |
|
|
|
|
| Financial Assets Measured At Fair Value Through Profit Or Loss |
(1,798,299)
|
(4,276,225)
|
1,093,895
|
|
| Financial Assets Measured At Fair Value Through Other Comprehensive Income |
|
(98,568)
|
1,090,459
|
|
| Financial Assets Measured At Fair Value Through Profit Or Loss Held For Trading |
(421,435)
|
(189,987)
|
384,082
|
|
| Additions Low [Member] |
|
|
|
|
| IfrsStatementLineItems [Line Items] |
|
|
|
|
| Financial Assets Measured At Fair Value Through Profit Or Loss |
(1,727,538)
|
4,898,318
|
1,873,358
|
|
| Financial Assets Measured At Fair Value Through Other Comprehensive Income |
432,932
|
1,093,659
|
(14,026)
|
|
| Financial Assets Measured At Fair Value Through Profit Or Loss Held For Trading |
R$ 1,710,960
|
R$ 52
|
R$ 406,217
|
|