Tax assets and liabilities (Details 4) - BRL (R$) R$ in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
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| Notes and other explanatory information [abstract] | ||
| Deferred Tax Assets | R$ 50,854,830 | R$ 48,223,877 |
| Temporary differences | 45,562,986 | 42,737,528 |
| Tax loss | 5,291,844 | 5,486,349 |
| Total deferred tax assets | 50,854,830 | 48,223,877 |
| Deferred tax liabilities | 4,589,099 | 5,689,440 |
| Excess depreciation of leased assets | 414,762 | 394,257 |
| Fair value adjustment of trading securities and derivatives | 4,174,337 | 5,295,183 |
| Total deferred tax liabilities | R$ 4,589,099 | R$ 5,689,440 |
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- Definition Adjustments for gains (losses) on changes in the fair value of derivatives to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: At fair value [member]; Derivatives [member]; Profit (loss)] Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition The amounts of income taxes recoverable in future periods in respect of: (a) deductible temporary differences; (b) the carryforward of unused tax losses; and (c) the carryforward of unused tax credits. [Refer: Temporary differences [member]; Unused tax credits [member]; Unused tax losses [member]] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The amounts of income taxes payable in future periods in respect of taxable temporary differences. [Refer: Temporary differences [member]] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The amount of deferred tax liabilities or assets. [Refer: Deferred tax liabilities; Deferred tax assets] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The amount of deferred tax assets net of deferred tax liabilities, when the absolute amount of deferred tax assets is greater than the absolute amount of deferred tax liabilities. [Refer: Deferred tax assets; Deferred tax liabilities] Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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