Employee benefits plans - Roll-forward of actuarial liability (Details) - BRL (R$) R$ in Thousands |
6 Months Ended | |
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Jun. 30, 2026 |
Jun. 30, 2025 |
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| Disclosure of defined benefit plans [line items] | ||
| Opening Balance | R$ 741,143 | R$ 721,560 |
| Interest on actuarial liabilities | 39,305 | 77,348 |
| Current service cost | 1,118 | 1,939 |
| Actuarial gain – experience (1) | (13,340) | |
| Actuarial loss – financial assumptions (1) | 6,026 | |
| Benefits paid directly by entity | (28,182) | R$ (52,390) |
| Closing Balance | R$ 753,384 | |
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- References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table. No definition available.
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- Definition The decrease (increase) in a net defined benefit liability (asset) resulting from the remeasurement of that net defined benefit liability (asset). [Refer: Net defined benefit liability (asset)] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The amount of deficit or surplus in a defined benefit plan, adjusted for any effect of limiting a net defined benefit asset to the asset ceiling. [Refer: Defined benefit plans [domain]] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The decrease (increase) in the net defined benefit liability (asset) resulting from payments from the plan. [Refer: Net defined benefit liability (asset)] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Actuarial loss – experience No definition available.
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