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Schedule of actuarial employee benefit assets and liabilities (Details) - BRL (R$) R$ in Thousands | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | --- | --- | ---
IfrsStatementLineItems [Line Items] |  |  |  |
Actuarial assets | R$ (59,111) | R$ (13,819) |  |
Actuarial liabilities | 584,288 | 758,426 |  |
Defined benefit plans other than multi-employer plans, state plans and plans that share risks between entities under common control [member] |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |
Actuarial assets | (59,111) | (13,819) | R$ (13,714) |
Actuarial liabilities |  | 79,546 | 19,788 |
Post Employment Healthcare Benefits [Member] |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |
Actuarial liabilities | R$ 584,288 | R$ 678,880 | R$ 892,396 | R$ 897,137

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- Definition The amount of assets held by retirement benefit plans. [Refer: Defined benefit plans [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 26 -IssueDate 2021-01-01 -Paragraph 35 -Subparagraph a -Clause i -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=26&code=ifrs-tx-2021-en-r&anchor=para_35_a_i&doctype=Standard -URIDate 2021-03-24 + Details
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- Details
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- Details
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