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v3.22.1

Schedule of actuarial evaluation (Details) - BRL (R$) R$ in Thousands | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | --- | ---
IfrsStatementLineItems [Line Items] |  |  |
Total liabilities or partially covered | R$ 10,973,812 | R$ 11,820,184 |
Fair value of the plan assets | (10,343,368) | (11,420,196) |
Plan coverage status | 630,444 | 399,988 |
Unrecognized asset | 663,765 | 1,092,501 |
Total | 1,294,209 | 1,492,489 |
Unified Plan [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Total liabilities or partially covered | 6,145,601 | 6,760,824 | R$ 6,638,462
Fair value of the plan assets | (6,799,255) |  |
Plan coverage status | (653,654) |  |
Unrecognized asset | 653,654 |  |
Total |  |  |
Plan I I I [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Total liabilities or partially covered | 3,337,093 | 3,344,723 | 3,046,536
Fair value of the plan assets | (3,347,204) |  |
Plan coverage status | (10,111) |  |
Unrecognized asset | 10,111 |  |
Total |  |  |
Assistance Plan [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Total liabilities or partially covered | 1,491,118 | R$ 1,714,637 | R$ 1,389,610
Fair value of the plan assets | (196,909) |  |
Plan coverage status | 1,294,209 |  |
Unrecognized asset |  |  |
Total | R$ 1,294,209 |  |

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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 [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 19 -IssueDate 2021-01-01 -Paragraph 140 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2021-en-r&anchor=para_140_a&doctype=Standard -URIDate 2021-03-24 + Details
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