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Post-employment Benefits (Details 6) - BRL (R$) R$ in Thousands | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | --- | ---
IfrsStatementLineItems [Line Items] |  |  |
Total liabilities or partially covered | R$ 10,721,838 | R$ 10,973,812 |
Fair value of the plan assets | (10,323,018) | (10,343,368) |
Plan coverage status | 398,820 | 630,444 |
Unrecognized asset | 670,268 | 663,765 |
Total | 1,069,088 | 1,294,209 |
Unified Plan [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Total liabilities or partially covered | 6,029,530 | 6,145,601 | R$ 6,760,824
Fair value of the plan assets | (6,625,377) |  |
Plan coverage status | (595,847) |  |
Unrecognized asset | 595,847 |  |
Total |  |  |
Plan I I I [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Total liabilities or partially covered | 3,457,537 | 3,337,093 | 3,344,723
Fair value of the plan assets | (3,531,958) |  |
Plan coverage status | (74,421) |  |
Unrecognized asset | 74,421 |  |
Total |  |  |
Assistance Plan [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Total liabilities or partially covered | 1,234,771 | R$ 1,491,118 | R$ 1,714,637
Fair value of the plan assets | (165,683) |  |
Plan coverage status | 1,069,088 |  |
Unrecognized asset |  |  |
Total | R$ 1,069,088 |  |

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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 2022-03-24 -Paragraph 140 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2022-en-r&anchor=para_140_a&doctype=Standard -URIDate 2022-03-24 + Details
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