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v3.24.1.1.u2

Deferred taxes and contributions (Details) - BRL (R$) R$ in Thousands | Mar. 31, 2024 | Dec. 31, 2023 | Mar. 31, 2023 | Dec. 31, 2022
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IfrsStatementLineItems [Line Items] |  |  |  |
Total deferred tax assets | R$ 1,423,140 | R$ 1,411,788 | R$ 1,117,998 | R$ 1,119,259
Total deferred tax liabilities | (1,307,855) | (1,313,712) | (1,309,521) | (1,308,537)
Deferred tax assets (liabilities), net | 115,285 | 98,076 | (191,523) | (189,278)
Tax Provision [Member] |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |
Total deferred tax assets | 678,996 | 666,131 |  |
Pension Obligations G 1 [Member] |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |
Total deferred tax assets | 132,543 | 135,231 | 136,832 | 141,606
Donations [Member] |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |
Total deferred tax assets | 44,594 | 45,140 | 45,800 | 46,088
Allowance For Doubtful Accounts [Member] |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |
Total deferred tax assets | 190,726 | 182,519 | 192,670 | 199,363
Deferred Taxes Other [Member] |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |
Total deferred tax assets | 376,281 | 382,767 | 169,577 | 171,798
Temporary differences [member] |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |
Total deferred tax liabilities | (325,461) | (329,060) | (350,319) | (353,817)
Capitalization Borrowing Costs [Member] |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |
Total deferred tax liabilities | (466,374) | (465,510) | (465,454) | (457,669)
Profit On Supply Government Entities [Member] |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |
Total deferred tax liabilities | (347,379) | (348,514) | (345,260) | (346,650)
Actuarial Gain Loss G 1 [Member] |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |
Total deferred tax liabilities | (121,425) | (121,425) | (93,561) | (93,561)
Construction Margin [Member] |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |
Total deferred tax liabilities | (39,893) | (40,579) | (42,637) | (43,323)
Borrowing Costs [Member] |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |
Total deferred tax liabilities | R$ (7,323) | R$ (8,624) | R$ (12,290) | R$ (13,517)

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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]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 12 -IssueDate 2023-01-01 -Paragraph 81 -Subparagraph g -Clause i -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2023-en-r&anchor=para_81_g_i&doctype=Standard -URIDate 2023-03-23 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2023-01-01 -Paragraph 54 -Subparagraph o -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_54_o&doctype=Standard -URIDate 2023-03-23 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2023-01-01 -Paragraph 56 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_56&doctype=Standard -URIDate 2023-03-23 + Details
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- Definition The amounts of income taxes payable in future periods in respect of taxable temporary differences. [Refer: Temporary differences [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 12 -IssueDate 2023-01-01 -Paragraph 81 -Subparagraph g -Clause i -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2023-en-r&anchor=para_81_g_i&doctype=Standard -URIDate 2023-03-23 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2023-01-01 -Paragraph 54 -Subparagraph o -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_54_o&doctype=Standard -URIDate 2023-03-23 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2023-01-01 -Paragraph 56 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_56&doctype=Standard -URIDate 2023-03-23 + Details
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