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v3.25.1

Deferred taxes and contributions (Details 2) - BRL (R$) R$ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
IfrsStatementLineItems [Line Items] |  |  |
Deferred income tax assets, beginning | R$ 1,411,788 | R$ 1,119,259 | R$ 1,012,595
Deferred tax asset, changes | 311,465 | 292,529 | 106,664
Deferred income tax assets, ending | 1,723,253 | 1,411,788 | 1,119,259
Deferred income tax liabilities, beginning | (1,313,712) | (1,308,537) | (1,296,334)
Deferred tax liabilities, changes | (3,071,432) | (5,175) | (12,203)
Deferred income tax liabilities, ending | (4,385,144) | (1,313,712) | (1,308,537)
Opening balance | 98,076 | (189,278) | (283,739)
Deferred tax assets, net, changes | (2,759,967) | 287,354 | 94,461
Closing balance | (2,661,891) | 98,076 | (189,278)
- corresponding entry to the income statement | (2,756,296) | 315,218 | 78,751
- corresponding entry to valuation adjustments to equity (Note 22) | (3,671) | (27,864) | 15,710
Total net change | (2,759,967) | 287,354 | 94,461
Tax Provisions [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Deferred income tax assets, beginning | 666,131 | 560,404 | 503,374
Deferred tax asset, changes | 173,733 | 105,727 | 57,030
Deferred income tax assets, ending | 839,864 | 666,131 | 560,404
Pension Obligations - G1 [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Deferred income tax assets, beginning | 135,231 | 141,606 | 150,577
Deferred tax asset, changes | (10,033) | (6,375) | (8,971)
Deferred income tax assets, ending | 125,198 | 135,231 | 141,606
Donations [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Deferred income tax assets, beginning | 45,140 | 46,088 | 47,589
Deferred tax asset, changes | (1,819) | (948) | (1,501)
Deferred income tax assets, ending | 43,321 | 45,140 | 46,088
Credit Losses [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Deferred income tax assets, beginning | 182,519 | 199,363 | 183,963
Deferred tax asset, changes | (5,248) | (16,844) | 15,400
Deferred income tax assets, ending | 177,271 | 182,519 | 199,363
Estimated Losses With Other Accounts Receivable [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Deferred income tax assets, beginning | 54,905 | 47,629 | 36,876
Deferred tax asset, changes | (4,390) | 7,276 | 10,753
Deferred income tax assets, ending | 50,515 | 54,905 | 47,629
Estimated Losses With Inventory Losses [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Deferred income tax assets, beginning | 74,939 | 63,718 | 57,197
Deferred tax asset, changes | 52,901 | 11,221 | 6,521
Deferred income tax assets, ending | 127,840 | 74,939 | 63,718
Estimated Losses With Works And Projects [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Deferred income tax assets, beginning | 1,839 | 1,839 | 1,334
Deferred tax asset, changes | 55,767 |  | 505
Deferred income tax assets, ending | 57,606 | 1,839 | 1,839
Estimated Losses With The Writeoff Of Assets [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Deferred income tax assets, beginning | 8,930 | 8,930 | 14,018
Deferred tax asset, changes | 33,882 |  | (5,088)
Deferred income tax assets, ending | 42,812 | 8,930 | 8,930
Performance Agreements [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Deferred income tax assets, beginning | 62,517 |  |
Deferred tax asset, changes | 12,153 | 62,517 |
Deferred income tax assets, ending | 74,670 | 62,517 |
PVA - Accounts Receivable [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Deferred income tax assets, beginning | 102,216 | 95,626 | 35,821
Deferred tax asset, changes | (1,303) | 6,590 | 59,805
Deferred income tax assets, ending | 100,913 | 102,216 | 95,626
Loss Hedge [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Deferred income tax assets, beginning |  |  |
Deferred tax asset, changes | 4,302 |  |
Deferred income tax assets, ending | 4,302 |  |
Derivative Financial Instruments Profit Loss [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Deferred income tax assets, beginning |  |  |
Deferred tax asset, changes | 3,297 |  |
Deferred income tax assets, ending | 3,297 |  |
Deferred Taxes Other [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Deferred income tax assets, beginning | 77,421 | (45,944) | (18,154)
Deferred tax asset, changes | (1,777) | 123,365 | (27,790)
Deferred income tax assets, ending | 75,644 | 77,421 | (45,944)
Temporary differences [member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Deferred income tax liabilities, beginning | (329,060) | (353,817) | (368,235)
Deferred tax liabilities, changes | 14,419 | 24,757 | 14,418
Deferred income tax liabilities, ending | (314,641) | (329,060) | (353,817)
Capitalization Borrowing Costs [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Deferred income tax liabilities, beginning | (465,510) | (457,669) | (404,931)
Deferred tax liabilities, changes | 4,148 | (7,841) | (52,738)
Deferred income tax liabilities, ending | (461,362) | (465,510) | (457,669)
Profit On Supply Government Entities [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Deferred income tax liabilities, beginning | (348,514) | (346,650) | (353,262)
Deferred tax liabilities, changes | 14,037 | (1,864) | 6,612
Deferred income tax liabilities, ending | (334,477) | (348,514) | (346,650)
Financial Asset [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Deferred income tax liabilities, beginning |  |  |
Deferred tax liabilities, changes | (3,111,446) |  |
Deferred income tax liabilities, ending | (3,111,446) |  |
Actuarial Gain - G1 [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Deferred income tax liabilities, beginning | (121,425) | (93,561) | (109,271)
Deferred tax liabilities, changes | (3,671) | (27,864) | 15,710
Deferred income tax liabilities, ending | (125,096) | (121,425) | (93,561)
Construction Margin [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Deferred income tax liabilities, beginning | (40,579) | (43,323) | (46,079)
Deferred tax liabilities, changes | 2,737 | 2,744 | 2,756
Deferred income tax liabilities, ending | (37,842) | (40,579) | (43,323)
Borrowing Costs [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Deferred income tax liabilities, beginning | (8,624) | (13,517) | (14,556)
Deferred tax liabilities, changes | 8,344 | 4,893 | 1,039
Deferred income tax liabilities, ending | R$ (280) | R$ (8,624) | R$ (13,517)

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