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v3.25.4

Obligations for pension and similar liabilities (Details 1) - BRL (R$) R$ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
IfrsStatementLineItems [Line Items] |  |  |
Post Employment Plans, Beginning balance | R$ 22,996,370 | R$ 26,241,550 | R$ 24,106,720
Other Similar Obligations, Beginning balance | 4,689,396 | 5,130,333 | 4,588,664
Post Employment Plans, Costs of current services | 255 | 586 | (911)
Other Similar Obligations, Cost of current services | 5,586 | 5,694 | 4,903
Post Employment Plans, Interest cost | 2,322,447 | 2,247,577 | 2,188,015
Other Similar Obligations, Interest cost | 486,529 | 438,944 | 429,103
Post Employment Plans, Paid benefits | (2,822,774) | (4,721,231) | (2,487,932)
Other Similar Obligations, Paid benefits | (547,991) | (489,818) | (448,912)
Post Employment Plans, Actuarial losses (gains) | 546,209 | (1,040,157) | 2,433,313
Other Similar Obligations, Actuarial losses (gains) | 841,514 | (395,757) | 556,575
Post Employment Plans, Others | 2,510 | 268,045 | 2,345
Other Similar Obligations, Others | (137) |  |
Post Employment Plans, Ending balance | 23,045,017 | 22,996,370 | 26,241,550
Other Similar Obligations, Ending balance | 5,474,897 | 4,689,396 | 5,130,333
Post Employment Plans, Fair value of plan assets | 25,289,715 | 26,158,640 | 27,328,362
Other Similar Obligations, Fair value of plan assets | 5,253,707 | 5,008,751 | 5,570,354
Post Employment Plans, Unrecognized assets | (2,624,294) | (3,617,497) | (2,649,505)
Other Similar Obligations, Unrecognized assets | (368,511) | (877,078) | (1,082,010)
Post Employment Plans, Provisions net | 379,596 | 455,227 | 1,562,693
Other Similar Obligations, Provisions net | 589,701 | 557,723 | 641,989
Total provisions for pension plans, net | 969,317 | 1,023,424 | 2,204,684
Actuarial provisions | 1,357,203 | 1,364,437 | 2,543,504
Actuarial assets | 387,886 | 341,013 | 338,820
Post Employment Plans, Plan Experience | (670,274) | (2,343,241) | (585,676)
Other Similar Obligations, Plan Experience | (738,349) | (416,984) | (171,107)
Post Employment Plans, Changes in Financial Assumptions | 123,950 | 3,347,376 | (1,652,752)
Other Similar Obligations, Changes in Financial Assumptions | 11,000 | 770,940 | (419,306)
Post Employment Plans, Changes in Demographic Assumptions |  |  | (178,125)
Other Similar Obligations, Changes in Demographic Assumptions | (114,165) | 41,519 | 33,838
Post Employment Plans, Actuarial Gain (Loss) - Obligation | (546,324) | 1,004,135 | (2,416,553)
Other Similar Obligations, Actuarial Gain (Loss) - Obligation | (841,514) | 395,475 | (556,575)
Post Employment Plans, Return on Investments Different from the Return Implicit in the Discount Rate | (1,338,033) | (1,183,609) | (127,052)
Other Similar Obligations, Return on Investments Different from the Return Implicit in the Discount Rate | 37,908 | (771,685) | 387,599
Post Employment Plans, Gain (Loss) Actuarial - Asset | (1,338,033) | (1,183,609) | (127,052)
Post Employment Plans, Changes in Surplus Irrecoverable Deficit | 1,356,862 | (704,716) | 1,801,693
Other Similar Obligations, Changes in Surplus Irrecoverable Deficit | 598,347 | 304,272 | (89,852)
Post Employment Plans [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Experience in Net Assets Adjustments | (1,338,149) | (1,200,878) | (99,752)
Other Similar Obligations [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Experience in Net Assets Adjustments | R$ 37,761 | R$ (772,305) | R$ 387,599

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