v3.25.4
PENSIONS PLANS AND OTHER POST-EMPLOYMENT BENEFITS (Details 4) - BRL (R$)
R$ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
PENSION PLANS AND OTHER POST-EMPLOYMENT BENEFITS    
Balance at the beginning of the year R$ 571,513 R$ 1,003,035
Expenses (17,225) 109,683
Sponsor contributions 22,763 25,332
Amounts recognized in OCI 16,338 555,441
Distribution of reserves 88,452 39,568
Balance at the end of the year 603,639 571,513
Actuarial assets per balance sheet [1] (182,907) (157,046)
Actuarial assets per balance sheet 182,907 157,046
Actuarial liabilities per balance sheet 786,546 728,559
Actuarial liabilities per balance sheet 786,546 728,559
Defined benefit plans other than multi-employer plans, state plans and plans that share risks between entities under common control    
PENSION PLANS AND OTHER POST-EMPLOYMENT BENEFITS    
Balance at the beginning of the year (91,892) 5,971
Expenses (9,265) 2,108
Sponsor contributions 9,310 9,588
Amounts recognized in OCI 94,220 129,951
Distribution of reserves 87,290 39,568
Balance at the end of the year (117,397) (91,892)
Actuarial assets per balance sheet 182,907 157,046
Actuarial liabilities per balance sheet 65,510 65,154
Post-retirement health plans    
PENSION PLANS AND OTHER POST-EMPLOYMENT BENEFITS    
Balance at the beginning of the year 663,405 997,064
Expenses (7,960) 107,575
Sponsor contributions 13,453 15,744
Amounts recognized in OCI (77,882) 425,490
Distribution of reserves 1,162 0
Balance at the end of the year 721,036 663,405
Actuarial assets per balance sheet 0 0
Actuarial liabilities per balance sheet 721,036 663,405
Actuarial liabilities per balance sheet R$ 1,567,671 R$ 1,548,742
[1] On December 31, 2025 and 2024, it includes the amounts of R$179,493 and R$153,714, respectively, referring to the distribution of the PBS-A surplus.