XML 360 R158.htm IDEA: XBRL DOCUMENT v3.24.1.u1
Post-employment Benefits (Details 2) - BRL (R$)
R$ in Thousands
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Notes and other explanatory information [abstract]    
Post-employment benefits, balance at beginning R$ 1,070,037 R$ 1,295,174
Appropriation of actuarial calculation 130,126 140,293
Appropriation of pension and healthcare contributions 139,701 127,878
Adjustment related to actuarial gains (loss) 379,126 (291,742)
Amortizations (225,421) (201,566)
Reclassification (9,326)  
Post-employment benefits, balance at ending R$ 1,484,243 R$ 1,070,037