XML 216 R164.htm IDEA: XBRL DOCUMENT v3.24.1.u1
POST-EMPLOYMENT BENEFIT - Change referring to health plans and life insurance (Details) - Present value of the defined benefit obligations - Health and life insurance plans - BRL (R$)
R$ in Thousands
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Defined Pension Benefits    
Beginning Balance R$ 255,181 R$ 245,457
Effects of deconsolidation - Eletronuclear   (25,745)
Current service cost 9,652 759
Interest on actuarial obligation 16,404 20,741
Benefits paid in the year (6,966) (10,350)
Gain/Loss on actuarial obligations arising from remeasurement (111,636) 24,319
Actuarial losses arising from changes in demographic assumptions (10,920) 38,026
Actuarial gains/losses arising from changes in financial assumptions 28,221 (21,655)
Actuarial gains/losses resulting from adjustments based on experience (128,937) 7,948
Closing Balance R$ 162,635 R$ 255,181