POST-EMPLOYMENT BENEFIT - Summary of indirect subsidiary Compagás performed the actuarial analysis of the defined benefit pension plan (Detail) - BRL (R$) R$ in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Health PlanDisclosure of defined benefit plans [line items] | ||
| Liability to be recognized | R$ 814,007 | R$ 829,329 |
| Companhia Paranaense de Gás - Compagás [member] | ||
| Health PlanDisclosure of defined benefit plans [line items] | ||
| Liability at year-end | (32,604) | |
| Financial assets at year-end | 42,435 | |
| Accrued surplus | 9,831 | |
| Asset limit effect | (9,831) | |
| Liability to be recognized |