POST-EMPLOYMENT BENEFIT - Summary of Assumptions to Determine Defined Benefit Obligations (Detail) |
12 Months Ended | |
|---|---|---|
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Health PlanDisclosure of defined benefit plans [line items] | ||
| Overall mortality (segregated by gender) smoothness rate (as a percent) | 10.00% | 10.00% |
| Defined benefit [member] | Defined benefit [member] | ||
| Health PlanDisclosure of defined benefit plans [line items] | ||
| Discount rate (per year) | 11.07% | 9.29% |
| Inflation rate (per year) | 3.50% | 3.50% |
| Future pension increases | 3.50% | 3.50% |
| Health plan [member] | Health Insurance | ||
| Health PlanDisclosure of defined benefit plans [line items] | ||
| Discount rate (per year) | 12.14% | 10.12% |
| Inflation rate (per year) | 4.50% | 4.50% |
| Morbidity (aging factor) | 3.00% | 3.00% |
| Future pension increases | 3.00% | 3.00% |
| Overall mortality (segregated by gender) | AT-2000 | AT-2000 |
| Disable mortality table | IAPB-1957 | IAPB-1957 |
| Entry into disability (modified) | UP-84 modified | UP-84 modified |
| Turnover | 0.60/ (service time +1) | 0.60/ (service time +1) |