v3.26.1
RECOVERABLE AMOUNT OF LONG-TERM ASSETS- General (Details)
Dec. 31, 2025
Dec. 31, 2024
Minimum    
RECOVERABLE VALUE OF LONG-TERM ASSETS    
Discount rate (as a percent)   6.73%
Maximum    
RECOVERABLE VALUE OF LONG-TERM ASSETS    
Discount rate (as a percent) 9.02%  
Regular Tax Regime    
RECOVERABLE VALUE OF LONG-TERM ASSETS    
Discount rate with the SUDAM/SUDENE tax benefit 5.36% 5.75%
SUDAM/SUDENE Tax Benefit    
RECOVERABLE VALUE OF LONG-TERM ASSETS    
Discount rate without the SUDAM/SUDENE tax benefit 6.54% 6.50%
Presumed‑Profit Regime    
RECOVERABLE VALUE OF LONG-TERM ASSETS    
Discount rate without the SUDAM/SUDENE tax benefit 7.50% 7.11%