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PENSION AND OTHER POSTRETIREMENT BENEFIT PLANS (Assumptions Used to Determine Net Periodic Benefit Cost) (Details)
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
PENSION AND OTHER POSTRETIREMENT BENEFIT PLANS [Abstract]      
Discount rate 4.27% 4.55% 4.90%
Expected (long-term) return on plan assets 4.27% 4.90% 6.37%
Rate of future compensation increases