XML 109 R94.htm IDEA: XBRL DOCUMENT v3.25.4
EMPLOYEE BENEFIT PLANS - Assumptions Used in Calculations (Details)
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Postretirement Medical Plans      
Benefit Obligatoins      
Discount rate 4.80% 4.85%  
Net Cost      
Discount rate 4.85% 4.15% 4.40%
Pension Plan      
Benefit Obligatoins      
Discount rate 3.75% 3.35%  
Net Cost      
Discount rate 3.35% 3.45% 4.00%
Expected return on assets 3.25% 3.25% 3.25%