v3.25.4
RETIREMENT BENEFITS - Actuarial Assumptions (Details) - Pension Plans, Defined Benefit
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Defined Benefit Plan Disclosure [Line Items]      
Discount rate 3.80% 3.50%  
Rate of compensation increase 1.50% 1.40%  
Interest crediting rate 2.50% 2.40%  
Discount rate 3.50% 3.40% 4.00%
Expected long-term return on plan assets 4.10% 4.80% 4.10%
Rate of compensation increase 1.40% 1.40% 1.20%
Interest crediting rate 2.40% 2.50% 2.50%