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EMPLOYEE BENEFIT PLANS - Schedule of Weighted Average Assumptions Used to Determine Net Periodic Benefit Costs (Details)
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Pension Benefits      
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Net Periodic Benefit Cost [Abstract]      
Discount rate 4.74% 2.69% 2.47%
Expected long-term return on plan assets 6.73% 4.39% 4.86%
Health Care Benefits      
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Net Periodic Benefit Cost [Abstract]      
Discount rate 5.17% 2.85% 2.66%
Expected long-term return on plan assets 0.00% 0.00% 0.00%
Assumed health care cost trend rates at December 31:      
Assumed health care cost trend rates at January 1: 5.93% 6.44% 6.24%
Rate to which the cost trend rate is assumed to decline (the ultimate trend rate) 4.08% 4.08% 4.04%
Year that the rate reaches the ultimate trend rate 2055 2065 2066