EMPLOYEE BENEFITS - Schedule of Assumptions used To Calculate Pension and SERP and PBOP (Details)	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Defined Benefit Plan Disclosure [Line Items]
Expected Long-Term Rate of Return (in percent)	8.25%	8.25%	7.94%
Pension and SERP
Defined Benefit Plan Disclosure [Line Items]
Expected Long-Term Rate of Return (in percent)	8.25%	8.25%	8.25%
PBOP
Defined Benefit Plan Disclosure [Line Items]
Expected Long-Term Rate of Return (in percent)	8.25%	8.25%	8.25%
Minimum | Pension and SERP
Defined Benefit Plan Disclosure [Line Items]
Discount rate (in percent)	5.20%	4.70%	4.90%
Compensation/Progression Rate (in percent)	3.50%	3.50%	3.50%
Minimum | PBOP
Defined Benefit Plan Disclosure [Line Items]
Discount rate (in percent)	5.40%	4.90%	5.10%
Maximum | Pension and SERP
Defined Benefit Plan Disclosure [Line Items]
Discount rate (in percent)	5.80%	5.10%	5.30%
Compensation/Progression Rate (in percent)	4.00%	4.00%	4.00%
Maximum | PBOP
Defined Benefit Plan Disclosure [Line Items]
Discount rate (in percent)	5.90%	5.20%	5.40%