PENSIONS AND OTHER POSTRETIREMENT BENEFITS - Weighted-Average Assumptions Used to Determine Net Benefit Cost (Details)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Pension Benefits
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Obligation discount rate	3.21%	2.32%	3.02%
Service cost discount rate	3.49%	2.78%	3.34%
Interest cost discount rate	2.75%	1.64%	2.53%
Interest crediting rate	5.39%	5.35%	5.50%
Expected return on plan assets	6.87%	6.84%	7.69%
Compensation rate increase	2.74%	2.54%	2.56%
OPEB
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Obligation discount rate	3.33%	2.46%	3.28%
Service cost discount rate	3.91%	3.28%	3.35%
Interest cost discount rate	3.01%	2.04%	2.51%
Expected return on plan assets	4.86%	5.20%	6.82%
Compensation rate increase	3.00%	3.00%	3.00%