PENSION AND OTHER POST-EMPLOYMENT BENEFITS - Assumptions Used to Determine Net Periodic Benefit Cost (Details)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Pension
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Discount rate	5.23%	3.02%	2.67%
Rate of compensation increase	4.30%	4.10%	4.10%
Cash balance weighted average interest crediting rate	4.04%	2.57%	2.57%
Expected return on plan assets	7.50%	7.50%	7.50%
Rate of compensation increase	4.10%	4.10%	4.10%
Pension | Interest on Benefit Obligations
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Weighted-average discount rate	2.44%	1.94%
Pension | Interest on Benefit Obligations | Minimum
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Weighted-average discount rate			2.89%
Pension | Interest on Benefit Obligations | Maximum
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Weighted-average discount rate			2.48%
Pension | Service Cost
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Weighted-average discount rate	3.28%	3.10%
Pension | Service Cost | Minimum
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Weighted-average discount rate			360.00%
Pension | Service Cost | Maximum
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Weighted-average discount rate			3.24%
Pension | Interest Cost
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Weighted-average discount rate	2.96%	2.58%
Pension | Interest Cost | Minimum
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Weighted-average discount rate			327.00%
Pension | Interest Cost | Maximum
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Weighted-average discount rate			2.90%
OPEB
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Discount rate	5.16%	2.84%	2.45%
Expected return on plan assets	7.50%	7.50%	7.50%
Rate to which the cost trend rate is assumed to decline (ultimate trend rate)	4.50%	4.50%	4.50%
OPEB | Pre Medicare
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Health care cost trend rate assumed (pre/post-Medicare)	6.00%	5.75%	6.00%
OPEB | Post Medicare
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Health care cost trend rate assumed (pre/post-Medicare)	5.50%	5.25%	5.50%
OPEB | Interest on Benefit Obligations
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Weighted-average discount rate	2.18%	1.66%
OPEB | Interest on Benefit Obligations | Minimum
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Weighted-average discount rate			271.00%
OPEB | Interest on Benefit Obligations | Maximum
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Weighted-average discount rate			2.30%
OPEB | Service Cost
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Weighted-average discount rate	3.41%	3.03%
OPEB | Service Cost | Minimum
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Weighted-average discount rate			363.00%
OPEB | Service Cost | Maximum
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Weighted-average discount rate			3.29%
OPEB | Interest Cost
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Weighted-average discount rate	3.24%	2.83%
OPEB | Interest Cost | Minimum
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Weighted-average discount rate			343.00%
OPEB | Interest Cost | Maximum
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Weighted-average discount rate			3.06%