RETIREMENT BENEFITS - Weighted Average Actuarial Assumptions to Determine Net Period Cost (Details) - Domestic Plan	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Defined Benefit Plan Disclosure [Line Items]
Discount rate	5.60%	2.90%	2.50%
Expected return on plan assets (in percentage)	5.50%	6.90%	8.50%
Rate of compensation increase	2.40%	2.40%	2.50%
Health care cost trend rate	5.00%	4.70%	6.20%