EMPLOYEE BENEFIT PLANS(Assumed Health Care Cost Trend Rates) (Details)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Retirement Benefits [Abstract]
Next Year (Pre-65) (in percentage)	6.50%	6.50%
Next Year (Post-65) (in percentage)	7.80%	7.60%
Ultimate Rate Assumed (Pre-65 and Post-65) (in percentage)	4.50%	4.50%
Year Ultimate Rate is Reached (Pre-65)	2037	2037
Year Ultimate Rate is Reached (Post-65)	2037	2036