RETIREMENT ANNUITY AND GUARANTEED CONTINUOUS EMPLOYMENT PLANS (Weighted Average Assumptions Used to Measure the Net Periodic Benefit Cost) (Details)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
United States
Weighted average assumptions used to measure the net periodic benefit cost
Discount rate	3.70%	4.20%	4.50%
Rate of increase in compensation	2.50%	2.50%	2.60%
Expected return on plan assets	5.00%	6.00%	6.20%
Foreign Plan [Member]
Weighted average assumptions used to measure the net periodic benefit cost
Discount rate	2.00%	2.20%	3.90%
Rate of increase in compensation	2.70%	2.50%	3.70%
Expected return on plan assets	4.60%	4.50%	5.70%