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RETIREMENT ANNUITY AND GUARANTEED CONTINUOUS EMPLOYMENT PLANS (Weighted Average Assumptions Used to Measure the Benefit Obligation) (Details)
Dec. 31, 2018
Dec. 31, 2017
United States    
Weighted average assumptions used to measure the benefit obligation    
Discount rate 4.40% 3.70%
Rate of increase in compensation 2.50% 2.50%
Foreign Plan [Member]    
Weighted average assumptions used to measure the benefit obligation    
Discount rate 2.30% 2.00%
Rate of increase in compensation 2.60% 2.70%