XML 101 R80.htm IDEA: XBRL DOCUMENT v3.8.0.1
RETIREMENT ANNUITY AND GUARANTEED CONTINUOUS EMPLOYMENT PLANS (Weighted Average Assumptions Used to Measure the Benefit Obligation) (Details)
Dec. 31, 2017
Dec. 31, 2016
Foreign Pension Plan [Member]    
Weighted average assumptions used to measure the benefit obligation    
Discount rate 2.00% 3.30%
Rate of increase in compensation 2.70% 3.70%
United States Pension Plan of US Entity [Member]    
Weighted average assumptions used to measure the benefit obligation    
Discount rate 3.70% 4.20%
Rate of increase in compensation 2.50% 2.50%