XML 138 R122.htm IDEA: XBRL DOCUMENT v3.6.0.2
BENEFIT PLANS - Weighted-Average Actuarial Assumptions (Detail)
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Oct. 31, 2013
Japan Pension Plan        
Weighted-average actuarial assumptions:        
Discount rate - net periodic benefit cost 1.75% 1.75% 2.25%  
Discount rate - benefit obligations 1.25% 1.75% 1.75%  
Expected long-term return on plan assets 2.00% 2.00% 2.00%  
U.S. Pension Plan        
Weighted-average actuarial assumptions:        
Discount rate - net periodic benefit cost 4.50% 4.50% 4.75%  
Discount rate - benefit obligations 4.25% 4.50% 4.50%  
Expected long-term return on plan assets 7.00% 7.25% 7.50%  
Rate of compensation increase 4.00% 4.00% 4.00%  
Other Postretirement Benefit Plans, Defined Benefit        
Weighted-average actuarial assumptions:        
Discount rate - net periodic benefit cost 4.50% 4.50% 4.75%  
Discount rate - benefit obligations 4.25% 4.50% 4.50% 4.75%
Health care cost trend rates [1] 5.20% 5.30% 5.70%  
Defined benefit plan, ultimate health care cost trend rate 4.50% 4.50% 4.60%  
Defined benefit plan number of years that rate reaches ultimate trend rate 74 years 78 years 78 years  
[1] For the years 2016, 2015 and 2014, the health care cost trend rates are expected to trend down to 4.5% in 74 years, 4.5% in 78 years, and 4.6% in 78 years, respectively.