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Weighted Average Actuarial Assumptions Used (Detail)
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
U.S. Pension
      
Defined Benefit Plan Disclosure [Line Items]      
Discount rate 5.00% 4.10%  
Discount rate 4.10% 4.50% 5.50%
Expected return on plan assets 8.00% 8.00% 8.00%
Foreign Pension
      
Defined Benefit Plan Disclosure [Line Items]      
Discount rate 4.60% 4.30%  
Rate of compensation increase 4.10% 4.20%  
Discount rate 4.30% 4.80% 5.20%
Expected return on plan assets 6.70% 6.70% 6.90%
Rate of compensation increase 4.80% 5.20% 3.60%
U.S. Other Postretirement
      
Defined Benefit Plan Disclosure [Line Items]      
Discount rate 4.50% 3.70%  
Discount rate 3.70% 4.00% 5.00%
Foreign Other Postretirement
      
Defined Benefit Plan Disclosure [Line Items]      
Discount rate 5.00% 4.40%  
Discount rate 4.40% 4.50% 5.60%