Annual report pursuant to Section 13 and 15(d)

COMPANY-SPONSORED EMPLOYEE BENEFIT PLANS - Weighted Average Actuarial Assumptions Used to Determine the Net Periodic Benefit Cost (Detail)

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COMPANY-SPONSORED EMPLOYEE BENEFIT PLANS - Weighted Average Actuarial Assumptions Used to Determine the Net Periodic Benefit Cost (Detail)
 12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Defined Benefit Plan Disclosure [Line Items]      
Document Fiscal Year Focus 2015    
U.S. Pension Benefits      
Defined Benefit Plan Disclosure [Line Items]      
Discount rate 4.40% 5.32% 4.42%
Rate of compensation increase 4.29% 4.29% 4.16%
Expected return on assets 8.75% 8.75% 8.75%
U.S. Postretirement Medical Benefits      
Defined Benefit Plan Disclosure [Line Items]      
Discount rate 4.18% 4.89% 4.21%
Expected return on assets 8.75% 8.75% 8.75%
International Pension Benefits      
Defined Benefit Plan Disclosure [Line Items]      
Discount rate 3.56% 4.35% 4.00%
Rate of compensation increase 3.08% 3.22% 3.03%
Expected return on assets 6.03% 6.29% 6.90%