Annual report pursuant to Section 13 and 15(d)

BENEFIT PLANS (Asset Allocation Ranges and Actual Allocation, USRIP)) (Detail)

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BENEFIT PLANS (Asset Allocation Ranges and Actual Allocation, USRIP)) (Detail) - U.S. Retirement Income Plan, or USRIP
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Large-Cap Equity    
Defined Benefit Plan Disclosure [Line Items]    
Range minimum 10.00% 10.00%
Range maximum 40.00% 35.00%
Actual 25.90% 22.40%
Small- and Mid-Cap Equity    
Defined Benefit Plan Disclosure [Line Items]    
Range minimum 0.00% 0.00%
Range maximum 15.00% 15.00%
Actual 6.10% 5.60%
International Equity    
Defined Benefit Plan Disclosure [Line Items]    
Range minimum 10.00% 10.00%
Range maximum 30.00% 30.00%
Actual 12.00% 13.10%
Private Equity    
Defined Benefit Plan Disclosure [Line Items]    
Range minimum 2.00% 2.00%
Range maximum 10.00% 10.00%
Actual 8.80% 6.90%
Hedge Funds    
Defined Benefit Plan Disclosure [Line Items]    
Range minimum 0.00% 10.00%
Range maximum 10.00% 30.00%
Actual 11.40% 13.50%
Real Assets    
Defined Benefit Plan Disclosure [Line Items]    
Range minimum 2.00% 2.00%
Range maximum 10.00% 10.00%
Actual 3.70% 7.10%
Fixed Income    
Defined Benefit Plan Disclosure [Line Items]    
Range minimum 20.00% 15.00%
Range maximum 55.00% 40.00%
Actual 29.70% 29.90%
Cash    
Defined Benefit Plan Disclosure [Line Items]    
Range minimum 0.00% 0.00%
Range maximum 15.00% 15.00%
Actual 2.40% 1.50%