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PROPERTIES AND ACCUMULATED DEPRECIATION (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Property, Plant and Equipment [Line Items]      
Properties and equipment at cost $ 11,234 $ 11,026  
Less: Accumulated depreciation 6,104 5,939  
Net properties 5,130 5,087  
Property, Plant, and Equipment, Additional Disclosures [Abstract]      
Depreciation expense 402 355 $ 345
Cumulative construction-period interest 163 162  
Accumulated depreciation for cumulative construction-period interest 107 103  
Interest capitalized 7 7 $ 4
Land [Member]      
Property, Plant and Equipment [Line Items]      
Properties and equipment at cost 163 175  
Buildings and Building Equipment [Member]      
Property, Plant and Equipment [Line Items]      
Properties and equipment at cost 1,148 1,128  
Machinery and Equipment [Member]      
Property, Plant and Equipment [Line Items]      
Properties and equipment at cost 9,333 9,252  
Construction in Progress [Member]      
Property, Plant and Equipment [Line Items]      
Properties and equipment at cost $ 590 $ 471