Annual report pursuant to Section 13 and 15(d)

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - PROPERTY, PLANT AND EQUIPMENT (Details)

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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - PROPERTY, PLANT AND EQUIPMENT (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
PROPERTY, PLANT AND EQUIPMENT      
Interest expense capitalized as part of plant and equipment $ 4 $ 9 $ 12
Buildings and equipment | Minimum      
PROPERTY, PLANT AND EQUIPMENT      
Estimated useful lives 5 years    
Buildings and equipment | Maximum      
PROPERTY, PLANT AND EQUIPMENT      
Estimated useful lives 50 years    
Plant and equipment | Minimum      
PROPERTY, PLANT AND EQUIPMENT      
Estimated useful lives 3 years    
Plant and equipment | Maximum      
PROPERTY, PLANT AND EQUIPMENT      
Estimated useful lives 30 years    
Furniture, fixtures and leasehold improvements | Minimum      
PROPERTY, PLANT AND EQUIPMENT      
Estimated useful lives 5 years    
Furniture, fixtures and leasehold improvements | Maximum      
PROPERTY, PLANT AND EQUIPMENT      
Estimated useful lives 20 years