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OTHER LIABILITIES, INCLUDING EMPLOYEE BENEFITS (Postretirement and Other Benefits) (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Selling, general and administrative expenses $ 484 $ 607 $ 558
Defined Benefit Plan, Expected Future Benefit Payment [Abstract]      
Duration over which health care costs reach ultimate trend rate 15 years    
Postemployment Benefits      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Accounts payable and accrued liabilities $ 5 5  
Other non-current liabilities 38 34  
Selling, general and administrative expenses     16
Postretirement Medical and Life Insurance Benefit Plans      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Accounts payable and accrued liabilities 14 16  
Other non-current liabilities $ 129 $ 138  
Discount rate 3.50% 3.80%  
Defined Benefit Plan, Expected Future Benefit Payment [Abstract]      
2017 $ 14    
2018 14    
2019 13    
2020 13    
2021 12    
2022 through 2026 50    
Net periodic benefit cost $ 5 $ 4 $ 6
Discount rate 3.80% 4.10% 3.60%
Health care cost trend rates for the next fiscal year 8.00%    
Ultimate health care cost trend rate 4.25%