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FINANCIAL INSTRUMENTS (Accounting for Derivative Instruments and Hedging Activities) (Details) - USD ($)
$ in Millions
Dec. 31, 2019
Dec. 31, 2018
Foreign currency    
Derivative [Line Items]    
Foreign Currency Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months $ 5  
Commodities    
Derivative [Line Items]    
Price Risk Cash Flow Hedge Unrealized Gain (Loss) to be Reclassified During Next 12 Months (23)  
Interest rates 6    
Derivative [Line Items]    
Interest Rate Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months, Net 2  
Foreign Currency Denominated Debt [Member]    
Derivative [Line Items]    
Nonderivative Instruments Notional $ 184 $ 182