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FINANCIAL INSTRUMENTS FINANCIAL INSTRUMENTS (Effect of Derivative Instruments) (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Derivative Instruments, Gain (Loss) [Line Items]      
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net $ (71) $ 95 $ (122)
Amount of gain (loss) recognized in income (299) (214) (328)
Designated as Hedging Instrument [Member]      
Derivative Instruments, Gain (Loss) [Line Items]      
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net (71) 95 (122)
Gain (Loss) on Hedging Activity (1) (40) (14)
Designated as Hedging Instrument [Member] | Fair Value Hedging [Member] | Interest Expense and Amortization of Debt Discount [Member] | Interest Rate Swap [Member]      
Derivative Instruments, Gain (Loss) [Line Items]      
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net 0 0 0
Gain (Loss) on Hedging Activity (2) 0 0
Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member] | Interest Expense and Amortization of Debt Discount [Member] | Interest Rate Swap [Member]      
Derivative Instruments, Gain (Loss) [Line Items]      
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net 2 2 2
Gain (Loss) on Hedging Activity 4 6 9
Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member] | Cost of Sales [Member] | Foreign Exchange Contract [Member]      
Derivative Instruments, Gain (Loss) [Line Items]      
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net (30) 8 123
Gain (Loss) on Hedging Activity 7 (5) 68
Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member] | Cost of Sales [Member] | Commodity Contract [Member]      
Derivative Instruments, Gain (Loss) [Line Items]      
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net 35 55 (247)
Gain (Loss) on Hedging Activity 7 (28) (91)
Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member] | Other Nonoperating Income (Expense) [Member] | Foreign Exchange Contract [Member]      
Derivative Instruments, Gain (Loss) [Line Items]      
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net (5) 25 0
Gain (Loss) on Hedging Activity (17) (13) 0
Designated as Hedging Instrument [Member] | Net Investment Hedging [Member] | Foreign Exchange Contract [Member]      
Derivative Instruments, Gain (Loss) [Line Items]      
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net (73) 5 0
Gain (Loss) on Hedging Activity 0 0 0
Not Designated as Hedging Instrument [Member]      
Derivative Instruments, Gain (Loss) [Line Items]      
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net 0 0 0
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net (298) (174) (314)
Not Designated as Hedging Instrument [Member] | Cost of Sales [Member] | Commodity Contract [Member]      
Derivative Instruments, Gain (Loss) [Line Items]      
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net 0 0 0
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net (9) 6 4
Not Designated as Hedging Instrument [Member] | Other Nonoperating Income (Expense) [Member] | Foreign Exchange Contract [Member]      
Derivative Instruments, Gain (Loss) [Line Items]      
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net 0 0 0
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net $ (289) $ (180) $ (318)