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DERIVATIVE AND NON-DERIVATIVE FINANCIAL INSTRUMENTS Part 2 (Details) - USD ($)
$ in Millions
Jun. 30, 2016
Dec. 31, 2015
Derivative Assets [Abstract]    
Derivative Asset, Net $ 109  
Derivative Liabilities [Abstract]    
Derivative Liability, Net 325  
Fair Value, Measurements, Recurring [Member]    
Derivative Assets [Abstract]    
Derivative Asset, Fair Value, Gross Asset 110 $ 144
Derivative Liabilities [Abstract]    
Derivative Liability, Fair Value, Gross Liability (326) (466)
Derivative, Fair Value, Net (216) (322)
Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Recurring [Member]    
Derivative Assets [Abstract]    
Derivative Asset, Fair Value, Gross Asset 0 0
Derivative Liabilities [Abstract]    
Derivative Liability, Fair Value, Gross Liability 0 0
Derivative, Fair Value, Net 0 0
Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring [Member]    
Derivative Assets [Abstract]    
Derivative Asset, Fair Value, Gross Asset 110 144
Derivative Liabilities [Abstract]    
Derivative Liability, Fair Value, Gross Liability (326) (466)
Derivative, Fair Value, Net (216) (322)
Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Recurring [Member]    
Derivative Assets [Abstract]    
Derivative Asset, Fair Value, Gross Asset 0 0
Derivative Liabilities [Abstract]    
Derivative Liability, Fair Value, Gross Liability 0 0
Derivative, Fair Value, Net 0 0
Designated as Hedging Instrument [Member]    
Derivative Assets [Abstract]    
Derivative Asset, Fair Value, Gross Asset 108 144
Derivative Liabilities [Abstract]    
Cash Flow Hedge Derivative Instrument Liabilities at Fair Value 326 466
Commodity Contract [Member] | Designated as Hedging Instrument [Member] | Other Current Assets [Member]    
Derivative Assets [Abstract]    
Cash Flow Hedge Derivative Instrument Assets at Fair Value 2 0
Commodity Contract [Member] | Designated as Hedging Instrument [Member] | Other Noncurrent Assets [Member]    
Derivative Assets [Abstract]    
Cash Flow Hedge Derivative Instrument Assets at Fair Value 2 0
Commodity Contract [Member] | Designated as Hedging Instrument [Member] | Other Current Liabilities [Member]    
Derivative Liabilities [Abstract]    
Cash Flow Hedge Derivative Instrument Liabilities at Fair Value 106 194
Commodity Contract [Member] | Designated as Hedging Instrument [Member] | Other Noncurrent Liabilities [Member]    
Derivative Liabilities [Abstract]    
Cash Flow Hedge Derivative Instrument Liabilities at Fair Value 142 242
Foreign Exchange Contract [Member] | Designated as Hedging Instrument [Member] | Other Current Assets [Member]    
Derivative Assets [Abstract]    
Cash Flow Hedge Derivative Instrument Assets at Fair Value 49 65
Foreign Exchange Contract [Member] | Designated as Hedging Instrument [Member] | Other Noncurrent Assets [Member]    
Derivative Assets [Abstract]    
Cash Flow Hedge Derivative Instrument Assets at Fair Value 55 79
Interest Rate Contract [Member] | Designated as Hedging Instrument [Member] | Other Noncurrent Assets [Member]    
Derivative Assets [Abstract]    
Fair Value Hedge Assets 2 0
Interest Rate Swap [Member] | Designated as Hedging Instrument [Member] | Other Current Liabilities [Member]    
Derivative Liabilities [Abstract]    
Cash Flow Hedge Derivative Instrument Liabilities at Fair Value 78 0
Interest Rate Swap [Member] | Designated as Hedging Instrument [Member] | Other Noncurrent Liabilities [Member]    
Derivative Liabilities [Abstract]    
Cash Flow Hedge Derivative Instrument Liabilities at Fair Value $ 0 $ 30