DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES (Details 2)	9 Months Ended
	Sep. 30, 2013 gal
Derivatives NOT Designated as Hedging Instruments | Physical Fixed Price Derivative Contracts | Current Derivative Contract
Derivative Instruments And Hedging Activities
Volume	34,531,000
Derivatives NOT Designated as Hedging Instruments | Physical Fixed Price Derivative Contracts | Noncurrent Derivative Contract
Derivative Instruments And Hedging Activities
Volume	604,000
Derivatives NOT Designated as Hedging Instruments | Physical Index Derivative Contracts | Current Derivative Contract
Derivative Instruments And Hedging Activities
Volume	85,082,000
Derivatives NOT Designated as Hedging Instruments | Refined products | Futures Contracts | Current Derivative Contract
Derivative Instruments And Hedging Activities
Volume	46,458,000
Derivatives NOT Designated as Hedging Instruments | Refined products | Futures Contracts | Noncurrent Derivative Contract
Derivative Instruments And Hedging Activities
Volume	588,000
Derivatives Designated as Hedging Instruments | Refined products | Futures Contracts | Current Derivative Contract
Derivative Instruments And Hedging Activities
Volume	76,524,000