DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES (Details 2)	3 Months Ended
	Mar. 31, 2014 gal
Derivatives NOT Designated as Hedging Instruments | Physical Fixed Price Derivative Contracts | Current Derivative Contract
Derivative Instruments And Hedging Activities
Volume	2,286,000
Derivatives NOT Designated as Hedging Instruments | Physical Index Derivative Contracts | Current Derivative Contract
Derivative Instruments And Hedging Activities
Volume	177,961,000
Derivatives NOT Designated as Hedging Instruments | Refined products | Futures Contracts | Current Derivative Contract
Derivative Instruments And Hedging Activities
Volume	124,554,000
Derivatives NOT Designated as Hedging Instruments | Refined products | Futures Contracts | Noncurrent Derivative Contract
Derivative Instruments And Hedging Activities
Volume	294,000
Derivatives Designated as Hedging Instruments | Refined products | Futures Contracts | Current Derivative Contract
Derivative Instruments And Hedging Activities
Volume	120,834,000