Derivative Financial Instruments (Tables)

3 Months Ended

Mar. 31, 2014

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule Of Forward Purchase And Sales Contracts

As of March 31, 2014, we had commitments under these forward purchase and sale contracts as follows (in millions):

	Notional Value		Barrels
Forward purchase contracts	$	73.4	1.3
Forward sale contracts	$	25.2	0.2

Schedule Of NYMEX Contracts And Butane Price Swap Purchase Agreements

As outlined in the table below, our open NYMEX contracts and butane futures agreements at March 31, 2014 were as follows:

Type of Contract/Accounting Methodology	Product Represented by the Contract and Associated Barrels	Maturity Dates
NYMEX - Fair Value Hedges	0.7 million barrels of crude oil	Between April 2014 and November 2016
NYMEX - Economic Hedges	2.2 million barrels of refined products and crude oil	Between April 2014 and January 2015
Butane Futures Agreements - Economic Hedges	0.1 million barrels of butane	Between April 2014 and January 2015

Derivatives and Offset Amounts [Table Text Block]

A schedule of the derivative amounts we have offset and the deposit amounts we could offset under a master netting arrangement are provided below as of December 31, 2013 and March 31, 2014 (in thousands):

	December 31, 2013
Description	Gross Amounts of Recognized Liabilities			Gross Amounts of Assets Offset in the Consolidated Balance Sheet		Net Amounts of Liabilities Presented in the Consolidated Balance Sheet(1)			Margin Deposit Amounts Not Offset in the Consolidated Balance Sheet		Net Asset Amount
Energy commodity derivatives	$	(7,167	)	$	2,665	$	(4,502	)	$	14,782	$	10,280

	March 31, 2014
Description	Gross Amounts of Recognized Liabilities			Gross Amounts of Assets Offset in the Consolidated Balance Sheet		Net Amounts of Liabilities Presented in the Consolidated Balance Sheet(2)			Margin Deposit Amounts Not Offset in the Consolidated Balance Sheet		Net Asset Amount
Energy commodity derivatives	$	(3,439	)	$	1,534	$	(1,905	)	$	12,714	$	10,809

Derivative Gains Included In Accumulated Other Comprehensive Loss (AOCL)

The changes in derivative activity included in AOCL for the three months ended March 31, 2013 and 2014 were as follows (in thousands):

	Three Months Ended March 31,
Derivative Gains (Losses) Included in AOCL	2013			2014
Beginning balance	$	14,126		$	13,627
Net loss on cash flow hedges	(4,560		)	(3,613		)
Reclassification of net loss (gain) on cash flow hedges to income	4,367			(26		)
Ending balance	$	13,933		$	9,988

Derivatives And Hedging-Cash Flow Hedges

The following tables provide a summary of the effect on our consolidated statements of income for the three months ended March 31, 2013 and 2014 of the effective portion of derivatives accounted for under ASC 815-30, Derivatives and Hedging—Cash Flow Hedges, that were designated as hedging instruments (in thousands):

	Three Months Ended March 31, 2013
Derivative Instrument	Amount of Loss Recognized in AOCL on Derivative				Location of Gain (Loss) Reclassified from AOCL into Income	Amount of Gain (Loss) Reclassified from AOCL into Income
Interest rate contracts		$	—		Interest expense		$	41
NYMEX commodity contracts		(4,560		)	Product sales revenue		(4,408		)
Total cash flow hedges		$	(4,560	)	Total		$	(4,367	)

	Three Months Ended March 31, 2014
Derivative Instrument	Amount of Loss Recognized in AOCL on Derivative				Location of Gain Reclassified from AOCL into Income	Amount of Gain Reclassified from AOCL into Income
Interest rate contracts		$	(3,613	)	Interest expense		$	26

Derivatives And Hedging-Overall-Subsequent Measurement

The following table provides a summary of the effect on our consolidated statements of income for the three months ended March 31, 2013 and 2014 of derivatives accounted for under ASC 815; Derivatives and Hedging—Overall, that were not designated as hedging instruments (in thousands):

		Amount of Gain (Loss) Recognized on Derivative
		Three Months Ended
Derivative Instrument	Location of Gain (Loss) Recognized on Derivative	March 31, 2013			March 31, 2014
NYMEX commodity contracts	Product sales revenue	$	(1,761	)	$	2,823
NYMEX commodity contracts	Operating expenses	(1,886		)	365
Butane futures agreements	Cost of product sales	(781		)	144
	Total	$	(4,428	)	$	3,332

Derivatives And Hedging-Designated

The following tables provide a summary of the fair value of derivatives accounted for under ASC 815, Derivatives and Hedging, which are presented on a net basis in our consolidated balance sheets, that were designated as hedging instruments as of December 31, 2013 and March 31, 2014 (in thousands):

	December 31, 2013
	Asset Derivatives			Liability Derivatives
Derivative Instrument	Balance Sheet Location	Fair Value		Balance Sheet Location	Fair Value
NYMEX commodity contracts	Energy commodity derivatives contracts, net	$	—	Energy commodity derivatives contracts, net	$	146
NYMEX commodity contracts	Other noncurrent assets	2,235		Other noncurrent liabilities	—
	Total	$	2,235	Total	$	146

	March 31, 2014
	Asset Derivatives			Liability Derivatives
Derivative Instrument	Balance Sheet Location	Fair Value		Balance Sheet Location	Fair Value
NYMEX commodity contracts	Energy commodity derivatives contracts, net	$	—	Energy commodity derivatives contracts, net	$	170
NYMEX commodity contracts	Other noncurrent assets	1,516		Other noncurrent liabilities	—
	Total	$	1,516	Total	$	170

Derivatives And Hedging-Nondesignated

The following tables provide a summary of the fair value of derivatives accounted for under ASC 815, Derivatives and Hedging, which are presented on a net basis in our consolidated balance sheets, that were not designated as hedging instruments as of December 31, 2013 and March 31, 2014 (in thousands):

	December 31, 2013
	Asset Derivatives			Liability Derivatives
Derivative Instrument	Balance Sheet Location	Fair Value		Balance Sheet Location	Fair Value
NYMEX commodity contracts	Energy commodity derivatives contracts, net	$	48	Energy commodity derivatives contracts, net	$	7,021
Butane futures agreements	Energy commodity derivatives contracts, net	382		Energy commodity derivatives contracts, net	—
	Total	$	430	Total	$	7,021
	March 31, 2014
	Asset Derivatives			Liability Derivatives
Derivative Instrument	Balance Sheet Location	Fair Value		Balance Sheet Location	Fair Value
NYMEX commodity contracts	Energy commodity derivatives contracts, net	$	—	Energy commodity derivatives contracts, net	$	3,217
Butane futures agreements	Energy commodity derivatives contracts, net	18		Energy commodity derivatives contracts, net	52
	Total	$	18	Total	$	3,269