Derivative Instruments And Hedging Activities (Summary Of Balance Sheet Locations And Related Fair Values Of Outstanding Derivative Instruments) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Derivative [Line Items]
Derivative Asset, Fair Value, Gross Asset	$ 864,752	$ 770,114
Derivative designated as cash flow hedging instrument asset - gross liability	(72,966)
Derivative designated as cash flow hedging instrument asset - net asset	84,772	1,670
Derivative Instrument Not Designated as Cash Flow Hedging Instrument Asset - net Asset	3,252	6,972
Derivative designated as Cash Flow Hedging Instrument Liability - Net Liability	4,746	41,696
Derivative Instrument not Designated as Cash Flow Hedging Instrument Asset - Gross Asset	5,961	6,972
Derivative Designated as Cash Flow Hedging Instrument Liability - Gross Liability	588,734	721,732
Derivative Designated as Cash Flow Hedging Instrument Liability - Gross Asset	(16,448)	(23,679)
Derivative Not Designated as Cash Flow Hedging Instruments Liability - Gross Asset	(4,937)	(12,611)
Derivative Not Designated as Cash Flow Hedging Instruments Liability - Net Liability	7,491	10,724
Derivative Instruments Assets - Net Asset	88,024	8,642
Derivative Instruments Liabilities - Net Liabilities Classified as Current	3,337	26,843
Derivative Instruments Liabilities - Net Liabilities Classified as Noncurrent	8,900	25,577
Derivative Instruments Liabilities Classified as Liabilities	12,237	52,420
Commodity Contract [Member]
Derivative [Line Items]
Derivative Asset, Fair Value, Gross Asset	156,904
Derivative Instrument Not Designated as Cash Flow Hedging Instrument Liability - Gross Liability	9,091	19,766
Derivative designated as cash flow hedging instrument asset - gross liability	(72,770)
Derivative designated as cash flow hedging instrument asset - net asset	84,134
Derivative Instrument Not Designated as Cash Flow Hedging Instrument Asset - net Asset	3,252	6,972
Derivative designated as Cash Flow Hedging Instrument Liability - Net Liability	3,117	39,882
Derivative Instrument not Designated as Cash Flow Hedging Instrument Asset - Gross Asset	5,961	6,972
Derivative Instrument not Designated as Cash Flow Hedging Instrument Asset - Gross Liability	(2,709)
Derivative Designated as Cash Flow Hedging Instrument Liability - Gross Liability	19,565	63,561
Derivative Designated as Cash Flow Hedging Instrument Liability - Gross Asset	(16,448)	(23,679)
Derivative Not Designated as Cash Flow Hedging Instruments Liability - Gross Asset	(4,937)	(12,611)
Derivative Not Designated as Cash Flow Hedging Instruments Liability - Net Liability	4,154	7,155
HEP Interest Rate Swap [Member]
Derivative [Line Items]
Derivative Asset, Fair Value, Gross Asset	834	1,670
Derivative designated as cash flow hedging instrument asset - net asset	834	1,670
Derivative designated as Cash Flow Hedging Instrument Liability - Net Liability	1,629	1,814
Derivative Designated as Cash Flow Hedging Instrument Liability - Gross Liability	1,629	1,814
Derivative Financial Instruments, Assets [Member]
Derivative [Line Items]
Derivative Instrument not Designated as Cash Flow Hedging Instrument Asset - Gross Liability	(2,709)
Derivative Financial Instruments, Liabilities [Member]
Derivative [Line Items]
Derivative Instrument Not Designated as Cash Flow Hedging Instrument Liability - Gross Liability	12,428	23,335
Nymex Futures Contracts [Member]
Derivative [Line Items]
Derivative Instrument Not Designated as Cash Flow Hedging Instrument Liability - Gross Liability	3,337	3,569
Derivative Not Designated as Cash Flow Hedging Instruments Liability - Net Liability	3,337	3,569
Prepayments And Other [Member]
Derivative [Line Items]
Derivative Instruments Assets - Net Asset	85,660	6,972
Other Intangible Assets [Member]
Derivative [Line Items]
Derivative Instruments Assets - Net Asset	2,364	1,670
Forward Contracts [Member]
Derivative [Line Items]
Derivative designated as cash flow hedging instrument asset - gross liability	(196)
Derivative designated as cash flow hedging instrument asset - net asset	(196)
Derivative Financial Instruments, Liabilities [Member]
Derivative [Line Items]
Derivative Asset, Fair Value, Gross Asset	21,194	65,375
Derivative Financial Instruments, Assets [Member]
Derivative [Line Items]
Derivative Asset, Fair Value, Gross Asset	$ 157,738	$ 1,670