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	3 Months Ended
	Mar. 31, 2015	Dec. 31, 2014
Derivative [Line Items]
Derivative Instruments in Hedges, Assets, at Fair Value	$ 36,619	$ 54,869
Derivative, Net Liability Position, Aggregate Fair Value	32,061	25,897
Accrued Liabilities [Member]
Derivative [Line Items]
Derivative, Net Liability Position, Aggregate Fair Value	2,386
Other Intangible Assets [Member]
Derivative [Line Items]
Derivative Instruments in Hedges, Assets, at Fair Value	147	1,019
Prepayments And Other [Member]
Derivative [Line Items]
Derivative Instruments in Hedges, Assets, at Fair Value	36,472	53,850
Other Noncurrent Liabilities [Member]
Derivative [Line Items]
Derivative, Net Liability Position, Aggregate Fair Value	29,675	25,897
Forward Contracts [Member]
Derivative [Line Items]
Derivative Asset, Fair Value, Gross Asset	753
Derivative designated as cash flow hedging instrument asset - gross liability	(722)
Derivative designated as cash flow hedging instrument asset - net asset	31
Not Designated as Hedging Instrument [Member]
Derivative [Line Items]
Derivative designated as cash flow hedging instrument asset - gross liability	(7,720)	(12,942)
Derivative Instruments in Hedges, Assets, at Fair Value	20,835	22,307
Derivative Instruments Not Designated as Hedging Instruments, Loss	0
Derivative Designated as Cash Flow Hedging Instrument Liability - Gross Liability	32,489	20,398
Derivative Designated as Cash Flow Hedging Instrument Liability - Gross Asset	(28,347)	(17,007)
Derivative, Net Liability Position, Aggregate Fair Value	4,142	3,391
Derivative Instrument not Designated as Cash Flow Hedging Instrument Asset - Gross Asset	28,555	35,249
Not Designated as Hedging Instrument [Member] | Commodity Contract [Member]
Derivative [Line Items]
Derivative designated as cash flow hedging instrument asset - gross liability	(7,720)	(12,942)
Derivative Instruments in Hedges, Assets, at Fair Value	14,370	4,688
Derivative Designated as Cash Flow Hedging Instrument Liability - Gross Liability	32,489	20,398
Derivative Designated as Cash Flow Hedging Instrument Liability - Gross Asset	(28,347)	(17,007)
Derivative, Net Liability Position, Aggregate Fair Value	4,142	3,391
Derivative Instrument not Designated as Cash Flow Hedging Instrument Asset - Gross Asset	22,090	17,630
Not Designated as Hedging Instrument [Member] | Nymex Futures Contracts [Member]
Derivative [Line Items]
Derivative Instruments in Hedges, Assets, at Fair Value	6,465	17,619
Derivative, Net Liability Position, Aggregate Fair Value	0	0
Derivative Instrument not Designated as Cash Flow Hedging Instrument Asset - Gross Asset	6,465	17,619
Derivative Instrument Not Designated as Cash Flow Hedging Instrument Liability - Gross Liability	0
Designated as Hedging Instrument [Member]
Derivative [Line Items]
Derivative Asset, Fair Value, Gross Asset	107,279	174,677
Derivative designated as cash flow hedging instrument asset - gross liability	(91,495)	(142,115)
Derivative Instruments in Hedges, Assets, at Fair Value	15,784	32,562
Derivative Designated as Cash Flow Hedging Instrument Liability - Gross Liability	65,145	22,506
Derivative Designated as Cash Flow Hedging Instrument Liability - Gross Asset	(37,226)	0
Derivative, Net Liability Position, Aggregate Fair Value	27,919	22,506
Designated as Hedging Instrument [Member] | Forward Contracts [Member]
Derivative [Line Items]
Derivative Designated as Cash Flow Hedging Instrument Liability - Gross Liability	2,630
Derivative Designated as Cash Flow Hedging Instrument Liability - Gross Asset	(1,414)
Derivative, Net Liability Position, Aggregate Fair Value	1,216
Designated as Hedging Instrument [Member] | Commodity Contract [Member]
Derivative [Line Items]
Derivative Asset, Fair Value, Gross Asset	106,379	173,658
Derivative designated as cash flow hedging instrument asset - gross liability	(90,773)	(142,115)
Derivative Instruments in Hedges, Assets, at Fair Value	15,606	31,543
Derivative Designated as Cash Flow Hedging Instrument Liability - Gross Liability	61,573	21,441
Derivative Designated as Cash Flow Hedging Instrument Liability - Gross Asset	(35,812)	0
Derivative, Net Liability Position, Aggregate Fair Value	25,761	21,441
Designated as Hedging Instrument [Member] | HEP Interest Rate Swap [Member]
Derivative [Line Items]
Derivative Asset, Fair Value, Gross Asset	147	1,019
Derivative designated as cash flow hedging instrument asset - gross liability	0	0
Derivative Instruments in Hedges, Assets, at Fair Value	147	1,019
Derivative Designated as Cash Flow Hedging Instrument Liability - Gross Liability	942	1,065
Derivative Designated as Cash Flow Hedging Instrument Liability - Gross Asset	0	0
Derivative, Net Liability Position, Aggregate Fair Value	$ 942	$ 1,065