Derivative Instruments And Hedging Activities Derivatives and Hedging Instruments Gains Losses due to Settlements Hedge Ineffectiveness (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Trading Activity, Gains and Losses, Net [Line Items]
Gain (Loss) on Sale of Derivatives	$ (33,409)		$ (20,986)	$ (166)
Gain (Loss) on Fair Value Hedge Ineffectiveness, Net	2,677		(1,985)	362
Other Comprehensive Income (Loss), Reclassification Adjustment on Derivatives Included in Net Income, Net of Tax	(111,226)		(236,725)	22,219
Cost of Sales [Member]
Trading Activity, Gains and Losses, Net [Line Items]
Gain (Loss) on Sale of Derivatives	11,527	0	78,242
Gain (Loss) on Fair Value Hedge Ineffectiveness, Net	6,208	362	(109)	362
Gain (Loss) on Fair Value Hedges Recognized in Earnings	33,409	22,181	20,986	166
Operating Expenses (Increase) [Member]
Trading Activity, Gains and Losses, Net [Line Items]
Gain (Loss) on Sale of Derivatives				(166)
Revenues (decrease) [Member]
Trading Activity, Gains and Losses, Net [Line Items]
Derivative Instruments, Loss Recognized in Other Comprehensive Income (Loss), Effective Portion	(144,635)		(257,711)	22,053
Gain (Loss) on Sale of Derivatives	(44,936)		(99,228)
Gain (Loss) on Fair Value Hedge Ineffectiveness, Net	$ (3,531)		$ (1,876)
HEP [Member] | Interest Rate Contract [Member]
Trading Activity, Gains and Losses, Net [Line Items]
Debt Instrument, Basis Spread on Variable Rate	2.00%		2.00%