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, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Trading Activity, Gains and Losses, Net [Line Items]
Change in Fair Value Recognized in Other Comprehensive Income (Loss), Effective Portion	$ 27,049	$ (144,635)	$ 41,410	$ (257,711)
Gain (Loss) on Sale of Derivatives	21,737	(33,409)	766	(20,986)
Gain (Loss) on Fair Value Hedge Ineffectiveness, Net	1,246	2,677	2,873	(1,985)
(Gain) Loss Reclassified to Earnings Due to Settlements	(22,007)	33,409	(1,396)	20,986
Amortization Of Unrealized Gain (Loss) Attributable To Discontinued Commodity Hedges	270		630
Amortization of unrealized loss attributable to discontinued cash flow hedges	270	1,274	1,479	3,821
Other Comprehensive Income (Loss), Reclassification Adjustment on Derivatives Included in Net Income, Net of Tax	5,312	(111,226)	40,644	(236,725)
Cost of Sales [Member]
Trading Activity, Gains and Losses, Net [Line Items]
Gain (Loss) on Sale of Derivatives	32,874	11,527	28,271	78,242
Gain (Loss) on Fair Value Hedge Ineffectiveness, Net	(962)	6,208	730	(109)
Operating Expense [Member]
Trading Activity, Gains and Losses, Net [Line Items]
Gain (Loss) on Fair Value Hedge Ineffectiveness, Net	259		0
Amortization of unrealized loss attributable to discontinued cash flow hedges	(999)		(2,051)
Revenues (decrease) [Member]
Trading Activity, Gains and Losses, Net [Line Items]
Gain (Loss) on Sale of Derivatives	(10,138)	(44,936)	(25,454)	(99,228)
Gain (Loss) on Fair Value Hedge Ineffectiveness, Net	1,949	(3,531)	2,143	(1,876)
HEP [Member]
Trading Activity, Gains and Losses, Net [Line Items]
(Gain) Loss Reclassified to Earnings Due to Settlements	529	421	1,549	939
Amortization of unrealized loss attributable to discontinued cash flow hedges		$ 1,274	$ 849	$ 3,821