Other Comprehensive Income (Loss) (Accumulated Other Comprehensive Loss In Equity) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Income (loss) before income taxes	$ (430,515)	$ 580,177	$ (364,817)	$ 952,566
Income tax expense (benefit)	(38,045)	206,990	(15,737)	336,718
Sales and other revenues	2,714,638	3,701,912	4,733,362	6,708,538
Gain (Loss) on Derivative Instruments, Net, Pretax	(22,180)	14,532	(33,506)	18,954
Operating expenses	251,336	246,165	503,919	509,761
Interest expense	(14,251)	(10,559)	(26,338)	(20,713)
Net of tax and noncontrolling interest	(409,368)	360,824	(388,115)	587,700
Other comprehensive income (loss), net of tax	10,334	(3,547)	9,648	(15,523)
Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Other comprehensive income (loss), net of tax	(13,623)	8,785	(20,635)	11,391
Reclassification out of Accumulated Other Comprehensive Income [Member] | Accumulated Net Investment Gain (Loss) Attributable to Parent [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Interest income	0	6	(23)	4
Gain on sale of assets			0	42
Income (loss) before income taxes			(23)	46
Income tax expense (benefit)	0	2	(9)	18
Net income	0	4	(14)	28
Reclassification out of Accumulated Other Comprehensive Income [Member] | Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Income (loss) before income taxes	(22,293)	14,004	(33,849)	17,895
Income tax expense (benefit)	(8,601)	5,543	(13,019)	7,174
Net income	(13,692)	8,461	(20,830)	10,721
Noncontrolling interest	69	320	209	642
Net of tax and noncontrolling interest	(13,623)	8,781	(20,621)	11,363
Reclassification out of Accumulated Other Comprehensive Income [Member] | Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member] | Commodity Contract [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Sales and other revenues			(20,653)	98,932
Cost of products			0	(71,733)
Operating expenses			(12,853)	(8,245)
Reclassification out of Accumulated Other Comprehensive Income [Member] | Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member] | Interest Rate Swap [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Interest expense	(113)	(528)	(343)	(1,059)
HEP [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Gain (Loss) on Derivative Instruments, Net, Pretax	(142)	222	(595)	(527)
Cost of Sales [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member] | Commodity Contract [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Gain (Loss) on Derivative Instruments, Net, Pretax	$ (15,897)	$ (30,964)	$ (20,653)	$ (71,733)