Segment Information (Schedule Of Segment Reporting Information) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Segment Reporting Information [Line Items]
Sales and other revenues	$ 4,826,801	$ 5,327,122	$ 5,298,848	$ 4,707,789	$ 5,147,507	$ 5,204,798	$ 4,806,681	$ 4,931,738	$ 20,160,560	$ 20,090,724	$ 15,439,528
Depreciation and amortization									303,446	242,868	159,707
Income (loss) from operations	87,123	149,750	460,006	549,195	673,141	978,304	813,137	419,564	1,246,074	2,884,146	1,731,548
Property, Plant and Equipment, Additions									425,127	335,263	374,241
Assets	10,056,739				10,328,997				10,056,739	10,328,997	9,576,243
Refining
Segment Reporting Information [Line Items]
Sales and other revenues									20,105,443	20,042,955	15,392,430
Depreciation and amortization									233,182	181,247	122,437
Income (loss) from operations									1,237,687	2,879,383	1,739,068
Property, Plant and Equipment, Additions									344,113	278,705	148,699
Assets	7,094,558				6,702,872				7,094,558	6,702,872	6,576,966
HEP
Segment Reporting Information [Line Items]
Sales and other revenues									307,053	288,501	212,995
Depreciation and amortization									64,701	57,789	33,288
Income (loss) from operations									133,522	133,723	110,102
Property, Plant and Equipment, Additions									51,856	44,929	216,215
Assets	1,413,908				1,426,800				1,413,908	1,426,800	1,418,660
Corporate and Other
Segment Reporting Information [Line Items]
Sales and other revenues									1,314	1,048	1,098
Depreciation and amortization									6,391	4,660	4,810
Income (loss) from operations									(123,030)	(126,840)	(117,677)
Property, Plant and Equipment, Additions									29,158	11,629	9,327
Assets	1,881,119				2,531,967				1,881,119	2,531,967	1,997,600
Consolidations and Eliminations
Segment Reporting Information [Line Items]
Sales and other revenues									(253,250)	(241,780)	(166,995)
Depreciation and amortization									(828)	(828)	(828)
Income (loss) from operations									(2,105)	(2,120)	55
Property, Plant and Equipment, Additions									0	0	0
Assets	$ (332,846)				$ (332,642)				$ (332,846)	$ (332,642)	$ (416,983)