Segment Information (Schedule Of Segment Reporting Information) (Details) - USD ($) $ in Thousands	3 Months Ended																12 Months Ended
	Dec. 31, 2018		Sep. 30, 2018		Jun. 30, 2018		Mar. 31, 2018		Dec. 31, 2017		Sep. 30, 2017		Jun. 30, 2017		Mar. 31, 2017		Dec. 31, 2018		Dec. 31, 2017		Dec. 31, 2016
Segment Reporting Information [Line Items]
Revenues from external customers	$ 4,344,204		$ 4,770,799		$ 4,471,236		$ 4,128,427		$ 3,992,705		$ 3,719,247		$ 3,458,864		$ 3,080,483		$ 17,714,666		$ 14,251,299		$ 10,535,700
Intersegment Revenues																	0		0		0
Revenues																	17,714,666		14,251,299		10,535,700
Cost of products sold (exclusive of lower of cost or market inventory valuation adjustment)																	13,940,782		11,467,873		8,766,027
Lower of cost or market inventory valuation adjustment	329,200		17,800						93,400				(84,000)		(11,800)		136,305		(108,685)		(291,938)
Operating Expenses																	1,285,838		1,296,669		1,021,152
Selling, General and Administrative Expense																	290,424		265,721		125,930
Depreciation, Depletion and Amortization																	437,324		409,937		363,027
Goodwill and long-lived asset impairment																	0		19,247		654,084
Income (loss) from operations	217,652	[1]	$ 503,517	[1]	$ 506,977	[1]	$ 395,847	[1]	364,830	[2],[3]	$ 448,413	[2],[3]	$ 120,830	[2],[3]	$ (33,536)	[2],[3]	1,623,993	[1]	900,537	[2],[3]	(102,582)
Income from Equity Method Investments																	5,825		12,510		14,213
Asset Impairment Charges																			19,247
Capital expenditures																	311,029		272,259		479,790
Total assets	10,994,601								10,692,154								10,994,601		10,692,154		9,435,661
Refining
Segment Reporting Information [Line Items]
Revenues from external customers																	15,806,304		12,579,672		10,002,831
Intersegment Revenues																	370,259		338,390		317,884
Revenues																	16,176,563		12,918,062		10,320,715
Cost of products sold (exclusive of lower of cost or market inventory valuation adjustment)																	13,250,849		11,009,419		9,003,605
Lower of cost or market inventory valuation adjustment																	136,305		(107,479)		(287,848)
Operating Expenses																	1,055,209		1,008,859		911,829
Selling, General and Administrative Expense																	113,641		103,246		92,515
Depreciation, Depletion and Amortization																	284,439		289,434		281,701
Goodwill and long-lived asset impairment																					654,084
Income (loss) from operations																	1,336,120		595,336		(335,171)
Income from Equity Method Investments																	0		0		0
Asset Impairment Charges																			19,247
Capital expenditures																	202,791		176,533		357,407
Total assets	6,465,155								6,474,666								6,465,155		6,474,666		6,048,091
Lubricants and Specialty Products
Segment Reporting Information [Line Items]
Revenues from external customers																	1,799,506		1,594,036		464,359
Intersegment Revenues																	13,197		0		0
Revenues																	1,812,703		1,594,036		464,359
Cost of products sold (exclusive of lower of cost or market inventory valuation adjustment)																	1,381,540		1,093,984		377,136
Lower of cost or market inventory valuation adjustment																	0		(1,206)		(4,090)
Operating Expenses																	167,820		222,461		13,867
Selling, General and Administrative Expense																	143,750		105,666		2,899
Depreciation, Depletion and Amortization																	43,255		31,894		620
Goodwill and long-lived asset impairment																					0
Income (loss) from operations																	76,338		141,237		73,927
Income from Equity Method Investments																	0		0		0
Asset Impairment Charges																			0
Capital expenditures																	37,448		31,464		5,708
Total assets	1,506,209								1,610,472								1,506,209		1,610,472		465,715
HEP
Segment Reporting Information [Line Items]
Revenues from external customers																	108,412		77,225		68,927
Intersegment Revenues																	397,808		377,137		333,116
Revenues																	506,220		454,362		402,043
Cost of products sold (exclusive of lower of cost or market inventory valuation adjustment)																	0		0		0
Lower of cost or market inventory valuation adjustment																	0		0		0
Operating Expenses																	146,430		137,856		124,192
Selling, General and Administrative Expense																	11,041		14,336		12,557
Depreciation, Depletion and Amortization																	98,492		77,660		68,811
Goodwill and long-lived asset impairment																					0
Income (loss) from operations																	250,257		224,510		196,483
Income from Equity Method Investments																	5,825		12,510		14,213
Asset Impairment Charges																			0
Capital expenditures																	54,141		44,810		107,595
Total assets	2,142,027								2,191,984								2,142,027		2,191,984		1,920,487
Corporate and Other
Segment Reporting Information [Line Items]
Revenues from external customers																	444		366		(417)
Intersegment Revenues																	(781,264)		(715,527)		(651,000)
Revenues																	(780,820)		(715,161)		(651,417)
Cost of products sold (exclusive of lower of cost or market inventory valuation adjustment)																	(691,607)		(635,530)		(614,714)
Lower of cost or market inventory valuation adjustment																	0		0		0
Operating Expenses																	(83,621)		(72,507)		(28,736)
Selling, General and Administrative Expense																	21,992		42,473		17,959
Depreciation, Depletion and Amortization																	11,138		10,949		11,895
Goodwill and long-lived asset impairment																					0
Income (loss) from operations																	(38,722)		(60,546)		(37,821)
Income from Equity Method Investments																	0		0		0
Asset Impairment Charges																			0
Capital expenditures																	16,649		19,452		9,080
Total assets	$ 881,210								$ 415,032								$ 881,210		$ 415,032		$ 1,001,368

[1] For 2018, income from operations reflects non-cash lower of cost or market inventory valuation reductions of $103.8 million and $106.9 million for the first and second quarters, respectively, and a charge of $17.8 million and $329.2 million for the third and fourth quarters, respectively.

[2] For 2017, income from operations reflects long-lived asset impairment charges of $23.2 million in the second quarter.

[3] For 2017, income from operations reflects non-cash lower of cost or market inventory valuation charges of $11.8 million and $84.0 million for the first and second quarters, respectively, and a reduction of $111.1 million and $93.4 million for the third and fourth quarters, respectively.