Consolidated Statements Of Cash Flows - USD ($)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Cash flows from operating activities:
Net income (loss)	$ 1,177,224,000	$ 881,242,000	$ (190,945,000)
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	437,324,000	409,937,000	363,027,000
Goodwill and long-lived asset impairment	0	19,247,000	654,084,000
Lower of cost or market inventory valuation adjustment	136,305,000	(108,685,000)	(291,938,000)
Earnings of equity method investments, inclusive of distributions	(149,000)	1,450,000	961,000
Loss on early extinguishment of debt attributable to unamortized discount/premium	0	2,475,000	8,718,000
Remeasurement gain on HEP pipeline interest acquisitions	0	(36,254,000)	0
Loss (gain) on sale of assets	2,171,000	508,000	(72,000)
Deferred income taxes	76,969,000	(137,522,000)	98,592,000
Equity-based compensation expense	42,172,000	42,337,000	25,561,000
Change in fair value – derivative instruments	(31,515,000)	(4,265,000)	(12,155,000)
Excess tax expense from equity-based compensation	0	0	(4,209,000)
(Increase) decrease in current assets:
Accounts receivable	35,793,000	(115,322,000)	(127,221,000)
Inventories	136,551,000	(162,297,000)	(1,869,000)
Income taxes receivable	7,752,000	50,601,000	(68,371,000)
Prepayments and other	(10,340,000)	(6,753,000)	16,555,000
Increase (decrease) in current liabilities:
Accounts payable	(326,030,000)	188,975,000	247,603,000
Income taxes payable	15,281,000	(18,525,000)	(8,142,000)
Accrued liabilities	53,281,000	57,227,000	16,142,000
Turnaround expenditures	(217,228,000)	(135,104,000)	(125,254,000)
Other, net	18,855,000	22,118,000	5,881,000
Net cash provided by operating activities	1,554,416,000	951,390,000	606,948,000
Cash flows from investing activities:
Additions to properties, plants and equipment	(256,888,000)	(227,449,000)	(372,195,000)
Purchase of Red Giant Oil, net of cash acquired	(54,179,000)	0	0
Purchase of PCLI, net of cash acquired	0	(870,627,000)	0
Proceeds from sale of assets	3,100,000	1,377,000	849,000
Purchases of marketable securities	0	(41,565,000)	(546,632,000)
Sales and maturities of marketable securities	0	465,716,000	266,603,000
Other, net	1,588,000	3,134,000	0
Net cash used for investing activities	(360,520,000)	(959,670,000)	(801,597,000)
Cash flows from financing activities:
Proceeds from issuance of senior notes	0	0	992,550,000
Proceeds from issuance of term loan - HFC	0	0	350,000,000
Repayment of term loan - HFC	0	0	(350,000,000)
Proceeds (repayments) of financing arrangements	32,547,000	0	(39,500,000)
Proceeds from issuance of common units - HEP	114,759,000	52,110,000	125,870,000
Purchase of treasury stock	(363,437,000)	(15,926,000)	(138,107,000)
Dividends	(233,544,000)	(235,508,000)	(234,004,000)
Distributions to noncontrolling interest	(125,653,000)	(110,351,000)	(92,607,000)
Other, net	0	(13,955,000)	(10,507,000)
Net cash provided by (used for) financing activities	(664,328,000)	(72,630,000)	838,695,000
Effect of exchange rate on cash flow	(5,573,000)	1,088,000	0
Cash and cash equivalents:
Increase (decrease) for the period	523,995,000	(79,822,000)	644,046,000
Beginning of period	630,757,000	710,579,000	66,533,000
End of period	1,154,752,000	630,757,000	710,579,000
Cash paid during the period for:
Interest	(130,106,000)	(124,375,000)	(54,074,000)
Income taxes, net	(252,644,000)	(93,272,000)	(40,236,000)
HEP
Cash flows from investing activities:
Additions to properties, plants and equipment	(54,141,000)	(44,810,000)	(107,595,000)
Purchase of pipeline interests, net of cash acquired - HEP	0	(245,446,000)	(42,627,000)
Cash flows from financing activities:
Borrowings under credit agreement	337,000,000	995,000,000	869,000,000
Repayments under credit agreement	(426,000,000)	(536,000,000)	(1,028,000,000)
Proceeds from issuance of senior notes	0	101,750,000	394,000,000
Redemption of senior notes - HEP	0	(309,750,000)	$ 0
Cash and cash equivalents:
Beginning of period	7,776,000
End of period	$ 3,045,000	$ 7,776,000