Consolidated Statements Of Cash Flows - USD ($)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Cash flows from operating activities:
Net income (loss)	$ 881,242,000	$ (190,945,000)	$ 802,508,000
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	409,937,000	363,027,000	346,151,000
Goodwill and asset impairment	19,247,000	654,084,000	0
Lower of cost or market inventory valuation adjustment	(108,685,000)	(291,938,000)	226,979,000
Earnings of equity method investments, inclusive of distributions	1,450,000	961,000	8,613,000
(Gain) loss on early extinguishment of debt	2,475,000	8,718,000	(3,788,000)
Remeasurement gain on pipeline interest acquisition	(36,254,000)	0	0
Loss (gain) on sale of assets	508,000	(72,000)	(8,677,000)
Deferred income taxes	(137,522,000)	98,592,000	(146,136,000)
Equity-based compensation expense	42,337,000	25,561,000	30,367,000
Change in fair value – derivative instruments	(4,265,000)	(12,155,000)	38,525,000
Proceeds and Excess Tax Benefit from Share-based Compensation	0	(4,209,000)	0
(Increase) decrease in current assets:
Accounts receivable	(115,322,000)	(127,221,000)	238,392,000
Inventories	(162,297,000)	(1,869,000)	(33,717,000)
Income taxes receivable	50,601,000	(68,371,000)	11,719,000
Prepayments and other	(6,753,000)	16,555,000	13,291,000
Increase (decrease) in current liabilities:
Accounts payable	188,975,000	247,603,000	(406,339,000)
Income taxes payable	(18,525,000)	(8,142,000)	(11,500,000)
Accrued liabilities	57,227,000	16,142,000	(6,924,000)
Turnaround expenditures	(135,104,000)	(125,254,000)	(89,365,000)
Other, net	22,118,000	5,881,000	(24,231,000)
Net cash provided by operating activities	951,390,000	606,948,000	985,868,000
Cash flows from investing activities:
Additions to properties, plants and equipment	(227,449,000)	(372,195,000)	(483,034,000)
Purchase of PCLI, net of cash acquired	(870,627,000)	0	0
Proceeds from sale of assets	1,377,000	849,000	19,264,000
Purchases of marketable securities	(41,565,000)	(546,632,000)	(509,338,000)
Sales and maturities of marketable securities	465,716,000	266,603,000	839,513,000
Other, net	3,134,000	0	0
Net cash used for investing activities	(959,670,000)	(801,597,000)	(381,748,000)
Cash flows from financing activities:
Proceeds from issuance of senior notes	0	992,550,000	0
Net proceeds from issuance of term loan - HFC	0	350,000,000	0
Repayment of term loan	0	(350,000,000)	0
Redemption of senior notes - HFC	0	0	(155,156,000)
Repayment of financing obligation	0	(39,500,000)	0
Proceeds from issuance of common units - HEP	52,110,000	125,870,000	0
Purchase of treasury stock	0	(133,430,000)	(742,823,000)
Shares withheld for tax withholding obligations	(15,926,000)	(4,677,000)	(6,242,000)
Dividends	(235,508,000)	(234,004,000)	(246,908,000)
Distributions to noncontrolling interest	(110,351,000)	(92,607,000)	(83,268,000)
Other, net	(13,955,000)	(10,507,000)	(12,175,000)
Net cash used for financing activities	(72,630,000)	838,695,000	(1,105,572,000)
Effect of exchange rate on cash flow	1,088,000	0	0
Cash and cash equivalents:
Increase (decrease) for the period	(79,822,000)	644,046,000	(501,452,000)
Beginning of period	710,579,000	66,533,000	567,985,000
End of period	630,757,000	710,579,000	66,533,000
Cash (paid) received during the period for:
Interest	(124,375,000)	(54,074,000)	(46,442,000)
Income taxes, net	(93,272,000)	(40,236,000)	(586,447,000)
HEP
Cash flows from investing activities:
Additions to properties, plants and equipment	(44,810,000)	(107,595,000)	(193,121,000)
Purchase of pipeline interests - HEP	(245,446,000)	(42,627,000)	(55,032,000)
Cash flows from financing activities:
Borrowings under credit agreement	995,000,000	869,000,000	973,900,000
Repayments under credit agreement	(536,000,000)	(1,028,000,000)	(832,900,000)
Proceeds from issuance of senior notes	101,750,000	394,000,000	0
Redemption of senior notes - HEP	(309,750,000)	0	$ 0
Cash and cash equivalents:
Beginning of period	3,657,000
End of period	$ 7,776,000	$ 3,657,000