Consolidated Statements Of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013		Mar. 31, 2012
Cash flows from operating activities:
Net income	$ 343,371		$ 247,020
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	71,762		56,102
Earnings of equity method investments, net of distributions	628		34
Deferred income taxes	(20,533)		(2,464)
Equity based compensation expense	8,580		9,485
Change in fair value - derivative instruments	(53,745)		12,122
(Increase) decrease in current assets:
Accounts receivable	(22,294)		(25,247)
Inventories	(151,168)		(230,536)
Income taxes receivable	37,053		365
Prepayments and other	3,866		(1,831)
Increase (decrease) in current liabilities:
Accounts payable	(40,964)		124,235
Income taxes payable	151,403		111,846
Accrued liabilities	(9,846)		(46,358)
Turnaround expenditures	(69,835)		(21,762)
Other, net	285		20,894
Net cash provided by operating activities	248,563		253,905
Cash flows from investing activities:
Additions to properties, plants and equipment	(66,951)		(47,133)
Proceeds from Sale of Property, Plant, and Equipment	2,290		0
Investment in Sabine Biofuels	0		(1,200)
Purchases of marketable securities	(178,251)		(106,573)
Sales and maturities of marketable securities	(143,280)		(100,480)
Net cash provided by (used for) investing activities	(104,645)		(68,680)
Cash flows from financing activities:
Proceeds from Sale of HEP Common Units	73,444		0
Proceeds from Common Unit Offering HEP	73,444		0
Purchase of treasury stock	(6,610)		(62,532)
Contribution from joint venture partner	0		5,500
Dividends	(102,163)		(126,019)
Excess tax benefit from equity based compensation	744		3,792
Deferred financing costs	0		(1,123)
Other	2,973		(512)
Net cash used for financing activities	(29,175)		(104,579)
Cash and cash equivalents:
Increase for the period	114,743		80,646
Beginning of period	1,757,699		1,578,904
End of period	1,872,442		1,659,550
Cash paid during the period for:
Interest	20,825		24,422
Income taxes	17,380		27,006
HEP [Member]
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	13,749	[1]	13,395	[1]
Cash flows from investing activities:
Additions to properties, plants and equipment	(5,013)		(14,254)
Proceeds from Sale of Property, Plant, and Equipment	2,290
Cash flows from financing activities:
Borrowings under credit agreement - HEP	57,000		36,000
Repayments under credit agreement - HEP	(110,000)		(81,000)
Net proceeds from issuance of senior notes - HEP	0		294,750
Principal tender on senior notes	0		(157,761)
Proceeds from Sale of HEP Common Units	73,444
Proceeds from Common Unit Offering HEP	73,444
Distributions to noncontrolling interest	(15,288)		(14,391)
Purchase of units for incentive grants - HEP	(2,719)		(1,283)
Cash and cash equivalents:
Beginning of period	5,237
End of period	$ 18,193

[1] HEP acquired our 75% interest in UNEV in July 2012. As a result, we have recast our HEP segment information for the three months ended March 31, 2012 to include the UNEV Pipeline operations as a consolidated subsidiary of HEP. The UNEV Pipeline operations were previously presented under Corporate and Other.