Consolidated Statements Of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011
Cash flows from operating activities:
Net income	$ 749,390	$ 292,844
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	113,050	63,140
Earnings of equity method investments, net of distributions	(104)	(82)
Gain on sale of marketable equity securities	(326)	0
Deferred income taxes	(2,683)	(3,568)
Equity based compensation expense	17,491	5,562
Change in fair value - derivative instruments	10,289	7,155
(Increase) decrease in current assets:
Accounts receivable	103,674	(38,017)
Inventories	(195,200)	(94,933)
Income taxes receivable	365	51,034
Prepayments and other	17,928	(13,088)
Increase (decrease) in current liabilities:
Accounts payable	(418,937)	160,760
Income taxes payable	121,899	23,002
Accrued liabilities	(34,870)	16,712
Turnaround expenditures	(46,995)	(19,824)
Other, net	(5,468)	7,299
Net cash provided by operating activities	429,503	457,996
Cash flows from investing activities:
Additions to properties, plants and equipment	(116,012)	(133,405)
Investment in Sabine Biofuels	(2,000)	(9,125)
Purchases of marketable securities	(166,429)	(157,782)
Sales and maturities of marketable securities	(151,996)	(68,150)
Net cash used for investing activities	(144,453)	(255,062)
Cash flows from financing activities:
Principal tender on senior notes	(5,000)	0
Purchase of treasury stock	189,771	2,996
Net prepayment related to structured share repurchase arrangement	(100,000)	0
Contribution from joint venture partner	6,000	16,500
Dividends	(249,958)	(15,984)
Excess tax benefit from equity based compensation	4,762	498
Deferred financing costs	(3,229)	(3,289)
Other	(833)	(563)
Net cash provided by (used for) financing activities	(491,756)	(5,346)
Cash and cash equivalents:
Increase (decrease) for the period	(206,706)	197,588
Beginning of period	1,578,904	229,101
End of period	1,372,198	426,689
Cash paid during the period for:
Interest	48,928	34,264
Income taxes	301,854	89,935
HEP [Member]
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	18,587	14,544
Cash flows from investing activities:
Additions to properties, plants and equipment	(12,008)	(22,900)
Cash flows from financing activities:
Borrowings under credit agreement - HEP	99,000	64,000
Repayments under credit agreement - HEP	(129,000)	(37,000)
Net proceeds from issuance of senior notes - HEP	294,750	0
Principal tender on senior notes	(185,000)	0
Distributions to noncontrolling interest	(28,944)	(25,133)
Purchase of units for incentive grants - HEP	(4,533)	(1,379)
Cash and cash equivalents:
Beginning of period	3,269
End of period	$ 4,216