Consolidated Statements Of Cash Flows (USD $) In Thousands	9 Months Ended
	Sep. 30, 2011		Sep. 30, 2010
Cash flows from operating activities:
Net income	$ 823,855		$ 108,802
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	106,380		85,719
Earnings of equity method investments, net of distributions	198		406
Deferred income taxes	4,520		5,512
Equity based compensation expense	15,535		7,814
Change in fair value - derivative instruments	(5,920)		1,464
(Increase) decrease in current assets:
Accounts receivable	389,289		43,984
Inventories	(195,575)		(110,502)
Income taxes receivable	51,034		11,803
Prepayments and other	7,778		(304)
Current assets of discontinued operations			2,195
Increase (decrease) in current liabilities:
Accounts payable	(297,080)		69,030
Income taxes payable	182,468
Accrued liabilities	28,999		17,971
Turnaround expenditures	(27,985)		(11,453)
Other, net	5,707		3,527
Net cash provided by operating activities	1,089,203		235,968
Cash flows from investing activities:
Additions to properties, plants and equipment	(242,730)		(119,885)
Increase in cash due to merger with Frontier	872,158
Investment in Sabine Biofuels	(9,125)
Purchases of marketable securities	(370,042)
Sales and maturities of marketable securities	194,386
Net cash provided by (used for) investing activities	413,154		(127,939)
Cash flows from financing activities:
Borrowings under credit agreement			310,000
Repayments under credit agreement			(310,000)
Principal tender on 8.5% senior notes	(15)
Repayments under financing obligation	(857)		(760)
Purchase of treasury stock	(38,955)	[1]	(1,308)
Contribution from joint venture partner	27,500		9,500
Dividends	(129,377)		(23,889)
Distributions to noncontrolling interest	(37,929)		(36,139)
Excess tax benefit from equity based compensation	1,399		(1,313)
Purchase of units for restricted grants	(1,641)		(2,276)
Deferred financing costs	(11,724)		(3,121)
Issuance of common stock upon exercise of options			61
Net cash provided by (used for) financing activities	(148,599)		39,295
Cash and cash equivalents:
Increase for the period	1,353,758		147,324
Beginning of period	229,101		124,596
End of period	1,582,859		271,920
Cash paid during the period for:
Interest	50,570		49,051
Income taxes	225,499		45,040
HEP [Member]
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	21,870		20,822
Cash flows from investing activities:
Additions to properties, plants and equipment	(31,493)		(8,054)
Cash flows from financing activities:
Borrowings under credit agreement	93,000		52,000
Repayments under credit agreement	(50,000)		(101,000)
Proceeds from issuance of senior notes			147,540
Purchase of units for restricted grants	(1,641)		(2,276)
Cash and cash equivalents:
Beginning of period	403
End of period	$ 1,802

[1] Includes 723,274 shares purchased under the terms of restricted stock agreements to provide funds for the payment of payroll and income taxes due at vesting of restricted stock.