Segment Information (Schedule Of Segment Reporting Information) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013	Dec. 31, 2013
Segment Reporting Information [Line Items]
Sales and other revenues	$ 5,372,600	$ 5,298,848	$ 10,163,653	$ 10,006,637
Depreciation and amortization	101,390	70,492	181,938	142,254
Income (loss) from operations	296,345	460,006	567,341	1,009,201
Capital expenditures	120,488	98,839	244,769	170,803
Cash, Cash Equivalents, And Total Investments In Marketable Securities	1,797,970		1,797,970		1,665,263
Total assets	10,458,383		10,458,383		10,056,739
Long-term Debt	1,027,885		1,027,885		997,519
Refining [Member]
Segment Reporting Information [Line Items]
Sales and other revenues	5,361,914	5,286,881	10,136,994	9,979,307
Depreciation and amortization	83,840	53,443	147,381	110,613
Income (loss) from operations	292,214	458,777	543,423	1,000,979
Capital expenditures	92,334	74,866	192,277	138,498
Cash, Cash Equivalents, And Total Investments In Marketable Securities	3,794		3,794		1,860
Total assets	7,442,830		7,442,830		7,094,558
Long-term Debt	0		0		0
Corporate And Other [Member]
Segment Reporting Information [Line Items]
Sales and other revenues	506	234	1,621	797
Depreciation and amortization	2,280	1,637	4,310	2,687
Income (loss) from operations	(27,802)	(32,646)	(53,357)	(58,618)
Capital expenditures	9,976	12,125	13,710	15,444
Cash, Cash Equivalents, And Total Investments In Marketable Securities	1,788,110		1,788,110		1,657,051
Total assets	1,905,000		1,905,000		1,881,119
Long-term Debt	188,632		188,632		189,889
Consolidations And Eliminations [Member]
Segment Reporting Information [Line Items]
Sales and other revenues	(64,844)	(63,388)	(136,998)	(125,072)
Depreciation and amortization	(207)	(207)	(414)	(414)
Income (loss) from operations	(531)	(517)	(1,054)	(1,026)
Capital expenditures	0	0	0	0
Cash, Cash Equivalents, And Total Investments In Marketable Securities	0		0		0
Total assets	(306,399)		(306,399)		(332,846)
Long-term Debt	0		0		0
HEP [Member]
Segment Reporting Information [Line Items]
Sales and other revenues	75,024	75,121	162,036	151,605
Depreciation and amortization	15,477	15,619	30,661	29,368
Income (loss) from operations	32,464	34,392	78,329	67,866
Capital expenditures	18,178	11,848	38,782	16,861
Cash, Cash Equivalents, And Total Investments In Marketable Securities	6,066		6,066		6,352
Total assets	1,416,952		1,416,952		1,413,908
Long-term Debt	$ 839,253		$ 839,253		$ 807,630