Consolidated Balance Sheets (USD $)	Sep. 30, 2012		Dec. 31, 2011
Current assets:
Cash and cash equivalents (HEP: $1,993 and $6,369, respectively)	$ 2,057,408,000		$ 1,578,904,000
Marketable securities	280,409,000		211,639,000
Accounts receivable: Product and transportation (HEP: $42,832 and $37,290, respectively)	734,662,000		703,691,000
Crude oil resales	2,212,000		5,166,000
Accounts receivable, total	736,874,000		708,857,000
Inventories: Crude oil and refined products	1,406,147,000		1,052,084,000
Materials and supplies (HEP: $1,233 and $1,483, respectively)	79,303,000		62,535,000
Inventories, total	1,485,450,000		1,114,619,000
Income taxes receivable	40,548,000		87,277,000
Prepayments and other (HEP: $3,080 and $2,246, respectively)	31,232,000		219,450,000
Total current assets	4,631,921,000		3,920,746,000
Properties, plants and equipment, at cost (HEP: $1,122,334 and $1,099,579, respectively)	3,823,731,000		3,631,787,000
Less accumulated depreciation (HEP: $(127,408) and $(93,200), respectively)	(703,799,000)		(578,882,000)
Property, plant and equipment, net	3,119,932,000		3,052,905,000
Marketable securities (long-term)	5,519,000		50,067,000
Other assets: Turnaround costs	83,585,000		57,060,000
Goodwill (HEP: $288,991 and $288,991, respectively)	2,338,302,000		2,336,510,000
Intangibles and other (HEP: $76,096 and $75,902, respectively)	166,677,000		158,955,000
Other assets, total	2,588,564,000		2,552,525,000
Total assets	10,345,936,000		9,576,243,000
Current liabilities:
Accounts payable (HEP: $11,303 and $21,709, respectively)	1,530,714,000		1,504,694,000
Income taxes payable	150,899,000		40,366,000
Accrued liabilities (HEP: $19,315 and $16,006, respectively)	219,980,000		169,940,000
Deferred income tax liabilities	175,567,000		175,683,000
Total current liabilities	2,077,160,000		1,890,683,000
Long-term debt (HEP: $874,434 and $598,761, respectively)	1,346,227,000		1,214,742,000
Deferred income taxes	399,205,000		463,721,000
Other long-term liabilities (HEP: $7,574 and $4,000, respectively)	163,848,000		171,197,000
HollyFrontier stockholders' equity:
Preferred stock, $1.00 par value - 5,000,000 shares authorized; none issued	0		0
Common stock $.01 par value - 320,000,000 shares authorized; 255,962,866 shares issued as of June 30, 2012 and December 31, 2011	2,560,000		2,563,000
Additional capital	3,904,379,000		3,859,367,000
Retained earnings	2,806,117,000		1,964,656,000
Accumulated other comprehensive income (loss)	(62,521,000)		77,873,000
Common stock held in treasury, at cost - 52,417,146 and 46,630,220 shares as of September 30, 2012 and December 31, 2011, respectively	(886,259,000)		(700,449,000)
Total HollyFrontier stockholders' equity	5,764,276,000		5,204,010,000
Noncontrolling interest	595,220,000		631,890,000
Total equity	6,359,496,000		5,835,900,000
Total liabilities and equity	10,345,936,000		9,576,243,000
HEP [Member]
Current assets:
Cash and cash equivalents (HEP: $1,993 and $6,369, respectively)	1,993,000		6,369,000
Accounts receivable: Product and transportation (HEP: $42,832 and $37,290, respectively)	42,832,000		37,290,000
Materials and supplies (HEP: $1,233 and $1,483, respectively)	1,233,000		1,483,000
Prepayments and other (HEP: $3,080 and $2,246, respectively)	3,080,000		2,246,000
Properties, plants and equipment, at cost (HEP: $1,122,334 and $1,099,579, respectively)	1,122,334,000		1,099,579,000
Less accumulated depreciation (HEP: $(127,408) and $(93,200), respectively)	(127,408,000)		(93,200,000)
Goodwill (HEP: $288,991 and $288,991, respectively)	288,991,000		288,991,000
Intangibles and other (HEP: $76,096 and $75,902, respectively)	76,096,000		75,902,000
Total assets	1,409,151,000	[1]	1,418,660,000	[1]
Current liabilities:
Accounts payable (HEP: $11,303 and $21,709, respectively)	11,303,000		21,709,000
Accrued liabilities (HEP: $19,315 and $16,006, respectively)	19,315,000		16,006,000
Long-term debt (HEP: $874,434 and $598,761, respectively)	874,434,000		598,761,000
Other long-term liabilities (HEP: $7,574 and $4,000, respectively)	$ 7,574,000		$ 4,000,000

[1] HEP acquired our 75% interest in UNEV in July 2012. As a result, we have recast our HEP segment information to include the UNEV Pipeline operations as a consolidated subsidiary of HEP for all periods presented. For the three and nine months ended September 30, 2012, UNEV Pipeline revenues were $3.0 million and $10.8 million, respectively. The UNEV Pipeline was previously presented under Corporate and Other.