Consolidated Balance Sheets (USD $)	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2012 HEP	Dec. 31, 2011 HEP	Jul. 12, 2012 UNEV Pipeline
Current assets:
Cash and cash equivalents (HEP: $5,237 and $6,369, respectively)	$ 1,757,699,000	$ 1,578,904,000	$ 5,237,000	$ 6,369,000
Marketable securities	630,586,000	211,639,000
Accounts receivable: Product and transportation (HEP: $38,097 and $37,290, respectively)	587,728,000	703,691,000	38,097,000	37,290,000
Crude oil resales	46,502,000	5,166,000
Accounts receivable, total	634,230,000	708,857,000
Inventories: Crude oil and refined products	1,238,678,000	1,052,084,000
Materials, supplies and other (HEP: $1,259 and $1,483, respectively)	80,954,000	62,535,000	1,259,000	1,483,000
Total inventory	1,319,632,000	1,114,619,000
Income taxes receivable	74,957,000	87,277,000
Prepayments and other (HEP: $2,360 and $2,246, respectively)	53,161,000	219,450,000	2,360,000	2,246,000
Total current assets	4,470,265,000	3,920,746,000
Properties, plants and equipment, at cost (HEP: $1,155,710 and $1,099,579, respectively)	3,943,114,000	3,631,787,000	1,155,710,000	1,099,579,000
Less accumulated depreciation (HEP: $(141,154) and $(93,200), respectively)	(748,414,000)	(578,882,000)	(141,154,000)	(93,200,000)
Property, plant and equipment, net	3,194,700,000	3,052,905,000
Marketable securities (long-term)	5,116,000	50,067,000
Other assets: Turnaround costs	151,764,000	57,060,000
Goodwill (HEP: $288,991 and $288,991, respectively)	2,338,302,000	2,336,510,000	288,991,000	288,991,000
Intangibles and other (HEP: $76,300 and $75,902, respectively)	168,850,000	158,955,000	76,300,000	75,902,000
Other assets, total	2,658,916,000	2,552,525,000
Total assets	10,328,997,000	9,576,243,000
Current liabilities:
Accounts payable (HEP: $12,030 and $21,709, respectively)	1,314,151,000	1,504,694,000	12,030,000	21,709,000
Income taxes payable	0	40,366,000
Accrued liabilities (HEP: $23,705 and $16,006, respectively)	195,077,000	169,940,000	23,705,000	16,006,000
Deferred income tax liabilities	145,216,000	175,683,000
Total current liabilities	1,654,444,000	1,890,683,000
Long-term debt (HEP: $864,673 and $598,761, respectively)	1,336,238,000	1,214,742,000	864,673,000	598,761,000
Deferred income taxes	536,670,000	463,721,000
Other long-term liabilities (HEP: $28,683 and $4,000, respectively)	158,987,000	171,197,000	28,683,000	4,000,000
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 December 31, 2012 and December 31, 2011	2,560,000	2,563,000
Additional capital	3,911,353,000	3,859,367,000
Retained earnings	3,054,769,000	1,964,656,000
Accumulated other comprehensive income (loss)	(8,425,000)	77,873,000
Common stock held in treasury, at cost – 52,411,370 and 46,630,220 shares as of December 31, 2012 and December 31, 2011, respectively	(907,303,000)	(700,449,000)
Total HollyFrontier stockholders’ equity	6,052,954,000	5,204,010,000
Noncontrolling interest	589,704,000	631,890,000
Total equity	6,642,658,000	5,835,900,000
Total liabilities and equity	$ 10,328,997,000	$ 9,576,243,000
Equity method investment, ownership percentage					75.00%