Consolidated Balance Sheets (USD $) In Thousands	Sep. 30, 2011	Dec. 31, 2010
Current assets:
Cash and cash equivalents (HEP: $1,802 and $403, respectively)	$ 1,582,859	$ 229,101
Marketable securities	133,445	1,343
Accounts receivable:
Product and transportation (HEP: $23,821 and $22,508, respectively)	584,792	299,081
Crude oil resales	756,891	694,035
Accounts receivable, total	1,341,683	993,116
Inventories:
Crude oil and refined products	1,168,129	353,636
Materials and supplies (HEP: $703 and $202, respectively)	97,390	46,731
Inventories, total	1,265,519	400,367
Income taxes receivable		51,034
Prepayments and other (HEP: $942 and $573, respectively)	55,582	28,474
Total current assets	4,379,088	1,703,435
Properties, plants and equipment, at cost (HEP: $583,852 and $552,398, respectively)	3,533,309	2,215,828
Less accumulated depreciation (HEP: $(80,604) and $(60,300), respectively)	(536,781)	(459,137)
Property, plant and equipment, net	2,996,528	1,756,691
Marketable securities (long-term)	43,049
Other assets:
Turnaround costs	62,043	69,533
Goodwill (HEP: $81,602 and $81,602)	2,317,756	81,602
Intangibles and other (HEP: $74,489 and $72,434, respectively)	117,999	90,214
Other assets, total	2,497,798	241,349
Total assets	9,916,463	3,701,475
Current liabilities:
Accounts payable (HEP: $7,683 and $10,238, respectively)	2,102,915	1,317,446
Income taxes payable	140,086
Accrued liabilities (HEP: $11,998 and $21,206, respectively)	137,839	72,409
Total current liabilities	2,380,840	1,389,855
Long-term debt (HEP: $527,213 and $482,271, respectively)	1,224,987	810,561
Deferred income taxes	511,083	131,935
Other long-term liabilities (HEP: $8,144 and $10,809, respectively)	138,763	80,985
HollyFrontier stockholders' equity:
Preferred stock, $1.00 par value - 5,000,000 shares authorized; none issued
Common stock $.01 par value - 320,000,000 shares authorized; 255,962,866 and 152,692,864 shares issued as of September 30, 2011 and December 31, 2010, respectively	2,560	1,526
Additional capital	3,895,618	193,615
Retained earnings	1,866,873	1,206,328
Accumulated other comprehensive loss	(12,700)	(26,246)
Common stock held in treasury, at cost - 46,728,003 and 46,163,488 shares as of September 30, 2011 and December 31, 2010, respectively	(697,421)	(677,804)
Total HollyFrontier stockholders' equity	5,054,930	697,419
Noncontrolling interest	605,860	590,720
Total equity	5,660,790	1,288,139
Total liabilities and equity	9,916,463	3,701,475
HEP [Member]
Current assets:
Cash and cash equivalents (HEP: $1,802 and $403, respectively)	1,802	403
Accounts receivable:
Product and transportation (HEP: $23,821 and $22,508, respectively)	23,821	22,508
Inventories:
Materials and supplies (HEP: $703 and $202, respectively)	703	202
Prepayments and other (HEP: $942 and $573, respectively)	942	573
Properties, plants and equipment, at cost (HEP: $583,852 and $552,398, respectively)	583,852	552,398
Less accumulated depreciation (HEP: $(80,604) and $(60,300), respectively)	(80,604)	(60,300)
Other assets:
Goodwill (HEP: $81,602 and $81,602)	81,602	81,602
Intangibles and other (HEP: $74,489 and $72,434, respectively)	74,489	72,434
Total assets	685,463	669,820
Current liabilities:
Accounts payable (HEP: $7,683 and $10,238, respectively)	7,683	10,238
Accrued liabilities (HEP: $11,998 and $21,206, respectively)	11,998	21,206
Long-term debt (HEP: $527,213 and $482,271, respectively)	527,213	482,271
Other long-term liabilities (HEP: $8,144 and $10,809, respectively)	$ 8,144	$ 10,809