Consolidated Balance Sheets (Unaudited) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Current assets:
Cash and cash equivalents (HEP: $6,066 and $6,352, respectively)	$ 1,118,302	$ 940,103
Marketable securities	679,668	725,160
Total cash, cash equivalents and short-term marketable securities	1,797,970	1,665,263
Accounts receivable: Product and transportation (HEP: $34,359 and $34,736, respectively)	731,673	665,098
Crude oil resales	48,507	43,704
Accounts receivable, total	780,180	708,802
Inventories: Crude oil and refined products	1,424,560	1,241,448
Materials and supplies (HEP: $1,582 and $1,591, respectively)	80,272	112,799
Inventories, total	1,504,832	1,354,247
Income taxes receivable	18,875	109,376
Prepayments and other (HEP: $2,164 and $2,283, respectively)	134,274	58,756
Total current assets	4,236,131	3,896,444
Properties, plants and equipment, at cost (HEP: $1,234,342 and $1,199,594, respectively)	4,562,824	4,343,857
Less accumulated depreciation (HEP: $(222,381) and $(194,619), respectively)	(1,070,081)	(949,261)
Property, plants and equipment, net	3,492,743	3,394,596
Marketable securities (long-term)	0
Other assets: Turnaround costs	222,929	258,436
Goodwill (HEP: $288,991 and $288,991, respectively)	2,331,922	2,331,922
Intangibles and other (HEP: $71,829 and $74,979, respectively)	174,658	175,341
Other assets, total	2,729,509	2,765,699
Total assets	10,458,383	10,056,739
Current liabilities:
Accounts payable (HEP: $17,706 and $22,898, respectively)	1,624,953	1,325,376
Accrued liabilities (HEP: $26,527 and $28,668, respectively)	125,761	125,115
Deferred income tax liabilities	216,981	223,999
Total current liabilities	1,967,695	1,674,490
Long-term debt (HEP: $839,253 and $807,630, respectively)	1,027,885	997,519
Deferred income taxes (HEP: $5,312 and $5,287, respectively)	657,465	616,842
Other long-term liabilities (HEP: $38,585 and $35,918, respectively)	138,719	158,490
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, 2014 and December 31, 2013	2,560	2,560
Additional capital	4,004,642	3,990,630
Retained earnings	3,149,849	3,144,480
Accumulated other comprehensive income (loss)	75,440	822
Common stock held in treasury, at cost - 57,411,351 and 57,132,515 shares as of June 30, 2014 and December 31, 2013, respectively	(1,158,959)	(1,138,872)
Total HollyFrontier stockholders' equity	6,073,532	5,999,620
Noncontrolling interest	593,087	609,778
Total equity	6,666,619	6,609,398
Total liabilities and equity	10,458,383	10,056,739
HEP [Member]
Current assets:
Cash and cash equivalents (HEP: $6,066 and $6,352, respectively)	6,066	6,352
Accounts receivable: Product and transportation (HEP: $34,359 and $34,736, respectively)	34,359	34,736
Materials and supplies (HEP: $1,582 and $1,591, respectively)	1,582	1,591
Prepayments and other (HEP: $2,164 and $2,283, respectively)	2,164	2,283
Properties, plants and equipment, at cost (HEP: $1,234,342 and $1,199,594, respectively)	1,234,342	1,199,594
Less accumulated depreciation (HEP: $(222,381) and $(194,619), respectively)	(222,381)	(194,619)
Goodwill (HEP: $288,991 and $288,991, respectively)	288,991	288,991
Intangibles and other (HEP: $71,829 and $74,979, respectively)	71,829	74,979
Total assets	1,416,952	1,413,908
Current liabilities:
Accounts payable (HEP: $17,706 and $22,898, respectively)	17,706	22,898
Accrued liabilities (HEP: $26,527 and $28,668, respectively)	26,527	28,668
Long-term debt (HEP: $839,253 and $807,630, respectively)	839,253	807,630
Deferred income taxes (HEP: $5,312 and $5,287, respectively)	5,312	5,287
Other long-term liabilities (HEP: $38,585 and $35,918, respectively)	$ 38,585	$ 35,918