Consolidated Balance Sheets (Unaudited) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Current assets:
Cash and cash equivalents (HEP: $1,667 and $6,352, respectively)	$ 856,026	$ 940,103
Marketable securities	623,480	725,160
Total cash, cash equivalents and short-term marketable securities	1,479,506	1,665,263
Accounts receivable: Product and transportation (HEP: $35,972 and $34,736, respectively)	627,846	665,098
Crude oil resales	62,405	43,704
Accounts receivable, total	690,251	708,802
Inventories: Crude oil and refined products	1,491,318	1,241,448
Materials and supplies (HEP: $1,793 and $1,591, respectively)	88,147	112,799
Inventories, total	1,579,465	1,354,247
Income taxes receivable	32,888	109,376
Prepayments and other (HEP: $2,626 and $2,283, respectively)	111,623	58,756
Total current assets	3,893,733	3,896,444
Properties, plants and equipment, at cost (HEP: $1,252,071 and $1,199,594, respectively)	4,680,470	4,343,857
Less accumulated depreciation (HEP: $(235,848) and $(194,619), respectively)	(1,120,205)	(949,261)
Property, plants and equipment, net	3,560,265	3,394,596
Other assets: Turnaround costs	217,796	258,436
Goodwill (HEP: $288,991 and $288,991, respectively)	2,331,781	2,331,922
Intangibles and other (HEP: $71,508 and $74,979, respectively)	178,195	175,341
Other assets, total	2,727,772	2,765,699
Total assets	10,181,770	10,056,739
Current liabilities:
Accounts payable (HEP: $15,084 and $22,898, respectively)	1,441,115	1,325,376
Accrued liabilities (HEP: $25,426 and $28,668, respectively)	122,933	125,115
Deferred income tax liabilities	222,701	223,999
Total current liabilities	1,786,749	1,674,490
Long-term debt (HEP: $851,416 and $807,630, respectively)	1,039,396	997,519
Deferred income taxes (HEP: $5,311 and $5,287, respectively)	659,666	616,842
Other long-term liabilities (HEP: $39,446 and $35,918, respectively)	135,111	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 September 30, 2014 and December 31, 2013	2,560	2,560
Additional capital	4,011,375	3,990,630
Retained earnings	3,162,173	3,144,480
Accumulated other comprehensive income (loss)	70,011	822
Common stock held in treasury, at cost - 59,764,477 and 57,132,515 shares as of September 30, 2014 and December 31, 2013, respectively	(1,271,962)	(1,138,872)
Total HollyFrontier stockholders' equity	5,974,157	5,999,620
Noncontrolling interest	586,691	609,778
Total equity	6,560,848	6,609,398
Total liabilities and equity	10,181,770	10,056,739
HEP [Member]
Current assets:
Cash and cash equivalents (HEP: $1,667 and $6,352, respectively)	1,667	6,352
Accounts receivable: Product and transportation (HEP: $35,972 and $34,736, respectively)	35,972	34,736
Materials and supplies (HEP: $1,793 and $1,591, respectively)	1,793	1,591
Prepayments and other (HEP: $2,626 and $2,283, respectively)	2,626	2,283
Properties, plants and equipment, at cost (HEP: $1,252,071 and $1,199,594, respectively)	1,252,071	1,199,594
Less accumulated depreciation (HEP: $(235,848) and $(194,619), respectively)	(235,848)	(194,619)
Goodwill (HEP: $288,991 and $288,991, respectively)	288,991	288,991
Intangibles and other (HEP: $71,508 and $74,979, respectively)	71,508	74,979
Total assets	1,418,780	1,413,908
Current liabilities:
Accounts payable (HEP: $15,084 and $22,898, respectively)	15,084	22,898
Accrued liabilities (HEP: $25,426 and $28,668, respectively)	25,426	28,668
Long-term debt (HEP: $851,416 and $807,630, respectively)	851,416	807,630
Deferred income taxes (HEP: $5,311 and $5,287, respectively)	5,311	5,287
Other long-term liabilities (HEP: $39,446 and $35,918, respectively)	$ 39,446	$ 35,918