Consolidated Balance Sheets (Unaudited) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Current assets:
Cash and cash equivalents (HEP: $4,879 and $6,352, respectively)	$ 1,074,635	$ 940,103
Marketable securities	709,468	725,160
Total cash, cash equivalents and short-term marketable securities	1,784,103	1,665,263
Accounts receivable: Product and transportation (HEP: $34,425 and $34,736, respectively)	668,105	665,098
Crude oil resales	20,233	43,704
Accounts receivable, total	688,338	708,802
Inventories: Crude oil and refined products	1,501,121	1,241,448
Materials and supplies (HEP: $1,594 and $1,591, respectively)	89,171	112,799
Inventories, total	1,590,292	1,354,247
Income taxes receivable	12,431	109,376
Prepayments and other (HEP: $1,905 and $2,283, respectively)	110,345	58,756
Total current assets	4,185,509	3,896,444
Properties, plants and equipment, at cost (HEP: $1,212,988 and $1,199,594, respectively)	4,442,736	4,343,857
Less accumulated depreciation (HEP: $(207,911) and $(194,619), respectively)	(1,000,437)	(949,261)
Property, plants and equipment, net	3,442,299	3,394,596
Marketable securities (long-term)	6,050	0
Other assets: Turnaround costs	239,423	258,436
Goodwill (HEP: $288,991 and $288,991, respectively)	2,331,922	2,331,922
Intangibles and other (HEP: $73,664 and $74,979, respectively)	175,355	175,341
Other assets, total	2,746,700	2,765,699
Total assets	10,380,558	10,056,739
Current liabilities:
Accounts payable (HEP: $15,753 and $22,898, respectively)	1,570,973	1,325,376
Accrued liabilities (HEP: $14,107 and $28,668, respectively)	121,003	125,115
Deferred income tax liabilities	224,534	223,999
Total current liabilities	1,916,510	1,674,490
Long-term debt (HEP: $833,790 and $807,630, respectively)	1,023,057	997,519
Deferred income taxes (HEP: $5,312 and $5,287, respectively)	644,333	616,842
Other long-term liabilities (HEP: $37,395 and $35,918, respectively)	148,157	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 March 31, 2014 and December 31, 2013	2,560	2,560
Additional capital	3,998,926	3,990,630
Retained earnings	3,136,871	3,144,480
Accumulated other comprehensive income (loss)	54,064	822
Common stock held in treasury, at cost - 57,179,060 and 57,132,515 shares as of March 31, 2014 and December 31, 2013, respectively	(1,147,335)	(1,138,872)
Total HollyFrontier stockholders' equity	6,045,086	5,999,620
Noncontrolling interest	603,415	609,778
Total equity	6,648,501	6,609,398
Total liabilities and equity	10,380,558	10,056,739
HEP [Member]
Current assets:
Cash and cash equivalents (HEP: $4,879 and $6,352, respectively)	4,879	6,352
Accounts receivable: Product and transportation (HEP: $34,425 and $34,736, respectively)	34,425	34,736
Materials and supplies (HEP: $1,594 and $1,591, respectively)	1,594	1,591
Prepayments and other (HEP: $1,905 and $2,283, respectively)	1,905	2,283
Properties, plants and equipment, at cost (HEP: $1,212,988 and $1,199,594, respectively)	1,212,988	1,199,594
Less accumulated depreciation (HEP: $(207,911) and $(194,619), respectively)	(207,911)	(194,619)
Goodwill (HEP: $288,991 and $288,991, respectively)	288,991	288,991
Intangibles and other (HEP: $73,664 and $74,979, respectively)	73,664	74,979
Total assets	1,410,535	1,413,908
Current liabilities:
Accounts payable (HEP: $15,753 and $22,898, respectively)	15,753	22,898
Accrued liabilities (HEP: $14,107 and $28,668, respectively)	14,107	28,668
Long-term debt (HEP: $833,790 and $807,630, respectively)	833,790	807,630
Deferred income taxes (HEP: $5,312 and $5,287, respectively)	5,312	5,287
Other long-term liabilities (HEP: $37,395 and $35,918, respectively)	$ 37,395	$ 35,918