Supplemental Guarantor/Non-Guarantor Financial Information (Consolidating Statement of Income) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended								6 Months Ended	12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Jun. 30, 2013	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Condensed Financial Statements, Captions [Line Items]
Sales and other revenues	$ 4,826,801	$ 5,327,122	$ 5,298,848	$ 4,707,789	$ 5,147,507	$ 5,204,798	$ 4,806,681	$ 4,931,738		$ 20,160,560	$ 20,090,724	$ 15,439,528
Cost of products sold										17,392,227	15,840,643	12,680,078
Operating expenses										1,090,850	994,966	748,081
General and administrative										127,963	128,101	120,114
Depreciation and amortization										303,446	242,868	159,707
Total operating costs and expenses	4,739,678	5,177,372	4,838,842	4,158,594	4,474,366	4,226,494	3,993,544	4,512,174		18,914,486	17,206,578	13,707,980
Income (loss) from operations	87,123	149,750	460,006	549,195	673,141	978,304	813,137	419,564		1,246,074	2,884,146	1,731,548
Earnings (loss) of equity method investments										(2,072)	2,923	2,300
Interest income (expense)										(62,494)	(99,400)	(77,039)
Payments for Merger Related Costs										0	0	(15,114)
Gain on sale of marketable securities											326
Loss on early extinguishment of debt									(22,100)	(22,109)	0	0
Other income (expense) total										(86,675)	(96,151)	(89,853)
Income before income taxes										1,159,399	2,787,995	1,641,695
Income tax provision										391,576	1,027,962	581,991
Net income										767,823	1,760,033	1,059,704
Less net income attributable to noncontrolling interest										31,981	32,861	36,307
Net income attributable to HollyFrontier stockholders	62,902	82,290	256,981	333,669	391,604	600,373	493,499	241,696		735,842	1,727,172	1,023,397
Comprehensive income attributable to HollyFrontier stockholders										745,089	1,640,874	1,127,278
Parent
Condensed Financial Statements, Captions [Line Items]
Sales and other revenues										878	494	1,008
Cost of products sold										0	0	0
Operating expenses										0	0	0
General and administrative										113,231	118,860	111,093
Depreciation and amortization										5,548	4,172	4,165
Total operating costs and expenses										118,779	123,032	115,258
Income (loss) from operations										(117,901)	(122,538)	(114,250)
Earnings (loss) of equity method investments										1,280,868	2,921,077	1,771,022
Interest income (expense)										(15,849)	(41,564)	(38,619)
Payments for Merger Related Costs												(15,114)
Gain on sale of marketable securities											0
Loss on early extinguishment of debt										(22,109)
Other income (expense) total										1,242,910	2,879,513	1,717,289
Income before income taxes										1,125,009	2,756,975	1,603,039
Income tax provision										391,243	1,027,591	581,757
Net income										733,766	1,729,384	1,021,282
Less net income attributable to noncontrolling interest										0	0	0
Net income attributable to HollyFrontier stockholders										733,766	1,729,384	1,021,282
Comprehensive income attributable to HollyFrontier stockholders										743,013	1,643,086	1,125,163
Guarantor Restricted Subsidiaries
Condensed Financial Statements, Captions [Line Items]
Sales and other revenues										20,105,726	20,043,335	15,392,446
Cost of products sold										17,641,119	16,078,948	12,844,333
Operating expenses										995,194	906,098	687,381
General and administrative										2,752	1,519	2,445
Depreciation and amortization										247,514	181,735	123,082
Total operating costs and expenses										18,886,579	17,168,300	13,657,241
Income (loss) from operations										1,219,147	2,875,035	1,735,205
Earnings (loss) of equity method investments										52,752	49,347	38,546
Interest income (expense)										8,969	(3,631)	(2,729)
Payments for Merger Related Costs												0
Gain on sale of marketable securities											326
Loss on early extinguishment of debt										0
Other income (expense) total										61,721	46,042	35,817
Income before income taxes										1,280,868	2,921,077	1,771,022
Income tax provision										0	0	0
Net income										1,280,868	2,921,077	1,771,022
Less net income attributable to noncontrolling interest										0	0	0
Net income attributable to HollyFrontier stockholders										1,280,868	2,921,077	1,771,022
Comprehensive income attributable to HollyFrontier stockholders										1,258,370	2,728,675	1,945,142
Non- Guarantor Restricted Subsidiaries
Condensed Financial Statements, Captions [Line Items]
Sales and other revenues										153	174	74
Cost of products sold										0	0	0
Operating expenses										0	0	(362)
General and administrative										231	128	0
Depreciation and amortization										0	0	0
Total operating costs and expenses										231	128	(362)
Income (loss) from operations										(78)	46	436
Earnings (loss) of equity method investments										57,186	49,066	38,308
Interest income (expense)										542	676	54
Payments for Merger Related Costs												0
Gain on sale of marketable securities											0
Loss on early extinguishment of debt										0
Other income (expense) total										57,728	49,742	38,362
Income before income taxes										57,650	49,788	38,798
Income tax provision										0	0	0
Net income										57,650	49,788	38,798
Less net income attributable to noncontrolling interest										0	0	0
Net income attributable to HollyFrontier stockholders										57,650	49,788	38,798
Comprehensive income attributable to HollyFrontier stockholders										59,470	50,610	39,544
Eliminations From Consolidation Of Restricted Subsidiaries
Condensed Financial Statements, Captions [Line Items]
Sales and other revenues										0	0	0
Cost of products sold										0	0	0
Operating expenses										0	0	0
General and administrative										0	0	0
Depreciation and amortization										0	0	0
Total operating costs and expenses										0	0	0
Income (loss) from operations										0	0	0
Earnings (loss) of equity method investments										(1,338,518)	(2,970,865)	(1,809,820)
Interest income (expense)										0	0	0
Payments for Merger Related Costs												0
Gain on sale of marketable securities											0
Loss on early extinguishment of debt										0
Other income (expense) total										(1,338,518)	(2,970,865)	(1,809,820)
Income before income taxes										(1,338,518)	(2,970,865)	(1,809,820)
Income tax provision										0	0	0
Net income										(1,338,518)	(2,970,865)	(1,809,820)
Less net income attributable to noncontrolling interest										0	0	0
Net income attributable to HollyFrontier stockholders										(1,338,518)	(2,970,865)	(1,809,820)
Comprehensive income attributable to HollyFrontier stockholders										(1,317,840)	(2,779,285)	(1,984,686)
HollyFrontier Corp. Before Consolidation of HEP
Condensed Financial Statements, Captions [Line Items]
Sales and other revenues										20,106,757	20,044,003	15,393,528
Cost of products sold										17,641,119	16,078,948	12,844,333
Operating expenses										995,194	906,098	687,019
General and administrative										116,214	120,507	113,538
Depreciation and amortization										253,062	185,907	127,247
Total operating costs and expenses										19,005,589	17,291,460	13,772,137
Income (loss) from operations										1,101,168	2,752,543	1,621,391
Earnings (loss) of equity method investments										52,288	48,625	38,056
Interest income (expense)										(6,338)	(44,519)	(41,294)
Payments for Merger Related Costs												(15,114)
Gain on sale of marketable securities											326
Loss on early extinguishment of debt										(22,109)
Other income (expense) total										23,841	4,432	(18,352)
Income before income taxes										1,125,009	2,756,975	1,603,039
Income tax provision										391,243	1,027,591	581,757
Net income										733,766	1,729,384	1,021,282
Less net income attributable to noncontrolling interest										0	0	0
Net income attributable to HollyFrontier stockholders										733,766	1,729,384	1,021,282
Comprehensive income attributable to HollyFrontier stockholders										743,013	1,643,086	1,125,163
Non-Guarantor Non-Restricted Subsidiaries (HEP Segment)
Condensed Financial Statements, Captions [Line Items]
Sales and other revenues										307,053	288,501	212,995
Cost of products sold										0	0	0
Operating expenses										97,081	89,395	63,029
General and administrative										11,749	7,594	6,576
Depreciation and amortization										64,701	57,789	33,288
Total operating costs and expenses										173,531	154,778	102,893
Income (loss) from operations										133,522	133,723	110,102
Earnings (loss) of equity method investments										2,826	3,364	2,552
Interest income (expense)										(46,849)	(57,219)	(38,209)
Payments for Merger Related Costs												0
Gain on sale of marketable securities											0
Loss on early extinguishment of debt										0
Other income (expense) total										(44,023)	(53,855)	(35,657)
Income before income taxes										89,499	79,868	74,445
Income tax provision										333	371	234
Net income										89,166	79,497	74,211
Less net income attributable to noncontrolling interest										6,632	1,153	(859)
Net income attributable to HollyFrontier stockholders										82,534	78,344	75,070
Comprehensive income attributable to HollyFrontier stockholders										84,354	79,166	75,816
Consolidations and Eliminations
Condensed Financial Statements, Captions [Line Items]
Sales and other revenues										(253,250)	(241,780)	(166,995)
Cost of products sold										(248,892)	(238,305)	(164,255)
Operating expenses										(1,425)	(527)	(1,967)
General and administrative										0	0	0
Depreciation and amortization										(14,317)	(828)	(828)
Total operating costs and expenses										(264,634)	(239,660)	(167,050)
Income (loss) from operations										11,384	(2,120)	55
Earnings (loss) of equity method investments										(57,186)	(49,066)	(38,308)
Interest income (expense)										(9,307)	2,338	2,464
Payments for Merger Related Costs												0
Gain on sale of marketable securities											0
Loss on early extinguishment of debt										0
Other income (expense) total										(66,493)	(46,728)	(35,844)
Income before income taxes										(55,109)	(48,848)	(35,789)
Income tax provision										0	0	0
Net income										(55,109)	(48,848)	(35,789)
Less net income attributable to noncontrolling interest										25,349	31,708	37,166
Net income attributable to HollyFrontier stockholders										(80,458)	(80,556)	(72,955)
Comprehensive income attributable to HollyFrontier stockholders										$ (82,278)	$ (81,378)	$ (73,701)