Consolidated Statements Of Income (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Sales and other revenues	$ 3,701,912	$ 5,372,600	$ 6,708,538	$ 10,163,653
Operating costs and expenses:
Cost of products sold (exclusive of depreciation and amortization)	2,887,475	4,674,846	5,138,848	8,813,466
Lower of cost or market inventory valuation adjustment	(135,480)	0	(142,026)	0
Costs of products sold, net	2,751,995	4,674,846	4,996,822	8,813,466
Operating expenses (exclusive of depreciation and amortization)	246,165	271,654	509,761	545,620
General and Administrative Expense	26,117	28,365	55,686	55,288
Depreciation and amortization	87,803	101,390	167,815	181,938
Total operating costs and expenses	3,112,080	5,076,255	5,730,084	9,596,312
Income from operations	589,832	296,345	978,454	567,341
Other income (expense):
Earnings (loss) of equity method investments	631	(908)	(7,176)	(1,709)
Interest income	768	1,184	1,730	2,589
Interest expense	(10,559)	(10,136)	(20,713)	(22,483)
Loss on early extinguishment of debt	(1,368)	0	(1,368)	(7,677)
Gain on sale of assets	873	0	1,639	0
Other income (expense) total	(9,655)	(9,860)	(25,888)	(29,280)
Income before income taxes	580,177	286,485	952,566	538,061
Income tax provision:
Current	155,377	109,171	294,575	202,464
Deferred	51,613	(7,839)	42,143	(13,518)
Income tax provision total	206,990	101,332	336,718	188,946
Net income	373,187	185,153	615,848	349,115
Less net income attributable to noncontrolling interest	12,363	8,724	28,148	20,625
Net income attributable to HollyFrontier stockholders	$ 360,824	$ 176,429	$ 587,700	$ 328,490
Earnings per share attributable to HollyFrontier stockholders:
Basic	$ 1.88	$ 0.89	$ 3.03	$ 1.65
Diluted	1.88	0.89	3.03	1.65
Cash dividends declared per common share	$ 0.33	$ 0.82	$ 0.65	$ 1.62
Average number of common shares outstanding:
Basic	191,355	198,139	193,202	198,217
Diluted	191,454	198,380	193,279	198,408