Consolidated Statements Of Income (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Income Statement [Abstract]
Sales and other revenues	$ 5,372,600	$ 5,298,848	$ 10,163,653	$ 10,006,637
Operating costs and expenses:
Cost of products sold (exclusive of depreciation and amortization)	4,674,846	4,456,808	8,813,466	8,249,343
Operating expenses (exclusive of depreciation and amortization)	271,654	277,542	545,620	542,641
General and administrative expenses (exclusive of depreciation and amortization)	28,365	34,000	55,288	63,198
Depreciation and amortization	101,390	70,492	181,938	142,254
Total operating costs and expenses	5,076,255	4,838,842	9,596,312	8,997,436
Income from operations	296,345	460,006	567,341	1,009,201
Other income (expense):
Earnings (loss) of equity method investments	(908)	(1,089)	(1,709)	(1,030)
Interest income	1,184	778	2,589	2,309
Interest expense	(10,136)	(19,794)	(22,483)	(41,114)
Loss on early extinguishment of debt	0	(22,109)	(7,677)	(22,109)
Other income (expense) total	(9,860)	(42,214)	(29,280)	(61,944)
Income before income taxes	286,485	417,792	538,061	947,257
Income tax provision:
Current	109,171	143,439	202,464	350,066
Deferred	(7,839)	8,604	(13,518)	(11,929)
Income tax provision total	101,332	152,043	188,946	338,137
Net income	185,153	265,749	349,115	609,120
Less net income attributable to noncontrolling interest	8,724	8,768	20,625	18,470
Net income attributable to HollyFrontier stockholders	$ 176,429	$ 256,981	$ 328,490	$ 590,650
Earnings per share attributable to HollyFrontier stockholders:
Basic	$ 0.89	$ 1.27	$ 1.65	$ 2.91
Diluted	$ 0.89	$ 1.27	$ 1.65	$ 2.91
Cash dividends declared per common share	$ 0.82	$ 0.80	$ 1.62	$ 1.60
Average number of common shares outstanding:
Basic	198,139	201,543	198,217	202,131
Diluted	198,380	201,905	198,408	202,485