Consolidated Statements Of Income (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Income Statement [Abstract]
Sales and other revenues	$ 5,317,555	$ 5,327,122	$ 15,481,208	$ 15,333,759
Operating costs and expenses:
Cost of products sold (exclusive of depreciation and amortization)	4,625,893	4,809,990	13,439,359	13,059,333
Operating expenses (exclusive of depreciation and amortization)	280,957	256,318	826,577	798,959
General and administrative expenses (exclusive of depreciation and amortization)	27,149	28,937	82,437	92,135
Depreciation and amortization	80,945	82,127	262,883	224,381
Total operating costs and expenses	5,014,944	5,177,372	14,611,256	14,174,808
Income from operations	302,611	149,750	869,952	1,158,951
Other income (expense):
Earnings (loss) of equity method investments	(1,247)	159	(2,956)	(871)
Interest income	1,004	1,482	3,593	3,791
Interest expense	(11,038)	(13,954)	(33,521)	(55,068)
Loss on early extinguishment of debt	0	0	(7,677)	(22,109)
Loss on sale of assets	(556)	0	(556)	0
Other income (expense) total	(11,837)	(12,313)	(41,117)	(74,257)
Income before income taxes	290,774	137,437	828,835	1,084,694
Income tax provision:
Current	91,867	(10,454)	294,331	339,612
Deferred	11,349	58,982	(2,169)	47,053
Income tax provision total	103,216	48,528	292,162	386,665
Net income	187,558	88,909	536,673	698,029
Less net income attributable to noncontrolling interest	12,552	6,619	33,177	25,089
Net income attributable to HollyFrontier stockholders	$ 175,006	$ 82,290	$ 503,496	$ 672,940
Earnings per share attributable to HollyFrontier stockholders:
Basic	$ 0.88	$ 0.41	$ 2.54	$ 3.33
Diluted	$ 0.88	$ 0.41	$ 2.53	$ 3.33
Cash dividends declared per common share	$ 0.82	$ 0.80	$ 2.44	$ 2.40
Average number of common shares outstanding:
Basic	197,261	199,098	197,895	201,109
Diluted	197,535	199,509	198,096	201,486