Consolidated Balance Sheets (Parenthetical) (USD $)	Dec. 31, 2014	Dec. 31, 2013
Cash and cash equivalents (HEP: $2,830 and $6,352, respectively)	$ 567,985,000	$ 940,103,000
Accounts receivable Product and transportation	507,040,000	665,098,000
Materials, supplies and other (HEP: $1,940 and $1,591, respectively)	115,027,000	112,799,000
Prepayments and other (HEP: $2,443 and $2,283, respectively)	104,148,000	58,756,000
Properties, plants and equipment, at cost (HEP: $1,269,161 and $1,199,594, respectively)	4,852,441,000	4,343,857,000
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment	1,181,902,000	949,261,000
Goodwill	2,331,781,000	2,331,922,000
Intangibles and other	188,169,000	175,341,000
Accounts payable (HEP: $17,881 and $22,898, respectively)	1,108,138,000	1,325,376,000
Accrued liabilities (HEP: $26,321 and $28,668, respectively)	106,214,000	125,115,000
Long-term debt (HEP: $867,579 and $807,630, respectively)	1,054,890,000	997,519,000
Deferred income tax liabilities	646,870,000	616,842,000
Other long-term liabilities (HEP: $47,170 and $35,918, respectively)	176,758,000	158,490,000
HollyFrontier Stockholders' Equity:
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	320,000,000	320,000,000
Common stock, shares issued	255,962,866	255,962,866
Preferred stock, par value	$ 1	$ 1
Preferred stock, shares authorized	5,000,000	5,000,000
Preferred stock, shares issued	0	0
Treasury stock, shares	59,876,776	57,132,515
HEP
Cash and cash equivalents (HEP: $2,830 and $6,352, respectively)	2,830,000	6,352,000
Accounts receivable Product and transportation	40,129,000	34,736,000
Materials, supplies and other (HEP: $1,940 and $1,591, respectively)	1,940,000	1,591,000
Prepayments and other (HEP: $2,443 and $2,283, respectively)	2,443,000	2,283,000
Properties, plants and equipment, at cost (HEP: $1,269,161 and $1,199,594, respectively)	1,269,161,000	1,199,594,000
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment	244,850,000	(194,619,000)
Goodwill	288,991,000	288,991,000
Intangibles and other	73,928,000	74,979,000
Accounts payable (HEP: $17,881 and $22,898, respectively)	17,881,000	22,898,000
Accrued liabilities (HEP: $26,321 and $28,668, respectively)	26,321,000	28,668,000
Long-term debt (HEP: $867,579 and $807,630, respectively)	867,579,000	807,630,000
Deferred income tax liabilities	367,000	336,000
Other long-term liabilities (HEP: $47,170 and $35,918, respectively)	$ 47,170,000	$ 35,918,000