Number of refineries located in Tulsa, Oklahoma

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Payments under Inventory Repurchase Agreements

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Proceeds from Inventory Repurchase Agreements

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Refinery Distance From Main City

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For an unclassified balance sheet, a valuation allowance for receivables due a company that are expected to be uncollectible.

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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Percentage investment held by the managing member or general partner of the limited liability company (LLC) or limited partnership (LP).

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Percentage of the Variable Interest Entity's (VIE) voting interest owned by (or beneficial interest in) the reporting entity (directly or indirectly).

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Description of Business and Presentation of Financial Statements (Details)	3 Months Ended
	Mar. 31, 2016 USD ($) Petroleum_Refineries mi	Mar. 31, 2015 USD ($)	Dec. 31, 2015 USD ($)
Ownership Interest By Project Type [Line Items]
Number of refineries located in Tulsa, Oklahoma \| Petroleum_Refineries	2
Refinery Distance From Main City [Miles] \| mi	65
Allowance for doubtful accounts reserve	$ 2,300,000
Goodwill, Impairment Loss	0
Goodwill	2,331,781,000		$ 2,331,781,000
Purchase and Supply Commitment, Excluding Long-term Commitment [Text Block]	14,300,000	$ 30,200,000
Payments under Inventory Repurchase Agreements	$ 13,600,000	$ 22,800,000
HEP [Member]
Ownership Interest By Project Type [Line Items]
Percentage of ownership in variable interest entity	39.00%
Percentage of general partner interest	2.00%
Goodwill	$ 288,991,000		$ 288,991,000
Frontier Pipeline [Member]
Ownership Interest By Project Type [Line Items]
Equity Method Investment, Ownership Percentage	50.00%
SLC Pipeline [Member]
Ownership Interest By Project Type [Line Items]
Equity Method Investment, Ownership Percentage	25.00%
UNEV Pipeline [Member]
Ownership Interest By Project Type [Line Items]
Equity Method Investment, Ownership Percentage	75.00%