Properties, Plants and Equipment (Narrative) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Property, Plant and Equipment [Line Items]
Impairment of Long-Lived Assets Held-for-use	$ 344,800,000	$ 0	$ 0
Capitalized interest	8,000,000	5,500,000	11,800,000
Depreciation expense	247,900,000	233,300,000	261,800,000
HEP
Property, Plant and Equipment [Line Items]
Depreciation expense	62,700,000	$ 58,700,000	$ 58,100,000
Refining facilities
Property, Plant and Equipment [Line Items]
Impairment of Long-Lived Assets Held-for-use	$ 0