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The carrying amount of a liability for an asset retirement obligation. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees.

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Number of shares of equity interests issued or issuable to acquire entity.

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Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Includes, but is not limited to, one-time termination benefits, termination of an operating lease or other contract, consolidating or closing facilities, and relocating employees, and termination benefits associated with an ongoing benefit arrangement. Excludes expenses associated with special or contractual termination benefits, a discontinued operation or an asset retirement obligation.

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Amount of gain (loss) on sale or disposal of assets, including but not limited to property plant and equipment, intangible assets and equity in securities of subsidiaries or equity method investee.

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Description of Business and Summary of Significant Accounting Policies - Narrative (Details) $ in Millions, $ in Millions				3 Months Ended	12 Months Ended
	Mar. 14, 2022 brandedStation location shares	Apr. 27, 2021 USD ($)	Apr. 27, 2021 CAD ($)	Jun. 30, 2020 USD ($)	Dec. 31, 2022 USD ($) brandedStation location	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Nov. 01, 2021 USD ($)
Ownership Interest By Project Type [Line Items]
Number of branded stations \| brandedStation					1,500
Number of locations licensed to use brand \| location					300
Severance costs				$ 3.7
Impairment, Long-Lived Asset, Held-for-Use, Statement of Income or Comprehensive Income [Extensible Enumeration]				Goodwill impairment charges
Allowance for doubtful accounts					$ 7.7	$ 3.7
Asset retirement obligation					61.8	52.5
Deferred turnaround and amortization expense					159.3	136.9	$ 158.4
Proceeds from inventory repurchase agreements					42.1	43.5	44.9
Payments under inventory repurchase agreements					$ 42.8	45.4	46.4
Minimum
Ownership Interest By Project Type [Line Items]
Frequency of maintenance					2 years
Maximum
Ownership Interest By Project Type [Line Items]
Frequency of maintenance					5 years
Inventories
Ownership Interest By Project Type [Line Items]
Reserve against repair and maintenance inventory							9.0
Cheyenne Refinery
Ownership Interest By Project Type [Line Items]
Severance costs						1.0	3.8
Decommissioning expense					$ 1.7	25.8	24.7
Impairment of long-lived assets				$ 232.2
Refining, pipeline and terminal facilities \| Minimum
Ownership Interest By Project Type [Line Items]
Estimated useful life of assets					15 years
Refining, pipeline and terminal facilities \| Maximum
Ownership Interest By Project Type [Line Items]
Estimated useful life of assets					32 years
Buildings and improvements \| Minimum
Ownership Interest By Project Type [Line Items]
Estimated useful life of assets					10 years
Buildings and improvements \| Maximum
Ownership Interest By Project Type [Line Items]
Estimated useful life of assets					40 years
Other fixed assets \| Minimum
Ownership Interest By Project Type [Line Items]
Estimated useful life of assets					5 years
Other fixed assets \| Maximum
Ownership Interest By Project Type [Line Items]
Estimated useful life of assets					30 years
Vehicles
Ownership Interest By Project Type [Line Items]
Estimated useful life of assets					5 years
Lubricants and Specialty Products
Ownership Interest By Project Type [Line Items]
Severance costs						7.8
Refining
Ownership Interest By Project Type [Line Items]
Restructuring and related costs recorded to segments							24.8
Corporate Segment
Ownership Interest By Project Type [Line Items]
Restructuring and related costs recorded to segments							$ 12.7
Mississauga, Canada Property \| Disposal Group, Disposed of by Sale, Not Discontinued Operations
Ownership Interest By Project Type [Line Items]
Gain on sale of assets						$ 86.0
Mississauga, Canada Property \| Disposal Group, Disposed of by Sale, Not Discontinued Operations \| 7037619 Canada Inc.
Ownership Interest By Project Type [Line Items]
Proceeds from sale of property		$ 98.8	$ 125
HEP
Ownership Interest By Project Type [Line Items]
Percentage of ownership in variable interest entity					47.00%
Sinclair Merger
Ownership Interest By Project Type [Line Items]
Number of branded stations \| brandedStation	1,300
Number of locations licensed to use brand \| location	300
Asset retirement obligation								$ 6.2
Sinclair Merger \| HEP
Ownership Interest By Project Type [Line Items]
Shares issued in transaction (in shares) \| shares	21,000,000
Sinclair Merger \| REH Company
Ownership Interest By Project Type [Line Items]
Shares issued in transaction (in shares) \| shares	60,230,036
Sinclair Merger \| REH Company \| HEP
Ownership Interest By Project Type [Line Items]
Shares issued in transaction (in shares) \| shares	21,000,000