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Derivative Financial Instruments - Additional Information (Details) - CVR Refining - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2018	Dec. 31, 2017
Derivative [Line Items]
Increase or decrease in related fair value of commodity instruments and forward purchase and sale commitments based on change of $1.00 per barrel in fair value of benchmark crude or product basis	$ 1
Commodity Swap
Derivative [Line Items]
Net unrealized loss on fair value of outstanding contracts	$ 30	$ 64

X

- Definition

Change in Fair Value of Derivative Instruments, Relative Fair Value, Increase (Decrease) From One Dollar Per Barrel Change in Benchmark Fair Value

+ References

No definition available.

+ Details

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X

- Definition

Fair value of the assets less the liabilities of a derivative or group of derivatives.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=109250915&loc=d3e13433-108611

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X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Details

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- Details

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