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Conversion of Stock, Exchange Offer, Shares Authorized For Conversion

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The number of units or percentage investment of the limited partner interests held by the public.

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Represents the percentage of ownership interest held by the majority shareholder

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[Line Items] for Organization, Consolidation, and Presentation of Financial Statements [Table]

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Aggregate dividends declared during the period for each share of common stock outstanding.

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Amount of equity impact of cash distribution declared to unit-holder of limited partnership (LP).

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Per unit of ownership amount of cash distributions declared to unit-holder of a limited partnership (LP).

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Amount of paid and unpaid common stock dividends declared with the form of settlement in cash.

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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 investment held by members or limited partners of limited liability company (LLC) or limited partnership (LP).

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Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues.

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Cash inflow received as distributions, returns of capital, or sale proceeds from partnership interests held for investment purposes.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
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Organization and Basis of Presentation (Details) $ / shares in Units, $ in Millions					3 Months Ended		6 Months Ended
	Aug. 13, 2018 USD ($)	Jul. 25, 2018 USD ($) $ / shares	Jun. 18, 2018 shares	May 28, 2018 USD ($) $ / shares	Jun. 30, 2018 $ / shares	Jun. 30, 2017 $ / shares	Jun. 30, 2018 segment $ / shares	Jun. 30, 2017 $ / shares
Organization, Consolidation, and Presentation of Financial Statements [Line Items]
Number of operating segments \| segment							2
Dividends declared (in dollars per share) \| $ / shares				$ 0.75	$ 0.75	$ 0.50	$ 1.25	$ 1.00
Dividends declared				$ 65
CVR Refining, LP \| Second Underwritten Offering
Organization, Consolidation, and Presentation of Financial Statements [Line Items]
Percentage of limited partner interest held by the public							34.00%
CVR Refining Holdings LLC \| CVR Refining, LP \| Second Underwritten Offering
Organization, Consolidation, and Presentation of Financial Statements [Line Items]
Percentage of common units owned by CVR Refining Holdings or CRLLC							66.00%
CVR Refining Holdings LLC \| CVR Refining GP, LLC \| Second Underwritten Offering
Organization, Consolidation, and Presentation of Financial Statements [Line Items]
Percentage of common units owned by limited partner							100.00%
CVR Partners, LP
Organization, Consolidation, and Presentation of Financial Statements [Line Items]
Percentage of limited partner interest held by the public							66.00%
Coffeyville Resources LLC (CRLLC) \| CVR Refining, LP
Organization, Consolidation, and Presentation of Financial Statements [Line Items]
Percentage of common units owned by CVR Refining Holdings or CRLLC							34.00%
Coffeyville Resources LLC (CRLLC) \| CVR Refining GP, LLC
Organization, Consolidation, and Presentation of Financial Statements [Line Items]
Percentage of common units owned by limited partner							100.00%
Exchange Offer, CVR Refining Common Units for CVR Energy Common Stock
Organization, Consolidation, and Presentation of Financial Statements [Line Items]
Number of common units offered to exchange (up to) (in shares) \| shares			37,154,236
Exchange ratio			0.6335
Forecast
Organization, Consolidation, and Presentation of Financial Statements [Line Items]
Proceeds from distribution	$ 64
Subsequent Event \| CVR Refining, LP
Organization, Consolidation, and Presentation of Financial Statements [Line Items]
Distributions declared (in dollars per share) \| $ / shares		$ 0.66
Distributions declared		$ 97
IEP
Organization, Consolidation, and Presentation of Financial Statements [Line Items]
Ownership percentage held by controlling stockholder							82.00%
IEP \| CVR Refining, LP \| Second Underwritten Offering
Organization, Consolidation, and Presentation of Financial Statements [Line Items]
Percentage of limited partner interest held by the public							3.90%
IEP \| Forecast \| IEP Energy LLC
Organization, Consolidation, and Presentation of Financial Statements [Line Items]
Ownership percentage held by controlling stockholder	82.00%
Dividends declared	$ 53