Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Environmental, Health, and Safety Matters Environmental Health And Safety Matters [Member] Represents information pertaining to the environmental, health, and safety matters. Weighted-average common shares outstanding: Weighted Average Number of Shares Outstanding, Diluted [Abstract] Trading Arrangement: Trading Arrangement [Axis] Title of 12(b) Security Title of 12(b) Security Subsequent Event Subsequent Event [Member] Document Fiscal Year Focus Document Fiscal Year Focus Contract netting Derivative Liability, Subject to Master Netting Arrangement, Asset Offset Remaining performance obligation, expected timing of satisfaction, period Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period Collateral netting Derivative Liability, Subject to Master Netting Arrangement, Collateral, Right to Reclaim Cash Offset Derivative Instruments, Gain (Loss) [Table] Derivative Instruments, Gain (Loss) [Table] Adjustment to Compensation, Amount Adjustment to Compensation Amount Segment Reporting [Abstract] Segment Reporting [Abstract] CVR Partners LP CVR Partners CVR Partners LP [Member] Represents information pertaining to CVR Partners LP. Common stock, $0.01 par value per share; 350,000,000 shares authorized; 100,629,209 and 100,629,209 shares issued as of June 30, 2026 and December 31, 2025, respectively Common Stock, Value, Issued Personnel accruals Employee-related Liabilities, Current Schedule of Long-term debt and Finance Lease Obligations Schedule of Long-Term Debt Instruments [Table Text Block] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] 6.125% Senior Secured Notes, due June 2028 6.125% Notes Due June 2028 [Member] 6.125% Notes Due June 2028 Other segment disclosures: Segment Reporting, Disclosure of Other Information about Entity's Reportable Segments [Abstract] Line of Credit Line of Credit [Member] Restatement Determination Date Restatement Determination Date Collateral netting Derivative Asset, Subject to Master Netting Arrangement, Collateral, Obligation to Return 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[Member] Represents the details pertaining to IEP Energy LLC, who is the offeror in the tender offer for the purchase of outstanding shares of common stock of the CVR Energy. 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and Finance Lease Right-of-Use Asset, Accumulated Depreciation and Amortization Total distributions paid Distribution Made to Limited Partner, Cash Distributions Paid Operating cash flows from operating leases Operating Lease, Payments 7.500% Senior Notes, due February 2031 7.500% Notes Due 2031 [Member] 7.500% Notes Due 2031 Award Timing Predetermined Award Timing Predetermined [Flag] Treasury Stock Treasury Stock, Common [Member] Outstanding Letters of Credit Letters of Credit Outstanding, Amount Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Net value Derivative Liability, Subject to Master Netting Arrangement, after Offset Level 1 Fair Value, Inputs, Level 1 [Member] Effective tax rate Effective Income Tax Rate Reconciliation, Percent Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] All Executive Categories All Executive 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units or percentage investment of the limited partner interests held by the public. CVR Partners - Phantom Unit Awards Phantom Stock Units [Member] Phantom units awarded in an equity-based compensation plan arrangement. 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and Building Improvements [Member] Cash, cash equivalents, and reserved funds, carrying value Cash, Cash Equivalents, and Reserved Funds, Carrying Value Cash, Cash Equivalents, and Reserved Funds, Carrying Value Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Derivative [Table] Derivative [Table] Common stock, authorized (in shares) Common Stock, Shares Authorized Schedule of Distributions Paid Distributions Made to Limited Partner, by Distribution [Table Text Block] Proceeds from distribution Proceeds from Limited Partnership Investments Exercise Price Award Exercise Price Recurring Fair Value, Recurring [Member] Segment Reporting [Line Items] Segment Reporting [Line Items] Document Quarterly Report Document Quarterly Report Assets Derivative Asset [Abstract] Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested [Member] Segments [Domain] Segments [Domain] Swaps Interest Rate Swap [Member] Long-Term Debt and Finance Lease Obligations Debt Disclosure [Text Block] Scenario [Axis] Scenario [Axis] Unamortized debt issuance costs Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net Liabilities Derivative Liability [Abstract] Public unitholders Public Unitholders [Member] Public Unitholders Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Equity Component [Domain] Equity Component [Domain] PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Adoption Date Trading Arrangement Adoption Date Counterparty Name [Domain] Counterparty Name [Domain] Stated interest rate Debt Instrument, Interest Rate, Stated Percentage Dividends to CVR Energy stockholders Dividends, Common Stock, Cash Total CVR stockholders’ equity Equity, Attributable to Parent RFS obligation Renewable Fuel Standards Obligation, Current Renewable Fuel Standards Obligation, Current ASSETS Assets [Abstract] Title Trading Arrangement, Individual Title Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Other Liabilities Disclosure [Abstract] Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Insider Trading Policies and Procedures [Line Items] Other financing activities Proceeds from (Payment for) Other Financing Activity Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] NYMEX Diesel Cracks NYMEX Diesel Cracks [Member] NYMEX Diesel Cracks Derivative Instruments, Gain (Loss) [Line Items] Derivative Instruments, Gain (Loss) [Line Items] Selling, general and administrative expenses (exclusive of depreciation and amortization) Selling, General and Administrative Expense Interest income (expense), net Interest 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Including Discontinued Operation Organization, Consolidation, and Presentation of Financial Statements [Line Items] Organization, Consolidation, And Presentation Of Financial Statements [Line Items] [Line Items] for Organization, Consolidation, and Presentation of Financial Statements [Table] Direct operating expenses (exclusive of depreciation and amortization) Direct Operating Costs Income Statement [Abstract] Income Statement [Abstract] CVR Energy stockholders’ equity: Equity, Attributable to Parent [Abstract] Document Transition Report Document Transition Report Ownership [Axis] Ownership [Axis] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Finance lease obligations, net of current portion Finance Lease, Liability, Noncurrent Finance lease, right-of-use asset, statement of financial position [extensible list] Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] Intersegment Eliminations Intersegment Eliminations [Member] Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Cash paid for amounts included in the measurement of lease liabilities: Cash Flow, Lessee [Abstract] Cash Flow, Lessee [Abstract] CVR Energy’s Amended and Restated ABL Credit Agreement (“CVR Energy ABL”) Amended And Restated Asset Based Credit Agreement [Member] Amended And Restated Asset Based Credit Agreement [Member] City Area Code City Area Code Property, plant and equipment, gross Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, before Accumulated Depreciation and Amortization All Individuals All Individuals [Member] Dividends to CVR Energy stockholders Dividends paid Payments of Dividends Name Forgone Recovery, Individual Name Finished goods Inventory, Finished Goods, Net of Reserves Corporate and Eliminations Corporate And Eliminations [Member] Corporate And Eliminations Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Schedule of Contract with Customer, Liability, Activity [Line Items] Schedule Of Contract With Customer, Liability, Activity [Line Items] [Line Items] for Schedule of Contract with Customer, Liability, Activity [Table] Statement [Line Items] Statement [Line Items] Total assets Assets Assets Entity [Domain] Entity [Domain] Preferred stock, issued (in shares) Preferred Stock, Shares Issued Operating Segments Operating Segments [Member] CVRP JV CO Contract CVRP JV CO Contract [Member] CVRP JV CO Contract Fees threshold cap Collaborative Arrangement, Fees Threshold Cap Collaborative Arrangement, Fees Threshold Cap Share-Based Compensation Share-Based Payment Arrangement [Text Block] Energy [Domain] Energy [Domain] PEO PEO [Member] Accrued taxes other than income taxes Accrual for Taxes Other than Income Taxes, Current Total share-based compensation expense Share-Based Payment Arrangement, Expense 8.500% Senior Notes, due January 2029 8.500% Notes Due 2029 [Member] 8.500% Notes Due 2029 Gasoline Product, Gasoline [Member] Product, Gasoline [Member] Contract netting Derivative Asset, Subject to Master Netting Arrangement, Liability Offset Other long-term liabilities (including $37 and $38, respectively, of VIE) Other long-term liabilities Other Liabilities, Noncurrent Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Enable Joint Venture Transportation Agreement Enable Joint Venture Transportation Agreement [Member] Joint Venture Transportation Agreement Recognized revenue Contract with Customer, Liability, Revenue Recognized Subsequent Event Type [Domain] Subsequent Event Type [Domain] Land and improvements Land and Land Improvements [Member] Accumulated Deficit Retained Earnings [Member] Revolving Credit Facility Revolving Credit Facility [Member] Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Beginning balance (in shares) Ending balance (in shares) Common Stock, Shares, Outstanding Increase (Decrease) in Stockholders' Equity Increase (Decrease) in Stockholders' Equity [Roll Forward] Award Timing Disclosures [Line Items] Diluted loss per share (in dollars per share) Earnings Per Share, Diluted Entity Current Reporting Status Entity Current Reporting Status Net cash used in financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Total Shareholder Return Amount Total Shareholder Return Amount Prepaid expenses and other current assets Increase (Decrease) in Prepaid Expense and Other Assets Interest costs capitalized Interest Costs Capitalized Litigation Case [Domain] Litigation Case [Domain] Line of Credit Facility [Line Items] Line of Credit Facility [Line Items] Percentage of common units owned by general partner Limited Liability Company (LLC) or Limited Partnership (LP), Managing Member or General Partner, Ownership Interest Ownership [Domain] Ownership [Domain] Adjustments to reconcile net loss to net cash provided by (used in) operating activities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] Schedule of Derivative Offsetting Assets Offsetting Assets [Table Text Block] CVRP JV CVR-CapturePoint Parent, LLC (CVRP JV) [Member] CVR-CapturePoint Parent, LLC (CVRP JV) Other long-term assets, net of accumulated amortization Other Long-Term Assets, Accumulated Amortization Other Long-Term Assets, Accumulated Amortization Loss Contingency Nature [Axis] Loss Contingency Nature [Axis] Share-based Payment Arrangement [Abstract] Share-Based Payment Arrangement [Abstract] Revenue Revenue from Contract with Customer, Excluding Assessed Tax Available Capacity as of June 30, 2026 Line of Credit Facility, Remaining Borrowing Capacity Percentage of common units owned by wholly-owned subsidiary Limited Liability Company or Limited Partnership, Members or Limited Partners, Ownership Interest Other revenue Other Income Inventories Inventory Disclosure [Text Block] Equity 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Accrued Liabilities, and Other Liabilities Disclosure, Current [Text Block] Other current assets (including $0 and $1, respectively, of VIE) Other current assets Other Assets, Current Cash flows from operating activities: Cash Provided by (Used in) Operating Activity, Continuing Operation [Abstract] Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] All Trading Arrangements All Trading Arrangements [Member] Commodity derivative instruments Derivative, Gain (Loss) on Derivative, Net Other Performance Measure, Amount Other Performance Measure, Amount Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Operating income (loss) Operating income (loss) Operating Income (Loss) Schedule of Dividends Paid Dividends Declared [Table Text Block] Share-based compensation Deferred Compensation Share-Based Arrangements, Liability, Current Remaining performance obligation (less than $1 million during 2027 and 2028) Revenue, Remaining Performance Obligation, Amount Current Fiscal Year End Date Current Fiscal Year End Date UAN Product, UAN [Member] Product, UAN [Member] Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Derivative [Line Items] Derivative [Line Items] Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year [Member] Dividends declared per share (in dollars per share) Common Stock, Dividends, Per Share, Declared Entity File Number Entity File Number Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Distributions from CVR Partners to its public unitholders and IEP Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Common stock, issued (in shares) Common Stock, Shares, Issued Measure: Measure [Axis] Treasury stock (in shares) Treasury Stock, Common, Shares Forwards Forward Contracts [Member] Equity Components [Axis] Equity Components [Axis] Accounts receivables Increase (Decrease) in Accounts Receivable Related Party Related Party [Member] Product and Service [Domain] Product and Service [Domain] Cash received for income taxes, net of payments Income Tax Paid, after Refund Received Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Entity Interactive Data Current Entity Interactive Data Current Less: Net income attributable to noncontrolling interest Net Income (Loss) Attributable to Noncontrolling Interest Deferred income taxes Deferred Income Tax Liabilities, Net Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Offsetting Assets And Liabilities [Table] Offsetting Assets And Liabilities [Table] Offsetting Assets And Liabilities [Table] CVR GP CVR GP, LLC [Member] Represents the information pertaining to CVR GP, LLC. Entity Small Business Entity Small Business Termination Date Trading Arrangement Termination Date Property, Plant, and Equipment Property, Plant, and Equipment [Line Items] 7.875% Senior Notes, due February 2034 7.875% Notes Due 2034 [Member] 7.875% Notes Due 2034 Accounts payable Increase (Decrease) in Accounts Payable, Trade Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Other current liabilities (including $56 and $48, respectively, of VIE) Other current liabilities Total other current liabilities Other Liabilities, Current Net value Derivative Asset, Subject to Master Netting Arrangement, after Offset Other long-term assets (including $44 and $44, respectively, of VIE) Other long-term assets Other Assets, Noncurrent 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Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Executive Category: Executive Category [Axis] Counterparty Name [Axis] Counterparty Name [Axis] Furniture and fixtures Furniture and Fixtures [Member] LIABILITIES AND EQUITY Liabilities and Equity [Abstract] Crude oil sales Service, Crude Oil Sales [Member] Service, Crude Oil Sales [Member] Organization, Consolidation, and Presentation of Financial Statements [Table] Organization, Consolidation, And Presentation Of Financial Statements [Table] Organization, Consolidation, and Presentation of Financial Statements [Table] Schedule of Assets and Liabilities Measured at Fair Value on a Recurring Basis Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Inventories (including $94 and $83, respectively, of VIE) Inventories Total inventories Inventory, Net Award Type [Domain] Award Type [Domain] Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Distributions declared (in dollars per share) Distribution Made to Limited Partner, Distributions Declared, Per Unit Fair Value Measurements Fair Value Disclosures [Text Block] Level 3 Fair Value, Inputs, Level 3 [Member] Supplemental disclosures: Supplemental Cash Flow Information [Abstract] Accrued Renewable Fuel Standard (“RFS”) obligation Accrued Renewable Fuel Standards Obligation, Current Accrued Renewable Fuel Standards Obligation, Current Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] 5.750% Senior Notes, due February 2028 5.750% Notes Due 2028 [Member] 5.750% Notes Due 2028 PEO Name PEO Name CVR Partners Long Term Incentive Plan CVR Partners Long Term Incentive Plan [Member] Represents the CVR Partners LTIP in which the employees, officers, consultants and directors of CVR Partners and its general partner and their respective subsidiaries parents are eligible to receive awards. Collaborative arrangement, fee threshold per year Collaborative Arrangement, Fee Threshold Per Year Collaborative Arrangement, Fee Threshold Per Year Long-Lived Asset, Class [Axis] Long-Lived Asset, Class [Axis] Principal payments of Term Loan Repayments of Secured Debt Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Entity Tax Identification Number Entity Tax Identification Number Legal Entity [Axis] Legal Entity [Axis] Cash and cash equivalents, beginning of period Cash and cash equivalents, end of period Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Distributions declared Distribution Made to Limited Partner, Cash Distributions Declared Other accrued expenses and liabilities Other Accrued Liabilities, Current Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Total long-term debt, net of current portion, before finance lease obligations, debt issuance costs and discount Long-term Debt, Excluding Current Maturities, Gross Long-term Debt, Excluding Current Maturities, Gross Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Non-NEOs Non-NEOs [Member] Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member] Organization and Nature of Business Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Measurement Frequency [Domain] Measurement Frequency [Domain] Debt Instrument [Axis] Debt Instrument [Axis] Share-based compensation Share-Based Payment Arrangement, Noncash Expense Dividends, cash Dividends, Cash Purchase Commitments Long [Member] Icahn Enterprises L.P. and Affiliates (“IEP”) Icahn Enterprises L.P. And Affiliates (“IEP”) [Member] Icahn Enterprises L.P. And Affiliates (“IEP”) Distributions per common unit (in dollars per share) Distribution Made to Limited Partner, Distributions Paid, Per Unit Schedule of Components of Inventories Schedule of Inventory, Current [Table Text Block] Long-term Debt, Type [Domain] Long-Term Debt, Type [Domain] Basic loss per share (in dollars per share) Earnings Per Share, Basic Deferred revenue Deferred revenue Contract with Customer, Liability, Current Total current assets Assets, Current Insider Trading Arrangements [Line Items] Schedule of Net (Losses) Gains on Derivatives Derivative Instruments, Gain (Loss) [Table Text Block] Cost of sales Cost of Revenue Award Type [Axis] Award Type [Axis] Payment of deferred financing costs Payments of Financing Costs Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Accounts receivable, net (including $82 and $59, respectively, of VIE) Accounts receivable, net Accounts Receivable, after Allowance for Credit Loss, Current Accumulated deficit Retained Earnings (Accumulated Deficit) Commodity derivative instruments Commodity derivative instruments Commodity Contract [Member] Product and Service [Axis] Product and Service [Axis] Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table [Member] Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Common Stock Common Stock [Member] Public stockholders Public Stockholders [Member] Public Stockholders Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Cover page. Cover [Abstract] RFS RFS [Member] RFS Derivative Contract [Domain] Derivative Contract [Domain] Nitrogen Fertilizer Segment Nitrogen Fertilizer Segment [Member] Represents the Nitrogen Fertilizer Segment. The principal product of the Nitrogen Fertilizer Segment is nitrogen fertilizer. Equity Awards Adjustments Equity Awards Adjustments [Member] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] Total liabilities and equity Liabilities and Equity Employee Stock Option Share-Based Payment Arrangement, Option [Member] Noncontrolling interest Equity, Attributable to Noncontrolling Interest Segments [Axis] Segments [Axis] Other current liabilities Increase (Decrease) in Other Operating Liabilities Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Asset Class [Axis] Asset Class [Axis] Proceeds from issuance of Senior Notes Proceeds from Issuance of Senior Long-Term Debt Related Party [Domain] Related and Nonrelated Parties [Domain] Plan Name [Axis] Plan Name [Axis] Inventory Disclosure [Abstract] Inventory Disclosure [Abstract] Tabular List, Table Tabular List [Table Text Block] Petroleum Segment Petroleum Segment Petroleum Segment [Member] Represents the Petroleum Segment. Principal products of the Petroleum Segment are refined fuels, propane, and petroleum refining by-products including pet coke. Schedule of Share-Based Compensation Expense Share-Based Payment Arrangement, Cost by Plan [Table Text Block] Other income, net Other Nonoperating Income (Expense) Principal payments of senior secured notes Repayments of senior debt Repayments of Senior Debt Total CVR Stockholders’ Equity Parent [Member] Other operating expenses (income), net Other Operating Income (Expense), Net Name Awards Close in Time to MNPI Disclosures, Individual Name Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested [Member] Schedule of Other Current Liabilities Other Current Liabilities [Table Text Block] Property, Plant and Equipment Property, Plant and Equipment [Member] Long-Lived Asset, Class [Domain] Long-Lived Asset, Class [Domain] Preferred stock, authorized (in shares) Preferred Stock, Shares Authorized Group 3 Diesel Cracks Group 3 Diesel Cracks [Member] Group 3 Diesel Cracks Property, Plant, and Equipment [Table] Property, Plant, and Equipment [Table] CVR Partners’ Credit Agreement (“CVR Partners ABL”) Asset Based Credit Agreement [Member] Asset Based Credit Agreement [Member] Preferred stock, $0.01 par value per share; 50,000,000 shares authorized; none issued Preferred Stock, Value, Issued Adjustment to Compensation: Adjustment to Compensation [Axis] Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Operating cash flows from finance leases Finance Lease, Interest Payment on Liability Cash paid for interest Interest Paid, Excluding Capitalized Interest, Operating Activity Capital expenditures Payments to Acquire Productive Assets Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Reconciliation of Operating income (loss) to Net income: Segment Reporting, Reconciliation of Profit (Loss) by Segment to Consolidated [Abstract] Credit Facility [Axis] Credit Facility [Axis] Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Long-term debt and finance lease obligations, net of current portion (including $569 and $569, respectively, of VIE) Long-term debt and finance lease obligations, net of current portion Total long-term debt and finance lease obligations, net of current portion Long-Term Debt and Lease Obligation Name Measure Name Income Taxes Income Tax Disclosure [Text Block] Accounts payable (including $45 and $48, respectively, of VIE) Accounts payable Accounts Payable, Current Pay vs Performance Disclosure [Line Items] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Other items Other Noncash Income (Expense) Debt Instrument [Line Items] Debt Instrument [Line Items] Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Additional Paid-In Capital Additional Paid-in Capital [Member] Entity Filer Category Entity Filer Category Supplemental Cash Flow Elements [Abstract] Supplemental Cash Flow Elements [Abstract] Schedule of Derivative Offsetting Liabilities Offsetting Liabilities [Table Text Block] Name Trading Arrangement, Individual Name Cash and cash equivalents (including $137 and $69, respectively, of consolidated variable interest entity (“VIE”)) Cash and cash equivalents Cash and Cash Equivalent Kansas Environmental Claims Kansas Environmental Claims [Member] Kansas Environmental Claims Position [Domain] Position [Domain] Basis of Presentation Basis of Accounting [Text Block] Raw materials Inventory, Raw Materials, Net of Reserves Turnaround Assets Turnaround Assets [Member] Turnaround Assets Energy [Axis] Energy [Axis] Operating lease, liability, current, statement of financial position [extensible list] Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] Ownership percentage Variable Interest Entity, Qualitative or Quantitative Information, Ownership Percentage Company Selected Measure Amount Company Selected Measure Amount Depreciation and amortization Depreciation and amortization Depreciation, Depletion and Amortization Net income (loss) Net (loss) income Net loss Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Distributions to CVR Partners noncontrolling interest holders Payments of Distributions to Affiliates Current assets: Assets, Current [Abstract] Non-PEO NEO Non-PEO NEO [Member] Senior Notes Senior Notes [Member] Entity Address, Address Line One Entity Address, Address Line One Income tax expense (benefit) Income tax expense (benefit) Income tax (expense) benefit Income Tax Expense (Benefit) Award Timing Method Award Timing Method [Text Block] Loss Contingency, Nature [Domain] Loss Contingency, Nature [Domain] Net increase (decrease) in cash and cash equivalents Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Forecast Forecast [Member] Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Variable Interest Entities Variable Interest Entity, Primary Beneficiary [Member] Net loss attributable to CVR Energy stockholders Net Income (Loss) Attributable to Parent Long-term Debt, Type [Axis] Long-Term Debt, Type [Axis] Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Location, Statement of Financial Position, Balance [Axis] Location, Statement of Financial Position, Balance [Axis] Statement [Table] Statement [Table] Other Segment Reporting, Reconciling Item, Excluding Corporate Nonsegment [Member] Restatement Determination Date: Restatement Determination Date [Axis] Other Property, Plant and Equipment, Other Types [Member] Schedule of Deferred Revenue from Contracts with Customers Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] Derivative assets Derivative Asset, Subject to Master Netting Arrangement, before Offset Posted collateral Collateral Already Posted, Aggregate Fair Value Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Derivative Instruments and Hedging Activities Disclosure [Abstract] Derivative Instruments and Hedging Activities Disclosure [Abstract]