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Commitments and Contingencies Energy Narrative (Details) (Energy Segment [Member], USD $)
 12 Months Ended 5 Months Ended 1 Months Ended 9 Months Ended 12 Months Ended 1 Months Ended 9 Months Ended 12 Months Ended 1 Months Ended 0 Months Ended 12 Months Ended 12 Months Ended 0 Months Ended
Dec. 31, 2012
Dec. 31, 2010
CVR Energy, Inc. [Member]
Dec. 31, 2012
CRRM [Member]
Dec. 31, 2011
CRNF [Member]
Dec. 31, 2010
CRNF [Member]
Dec. 31, 2009
CRNF [Member]
Dec. 31, 2008
CRNF [Member]
Dec. 31, 2012
WRC [Member]
Jul. 31, 2009
Crude Oil, Indirect Supplier [Member]
Oklahoma
CRRM [Member]
Dismissed Without Prejudice [Member]
litigation_cases
Jul. 31, 2009
Crude Oil, Indirect Supplier [Member]
NEW MEXICO
CRRM [Member]
Dismissed Without Prejudice [Member]
litigation_cases
May 31, 2010
Crude Oil, Indirect Supplier [Member]
OKLAHOMA and KANSAS [Member]
CRRM [Member]
Pending Litigation [Member]
litigation_cases
Jun. 30, 2010
Crude Oil Discharge [Member]
Kansas
CVR Energy, Inc. [Member]
Pending Litigation [Member]
plaintiffs
Dec. 31, 2012
Crude Oil Discharge [Member]
Kansas
CVR Energy, Inc. [Member]
Pending Litigation [Member]
May 31, 2008
Crude Oil Discharge [Member]
Kansas
CVR Energy, Inc. [Member]
Settled [Member]
plaintiffs
Jun. 30, 2010
Crude Oil Discharge [Member]
Kansas
CVR Energy, Inc. [Member]
Pending Litigation and Settled, Aggregate [Member]
plaintiffs
Dec. 31, 2012
EPA, Second Consent Decree, Clean Air Act [Member]
CRRM [Member]
Aug. 31, 2011
ODEQ [Member]
WRC [Member]
Oct. 25, 2010
U.S. Coast Guard / EPA [Member]
Crude Oil Discharge [Member]
Kansas
CVR Energy, Inc. [Member]
Pending Litigation [Member]
Dec. 31, 2012
Air Emissions Reduction and Water Conservation [Member]
EPA, Second Consent Decree, Clean Air Act [Member]
CRRM [Member]
Dec. 31, 2012
Coffeyville, Kansas Refinery and Phillipsburg, Kansas Terminal Facility [Member]
Kansas
CRRM and CRT [Member]
Dec. 31, 2012
CVR Energy, Inc. [Member]
Dec. 31, 2012
Professional Fees [Member]
CVR Energy, Inc. [Member]
Dec. 31, 2012
Profession fees, case 2 [Member]
CVR Energy, Inc. [Member]
Dec. 31, 2012
Wynnewood Consent Order [Member]
Feb. 13, 2013
Civil penalty [Member]
Feb. 13, 2013
Oversight cost reimbursement [Member]
Loss Contingencies [Line Items]                                                    
Lease expense   $ 6,000,000                                     $ 1,000,000          
Lawsuits Filed Against Company                 15 2 2                              
Average increase in annual property tax expense       11,000,000 12,000,000 11,000,000 11,000,000                                      
Number of claimants / plaintiffs                       1   16 3                      
Compensatory damages sought                           4,000,000 3,000,000     2,000,000       18,500,000 18,500,000      
Subsequent Event, Amount                                                 600,000 1,700,000
Insurance proceeds under primary environmental liability insurance policy                         25,000,000                          
Accrued environmental liabilities                                       2,000,000            
Estimated closure and post-closure costs included in accred environmental liabilities                                       1,000,000            
Capital expenditures to comply with environmental rules     59,000,000         94,000,000               49,000,000     1,000,000              
U.S. refineries entered into environmental regulatory concent decree, minimum percentage of U.S. refining capacity     90.00%                                              
Civil penalty, anticipated maximum                               1,000,000                    
Capital expenditures to comply with environmental rules, expected to be capital expenditures                               47,000,000                    
Civil penalty paid                                 950,000                  
Environmental expenditures capitalized 21,000,000                                                  
Loss Contingency, Estimate of Possible Loss                                               $ 2,000,000