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Commitments and Contingencies Energy Narrative (Details) (Energy Segment [Member], USD $)
 3 Months Ended 6 Months Ended 3 Months Ended 6 Months Ended 12 Months Ended 6 Months Ended 5 Months Ended 1 Months Ended 6 Months Ended 9 Months Ended 1 Months Ended 9 Months Ended 0 Months Ended 6 Months Ended 1 Months Ended 6 Months Ended 0 Months Ended 6 Months Ended 6 Months Ended
Jun. 30, 2012
Jun. 30, 2012
Jun. 30, 2012
CVR Energy, Inc. [Member]
Jun. 30, 2012
CVR Energy, Inc. [Member]
Jun. 30, 2012
CRRM [Member]
Dec. 31, 2011
CRNF [Member]
Dec. 31, 2010
CRNF [Member]
Dec. 31, 2009
CRNF [Member]
Dec. 31, 2008
CRNF [Member]
Jun. 30, 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, 2012
Crude Oil Discharge [Member]
KANSAS
CVR Energy, Inc. [Member]
Pending Litigation [Member]
Jun. 30, 2010
Crude Oil Discharge [Member]
KANSAS
CVR Energy, Inc. [Member]
Pending Litigation [Member]
plaintiffs
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
Feb. 10, 2010
EPA, Second Consent Decree, Clean Air Act [Member]
CRRM [Member]
Jun. 30, 2012
EPA, Second Consent Decree, Clean Air Act [Member]
CRRM [Member]
Aug. 31, 2011
ODEQ [Member]
WRC [Member]
Jun. 30, 2012
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]
Jun. 30, 2012
U.S. Coast Guard / EPA [Member]
Crude Oil Discharge [Member]
KANSAS
CVR Energy, Inc. [Member]
Pending Litigation [Member]
Jun. 30, 2012
Air Emissions Reduction and Water Conservation [Member]
EPA, Second Consent Decree, Clean Air Act [Member]
CRRM [Member]
Jun. 30, 2012
Coffeyville, Kansas Refinery and Phillipsburg, Kansas Terminal Facility [Member]
KANSAS
CRRM and CRT [Member]
Jun. 30, 2012
CVR Energy, Inc. [Member]
Loss Contingencies [Line Items]                                                    
Lease expense     $ 2,000,000                                             $ 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       18,500,000                       4,000,000 3,000,000 1,000,000       2,000,000        
Civil penalties, anticipated minimum                                             100,000      
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         45,000,000         49,000,000                 49,000,000   2,000,000     1,000,000    
Percentage of all fuel used required to be renewable fuel         8.00%                                          
Proposed percentage of all fuel used required to be renewable fuel         9.00%                                          
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 $ 4,000,000 $ 3,000,000