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Commitments and Contingencies Energy Narrative (Details) (USD $)
 12 Months Ended 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
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Jun. 30, 2012
Energy Segment [Member]
Jun. 30, 2012
Energy Segment [Member]
Jun. 30, 2012
CVR Energy, Inc. [Member]
Energy Segment [Member]
Jun. 30, 2012
CVR Energy, Inc. [Member]
Energy Segment [Member]
Jun. 30, 2012
CRRM [Member]
Energy Segment [Member]
Dec. 31, 2011
CRNF [Member]
Energy Segment [Member]
Dec. 31, 2010
CRNF [Member]
Energy Segment [Member]
Dec. 31, 2009
CRNF [Member]
Energy Segment [Member]
Dec. 31, 2008
CRNF [Member]
Energy Segment [Member]
Jun. 30, 2012
WRC [Member]
Energy Segment [Member]
Jul. 31, 2009
Crude Oil, Indirect Supplier [Member]
OKLAHOMA
CRRM [Member]
Energy Segment [Member]
Dismissed Without Prejudice [Member]
litigation_cases
Jul. 31, 2009
Crude Oil, Indirect Supplier [Member]
NEW MEXICO
CRRM [Member]
Energy Segment [Member]
Dismissed Without Prejudice [Member]
litigation_cases
May 31, 2010
Crude Oil, Indirect Supplier [Member]
OKLAHOMA and KANSAS [Member]
CRRM [Member]
Energy Segment [Member]
Pending Litigation [Member]
litigation_cases
Jun. 30, 2012
Crude Oil Discharge [Member]
KANSAS
CVR Energy, Inc. [Member]
Energy Segment [Member]
Pending Litigation [Member]
Jun. 30, 2010
Crude Oil Discharge [Member]
KANSAS
CVR Energy, Inc. [Member]
Energy Segment [Member]
Pending Litigation [Member]
plaintiffs
May 31, 2008
Crude Oil Discharge [Member]
KANSAS
CVR Energy, Inc. [Member]
Energy Segment [Member]
Settled [Member]
plaintiffs
Jun. 30, 2010
Crude Oil Discharge [Member]
KANSAS
CVR Energy, Inc. [Member]
Energy Segment [Member]
Pending Litigation and Settled, Aggregate [Member]
plaintiffs
Feb. 10, 2010
EPA, Second Consent Decree, Clean Air Act [Member]
CRRM [Member]
Energy Segment [Member]
Jun. 30, 2012
EPA, Second Consent Decree, Clean Air Act [Member]
CRRM [Member]
Energy Segment [Member]
Aug. 31, 2011
ODEQ [Member]
WRC [Member]
Energy Segment [Member]
Jun. 30, 2012
ODEQ [Member]
WRC [Member]
Energy Segment [Member]
Oct. 25, 2010
U.S. Coast Guard / EPA [Member]
Crude Oil Discharge [Member]
KANSAS
CVR Energy, Inc. [Member]
Energy Segment [Member]
Pending Litigation [Member]
Jun. 30, 2012
U.S. Coast Guard / EPA [Member]
Crude Oil Discharge [Member]
KANSAS
CVR Energy, Inc. [Member]
Energy Segment [Member]
Pending Litigation [Member]
Jun. 30, 2012
Air Emissions Reduction and Water Conservation [Member]
EPA, Second Consent Decree, Clean Air Act [Member]
CRRM [Member]
Energy Segment [Member]
Jun. 30, 2012
Coffeyville, Kansas Refinery and Phillipsburg, Kansas Terminal Facility [Member]
KANSAS
CRRM and CRT [Member]
Energy Segment [Member]
Jun. 30, 2012
CVR Energy, Inc. [Member]
Energy Segment [Member]
Loss Contingencies [Line Items]                                                          
Lease expense $ 94,000,000 $ 77,000,000 $ 76,000,000     $ 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