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Commitments and Contingencies Energy Narrative (Details) (USD $)
 6 Months Ended 6 Months Ended 12 Months Ended 6 Months Ended 1 Months Ended 9 Months Ended 12 Months Ended 1 Months Ended 9 Months Ended 6 Months Ended 1 Months Ended 0 Months Ended 6 Months Ended 0 Months Ended
Jun. 30, 2013
Energy Segment [Member]
Jun. 30, 2013
PSC Metals [Member]
Metals Segment [Member]
Dec. 31, 2012
PSC Metals [Member]
Metals Segment [Member]
Jun. 30, 2013
CVR Energy, Inc. [Member]
Energy Segment [Member]
Jun. 30, 2013
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, 2013
WRC [Member]
Energy Segment [Member]
May 31, 2010
Crude Oil, Indirect Supplier [Member]
OKLAHOMA and KANSAS [Member]
CRRM [Member]
Energy Segment [Member]
Pending Litigation [Member]
litigation_cases
Jun. 30, 2010
Crude Oil Discharge [Member]
Kansas
CVR Energy, Inc. [Member]
Energy Segment [Member]
Pending Litigation [Member]
plaintiffs
Dec. 31, 2012
Crude Oil Discharge [Member]
Kansas
CVR Energy, Inc. [Member]
Energy Segment [Member]
Pending Litigation [Member]
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
Jun. 30, 2013
EPA, Second Consent Decree, Clean Air Act [Member]
CRRM [Member]
Energy Segment [Member]
Aug. 31, 2011
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, 2013
Air Emissions Reduction and Water Conservation [Member]
EPA, Second Consent Decree, Clean Air Act [Member]
CRRM [Member]
Energy Segment [Member]
Jun. 30, 2013
Professional fees, case 1 [Member]
CVR Energy, Inc. [Member]
Energy Segment [Member]
Jun. 30, 2013
Profession fees, case 2 [Member]
CVR Energy, Inc. [Member]
Energy Segment [Member]
Feb. 13, 2013
Civil penalty [Member]
CWA violations [Member]
Energy Segment [Member]
Feb. 13, 2013
Civil penalty [Member]
Oversight cost reimbursement [Member]
Energy Segment [Member]
Jun. 30, 2013
Wynnewood Consent Order [Member]
Energy Segment [Member]
Jun. 30, 2013
Coffeyville, Kansas Refinery and Phillipsburg, Kansas Terminal Facility [Member]
Kansas
CRRM and CRT [Member]
Energy Segment [Member]
Loss Contingencies [Line Items]                                                  
Operating Leases, Rent Expense       $ 5,000,000                                          
Lawsuits Filed Against Company                     2                            
Average increase in annual property tax expense           11,000,000 12,000,000 11,000,000 11,000,000                                
Gain (Loss) Related to Litigation Settlement   225,000           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   29,000,000 29,000,000                                           2,000,000
Estimated closure and post-closure costs included in accred environmental liabilities                                                 1,000,000
Costs associated with required injunctive relief, high estimate 20,000,000       59,000,000         98,000,000           40,000,000     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                  
Civil penalty paid                                 950,000                
Environmental expenditures capitalized 38,000,000                                                
Loss Contingency, Estimate of Possible Loss                                               $ 3,000,000