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Organization and History of the Company and Basis of Presentation (Details) (USD $)
In Millions, except Share data, unless otherwise specified
 6 Months Ended 1 Months Ended 1 Months Ended 6 Months Ended
Jun. 30, 2012
Segment
Dec. 31, 2011
GWEC
barrelperday
barrel
Mar. 31, 2012
GWEC
Dec. 31, 2010
Goldman Sachs Funds and Kelso Funds
Jun. 30, 2012
CVR GP, LLC
Apr. 30, 2011
CVR Partners, LP
Jun. 30, 2012
CVR Partners, LP
type
Jun. 30, 2012
Icahn
May 18, 2012
Icahn
May 07, 2012
Icahn
Number of reportable segments 2                  
Ownership percentage held by controlling stockholder               82.00% 70.00% 55.00%
Percentage of CVR's ownership interest in CVR GP, LLC         100.00%          
Percentage of outstanding shares beneficially owned       40.00%            
Preliminary purchase price   $ 592.3                
Final purchase price     593.4              
Increase in preliminary purchase price     1.1              
Capacity of refinery acquired by the entity in Wynnewood, Oklahoma (in bpd)   70,000                
Capacity of refinery owned by acquiree in Wynnewood, Oklahoma (in bpd)   2,000,000                
CVR Partners, LP                    
Sale price of managing GP interest             10.6      
Interest in the partnership sold into the public market (as a percent)             30.00%      
Number of units sold in public offering (in shares)           22,080,000        
Offering price per unit (in dollars per share)           $ 16.00        
Purchase of incentive distribution rights           26.0        
Common units outstanding (in units)             73,043,356      
Common units owned by the public (in shares)             22,123,356      
Percentage of common units owned by the public             30.00%      
Common units owned by general partner (in units)             50,920,000      
Percentage of common units owned by the general partner             70.00%      
Amount paid for purchase of IDRs from general partner             $ 26.0      
Number of types of partnership interests outstanding             2      
Basis of Consolidation                    
Percentage of holders of the outstanding common units required to vote for removal of the general partner 66.666%