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Share-Based Compensation (Details 5) (USD $)
In Millions, except Share data, unless otherwise specified
3 Months Ended
Mar. 31, 2014
Dec. 31, 2013
Mar. 31, 2014
CVR Refining Long Term Incentive Plan
Mar. 31, 2014
CVR Refining LP
CVR Refining Long Term Incentive Plan
trading_day
Mar. 31, 2014
CVR Refining LP
CVR Refining Long Term Incentive Plan
Phantom Unit Appreciation Plan
Mar. 31, 2014
Personnel Accruals
CVR Refining LP
CVR Refining Long Term Incentive Plan
Phantom Unit Appreciation Plan
Share-Based Compensation            
Common stock authorized for issuance (in shares)       11,070,000    
Vesting period       3 years    
Vesting rights percentage     33.33%      
Unrecognized compensation cost         $ 3.7  
Number of share right to receive cash payment on vesting equal to fair market value is received per award       1    
Period for determination of cash payment value       10    
Weighted-average period for amortization of unrecognized compensation cost         1 year 8 months 12 days  
Compensation expense         0.7  
Liability for unvested restricted share awards $ 35.0 $ 45.8       $ 0.7