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Share-Based Compensation (Details 2) - CVR Energy Long Term Incentive Plan - Restricted stock units - USD ($)
$ / shares in Units, $ in Millions
 11 Months Ended 12 Months Ended
Dec. 31, 2013
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Non-vested shares activity        
Non-vested at the beginning of the period (in shares)   599 48,011 359,552
Granted (in shares)   0 0 0
Vested (in shares)   (599) (43,085) (281,684)
Forfeited (in shares)   0 (4,327) (29,857)
Non-vested at the end of the period (in shares) 359,552 0 599 48,011
Weighted-Average Grant-Date Fair Value        
Non-vested at the beginning of the period (in dollars per share)   $ 57.23 $ 45.89 $ 28.09
Granted (in dollars per share)   0.00 0.00 0.00
Vested (in dollars per share)   57.23 45.55 23.89
Forfeited (in dollars per share)   0.00 47.68 39.17
Non-vested at the end of the period (in dollars per share) $ 28.09 $ 0.00 $ 57.23 $ 45.89
Aggregate Intrinsic Value $ 15.6 $ 0.0 $ 0.0 $ 1.9