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Debt Narrative - Debt and Credit Facilities - Energy (Details) - USD ($)
$ in Millions
12 Months Ended
Oct. 23, 2012
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Dec. 01, 2012
Apr. 13, 2011
Debt Instrument [Line Items]            
Loss on extinguishment of debt   $ (2) $ (162) $ 0    
CVR 2022 Notes [Member] | Energy Segment [Member]            
Debt Instrument [Line Items]            
Term Loan Facility $ 500          
Interest rate, long-term debt 6.50%          
Gross proceeds from sale of senior unsecured notes $ 493          
ABL Credit Facility [Member] | Energy Segment [Member]            
Debt Instrument [Line Items]            
Line of Credit Facility, Current Borrowing Capacity         $ 400  
Line of credit facility, incremental borrowing increase         $ 200  
Letters of credit sublimit as a percentage of total facility commitment         10.00%  
Availability under ABL credit facility   290        
Letters of Credit Outstanding, Amount   28        
Letters of credit outstanding   $ 0        
CVR Partners Credit Facility [Member] | Energy Segment [Member]            
Debt Instrument [Line Items]            
Term Loan Facility           $ 125
Line of credit facility           25
Line of credit facility, potential increase in maximum borrowing capacity if covenant requirements met           $ 50
Base Rate [Member] | CVR Partners Credit Facility [Member] | Energy Segment [Member]            
Debt Instrument [Line Items]            
Percentage spread on debt   2.50%        
EuroDollar [Member] | CVR Partners Credit Facility [Member] | Energy Segment [Member]            
Debt Instrument [Line Items]            
Percentage spread on debt   3.50%