XML 32 R1.htm IDEA: XBRL DOCUMENT v3.19.2
Document and Entity Information
12 Months Ended
Dec. 31, 2018
Document and Entity Information  
Entity Registrant Name CVR ENERGY INC
Entity Central Index Key 0001376139
Document Type 8-K
Document Period End Date Dec. 31, 2018
Amendment Flag false
Entity Small Business false
Entity Emerging Growth Company false