XML 16 R1.htm IDEA: XBRL DOCUMENT v3.3.1.900
Document and Entity Information - USD ($)
 12 Months Ended
Dec. 31, 2015
Mar. 15, 2016
Jun. 30, 2015
Document and Entity Information      
Entity Registrant Name CENTRUS ENERGY CORP    
Entity Central Index Key 0001065059    
Trading Symbol LEU    
Current Fiscal Year End Date --12-31    
Document Type 10-K    
Amendment Flag false    
Document Period End Date Dec. 31, 2015    
Entity Filer Category Smaller Reporting Company    
Entity Common Stock, Shares Outstanding   9,000,000  
Document Fiscal Year Focus 2015    
Entity Well-known Seasoned Issuer No    
Entity Public Float     $ 27,900,000
Entity Current Reporting Status Yes    
Entity Voluntary Filers No    
Document Fiscal Period Focus Q4