Document and Entity Information
6 Months Ended
Jun. 30, 2017
Document and Entity Information  
Entity Registrant Name UNION CARBIDE CORP /NEW/
Entity Central Index Key 0000100790
Current Fiscal Year End Date --12-31
Entity Filer Category Non-accelerated Filer
Document Type 10-Q
Document Period End Date Jun. 30, 2017
Document Fiscal Year Focus 2017
Document Fiscal Period Focus Q2
Amendment Flag false
Entity Common Stock, Shares Outstanding 935.51