XML 14 R1.htm IDEA: XBRL DOCUMENT v3.19.1
Document and Entity Information - USD ($)
 3 Months Ended
Mar. 31, 2019
Dec. 31, 2018
Document and Entity Information [Abstract]    
Entity Registrant Name EASTMAN CHEMICAL COMPANY  
Entity Central Index Key 0000915389  
Document Type 10-Q  
Document Period End Date Mar. 31, 2019  
Amendment Flag false  
Current Fiscal Year End Date --12-31  
Entity Filer Category Large Accelerated Filer  
Entity Common Stock, Shares Outstanding 138,578,592  
Document Fiscal Year Focus 2019  
Document Fiscal Period Focus Q1  
Entity Current Reporting Status Yes  
Entity Small Business false  
Entity Emerging Growth Company false  
Entity Public Float   $ 13,911,610,629