XML 15 R1.htm IDEA: XBRL DOCUMENT v3.19.1
Document and Entity Information - shares
3 Months Ended
Mar. 31, 2019
Apr. 30, 2019
Entity Information [Line Items]    
Entity Registrant Name DOW INC.  
Entity Central Index Key 0001751788  
Current Fiscal Year End Date --12-31  
Entity Filer Category Non-accelerated Filer  
Document Type 10-Q  
Document Period End Date Mar. 31, 2019  
Document Fiscal Year Focus 2019  
Document Fiscal Period Focus Q1  
Amendment Flag false  
Entity Common Stock, Shares Outstanding   748,824,164
Entity Small Business false  
Entity Emerging Growth Company false  
The Dow Chemical Company [Domain]    
Entity Information [Line Items]    
Entity Registrant Name DOW CHEMICAL CO /DE/  
Entity Central Index Key 0000029915  
Current Fiscal Year End Date --12-31  
Entity Filer Category Non-accelerated Filer  
Document Type 10-Q  
Document Period End Date Mar. 31, 2019  
Document Fiscal Year Focus 2019  
Document Fiscal Period Focus Q1  
Amendment Flag false  
Entity Common Stock, Shares Outstanding   100
Entity Small Business false  
Entity Emerging Growth Company false