v3.8.0.1
Document and Entity Information - shares
shares in Millions
3 Months Ended
Mar. 31, 2018
Apr. 30, 2018
Document And Entity Information [Abstract]    
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Mar. 31, 2018  
Document Fiscal Year Focus 2018  
Document Fiscal Period Focus Q1  
Trading Symbol NWL  
Entity Registrant Name NEWELL BRANDS INC  
Entity Central Index Key 0000814453  
Current Fiscal Year End Date --12-31  
Entity Filer Category Large Accelerated Filer  
Entity Common Stock, Shares Outstanding   485.7