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Cover Page - USD ($)
shares in Millions, $ in Billions
 12 Months Ended
Dec. 31, 2023
Feb. 14, 2024
Jun. 30, 2023
Cover Page [Abstract]      
Document Type 10-K    
Document Period End Date Dec. 31, 2023    
Current Fiscal Year End Date --12-31    
Entity File Number 1-9608    
Entity Registrant Name NEWELL BRANDS INC.    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 36-3514169    
Entity Address, Address Line One 6655 Peachtree Dunwoody Road,    
Entity Address, Postal Zip Code 30328    
Entity Address, City or Town Atlanta,    
Entity Address, State or Province GA    
City Area Code 770    
Local Phone Number 418-7000    
Title of 12(b) Security Common Stock, $1 par value per share    
Trading Symbol NWL    
Security Exchange Name NASDAQ    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Large Accelerated Filer    
Entity Small Business false    
Entity Emerging Growth Company false    
ICFR Auditor Attestation Flag true    
Document Financial Statement Error Correction Flag false    
Entity Shell Company false    
Entity Common Stock, Shares Outstanding   414.3  
Entity Public Float     $ 3.6
Documents Incorporated by Reference
Portions of the Registrant’s Definitive Proxy Statement for its Annual Meeting of Stockholders are incorporated by reference into Part III of this Annual Report on Form 10-K.
    
Amendment Flag false    
Document Fiscal Year Focus 2023    
Document Fiscal Period Focus FY    
Entity Central Index Key 0000814453    
Document Transition Report false    
Document Annual Report true