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Cover Page - USD ($)
$ in Billions
 12 Months Ended
Dec. 31, 2023
Feb. 07, 2024
Jun. 30, 2023
Cover [Abstract]      
Document Type 10-K    
Document Annual Report true    
Document Period End Date Dec. 31, 2023    
Current Fiscal Year End Date --12-31    
Document Transition Report false    
Entity File Number 1-16091    
Entity Registrant Name Avient Corporation    
Entity Incorporation, State or Country Code OH    
Entity Tax Identification Number 34-1730488    
Entity Address, Address Line One Avient Center    
Entity Address, Address Line Two 33587 Walker Road    
Entity Address, Postal Zip Code 44012    
Entity Address, City or Town Avon Lake    
Entity Address, State or Province OH    
City Area Code 440    
Local Phone Number 930-1000    
Title of 12(b) Security Common Shares, par value $.01 per share    
Trading Symbol AVNT    
Security Exchange Name NYSE    
Entity Well-known Seasoned Issuer Yes    
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 Public Float     $ 3.7
Entity Common Stock, Shares Outstanding   91,179,276  
Documents Incorporated by Reference
DOCUMENTS INCORPORATED BY REFERENCE
Part III of this Annual Report on Form 10-K incorporates by reference certain information from the registrant’s definitive Proxy Statement with respect to the 2024 Annual Meeting of Shareholders.
    
Entity Central Index Key 0001122976    
Amendment Flag false    
Document Fiscal Year Focus 2023    
Document Fiscal Period Focus FY