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Cover - USD ($)
 12 Months Ended
Dec. 31, 2024
Feb. 18, 2025
Jun. 30, 2024
Cover [Abstract]      
Document Type 10-K    
Document Annual Report true    
Document Period End Date Dec. 31, 2024    
Current Fiscal Year End Date --12-31    
Document Transition Report false    
Entity File Number 1-12139    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 65-0654331    
Entity Address, Address Line One 2415 Cascade Pointe Boulevard    
Entity Address, City or Town Charlotte    
Entity Address, State or Province NC    
Entity Address, Postal Zip Code 28208    
City Area Code 980    
Local Phone Number 221-3235    
Title of 12(b) Security Common Stock, par value $0.10 per share    
Trading Symbol SEE    
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 Emerging Growth Company false    
Entity Small Business false    
ICFR Auditor Attestation Flag true    
Document Financial Statement Error Correction [Flag] false    
Entity Shell Company false    
Entity Public Float     $ 5,050,950,838
Entity Common Stock, Shares Outstanding   145,761,886  
Documents Incorporated by Reference
Portions of the registrant’s definitive proxy statement for its 2025 Annual Meeting of Stockholders are incorporated by reference into Part III of this Form 10-K.
    
Amendment Flag false    
Document Fiscal Year Focus 2024    
Document Fiscal Period Focus FY    
Entity Registrant Name SEALED AIR CORP/DE    
Entity Central Index Key 0001012100