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Cover - USD ($)
 12 Months Ended
Dec. 31, 2022
Feb. 23, 2023
Jun. 30, 2022
Document Information [Line Items]      
Document Type 10-K    
Document Annual Report true    
Current Fiscal Year End Date --12-31    
Document Period End Date Dec. 31, 2022    
Document Transition Report false    
Entity File Number 000-50189    
Entity Registrant Name CROWN HOLDINGS, INC.    
Entity Incorporation, State or Country Code PA    
Entity Tax Identification Number 75-3099507    
Entity Address, Address Line One 14025 Riveredge Drive, Suite 300    
Entity Address, City or Town Tampa    
Entity Address, State or Province FL    
Entity Address, Postal Zip Code 33637-2015    
City Area Code 215    
Local Phone Number 698-5100    
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    
Entity Shell Company false    
Entity Public Float     $ 11,167,897,594
Entity Common Stock, Shares Outstanding   120,091,325  
Document Fiscal Year Focus 2022    
Document Fiscal Period Focus FY    
Amendment Flag false    
Entity Central Index Key 0001219601    
Documents Incorporated by Reference DOCUMENTS INCORPORATED BY REFERENCE
Document Parts Into Which Incorporated
Proxy Statement for the Annual Meeting of Shareholders to be held April 27, 2023 Part III to the extent described therein
    
Common Stock      
Document Information [Line Items]      
Title of 12(b) Security Common Stock $5.00 Par Value    
Trading Symbol CCK    
Security Exchange Name NYSE    
7 3/8% Debentures Due 2026      
Document Information [Line Items]      
Title of 12(b) Security 7 3/8% Debentures Due 2026    
Trading Symbol CCK26    
Security Exchange Name NYSE    
7 1/2% Debentures Due 2096      
Document Information [Line Items]      
Title of 12(b) Security 7 1/2% Debentures Due 2096    
Trading Symbol CCK96    
Security Exchange Name NYSE