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Cover
Apr. 20, 2020
Feb. 04, 2020
Document Information [Line Items]    
Document Type 8-K  
Document Period End Date   Apr. 20, 2020
Entity Registrant Name   CROWN HOLDINGS, INC.
Entity Incorporation, State or Country Code PA  
Entity File Number   000-50189
Entity Tax Identification Number 75-3099507  
Entity Address, Address Line One   770 Township Line Road
Entity Address, City or Town   Yardley
Entity Address, State or Province   PA
Entity Address, Postal Zip Code   19067
City Area Code 215  
Local Phone Number 698-5100  
Written Communications false  
Soliciting Material false  
Pre-commencement Tender Offer false  
Pre-commencement Issuer Tender Offer false  
Entity Emerging Growth Company false  
Entity Central Index Key 0001219601  
Amendment Flag false  
New York Stock Exchange    
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 | New York Stock Exchange    
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 | New York Stock Exchange    
Document Information [Line Items]    
Title of 12(b) Security 7 1/2% Debentures Due 2096  
Trading Symbol CCK96  
Security Exchange Name NYSE