Cover
| 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 |