v3.26.3
Document and Entity Information
Oct. 19, 2026
Cover [Abstract]  
Entity Registrant Name SILGAN HOLDINGS INC
Amendment Flag false
Entity Central Index Key 0000849869
Document Type 8-K
Document Period End Date Oct. 19, 2026
Entity Incorporation State Country Code DE
Entity File Number 001-41459
Entity Tax Identification Number 06-1269834
Entity Address, Address Line One 601 Merritt 7
Entity Address, City or Town Norwalk
Entity Address, State or Province CT
Entity Address, Postal Zip Code 06851
City Area Code (203)
Local Phone Number 975-7110
Written Communications false
Soliciting Material false
Pre Commencement Tender Offer false
Pre Commencement Issuer Tender Offer false
Security 12b Title Common Stock, par value $0.01 per share
Trading Symbol SLGN
Security Exchange Name NYSE
Entity Emerging Growth Company false