v3.26.3
Document And Entity Information
Sep. 28, 2026
Cover [Abstract]  
Document Type 8-K
Amendment Flag false
Document Period End Date Sep. 28, 2026
Entity Registrant Name Graphic Packaging Holding Company
Entity Central Index Key 0001408075
Entity Emerging Growth Company false
Entity File Number 001-33988
Entity Incorporation, State or Country Code DE
Entity Tax Identification Number 26-0405422
Entity Address, Address Line One 1500 Riveredge Parkway
Entity Address, City or Town Atlanta
Entity Address, State or Province GA
Entity Address, Postal Zip Code 30328
City Area Code 770
Local Phone Number 240-7931
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common Stock, $0.01 par value per share
Trading Symbol GPK
Security Exchange Name NYSE