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Cover - USD ($)	12 Months Ended
Cover - USD ($)	Dec. 31, 2020	Jun. 30, 2020
Cover [Abstract]
Document Type	10-K/A
Document Annual Report	true
Document Period End Date	Dec. 31, 2020
Document Transition Report	false
Entity File Number	033-80475
Entity Registrant Name	GRAPHIC PACKAGING INTERNATIONAL, LLC
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	84-0772929
Entity Address, Address Line One	1500 Riveredge Parkway, Suite 100
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	240-7200
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
ICFR Auditor Attestation Flag	false
Entity Shell Company	false
Entity Public Float		$ 0
Entity Central Index Key	0001005011
Amendment Flag	true
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	FY
Current Fiscal Year End Date	--12-31
Entity Common Stock, Shares Outstanding	0
Amendment Description	The purpose of this Amendment No. 1 on Form 10-K/A to Graphic Packaging International, LLC’s Annual Report on Form 10-K for the year ended December 31, 2020, filed with the Securities and Exchange Commission (the “SEC”) on February 16, 2021 (the “Form 10-K”) is to provide the information required by Items 10-14 in Part III of such Form 10-K. No other changes have been made to any of the disclosures in the Form 10-K. As required by Rule 12b-15 under the Securities Exchange Act of 1934, as amended (the “Exchange Act”), currently-dated certifications from the Company’s Chief Executive Officer and Chief Financial Officer have been included as exhibits to this Amendment No. 1.

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GRAPHIC PACKAGING INTERNATIONAL, LLC 10-K/A