Cover - USD ($) shares in Thousands, $ in Millions	12 Months Ended
	Dec. 31, 2019	Jun. 30, 2019
Cover page.
Document Type	10-K
Document Annual Report	true
Document Period End Date	Dec. 31, 2019
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
Entity Shell Company	false
Entity Public Float		$ 0.0
Entity Central Index Key	0001005011
Amendment Flag	false
Document Fiscal Year Focus	2019
Document Fiscal Period Focus	FY
Current Fiscal Year End Date	--12-31
Entity Common Stock, Shares Outstanding	0