EQUITY METHOD INVESTMENTS GPI Transactions Footnotes (Details) - Graphic Packaging LLC [Member] - Reportable Subsegments [Member] $ in Millions	12 Months Ended
Dec. 31, 2021 USD ($)
EQUITY METHOD INVESTMENTS GPI Transactions (Details) [Line Items]
Percentage share of expected tax benefits to be realized	0.50
Payments for Other Taxes	$ 310

Amount of cash outflow for taxes classified as other.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 25
-Subparagraph (g)
-URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3536-108585

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Balance Type:	credit
Period Type:	duration