GOODWILL AND OTHER INTANGIBLES Changes in Goodwill Balances (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2024	Dec. 31, 2023
Goodwill [Line Items]
Goodwill, Gross	$ 3,462	$ 3,465
Goodwill, Impaired, Accumulated Impairment Loss	(424)	(424)
Goodwill	3,038	3,041
Currency translation and other (a)	(3)
Industrial Packaging
Goodwill [Line Items]
Goodwill, Gross	3,410	3,413
Goodwill, Impaired, Accumulated Impairment Loss	(372)	(372)
Goodwill	3,038	3,041
Currency translation and other (a)	(3)
Global Cellulose Fibers
Goodwill [Line Items]
Goodwill, Gross	52	52
Goodwill, Impaired, Accumulated Impairment Loss	(52)	(52)
Goodwill	0	$ 0
Currency translation and other (a)	$ 0