GOODWILL AND OTHER INTANGIBLES Changes in Goodwill Balances (Details) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2024	Dec. 31, 2023
Goodwill [Line Items]
Goodwill, Gross	$ 3,464	$ 3,465
Goodwill, Impaired, Accumulated Impairment Loss	(424)	(424)
Goodwill	3,040	3,041
Currency translation and other	(1)
Industrial Packaging
Goodwill [Line Items]
Goodwill, Gross	3,412	3,413
Goodwill, Impaired, Accumulated Impairment Loss	(372)	(372)
Goodwill	3,040	3,041
Currency translation and other	(1)
Global Cellulose Fibers
Goodwill [Line Items]
Goodwill, Gross	52	52
Goodwill, Impaired, Accumulated Impairment Loss	(52)	(52)
Goodwill	0	$ 0
Currency translation and other	$ 0