GOODWILL AND OTHER INTANGIBLES Changes in Goodwill Balances (Details) - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2023	Dec. 31, 2022
Goodwill [Line Items]
Beginning balance		$ 3,465
Accumulated impairment losses		(424)
Goodwill		3,042	$ 3,041
Currency translation and other (a)	[1]	1
Accumulated impairment loss additions / reductions		0
Accumulated impairment losses		(424)
Ending balance		3,466
Industrial Packaging
Goodwill [Line Items]
Beginning balance		3,413
Accumulated impairment losses		(372)
Goodwill		3,042	3,041
Currency translation and other (a)	[1]	1
Accumulated impairment loss additions / reductions		0
Accumulated impairment losses		(372)
Ending balance		3,414
Global Cellulose Fibers
Goodwill [Line Items]
Beginning balance		52
Accumulated impairment losses		(52)
Goodwill		0	$ 0
Currency translation and other (a)	[1]	0
Accumulated impairment loss additions / reductions		0
Accumulated impairment losses		(52)
Ending balance		$ 52

[1] Represents the effects of foreign currency translations