GOODWILL AND OTHER INTANGIBLES Changes in Goodwill Balances (Details) - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2022	Dec. 31, 2021
Goodwill [Line Items]
Beginning balance		$ 3,478
Accumulated impairment losses		(348)
Goodwill		3,128	$ 3,130
Currency translation and other (a)	[1]	(2)
Goodwill additions/reductions		0
Accumulated impairment loss additions / reductions		0
Accumulated impairment losses		(348)
Ending balance		3,476
Industrial Packaging
Goodwill [Line Items]
Beginning balance		3,426
Accumulated impairment losses		(296)
Goodwill		3,128	3,130
Currency translation and other (a)	[1]	(2)
Goodwill additions/reductions		0
Accumulated impairment loss additions / reductions		0
Accumulated impairment losses		(296)
Ending balance		3,424
Global Cellulose Fibers
Goodwill [Line Items]
Beginning balance		52
Accumulated impairment losses		(52)
Goodwill		0	$ 0
Currency translation and other (a)	[1]	0
Goodwill additions/reductions		0
Accumulated impairment loss additions / reductions		0
Accumulated impairment losses		(52)
Ending balance		$ 52

[1] Represents the effects of foreign currency translations