(Changes In Goodwill Balances) (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Goodwill [Roll Forward]
Goodwill, beginning balance		$ 3,041	$ 3,130
Currency translation and other (a)	[1]		(13)
Goodwill, Impairment Loss			(76)
Goodwill		3,465	3,465	$ 3,478
Accumulated impairment losses		(424)	(424)	(348)
Goodwill, ending balance		3,041	3,041
EMEA Industrial Packaging
Goodwill [Roll Forward]
Goodwill, Impairment Loss		(76)
Industrial Packaging
Goodwill [Roll Forward]
Goodwill, beginning balance		3,041	3,130
Currency translation and other (a)	[1]		(13)
Goodwill, Impairment Loss	[2]		(76)
Goodwill		3,413	3,413	3,426
Accumulated impairment losses		(372)	(372)	(296)
Goodwill, ending balance		3,041	3,041
Global Cellulose Fibers
Goodwill [Roll Forward]
Goodwill, beginning balance		0	0
Currency translation and other (a)	[1]		0
Goodwill, Impairment Loss			0
Goodwill		52	52	52
Accumulated impairment losses		(52)	(52)	$ (52)
Goodwill, ending balance		$ 0	$ 0

[1] Represents the effects of foreign currency translations and reclassifications.

[2] Reflects the impairment of the EMEA Industrial Packaging reporting unit.