(Changes In Goodwill Balances) (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2024	Dec. 31, 2022	Dec. 31, 2023
Goodwill [Roll Forward]
Goodwill, beginning balance		$ 3,041
Currency translation and other (a)	[1]	(3)
Goodwill		3,462	$ 3,465	$ 3,465
Accumulated impairment losses		(424)	(424)	(424)
Goodwill, ending balance		3,038	3,041
EMEA Industrial Packaging
Goodwill [Roll Forward]
Goodwill, Impairment Loss			76
Industrial Packaging
Goodwill [Roll Forward]
Goodwill, beginning balance		3,041
Currency translation and other (a)	[1]	(3)
Goodwill		3,410	3,413	3,413
Accumulated impairment losses		(372)	(372)	(372)
Goodwill, ending balance		3,038	3,041
Global Cellulose Fibers
Goodwill [Roll Forward]
Goodwill, beginning balance		0
Currency translation and other (a)	[1]	0
Goodwill		52	52	52
Accumulated impairment losses		(52)	(52)	$ (52)
Goodwill, ending balance		$ 0	$ 0

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