(Schedule of Deferred Tax Assets and Liabilities) (Details) - USD ($) $ in Millions		Dec. 31, 2024	Dec. 31, 2023
Income Tax Disclosure [Abstract]
Postretirement benefit accruals		$ 72	$ 67
Pension obligations		63	61
Tax credits		183	182
Net operating and capital loss carryforwards		1,181	699
Compensation reserves		224	146
Lease obligations		112	116
Environmental reserves		131	114
Investments		4	0
Research and development expenditures		240	162
Other		203	157
Gross deferred income tax assets		2,413	1,704
Less: valuation allowance (a)	[1]	(1,201)	(848)
Net deferred income tax asset		1,212	856
Intangibles		(133)	(141)
Investments		0	3
Right of use assets		(112)	(116)
Plants, properties and equipment		(1,528)	(1,650)
Forestlands, related installment sales, and investment in subsidiary		(486)	(485)
Gross deferred income tax liabilities		(2,259)	(2,389)
Net deferred income tax liability		$ (1,047)	$ (1,533)

[1] The net change in the total valuation allowance for the years ended December 31, 2024 and 2023 was an increase of $353 million and a increase of $171 million, respectively.