(Schedule of Deferred Tax Assets and Liabilities) (Details) - USD ($) $ in Millions		Dec. 31, 2022	Dec. 31, 2021
Income Tax Disclosure [Abstract]
Postretirement benefit accruals		$ 68	$ 84
Pension obligations		18	0
Tax credits		175	199
Net operating and capital loss carryforwards		568	661
Compensation reserves		151	184
Lease obligations		108	92
Environmental reserves		119	104
Other		271	189
Gross deferred income tax assets		1,478	1,513
Less: valuation allowance (a)	[1]	(677)	(708)
Net deferred income tax asset		801	805
Intangibles		(147)	(140)
Investments		(2)	(56)
Right of use assets		(108)	(92)
Pension obligations		0	34
Plants, properties and equipment		(1,778)	(1,776)
Forestlands, related installment sales, and investment in subsidiary		(485)	(1,279)
Gross deferred income tax liabilities		(2,520)	(3,377)
Net deferred income tax liability		$ (1,719)	$ (2,572)

[1] The net change in the total valuation allowance for the years ended December 31, 2022 and 2021 was a decrease of $(31) million and an increase of $27 million, respectively. The net change in the current year includes an increase impacting the future utilization of foreign deferred tax assets of $45 million.