(Schedule of Effective Income Tax Rate Reconciliation) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Income Tax Disclosure [Abstract]
Earnings (loss) from continuing operations before income taxes and equity earnings	$ 147	$ 382	$ 1,511
Statutory U.S. income tax rate	21.00%	21.00%	21.00%
Tax expense (benefit) using statutory U.S. income tax rate	$ 31	$ 80	$ 317
State and local income taxes	(62)	2	44
Impact of rate differential on non-U.S. permanent differences and earnings	(26)	(10)	1
Foreign valuation allowance	0	0	45
Tax Benefit on Exchange of Sylvamo Shares	0	0	(56)
Non-taxable income	(4)	(2)	(2)
Non-deductible business expenses	21	7	2
Non-deductible impairments	0	0	16
Non-deductible compensation	8	7	13
Tax audits	0	(4)	6
Deferred income tax provision (benefit), net	0	0	(604)
Effective Income Tax Rate Reconciliation, FDII, Amount	0	2	(8)
Effective Income Tax Rate Reconciliation, GILTI, Amount	32	0	27
Foreign tax credits	7	8	8
General business and other tax credits	(31)	(38)	(43)
Tax expense (benefit) on equity earnings	(1)	(4)	(1)
Legal entity restructuring expense (benefit)	(391)	4	0
Other, net	1	7	(1)
Income tax provision (benefit)	$ (415)	$ 59	$ (236)
Effective income tax rate	(282.00%)	15.00%	(16.00%)