INDUSTRY SEGMENT INFORMATION Operating Profit by Industry Segment (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Operating profit	$ 237	$ 352	$ 728	$ 992
Earnings (Loss) From Continuing Operations	150	192	704	586
Income tax provision (benefit)	(71)	39	(337)	120
Equity Earnings	1	1	4	2
Earnings (loss) from continuing operations before income taxes and equity earnings	80	232	371	708
Interest expense, net	51	58	152	179
Noncontrolling Interest in Net Income (Loss) Other Noncontrolling Interests, Redeemable	(1)	0	(4)	0
Corporate expenses, net	5	20	52	36
Corporate net special items	89	29	163	29
SegmentReportingInformationBusinessSpecialItems	25	0	28	0
Non-operating pension expense (income)	(12)	13	(34)	40
Industrial Packaging
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Operating profit	197	325	704	951
Global Cellulose Fibers
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Operating profit	$ 40	$ 27	$ 24	$ 41