INDUSTRY SEGMENT INFORMATION Operating Profit by Industry Segment (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Operating profit	$ 352	$ 464	$ 992	$ 1,397
Earnings (loss) from continuing operations before income taxes and equity earnings	232	313	708	1,189
Interest expense, net	58	123	179	266
Noncontrolling Interest in Net Income (Loss) Other Noncontrolling Interests, Redeemable	0	(1)	0	(2)
Corporate expenses, net	20	15	36	54
Corporate net special items	29	62	29	34
Non-operating pension expense (income)	13	(48)	40	(144)
Industrial Packaging
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Operating profit	325	369	951	1,326
Global Cellulose Fibers
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Operating profit	$ 27	$ 95	$ 41	$ 71