INDUSTRY SEGMENT INFORMATION Operating Profit by Industry Segment (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Operating profit	$ 334	$ 585	$ 640	$ 933
Earnings (loss) from continuing operations before income taxes and equity earnings	255	514	476	876
Interest expense, net	59	74	121	143
Noncontrolling Interest in Net Income (Loss) Other Noncontrolling Interests, Redeemable	0	(1)	0	(1)
Corporate expenses, net	8	27	16	39
Corporate net special items	0	18	0	(28)
Non-operating pension expense (income)	12	(47)	27	(96)
Industrial Packaging
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Operating profit	304	560	626	957
Global Cellulose Fibers
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Operating profit	$ 30	$ 25	$ 14	$ (24)