INDUSTRY SEGMENT INFORMATION Operating Profit by Industry Segment (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Operating profit	$ 585	$ 390	$ 933	$ 730
Earnings (loss) from continuing operations before income taxes and equity earnings	514	252	876	558
Interest expense, net	74	86	143	179
Noncontrolling interests adjustment	(1)	(1)	(1)	(2)
Corporate expenses, net	27	36	39	72
Corporate net special items	18	77	(28)	21
Business net special items	0	(9)	0	5
Non-operating pension expense (income)	(47)	(51)	(96)	(103)
Industrial Packaging
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Operating profit	560	389	957	810
Global Cellulose Fibers
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Operating profit	$ 25	$ 1	$ (24)	$ (80)