INDUSTRY SEGMENT INFORMATION Operating Profit by Industry Segment (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2023	Mar. 31, 2022
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Operating profit	$ 306	$ 348
Earnings (loss) from continuing operations before income taxes and equity earnings	221	362
Interest expense, net	62	69
Corporate expenses, net	8	12
Corporate net special items	0	(46)
Non-operating pension expense (income)	15	(49)
Industrial Packaging
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Operating profit	322	397
Global Cellulose Fibers
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Operating profit	$ (16)	$ (49)

Amount of income (loss) from continuing operations before deduction of income tax expense (benefit) and income (loss) attributable to noncontrolling interest, and addition of income (loss) from equity method investments.

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