INDUSTRY SEGMENT INFORMATION Sales by Industry Segment (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Segment Reporting Information [Line Items]
Net sales	$ 4,734	$ 4,682	$ 9,353	$ 9,702
Global Cellulose Fibers [Member]
Segment Reporting Information [Line Items]
Net sales	717	698	1,421	1,509
Industrial Packaging
Segment Reporting Information [Line Items]
Net sales	3,931	3,884	7,739	7,967
Global Cellulose Fibers [Member]
Segment Reporting Information [Line Items]
Net sales	717	698	1,421	1,509
Global Cellulose Fibers [Member] | Global Cellulose Fibers [Member]
Segment Reporting Information [Line Items]
Net sales	717	698	1,421	1,509
Corporate and Other [Member] | Consolidation, Eliminations
Segment Reporting Information [Line Items]
Net sales	$ 86	$ 100	$ 193	$ 226