INDUSTRY SEGMENT INFORMATION Sales 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 Information [Line Items]
Net sales	[1]	$ 5,389	$ 4,770	$ 10,626	$ 9,363
Consolidation, Eliminations
Segment Reporting Information [Line Items]
Net sales		110	60	231	128
Industrial Packaging
Segment Reporting Information [Line Items]
Net sales		4,491	4,030	8,897	7,960
Global Cellulose Fibers
Segment Reporting Information [Line Items]
Net sales		$ 788	$ 680	$ 1,498	$ 1,275

[1] Net sales are attributed to countries based on the location of the seller.