INDUSTRY SEGMENT INFORMATION Sales by Industry Segment (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Segment Reporting Information [Line Items]
Net Sales	$ 5,913	$ 5,266	$ 17,196	$ 15,698
Industrial Packaging
Segment Reporting Information [Line Items]
Net Sales	3,734	3,491	10,939	10,422
Global Cellulose Fibers
Segment Reporting Information [Line Items]
Net Sales	654	242	1,830	713
Printing Papers
Segment Reporting Information [Line Items]
Net Sales	1,039	1,019	3,051	3,003
Consumer Packaging
Segment Reporting Information [Line Items]
Net Sales	491	494	1,431	1,490
Corporate and Intersegment Sales
Segment Reporting Information [Line Items]
Net Sales	$ (5)	$ 20	$ (55)	$ 70