INDUSTRY SEGMENT INFORMATION Sales by Industry Segment (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Segment Reporting Information [Line Items]
Net Sales	$ 5,833	$ 5,383	$ 11,454	$ 10,515
Industrial Packaging
Segment Reporting Information [Line Items]
Net Sales	4,022	3,785	7,849	7,362
Global Cellulose Fibers
Segment Reporting Information [Line Items]
Net Sales	692	612	1,369	1,176
Printing Papers
Segment Reporting Information [Line Items]
Net Sales	1,060	1,017	2,113	2,012
Corporate and Intersegment Sales
Segment Reporting Information [Line Items]
Net Sales	$ 59	$ (31)	$ 123	$ (35)