INDUSTRY SEGMENT INFORMATION (Sales by Industry Segment) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Segment Reporting Information [Line Items]
Net Sales	$ 5,691	$ 6,051	$ 16,922	$ 17,674
Industrial Packaging [Member]
Segment Reporting Information [Line Items]
Net Sales	3,642	3,754	10,889	11,247
Printing Papers [Member]
Segment Reporting Information [Line Items]
Net Sales	1,258	1,453	3,735	4,280
Consumer Packaging [Member]
Segment Reporting Information [Line Items]
Net Sales	809	876	2,384	2,548
Corporate and Intersegment Sales [Member]
Segment Reporting Information [Line Items]
Net Sales	$ (18)	$ (32)	$ (86)	$ (401)