INDUSTRY SEGMENT INFORMATION (Sales by Industry Segment) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Segment Reporting Information [Line Items]
Net Sales	$ 5,714	$ 5,899	$ 11,231	$ 11,623
Industrial Packaging [Member]
Segment Reporting Information [Line Items]
Net Sales	3,694	3,800	7,247	7,493
Printing Papers [Member]
Segment Reporting Information [Line Items]
Net Sales	1,249	1,421	2,477	2,827
Consumer Packaging [Member]
Segment Reporting Information [Line Items]
Net Sales	797	843	1,575	1,672
Corporate and Intersegment Sales [Member]
Segment Reporting Information [Line Items]
Net Sales	$ (26)	$ (165)	$ (68)	$ (369)