Sales by Industry Segment (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Segment Reporting Information [Line Items]
Net Sales	$ 7,077	$ 6,648	$ 13,732	$ 13,035
Industrial Packaging
Segment Reporting Information [Line Items]
Net Sales	3,450	2,705	6,565	5,260
Printing Papers
Segment Reporting Information [Line Items]
Net Sales	1,510	1,585	3,070	3,115
Consumer Packaging
Segment Reporting Information [Line Items]
Net Sales	780	945	1,590	1,850
Distribution
Segment Reporting Information [Line Items]
Net Sales	1,500	1,655	2,975	3,295
Corporate and Intersegment Sales
Segment Reporting Information [Line Items]
Net Sales	$ (163)	$ (242)	$ (468)	$ (485)