Financial Information By Industry Segment And Geographic Area (Information By Industry Segment, External Sales By Major Product) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014		Dec. 31, 2013		Dec. 31, 2012
Segment Reporting Information [Line Items]
Revenue, Net	$ 5,943	$ 6,051	$ 5,899	$ 5,724	$ 5,848	$ 5,975	$ 5,944	$ 5,716	$ 23,617	[1]	$ 23,483	[1]	$ 21,852	[1]
Industrial Packaging [Member]
Segment Reporting Information [Line Items]
Revenue, Net									14,944		14,810		13,280
Printing Papers [Member]
Segment Reporting Information [Line Items]
Revenue, Net									5,720		6,205		6,230
Consumer Packaging [Member]
Segment Reporting Information [Line Items]
Revenue, Net									3,403		3,435		3,170
External Sales By Major Product [Member]
Segment Reporting Information [Line Items]
Revenue, Net									23,617		23,483		21,852
External Sales By Major Product [Member] | Industrial Packaging [Member]
Segment Reporting Information [Line Items]
Revenue, Net									14,837		14,729		13,223
External Sales By Major Product [Member] | Printing Papers [Member]
Segment Reporting Information [Line Items]
Revenue, Net									5,360		5,443		5,483
External Sales By Major Product [Member] | Consumer Packaging [Member]
Segment Reporting Information [Line Items]
Revenue, Net									3,307		3,311		3,146
External Sales By Major Product [Member] | Corporate and Other [Member]
Segment Reporting Information [Line Items]
Revenue, Net									$ 113		$ 0		$ 0

[1] Net sales are attributed to countries based on the location of the seller.