Pulp And Tissue Restructuring (Narrative) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended					24 Months Ended
	Dec. 31, 2011	Dec. 31, 2011 Incremental Depreciation [Member]	Dec. 31, 2011 Charges For Workforce Reductions [Member]	Dec. 31, 2011 Asset Impairment [Member]	Dec. 31, 2011 Other Associated Costs [Member]	Dec. 31, 2012 Maximum [Member] Expected Completion Date December 2012 [Member]	Dec. 31, 2012 Minimum [Member] Expected Completion Date December 2012 [Member]
Sale or closure of manufacturing facilities	6
Expected completion date of restructuring plan	Dec. 31, 2012
Restructuring charges, before tax	$ 415	$ 252	$ 77	$ 58	$ 9	$ 600	$ 550
Restructuring charges, after tax						$ 420	$ 385