Pulp And Tissue Restructuring (Schedule Of Cash Charges Recorded And Reconciled To Accrued Expenses) (Details) (Pulp And Tissue Restructuring [Member], Restructuring Cost [Member], USD $) In Millions, unless otherwise specified	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011
Pulp And Tissue Restructuring [Member] | Restructuring Cost [Member]
Pulp and Tissue Restructuring
Accrued expenses - beginning of year	$ 37	$ 0
Charges for workforce reductions	49	62
Cash payments	(65)	(34)
Currency and other	2	15
Accrued expenses - September 30	$ 23	$ 43