Restructuring and Other Charges Schedule of Restructuring and Related Costs (Footnotes) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Restructuring Cost and Reserve [Line Items]
Severance costs	$ 15
Assets	28,684	31,528
Courtland Mill Shutdown [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, accelerated depreciation	464	73
Restructuring and Related Cost, Inventory Impairment	24
Severance costs	26	42
Other restructuring costs	40	3
Assets		470
Augusta Mill Paper Machine Shutdown [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, accelerated depreciation		39
Severance costs		2
Other restructuring costs		4
Other Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Severance costs		2
EMEA Packaging Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Severance costs			$ 17