Goodwill And Other Intangibles Goodwill And Other Intangibles (Identifiable Intangible Assets (Footnotes) (Details) (Printing Papers [Member], USD $) In Millions, unless otherwise specified	12 Months Ended
Dec. 31, 2014
Printing Papers [Member]
Finite and Indefinite-Lived Intangible Assets [Line Items]
Impairment of Intangible Assets, Finite-lived	$ 15

The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of a finite-lived intangible asset to fair value.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 3

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16373-109275

Name:	us-gaap_ImpairmentOfIntangibleAssetsFinitelived
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration