Nature of Business Operations Performance Fibers (Details) (Performance Fibers Segment [Member], USD $) In Millions, unless otherwise specified	12 Months Ended			36 Months Ended
	Dec. 31, 2013 t	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2013
Segment Reporting Information [Line Items]
Number of Production Facilities	2			2
Production Capacity in Metric Tons	675,000
Percentage of Sales to Export Customers	58.00%
Cellulose Specialties Expansion (CSE) [Member]
Segment Reporting Information [Line Items]
Strategic Capital	$ 141	$ 201	$ 43	$ 385
Increase in Cellulose Specialties Production Capacity	190,000
Cellulose Specialties Expansion (CSE) [Member] | Cellulose Specialties [Member]
Segment Reporting Information [Line Items]
Production Capacity in Metric Tons	675,000
Cellulose Specialties Expansion (CSE) [Member] | Cellulose Specialties [Member] | Minimum [Member]
Segment Reporting Information [Line Items]
Year Expected to Reach Capacity	2017
Cellulose Specialties Expansion (CSE) [Member] | Cellulose Specialties [Member] | Maximum [Member]
Segment Reporting Information [Line Items]
Year Expected to Reach Capacity	2018