Other (Charges) Gains, Net (Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Other (Charges) Gains, Net [Line Items]
Employee termination benefits	$ 2	$ 2
Kelsterbach plant relocation	0	2
Acetyl Intermediates and Industrial Specialties [Member] | Business Optimization [Member]
Other (Charges) Gains, Net [Line Items]
Employee termination benefits		2
Roussillon, France and Tarragona, Spain [Member] | Acetyl Intermediates [Member]
Other (Charges) Gains, Net [Line Items]
Employee termination benefits	2
Kelsterbach, Germany [Member] | Advanced Engineered Materials [Member]
Other (Charges) Gains, Net [Line Items]
Kelsterbach plant relocation		$ 2