Other (Charges) Gains, Net (Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Other (Charges) Gains, Net [Line Items]
Commercial disputes	$ 21	$ 0	$ 21	$ 0
ARO adjustment	1	0	4	0
Employee termination benefits	(3)	0	(6)	(3)
Kelsterbach plant relocation	0	(2)	0	(6)
Consumer Specialties [Member]
Other (Charges) Gains, Net [Line Items]
Commercial disputes	15
Acetyl Intermediates [Member]
Other (Charges) Gains, Net [Line Items]
Commercial disputes	6
Acetyl Intermediates and Industrial Specialties [Member] | Business Optimization [Member]
Other (Charges) Gains, Net [Line Items]
Employee termination benefits				(3)
Roussillon, France and Tarragona, Spain [Member] | Acetyl Intermediates [Member]
Other (Charges) Gains, Net [Line Items]
ARO adjustment			3
Employee termination benefits			(4)
Kelsterbach, Germany [Member] | Advanced Engineered Materials [Member]
Other (Charges) Gains, Net [Line Items]
Kelsterbach plant relocation				$ (6)