Other (Charges) Gains, Net (Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended		1 Months Ended		6 Months Ended			3 Months Ended	6 Months Ended		68 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011	Apr. 30, 2011 Acetyl Intermediates [Member]	Mar. 31, 2011 Acetyl Intermediates [Member]	Jun. 30, 2011 Acetyl Intermediates [Member]	Jun. 30, 2011 Pardies, France [Member] Acetyl Intermediates [Member]	Jun. 30, 2011 Spondon, UK [Member] Consumer Specialties [Member]	Jun. 30, 2011 Ticona Kelsterbach [Member] Advanced Engineered Materials [Member]	Jun. 30, 2012 Ticona Kelsterbach [Member] Advanced Engineered Materials [Member]	Jun. 30, 2011 Ticona Kelsterbach [Member] Advanced Engineered Materials [Member]	Jun. 30, 2012 Ticona Kelsterbach [Member] Advanced Engineered Materials [Member]
Other (Charges) Gains, Net [Line Items]
Employee termination benefits	$ 1	$ 9	$ 1	$ 13				$ 2	$ 5	$ 4	$ 0	$ 4	$ 8
Commercial dispute resolutions, bankrupt supplier					1	16	17
Commerical dispute resolutions, other							$ 4