Other (Charges) Gains, Net (Schedule of Restructuring Reserves) (Details) (USD $) In Millions				9 Months Ended		9 Months Ended		9 Months Ended		9 Months Ended		9 Months Ended
Sep. 30, 2011	Dec. 31, 2010	Sep. 30, 2011 Advanced Engineered Materials [Member]	Sep. 30, 2011 Advanced Engineered Materials [Member] Employee Termination Benefits	Sep. 30, 2011 Advanced Engineered Materials [Member] Plant/Office Closures	Sep. 30, 2011 Consumer Specialties [Member]	Sep. 30, 2011 Consumer Specialties [Member] Employee Termination Benefits	Sep. 30, 2011 Consumer Specialties [Member] Plant/Office Closures	Sep. 30, 2011 Industrial Specialties [Member]	Sep. 30, 2011 Industrial Specialties [Member] Employee Termination Benefits	Sep. 30, 2011 Industrial Specialties [Member] Plant/Office Closures	Sep. 30, 2011 Acetyl Intermediates [Member]	Sep. 30, 2011 Acetyl Intermediates [Member] Employee Termination Benefits	Sep. 30, 2011 Acetyl Intermediates [Member] Plant/Office Closures	Sep. 30, 2011 Other Activities [Member]	Sep. 30, 2011 Other Activities [Member] Employee Termination Benefits	Sep. 30, 2011 Other Activities [Member] Plant/Office Closures	Sep. 30, 2011 Employee Termination Benefits	Sep. 30, 2011 Plant/Office Closures
Restructuring Cost and Reserve [Line Items]
Reserve as of December 31, 2010	$ 45	$ 57	$ 6	$ 3	$ 0	$ 18	$ 16	$ 0	$ 0	$ 0	$ 0	$ 8	$ 24	$ 3	$ 13	$ 10	$ 1	$ 53	$ 4
Additions				5	0		3	0		0	0		2	0		6	0	16	0
Cash payments				(2)	0		(1)	0		0	0		(19)	(2)		(3)	0	(25)	(2)
Other changes				0			0			0			0			(1)		(1)
Exchange rate changes				0	0		0	0		0	0		0	0		0	0	0	0
Reserve as of September 30, 2011	45	57	6	6	0	18	18	0	0	0	0	8	7	1	13	12	1	43	2
Total	$ 45	$ 57	$ 6	$ 6	$ 0	$ 18	$ 18	$ 0	$ 0	$ 0	$ 0	$ 8	$ 7	$ 1	$ 13	$ 12	$ 1	$ 43	$ 2

Amount of any reversal and other adjustment made during the period to the amount of a previously accrued liability for a specified type of restructuring cost, excluding adjustments for costs incurred during the period, costs settled during the period, and foreign currency translation adjustments.

Carrying amount as of the balance sheet date of known and estimated obligations associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, which are expected to be paid in the next twelve months or in the normal operating cycle if longer. Costs of such activities include those for one-time termination benefits, termination of an operating lease or other contract, consolidating or closing facilities, relocating employees, and costs associated with an ongoing benefit arrangement, but excludes costs associated with the retirement of a long-lived asset.

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