Plant Relocation (Details) In Millions	3 Months Ended		9 Months Ended		1 Months Ended	3 Months Ended	9 Months Ended				59 Months Ended
	Sep. 30, 2011 USD ($)	Sep. 30, 2010 USD ($)	Sep. 30, 2011 USD ($)	Sep. 30, 2010 USD ($)	Nov. 30, 2006 Advanced Engineered Materials [Member] Ticona Kelsterbach [Member] EUR (€)	Jun. 30, 2011 Advanced Engineered Materials [Member] Ticona Kelsterbach [Member] EUR (€)	Sep. 30, 2011 Advanced Engineered Materials [Member] Ticona Kelsterbach [Member] USD ($)		Sep. 30, 2010 Advanced Engineered Materials [Member] Ticona Kelsterbach [Member] USD ($)		Sep. 30, 2011 Advanced Engineered Materials [Member] Ticona Kelsterbach [Member] USD ($)
Deferred proceeds			$ 158	$ 0		€ 110	$ 158	[1]	$ 0	[1]	$ 907	[1]
Costs expensed	14	7	43	17			43		17		102
Costs capitalized							137	[2]	202	[2]	1,058	[2]
Lease buyout							0		0		22
Employee termination benefits	5	17	18	26			5		0		5
Increase (Decrease) in Accrued Capital Expenditures Plant Relocation							(37)		(17)
Proceeds Originally Expected Under Plant Relocation Agreement					670
Deferred proceeds from Ticona Kelsterbach plant relocation			$ 158	$ 0		€ 110	$ 158	[1]	$ 0	[1]	$ 907	[1]

[1] Included in noncurrent Other liabilities in the unaudited consolidated balance sheets.

[2] Includes a decrease in accrued capital expenditures of $37 million and $17 million for the nine months ended September 30, 2011 and 2010, respectively.