Plant Relocation Plant Relocation (Narrative) (Details) In Millions, unless otherwise specified	3 Months Ended			1 Months Ended		3 Months Ended				65 Months Ended
	Mar. 31, 2012 USD ($)	Mar. 31, 2011 USD ($)	Dec. 31, 2011 USD ($)	Jun. 30, 2011 Advanced Engineered Materials [Member] Ticona Kelsterbach [Member] EUR (€)	Nov. 30, 2006 Advanced Engineered Materials [Member] Ticona Kelsterbach [Member] EUR (€)	Mar. 31, 2012 Advanced Engineered Materials [Member] Ticona Kelsterbach [Member] USD ($)		Mar. 31, 2011 Advanced Engineered Materials [Member] Ticona Kelsterbach [Member] USD ($)		Mar. 31, 2012 Advanced Engineered Materials [Member] Ticona Kelsterbach [Member] USD ($)		Mar. 31, 2012 Advanced Engineered Materials [Member] Ticona Kelsterbach [Member] EUR (€)
Plant Relocation [Line Items]
Proceeds originally expected under plant relocation agreement					€ 670
Property, plant and equipment, net	3,329		3,269									70
Other assets, noncurrent	368		344									39
Deferred proceeds from Ticona Kelsterbach plant relocation	$ 0	$ 0		€ 110		$ 0	[1]	$ 0	[1]	$ 907	[1]

[1] Included in noncurrent Other liabilities in the unaudited consolidated balance sheets. Amounts reflect the US dollar equivalent at the time of receipt.