Environmental (Tables)

12 Months Ended

Dec. 31, 2011

Environmental Remediation Obligations [Abstract]

Environmental expenditures for preventative and remediation efforts are as follows:



	Year Ended December 31,
	2011	2010	2009
	(In $ millions)
Capital expenditures	30	19	22
Other expenditures ⁽¹⁾	41	47	56
Total	71	66	78

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⁽¹⁾ Includes expenditures for US Superfund sites of $2 million, $2 million and $1 million for the years ended December 31, 2011, 2010 and 2009, respectively.

Schedule of Environmental Remediation Reserves

The components of environmental remediation reserves are as follows:



	As of December 31,
	2011	2010
	(In $ millions)
Demerger obligations (Note 23)	34	36
Divestiture obligations (Note 23)	24	26
Active sites	20	22
US Superfund sites	14	13
Other environmental remediation reserves	4	4
Total	96	101

Schedule of Environmental Remediation Efforts

Remediation efforts recorded are as follows:



	Year Ended December 31,
	2011	2010	2009
	(In $ millions)
Cost of sales	2	1	9
Selling, general and administrative expenses	6	8	6

Schedule of Environmental Ownership and Liability Percentages

The Company's ownership interest and environmental liability participation percentages for such liabilities which cannot be attributed to an InfraServ partner are as follows:



	As of December 31, 2011
	Ownership	Liability	Reserves ⁽¹⁾
	(In percentages)		(In $ millions)
InfraServ GmbH & Co. Gendorf KG	39	10	11
InfraServ GmbH & Co. Knapsack KG	27	22	1
InfraServ GmbH & Co. Hoechst KG	32	40	71

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⁽¹⁾ Gross reserves maintained by the respective InfraServ entity.