Environmental (Tables)

12 Months Ended

Dec. 31, 2012

Environmental Remediation Obligations [Abstract]

Environmental expenditures for preventative and remediation efforts are as follows:



	Year Ended December 31,
	2012	2011	2010
	(In $ millions)
Capital expenditures	40	30	19
Other expenditures ⁽¹⁾	45	41	47

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⁽¹⁾	Includes expenditures for US Superfund sites of $2 million, $2 million and $2 million for the years ended December 31, 2012, 2011 and 2010, respectively.

Schedule of Environmental Remediation Reserves

The components of environmental remediation reserves are as follows:



	As of December 31,
	2012	2011
	(In $ millions)
Demerger obligations (Note 23)	31	34
Divestiture obligations (Note 23)	21	24
Active sites	28	20
US Superfund sites	15	14
Other environmental remediation reserves	4	4
Total	99	96

Schedule of Environmental Remediation Efforts

Remediation efforts recorded are as follows:



	Year Ended December 31,
	2012	2011	2010
	(In $ millions)
Cost of sales	10	2	1
Selling, general and administrative expenses	3	6	8

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, 2012
	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	74

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