Environmental (Tables)

9 Months Ended

Sep. 30, 2013

Environmental Remediation Obligations [Abstract]

Schedule of Environmental Remediation Reserves

The components of environmental remediation reserves are as follows:

	As of September 30, 2013	As of December 31, 2012
	(In $ millions)
Demerger obligations (Note 17)	27	31
Divestiture obligations (Note 17)	22	21
Active sites	24	28
US Superfund sites	13	15
Other environmental remediation reserves	5	4
Total	91	99