Environmental (Tables)

3 Months Ended

Mar. 31, 2015

Environmental Remediation Obligations [Abstract]

Schedule of Environmental Remediation Reserves

The components of environmental remediation reserves are as follows:

	As of March 31, 2015	As of December 31, 2014
	(In $ millions)
Demerger obligations (Note 16)	24	25
Divestiture obligations (Note 16)	19	21
Active sites	22	23
US Superfund sites	11	12
Other environmental remediation reserves	2	3
Total	78	84