Environmental (Tables)

6 Months Ended

Jun. 30, 2015

Environmental Remediation Obligations [Abstract]

Schedule of Environmental Remediation Reserves

The components of environmental remediation reserves are as follows:

	As of June 30, 2015	As of December 31, 2014
	(In $ millions)
Demerger obligations (Note 16)	24	25
Divestiture obligations (Note 16)	19	21
Active sites	20	23
US Superfund sites	14	12
Other environmental remediation reserves	2	3
Total	79	84