Environmental (Tables)

9 Months Ended

Sep. 30, 2019

Environmental Remediation Obligations [Abstract]

Schedule of Environmental Remediation Reserves

The components of environmental remediation liabilities are as follows:

	As of September 30, 2019	As of December 31, 2018
	(In $ millions)
Demerger obligations (Note 19)	24	26
Divestiture obligations (Note 19)	12	16
Active sites	13	14
US Superfund sites	12	11
Other environmental remediation liabilities	2	2
Total	63	69