Environmental (Tables)

12 Months Ended

Dec. 31, 2023

Environmental Remediation Obligations [Abstract]

Schedule of Environmental Remediation Reserves

The components of environmental remediation liabilities are as follows:

	As of December 31,
	2023	2022
	(In $ millions)
Demerger obligations (Note 19)	14	20
Divestiture obligations (Note 19)	13	14
Active sites	25	21
U.S. Superfund sites	8	10
Other environmental remediation liabilities	2	2
Total	62	67

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, 2023
	Ownership	Liability	Reserves(1)
	(In percentages)		(In $ millions)
InfraServ GmbH & Co. Gendorf KG	30	10	8
InfraServ GmbH & Co. Hoechst KG	31	40	65
Yncoris GmbH & Co. KG	22	22	1

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(1)Gross reserves maintained by the respective entity.