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Environmental (Tables) | 9 Months Ended
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Sep. 30, 2025
Environmental Remediation Obligations [Abstract] |
Schedule of Environmental Remediation Reserves | The components of environmental remediation liabilities, contained in Current and Noncurrent Other Liabilities, are as follows:
| As of September 30, 2025 |  | As of December 31, 2024
| (In $ millions)
Demerger obligations (Note 14) | 21 |  |  | 14 |
Divestiture obligations (Note 14) | 15 |  |  | 14 |
Active sites | 24 |  |  | 23 |
U.S. Superfund sites | 9 |  |  | 10 |
Other environmental remediation liabilities | 2 |  |  | 2 |
Total | 71 |  |  | 63 |

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- Definition Tabular disclosure of material liabilities for remediation, site restoration, postclosure, monitoring commitments, or other exit costs that may occur on the sale, disposal or abandonment of a property as a result of unanticipated contamination of the assets. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 275 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 9 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482861/275-10-50-9 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 450 -SubTopic 20 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 5.Y.Q4) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480102/450-20-S99-1 + Details
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