Environmental (Schedule of Environmental Remediation Reserves) (Details) - USD ($) $ in Millions |
Jun. 30, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Environmental Remediation Obligations [Abstract] | ||
| Demerger obligations (Note 14) | $ 15 | $ 24 |
| Divestiture obligations (Note 14) | 17 | 15 |
| Active sites | 22 | 23 |
| U.S. Superfund sites | 10 | 9 |
| Other environmental remediation liabilities | 2 | 2 |
| Total | $ 66 | $ 73 |
| Environmental Loss Contingency, Statement of Financial Position [Extensible Enumeration] | Other liabilities, Other liabilities | Other liabilities, Other liabilities |
| X | ||||||||||
- Definition Active sites. No definition available.
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| X | ||||||||||
- Definition Demerger obligations. No definition available.
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| X | ||||||||||
- Definition Divestiture obligations. No definition available.
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| X | ||||||||||
- Definition Other environmental remediation reserves. No definition available.
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| X | ||||||||||
- Definition US Superfund sites. No definition available.
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| X | ||||||||||
- Definition Total costs accrued as of the balance sheet date for environmental loss contingencies. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Indicates line item in statement of financial position that includes accrual for environmental loss contingency. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- References No definition available.
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