Environmental (Schedule of Environmental Remediation Reserves) (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Environmental Remediation Obligations [Abstract]
Demerger obligations (Note 19)	$ 14	$ 14
Divestiture obligations (Note 19)	14	13
Active sites	23	25
U.S. Superfund sites	10	8
Other environmental remediation liabilities	2	2
Total	$ 63	$ 62
Environmental Loss Contingency, Statement of Financial Position [Extensible Enumeration]	Other liabilities, Other liabilities	Other liabilities, Other liabilities