Environmental (Schedule of Environmental Remediation Reserves) (Details) - USD ($) $ in Millions	Mar. 31, 2025	Dec. 31, 2024
Environmental Remediation Obligations [Abstract]
Demerger obligations (Note 13)	$ 15	$ 14
Divestiture obligations (Note 13)	13	14
Active sites	23	23
U.S. Superfund sites	10	10
Other environmental remediation liabilities	2	2
Total	$ 63	$ 63

Total costs accrued as of the balance sheet date for environmental loss contingencies.

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