Environmental (Schedule of Environmental Remediation Reserves) (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Environmental Remediation Obligations [Abstract]
Demerger obligations (Note 19)	$ 20	$ 24
Divestiture obligations (Note 19)	14	14
Active sites	21	8
U.S. Superfund sites	10	12
Other environmental remediation liabilities	2	2
Total	$ 67	$ 60
Environmental Loss Contingency, Statement of Financial Position [Extensible Enumeration]	Other liabilities, Other liabilities	Other liabilities, Other liabilities