Pension And Other Postretirement Benefits (Summary Of Assets In Excess Of/(Less Than) Benefit Obligation) (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
United States
Defined Benefit Plan Disclosure [Line Items]
Funded plans	$ (267)	$ (271)
Unfunded plans	(1,488)	(1,505)
Total	(1,755)	(1,776)
Pension Benefits - Non-U.S. [Member]
Defined Benefit Plan Disclosure [Line Items]
Funded plans	1,679	1,028
Unfunded plans	(3,499)	(3,924)
Total	$ (1,820)	$ (2,896)