(Components Of Postretirement Benefit Expense) (Details) - Other Postretirement Benefits Plan [Member] - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
U.S. Plans
Defined Benefit Plan Disclosure [Line Items]
Interest cost	$ 6	$ 7	$ 5
Actuarial loss (gain)	1	0	3
Net periodic pension (income) expense	7	7	8
Non-U.S. Plans
Defined Benefit Plan Disclosure [Line Items]
Interest cost	0	0	0
Actuarial loss (gain)	0	0	0
Net periodic pension (income) expense	$ 0	$ 0	$ 0