Restructuring And Other Charges (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Restructuring Cost and Reserve [Line Items]
Restructuring costs and other charges	$ 16	$ 26	$ 52	$ 60
Pension/OPEB Special Termination Benefit Enhancements [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring costs and other charges				10
Severance And Employee Costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring costs and other charges			31	18
Other Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring costs and other charges			$ 21	$ 32