Benefit Obligations (Schedule of Net Periodic Benefit Costs Recognized) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Defined Benefit Plan Disclosure [Line Items]
Actuarial (gain) loss on pension and postretirement plans	$ (45)	$ 37	$ 66
Pension Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	14	13	11
Interest cost	121	125	132
Expected return on plan assets	(130)	(135)	(132)
Actuarial (gain) loss on pension and postretirement plans	(46)	38	63
Curtailment (gain) loss	(3)	(7)	0
Settlement (gain) loss	0	0	1
Special termination benefit	0	1	0
Total	(44)	35	75
Other Postretirement Benefits Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	1	1	0
Interest cost	2	1	2
Expected return on plan assets	0	0	0
Actuarial (gain) loss on pension and postretirement plans	1	(1)	3
Curtailment (gain) loss	0	(2)	0
Settlement (gain) loss	0	0	0
Special termination benefit	0	0	0
Total	$ 4	$ (1)	$ 5