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Benefit Plans (Schedule of Amounts Recognized in Other Comprehensive Income) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Retirement Benefits [Abstract]
Amounts arising during the period	$ 22	$ 50	$ (12)
Pension settlement transaction loss	371	0	0
Reclassification adjustment relating to prior service credit	0	0	0
Reclassification adjustment relating to actuarial loss	30	34	30
Total increase (decrease) in Other comprehensive income	$ 423	$ 84	$ 18

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