Exit Activities and Asset Sales (Schedule of Retention Benefit Liability Roll Forward) (Details) $ in Millions	12 Months Ended
	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)
Restructuring Reserve [Roll Forward]
Other current liabilities	$ 209	$ 149
Retention Benefits
Restructuring Reserve [Roll Forward]
Retention benefit liability at beginning of period	16	21
Costs deferred as a regulatory asset	8	16
Costs paid or settled	(10)	(21)
Retention benefit liability at the end of the period	14	16
Other current liabilities	$ 14	$ 7