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Debt And Related Expenses (Schedule of Net Financing Cost Components) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Debt Disclosure [Abstract]
Interest based on debt outstanding	$ 401	$ 369	$ 370
Interest income	(62)	(55)	(38)
Other	24	(6)	(23)
Total net financing costs	$ 363	$ 308	$ 309

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