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Debt And Related Expenses (Schedule of Net Financing Cost Components) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Debt Disclosure [Abstract]
Interest based on debt outstanding	$ 93	$ 92	$ 282	$ 277
Interest income	(11)	(19)	(43)	(22)
Other	(1)	(6)	(8)	(19)
Total net financing costs	$ 81	$ 67	$ 231	$ 236

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Amount of the cost of borrowed funds accounted for as interest expense for debt.

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