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Debt And Related Expenses (Schedule of Net Financing Cost Components) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Debt Disclosure [Abstract]
Interest based on debt outstanding	$ 96	$ 93	$ 189	$ 185
Interest income	(15)	(2)	(32)	(3)
Other	(3)	(7)	(7)	(13)
Total net financing costs	$ 78	$ 84	$ 150	$ 169

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

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