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Debt And Related Expenses (Schedule of Net Financing Cost Components) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Debt Disclosure [Abstract]
Interest based on debt outstanding	$ 93	$ 92
Interest income	(17)	(1)
Other	(4)	(6)
Total net financing costs	$ 72	$ 85

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- Definition

Net financing costs other.

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- Definition

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

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 6
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The net amount of nonoperating interest income (expense).

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Amount of interest income earned from interest bearing assets classified as other.

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