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Derivative Financial Instruments (Schedule Of Derivative Financial Instruments Included In The Consolidated Balance Sheets) (Details) - USD ($) $ in Millions	Sep. 30, 2025	Dec. 31, 2024
Derivatives Fair Value [Line Items]
Gross Fair Value	$ 134	$ 23
Amounts Netted	0	0
Net Fair Value	134	23
Short-term Derivative Asset [Member]
Derivatives Fair Value [Line Items]
Gross Fair Value	165	78
Amounts Netted	(13)	(23)
Net Fair Value	152	55
Long-term Derivative Asset [Member]
Derivatives Fair Value [Line Items]
Gross Fair Value	5	5
Amounts Netted	(2)	(4)
Net Fair Value	3	1
Short-term Derivative Liability [Member]
Derivatives Fair Value [Line Items]
Gross Fair Value	(15)	(37)
Amounts Netted	13	23
Net Fair Value	(2)	(14)
Long-term Derivative Liability [Member]
Derivatives Fair Value [Line Items]
Gross Fair Value	(21)	(23)
Amounts Netted	2	4
Net Fair Value	$ (19)	$ (19)

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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