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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, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Debt Disclosure [Abstract] |  |  |  |
Interest based on debt outstanding | $ 125 | $ 98 | $ 378 | $ 273
Interest income | (18) | (19) | (42) | (46)
Other | 2 | 9 | 12 | 13
Total net financing costs | $ 109 | $ 88 | $ 348 | $ 240

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