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Intangibles (Schedule Of Intangible Assets) (Details) - USD ($) $ in Millions | Dec. 31, 2024 | Dec. 31, 2023
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Intangible Assets [Line Items] |  |
Gross Carrying Amount | $ 4,441 | $ 4,441
Accumulated Amortization | (1,177) | (856)
Net Carrying Amount | 3,264 | 3,585
Customer Relationships - Business [Member] |  |
Intangible Assets [Line Items] |  |
Gross Carrying Amount | 800 | 800
Accumulated Amortization | (267) | (194)
Net Carrying Amount | 533 | 606
Customer Relationships - Wholesale [Member] |  |
Intangible Assets [Line Items] |  |
Gross Carrying Amount | 3,491 | 3,491
Accumulated Amortization | (800) | (582)
Net Carrying Amount | 2,691 | 2,909
Trademarks and Tradenames [Member] |  |
Intangible Assets [Line Items] |  |
Gross Carrying Amount | 150 | 150
Accumulated Amortization | (110) | (80)
Net Carrying Amount | $ 40 | $ 70

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