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Stock-Based Compensation Plans (Schedule Of Assumptions Used To Calculate The Fair Value Of Option Grants) (Details) - Employee Stock - shares shares in Millions | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items] |  |  |
Eligible employees purchase percentage of whole share of fair market value | 95.00% | 95.00% | 95.00%
Shares issued | 0.9 | 1.1 | 1.3

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- Definition 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. + References No definition available. + Details
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