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Retirement Plans (Weighted Average Asset Allocations, By Asset Category) (Details) | Dec. 31, 2024 | Dec. 31, 2023
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Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |
Weighted average asset allocation (in hundredths) | 100.00% | 100.00%
Equity Securities [Member] |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |
Weighted average asset allocation (in hundredths) | 26.00% | 49.00%
Debt Securities [Member] |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |
Weighted average asset allocation (in hundredths) | 62.00% | 40.00%
Alternative And Other Investments [Member] |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |
Weighted average asset allocation (in hundredths) | 12.00% | 11.00%

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- Definition Percentage of actual investment allocation to total plan assets. Includes, but is not limited to, percentage on weighted-average basis if more than one plan. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d)(i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-1 + Details
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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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