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Pension and Postretirement Health and Life Benefits (Plan Asset Allocations) (Details) | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
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Defined Benefit Plan, Plan Assets, Actual Allocation, Percentage |  | 100.00% | 100.00%
Equity Securities [Member] |  |  |
Defined Benefit Plan, Plan Assets, Actual Allocation, Percentage |  | 42.00% | 36.00%
Equity Securities [Member] | Scenario, Forecast [Member] | Minimum [Member] |  |  |
Defined Benefit Plan, Plan Assets, Actual Allocation, Percentage | 35.00% |  |
Equity Securities [Member] | Scenario, Forecast [Member] | Maximum [Member] |  |  |
Defined Benefit Plan, Plan Assets, Actual Allocation, Percentage | 40.00% |  |
Debt Securities [Member] |  |  |
Defined Benefit Plan, Plan Assets, Actual Allocation, Percentage |  | 57.00% | 62.00%
Debt Securities [Member] | Scenario, Forecast [Member] | Minimum [Member] |  |  |
Defined Benefit Plan, Plan Assets, Actual Allocation, Percentage | 55.00% |  |
Debt Securities [Member] | Scenario, Forecast [Member] | Maximum [Member] |  |  |
Defined Benefit Plan, Plan Assets, Actual Allocation, Percentage | 60.00% |  |
Cash [Member] |  |  |
Defined Benefit Plan, Plan Assets, Actual Allocation, Percentage |  | 1.00% | 2.00%
Cash [Member] | Scenario, Forecast [Member] | Minimum [Member] |  |  |
Defined Benefit Plan, Plan Assets, Actual Allocation, Percentage | 0.00% |  |
Cash [Member] | Scenario, Forecast [Member] | Maximum [Member] |  |  |
Defined Benefit Plan, Plan Assets, Actual Allocation, Percentage | 5.00% |  |

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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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