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Savings Plans, Pension Plans and Other Postretirement Employee Benefits (Long-Term Targeted Asset Allocation Ranges) (Details) - Pension Plans [Member] | Dec. 31, 2023
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Global Equities [Member] | Minimum [Member] |
Long-term targeted asset allocation | 5.00%
Global Equities [Member] | Maximum [Member] |
Long-term targeted asset allocation | 35.00%
Fixed Income Securities [Member] | Minimum [Member] |
Long-term targeted asset allocation | 50.00%
Fixed Income Securities [Member] | Maximum [Member] |
Long-term targeted asset allocation | 100.00%
Alternative Securities [Member] | Minimum [Member] |
Long-term targeted asset allocation | 0.00%
Alternative Securities [Member] | Maximum [Member] |
Long-term targeted asset allocation | 15.00%
Cash and Cash Equivalents [Member] | Minimum [Member] |
Long-term targeted asset allocation | 0.00%
Cash and Cash Equivalents [Member] | Maximum [Member] |
Long-term targeted asset allocation | 5.00%

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- Definition Percentage of target 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/2003/role/exampleRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 17 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480482/715-20-55-17 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -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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