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Benefit Plans (Allocation Of Plan Assets) (Details) | Dec. 31, 2023
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Pension Plans, Defined Benefit [Member] | Cash and equivalents [Member] |
Defined Benefit Plan Disclosure [Line Items] |
Actual allocation, percentage | 2.00%
Pension Plans, Defined Benefit [Member] | Equity securities [Member] |
Defined Benefit Plan Disclosure [Line Items] |
Actual allocation, percentage | 56.00%
Pension Plans, Defined Benefit [Member] | Global asset securities [Member] |
Defined Benefit Plan Disclosure [Line Items] |
Actual allocation, percentage | 5.00%
Pension Plans, Defined Benefit [Member] | Fixed income securities [Member] |
Defined Benefit Plan Disclosure [Line Items] |
Actual allocation, percentage | 37.00%
Other Postretirement Benefits Plans [Member] | Cash and equivalents [Member] |
Defined Benefit Plan Disclosure [Line Items] |
Actual allocation, percentage | 1.00%
Other Postretirement Benefits Plans [Member] | Equity securities [Member] |
Defined Benefit Plan Disclosure [Line Items] |
Actual allocation, percentage | 36.00%
Other Postretirement Benefits Plans [Member] | Fixed income securities [Member] |
Defined Benefit Plan Disclosure [Line Items] |
Actual allocation, percentage | 63.00%
Minimum [Member] | Pension Plans, Defined Benefit [Member] | Cash and equivalents [Member] |
Defined Benefit Plan Disclosure [Line Items] |
Target range allocation, percentage | 0.00%
Minimum [Member] | Pension Plans, Defined Benefit [Member] | Equity securities [Member] |
Defined Benefit Plan Disclosure [Line Items] |
Target range allocation, percentage | 47.00%
Minimum [Member] | Pension Plans, Defined Benefit [Member] | Global asset securities [Member] |
Defined Benefit Plan Disclosure [Line Items] |
Target range allocation, percentage | 0.00%
Minimum [Member] | Pension Plans, Defined Benefit [Member] | Fixed income securities [Member] |
Defined Benefit Plan Disclosure [Line Items] |
Target range allocation, percentage | 27.00%
Minimum [Member] | Other Postretirement Benefits Plans [Member] | Cash and equivalents [Member] |
Defined Benefit Plan Disclosure [Line Items] |
Target range allocation, percentage | 0.00%
Minimum [Member] | Other Postretirement Benefits Plans [Member] | Equity securities [Member] |
Defined Benefit Plan Disclosure [Line Items] |
Target range allocation, percentage | 0.00%
Minimum [Member] | Other Postretirement Benefits Plans [Member] | Fixed income securities [Member] |
Defined Benefit Plan Disclosure [Line Items] |
Target range allocation, percentage | 40.00%
Maximum [Member] | Pension Plans, Defined Benefit [Member] | Cash and equivalents [Member] |
Defined Benefit Plan Disclosure [Line Items] |
Target range allocation, percentage | 5.00%
Maximum [Member] | Pension Plans, Defined Benefit [Member] | Equity securities [Member] |
Defined Benefit Plan Disclosure [Line Items] |
Target range allocation, percentage | 67.00%
Maximum [Member] | Pension Plans, Defined Benefit [Member] | Global asset securities [Member] |
Defined Benefit Plan Disclosure [Line Items] |
Target range allocation, percentage | 15.00%
Maximum [Member] | Pension Plans, Defined Benefit [Member] | Fixed income securities [Member] |
Defined Benefit Plan Disclosure [Line Items] |
Target range allocation, percentage | 47.00%
Maximum [Member] | Other Postretirement Benefits Plans [Member] | Cash and equivalents [Member] |
Defined Benefit Plan Disclosure [Line Items] |
Target range allocation, percentage | 5.00%
Maximum [Member] | Other Postretirement Benefits Plans [Member] | Equity securities [Member] |
Defined Benefit Plan Disclosure [Line Items] |
Target range allocation, percentage | 55.00%
Maximum [Member] | Other Postretirement Benefits Plans [Member] | Fixed income securities [Member] |
Defined Benefit Plan Disclosure [Line Items] |
Target range allocation, percentage | 100.00%

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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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- 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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