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Employee Benefits Schedule of Allocation of Plan Assets (Details) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2023 | Dec. 31, 2022
Defined Benefit Plan Disclosure [Line Items] |  |
Document Period End Date | Dec. 31, 2023 |
Defined Benefit Pension Plan [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage | 100.00% | 100.00%
Defined Benefit Plan, Plan Assets, Actual Allocation, Percentage | 100.00% | 100.00%
Defined Benefit Pension Plan [Member] | Collective trust funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage | 55.00% | 55.00%
Defined Benefit Plan, Plan Assets, Actual Allocation, Percentage | 53.00% | 55.00%
Defined Benefit Pension Plan [Member] | Debt Securities [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage | 45.00% | 45.00%
Defined Benefit Plan, Plan Assets, Actual Allocation, Percentage | 47.00% | 45.00%
Other Postretirement Benefit Plans [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage | 100.00% | 100.00%
Defined Benefit Plan, Plan Assets, Actual Allocation, Percentage | 100.00% | 100.00%
Other Postretirement Benefit Plans [Member] | Collective trust funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage | 39.00% | 40.00%
Defined Benefit Plan, Plan Assets, Actual Allocation, Percentage | 41.00% | 39.00%
Other Postretirement Benefit Plans [Member] | Debt Securities [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage | 61.00% | 60.00%
Defined Benefit Plan, Plan Assets, Actual Allocation, Percentage | 59.00% | 61.00%
Non Qualified Benefit Plans [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage | 100.00% | 100.00%
Defined Benefit Plan, Plan Assets, Actual Allocation, Percentage | 100.00% | 100.00%
Non Qualified Benefit Plans [Member] | Collective trust funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage | 4.00% | 5.00%
Defined Benefit Plan, Plan Assets, Actual Allocation, Percentage | 1.00% | 7.00%
Non Qualified Benefit Plans [Member] | Debt Securities [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage | 10.00% | 11.00%
Defined Benefit Plan, Plan Assets, Actual Allocation, Percentage | 13.00% | 9.00%
Non Qualified Benefit Plans [Member] | Other Contract [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage | 86.00% | 84.00%
Defined Benefit Plan, Plan Assets, Actual Allocation, Percentage | 86.00% | 84.00%

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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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