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Employee Benefits Schedule of Allocation of Plan Assets (Details) | 12 Months Ended |
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Dec. 31, 2022 | Dec. 31, 2021
Defined Benefit Plan Disclosure [Line Items] |  |
Document Period End Date | Dec. 31, 2022 |
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% | 60.00%
Defined Benefit Plan, Plan Assets, Actual Allocation, Percentage | 55.00% | 61.00%
Defined Benefit Pension Plan [Member] | Debt Securities [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage | 45.00% | 40.00%
Defined Benefit Plan, Plan Assets, Actual Allocation, Percentage | 45.00% | 39.00%
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 | 40.00% | 57.00%
Defined Benefit Plan, Plan Assets, Actual Allocation, Percentage | 39.00% | 59.00%
Other Postretirement Benefit Plans [Member] | Debt Securities [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage | 60.00% | 43.00%
Defined Benefit Plan, Plan Assets, Actual Allocation, Percentage | 61.00% | 41.00%
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 | 5.00% | 7.00%
Defined Benefit Plan, Plan Assets, Actual Allocation, Percentage | 7.00% | 8.00%
Non Qualified Benefit Plans [Member] | Debt Securities [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage | 11.00% | 14.00%
Defined Benefit Plan, Plan Assets, Actual Allocation, Percentage | 9.00% | 13.00%
Non Qualified Benefit Plans [Member] | Other Contract [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage | 84.00% | 79.00%
Defined Benefit Plan, Plan Assets, Actual Allocation, Percentage | 84.00% | 79.00%

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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 -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 55 -Paragraph 17 -URI https://asc.fasb.org/extlink&oid=123450688&loc=d3e4179-114921 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(i) -URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 + Details
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