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v3.23.1

Pension and Postretirement Plans (Asset Allocation) (Details 2) - Defined Benefit Pension Plans [Member] | Mar. 31, 2023 | Dec. 31, 2022
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Defined Benefit Plan Disclosure [Line Items] |  |
Defined Benefit Plan Assets Allocation (Percent) | 100.00% | 100.00%
U.S. equities [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Defined Benefit Plan Assets Allocation (Percent) | 57.00% | 59.00%
Private investment fund [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Defined Benefit Plan Assets Allocation (Percent) | 17.00% | 16.00%
International equities [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Defined Benefit Plan Assets Allocation (Percent) | 12.00% | 11.00%
U.S. stock index fund [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Defined Benefit Plan Assets Allocation (Percent) | 7.00% | 7.00%
U.S. fixed income [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Defined Benefit Plan Assets Allocation (Percent) | 7.00% | 7.00%

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + 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 -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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