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Pension and Other Postretirement Benefits - Schedule of Pension and Postretirement Plans Investment Policy and Weighted Average Asset Allocations (Details) | Dec. 31, 2022
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Equities | Minimum |
Defined Benefit Plan Disclosure [Line Items] |
Policy range | 20.00%
Equities | Maximum |
Defined Benefit Plan Disclosure [Line Items] |
Policy range | 55.00%
Fixed income | Minimum |
Defined Benefit Plan Disclosure [Line Items] |
Policy range | 25.00%
Fixed income | Maximum |
Defined Benefit Plan Disclosure [Line Items] |
Policy range | 55.00%
Other investments | Minimum |
Defined Benefit Plan Disclosure [Line Items] |
Policy range | 15.00%
Other investments | Maximum |
Defined Benefit Plan Disclosure [Line Items] |
Policy range | 35.00%

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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 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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