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Savings, Pension and Other Postretirement Employee Benefit Plans - Long Term Asset Allocation Ranges (Details) | Dec. 31, 2022 USD ($)
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Defined Benefit Plan Disclosure [Line Items] |
Defined Benefit Plan, Number of Investment Options Holding Substantially All Pension Funds | 8
Minimum [Member] | Domestic equities |
Defined Benefit Plan Disclosure [Line Items] |
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage | 5.00%
Minimum [Member] | International equities, including emerging markets |
Defined Benefit Plan Disclosure [Line Items] |
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage | 5.00%
Minimum [Member] | Corporate bonds |
Defined Benefit Plan Disclosure [Line Items] |
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage | 80.00%
Minimum [Member] | Liquid reserves |
Defined Benefit Plan Disclosure [Line Items] |
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage | 0.00%
Maximum | Domestic equities |
Defined Benefit Plan Disclosure [Line Items] |
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage | 10.00%
Maximum | International equities, including emerging markets |
Defined Benefit Plan Disclosure [Line Items] |
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage | 10.00%
Maximum | Corporate bonds |
Defined Benefit Plan Disclosure [Line Items] |
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage | 90.00%
Maximum | Liquid reserves |
Defined Benefit Plan Disclosure [Line Items] |
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage | 5.00%

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- Definition Defined Benefit Plan, Number of Investment Options Holding Substantially All Pension Funds + References No definition available. + Details
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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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