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Employee Benefit Plans (The Weighted-Average Discount Rate Assumptions Used to Determine the Projected Benefit Obligations) (Detail) | Dec. 31, 2023 | Dec. 31, 2022
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Unfunded Supplemental Benefit Plans |  |
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Benefit Obligation [Abstract] |  |
Defined benefit pension plans, Discount rate | 5.21% | 5.56%

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- Definition Weighted average rate for present value of future retirement benefits cash flows, used to determine benefit obligation of defined benefit plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (k)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 + Details
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- Details
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