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Employee Benefit Plans (The Weighted-Average Discount Rate Assumptions Used to Determine the Projected Benefit Obligations) (Detail)	Dec. 31, 2024	Dec. 31, 2023
Unfunded Supplemental Benefit Plans
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Benefit Obligation [Abstract]
Defined benefit pension plans, Discount rate	5.64%	5.21%

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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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Period Type:	instant

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- References

No definition available.

+ Details

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- Details

Name:	us-gaap_RetirementPlanTypeAxis=us-gaap_SupplementalEmployeeRetirementPlanDefinedBenefitMember
Namespace Prefix:
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Balance Type:
Period Type: