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Other Postretirement Benefit Plans - Schedule of Assumptions Used to Measure the Benefit Obligation for the Defined Benefit Pension Plans (Details) - Other Postretirement Benefits Plan | 12 Months Ended |
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Assumptions: |  |  |  |
Benefit cost, discount rate (as a percent) | 5.55% | 5.75% | 2.99% |
Benefit obligation, discount rate (as a percent) | 5.83% | 5.55% | 5.75% | 2.99%

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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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- Definition Weighted average rate for present value of future retirement benefits cash flows, used to determine net periodic benefit cost 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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