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Employee Benefits - Benefit Obligations Actuarial Assumptions (Details) | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
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Defined Benefit Plan Disclosure [Line Items] |  |  |
Ultimate health care cost trend rate | 4.50% |  |
Minimum |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Initial health care cost trend rate | 6.20% |  |
Maximum |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Initial health care cost trend rate | 7.90% |  |
Combined Pension Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Discount rate | 5.62% | 5.21% |
Rate of compensation increase | 3.25% | 3.25% |
Post-Retirement Benefit Plans |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Discount rate | 5.60% | 5.20% |
Ultimate health care cost trend rate | 4.50% | 4.50% | 4.50%
Post-Retirement Benefit Plans | Minimum |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Initial health care cost trend rate | 6.20% | 5.40% |
Post-Retirement Benefit Plans | Maximum |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Initial health care cost trend rate | 7.90% | 7.50% |

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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 increase of compensation, used to determine benefit obligation of defined benefit plan. Plan includes, but is not limited to, pay-related 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)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-1 + 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 Assumed rate, for next fiscal year, based on annual change in cost of health care cost benefits used to measure expected cost of benefits covered by defined benefit postretirement plan. Factors include, but are not limited to, estimate of health care inflation, change in health care utilization or delivery pattern, technological advances, and change in health status of participant. Excludes factors for change in composition of plan population by age and dependency status. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (l) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-1 + Details
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- Definition Ultimate trend rate for health care cost for defined benefit postretirement plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (l) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-1 + Details
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