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Pension Postretirement Benefits Plans - Schedule of Health Care Cost Trend Rates on Benefit Obligations (Details) | Dec. 31, 2024 | Dec. 31, 2023
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U.S. | Pension Plan |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Discount rate | 5.70% | 5.00%
U.S. | Postretirement Benefit Plans |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Discount rate | 5.60% | 5.10%
Health care cost trend rate (Pre-65 for U.S.) | 9.00% | 7.90%
Ultimate trend rate reached in 2035 for U.S. / 2040 for Canada | 4.50% | 4.50%
Canada | Postretirement Benefit Plans |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Discount rate | 4.70% | 4.70%
Health care cost trend rate (Pre-65 for U.S.) | 5.20% | 0.00%
Ultimate trend rate reached in 2035 for U.S. / 2040 for Canada | 4.10% | 4.10%

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- Definition Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Health Care Cost Trend Rate + References No definition available. + Details
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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 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 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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