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Pensions - Weighted Asset Allocation Percentages of Pension Plan Assets (Details) | Dec. 31, 2024 | Dec. 31, 2023
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Defined Benefit Plan Disclosure [Line Items] |  |
Weighted asset allocation percentage | 100.00% | 100.00%
Cash and cash equivalents |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Weighted asset allocation percentage | 2.70% | 1.00%
U.S. treasuries and agencies, corporate bond funds, and other fixed income |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Weighted asset allocation percentage | 47.70% | 65.20%
Equity funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Weighted asset allocation percentage | 23.60% | 9.60%
Hedge funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Weighted asset allocation percentage | 25.90% | 24.20%

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- Definition Percentage of actual investment allocation to total plan assets. Includes, but is not limited to, percentage on weighted-average basis if more than one plan. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d)(i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-1 + Details
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