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Pension and Postretirement Benefit Plans (Weighted Average Asset Allocation) (Details) - Pension plan | Dec. 31, 2024 | Dec. 31, 2023
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U.S. |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |
Asset allocation | 0.00% | 100.00%
U.S. | Equity securities |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |
Asset allocation | 0.00% | 0.00%
U.S. | Fixed income securities |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |
Asset allocation | 0.00% | 89.00%
U.S. | Other investments |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |
Asset allocation | 0.00% | 11.00%
U.K |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |
Asset allocation | 100.00% | 100.00%
U.K | Equity securities |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |
Asset allocation | 5.00% | 11.00%
U.K | Fixed income securities |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |
Asset allocation | 91.00% | 82.00%
U.K | Other investments |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |
Asset allocation | 4.00% | 7.00%

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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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