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Pension and Postretirement Benefits (Plan Assets by Percentage Allocation) (Details) | Dec. 31, 2023 | Dec. 31, 2022
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United States | Fixed Income |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Plan assets, target allocation (as a percent) | 65.00% |
Pension Plan | United States | Cash and Cash Equivalents |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Plan assets, target allocation (as a percent) | 1.00% | 1.00%
Plan assets, actual allocation (as a percent) | 2.00% | 1.00%
Pension Plan | United States | Equity Securities |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Plan assets, target allocation (as a percent) | 34.00% | 34.00%
Plan assets, actual allocation (as a percent) | 36.00% | 34.00%
Pension Plan | United States | Global Equity |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Plan assets, target allocation (as a percent) | 20.00% | 20.00%
Plan assets, actual allocation (as a percent) | 21.00% | 21.00%
Pension Plan | United States | Global Real Assets |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Plan assets, target allocation (as a percent) | 14.00% | 14.00%
Plan assets, actual allocation (as a percent) | 15.00% | 13.00%
Pension Plan | United States | Fixed Income |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Plan assets, target allocation (as a percent) | 65.00% | 65.00%
Plan assets, actual allocation (as a percent) | 62.00% | 65.00%
Pension Plan | United States | Diversified Credit |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Plan assets, target allocation (as a percent) | 14.00% | 14.00%
Plan assets, actual allocation (as a percent) | 15.00% | 18.00%
Pension Plan | United States | Liability Driven Investment |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Plan assets, target allocation (as a percent) | 51.00% | 51.00%
Plan assets, actual allocation (as a percent) | 47.00% | 47.00%
Pension Plan | Foreign Plan | Cash and Cash Equivalents |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Plan assets, target allocation (as a percent) | 0.00% | 1.00%
Plan assets, actual allocation (as a percent) | 0.00% | 1.00%
Pension Plan | Foreign Plan | Fixed Income |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Plan assets, target allocation (as a percent) | 51.00% | 50.00%
Plan assets, actual allocation (as a percent) | 51.00% | 50.00%
Pension Plan | Foreign Plan | Liability Driven Investment |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Plan assets, target allocation (as a percent) | 12.00% | 12.00%
Plan assets, actual allocation (as a percent) | 12.00% | 12.00%
Pension Plan | Foreign Plan | U.K. Government Gilt Index |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Plan assets, target allocation (as a percent) | 39.00% | 38.00%
Plan assets, actual allocation (as a percent) | 39.00% | 38.00%
Pension Plan | Foreign Plan | Other types |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Plan assets, target allocation (as a percent) | 49.00% | 49.00%
Plan assets, actual allocation (as a percent) | 49.00% | 49.00%
Pension Plan | Foreign Plan | Multi-Asset Category |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Plan assets, target allocation (as a percent) | 19.00% | 20.00%
Plan assets, actual allocation (as a percent) | 19.00% | 20.00%
Pension Plan | Foreign Plan | Buy-in Contracts |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Plan assets, target allocation (as a percent) | 18.00% | 19.00%
Plan assets, actual allocation (as a percent) | 18.00% | 19.00%
Pension Plan | Foreign Plan | Other |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Plan assets, target allocation (as a percent) | 12.00% | 10.00%
Plan assets, actual allocation (as a percent) | 12.00% | 10.00%

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- Definition Percentage of target 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/2003/role/exampleRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 17 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480482/715-20-55-17 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -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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