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Postretirement Benefit Plans - Weighted Average Allocations (Details) | Dec. 31, 2023 | Dec. 31, 2022
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Fixed income securities and cash equivalents | U.S. | Defined Benefit |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Actual plan asset allocation (in percent) | 65.00% | 65.00%
Fixed income securities and cash equivalents | U.S. | Retiree Health Care |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Actual plan asset allocation (in percent) | 80.00% | 65.00%
Fixed income securities and cash equivalents | Non-U.S. | Defined Benefit |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Actual plan asset allocation (in percent) | 77.00% | 76.00%
Fixed income securities and cash equivalents | Minimum | U.S. | Defined Benefit |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Targeted allocation (in percent) | 65.00% |
Fixed income securities and cash equivalents | Minimum | U.S. | Retiree Health Care |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Targeted allocation (in percent) | 75.00% |
Fixed income securities and cash equivalents | Minimum | Non-U.S. | Defined Benefit |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Targeted allocation (in percent) | 60.00% |
Fixed income securities and cash equivalents | Maximum | U.S. | Defined Benefit |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Targeted allocation (in percent) | 80.00% |
Fixed income securities and cash equivalents | Maximum | U.S. | Retiree Health Care |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Targeted allocation (in percent) | 85.00% |
Fixed income securities and cash equivalents | Maximum | Non-U.S. | Defined Benefit |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Targeted allocation (in percent) | 100.00% |
Equity securities | U.S. | Defined Benefit |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Actual plan asset allocation (in percent) | 35.00% | 35.00%
Equity securities | U.S. | Retiree Health Care |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Actual plan asset allocation (in percent) | 20.00% | 35.00%
Equity securities | Non-U.S. | Defined Benefit |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Actual plan asset allocation (in percent) | 23.00% | 24.00%
Equity securities | Minimum | U.S. | Defined Benefit |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Targeted allocation (in percent) | 20.00% |
Equity securities | Minimum | U.S. | Retiree Health Care |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Targeted allocation (in percent) | 15.00% |
Equity securities | Minimum | Non-U.S. | Defined Benefit |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Targeted allocation (in percent) | 0.00% |
Equity securities | Maximum | U.S. | Defined Benefit |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Targeted allocation (in percent) | 35.00% |
Equity securities | Maximum | U.S. | Retiree Health Care |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Targeted allocation (in percent) | 25.00% |
Equity securities | Maximum | Non-U.S. | Defined Benefit |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Targeted allocation (in percent) | 40.00% |

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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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