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Employee Benefit Plans - Actual Asset Allocation Percentages (Details) | Dec. 31, 2022 | Dec. 31, 2021
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United States |  |
Employee benefit plans |  |
Actual Allocations | 100.00% | 100.00%
Mid-point of Target Allocation Range | 100.00% |
United States | Fixed income common trust funds |  |
Employee benefit plans |  |
Actual Allocations | 68.00% | 67.00%
Mid-point of Target Allocation Range | 65.00% |
United States | Commingled global fund allocation |  |
Employee benefit plans |  |
Actual Allocations | 6.00% | 6.00%
Mid-point of Target Allocation Range | 6.00% |
United States | Global equity common trust funds |  |
Employee benefit plans |  |
Actual Allocations | 15.00% | 15.00%
Mid-point of Target Allocation Range | 15.00% |
United States | U.S. Government securities |  |
Employee benefit plans |  |
Actual Allocations | 8.00% | 10.00%
Mid-point of Target Allocation Range | 12.00% |
United States | Short-term investments and other |  |
Employee benefit plans |  |
Actual Allocations | 3.00% | 2.00%
Mid-point of Target Allocation Range | 2.00% |
Foreign Plan |  |
Employee benefit plans |  |
Actual Allocations | 100.00% | 100.00%
Mid-point of Target Allocation Range | 100.00% |
Foreign Plan | Fixed income common trust funds |  |
Employee benefit plans |  |
Actual Allocations | 65.00% | 61.00%
Mid-point of Target Allocation Range | 66.00% |
Foreign Plan | Commingled global fund allocation |  |
Employee benefit plans |  |
Actual Allocations | 23.00% | 27.00%
Mid-point of Target Allocation Range | 23.00% |
Foreign Plan | Global equity common trust funds |  |
Employee benefit plans |  |
Actual Allocations | 11.00% | 9.00%
Mid-point of Target Allocation Range | 11.00% |
Foreign Plan | Non-U.S. Government securities |  |
Employee benefit plans |  |
Actual Allocations | 0.00% | 0.00%
Mid-point of Target Allocation Range | 0.00% |
Foreign Plan | Short-term investments |  |
Employee benefit plans |  |
Actual Allocations | 1.00% | 3.00%
Mid-point of Target Allocation Range | 0.00% |

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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 -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 55 -Paragraph 17 -URI https://asc.fasb.org/extlink&oid=123450688&loc=d3e4179-114921 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(i) -URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 + Details
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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 -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(i) -URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 + Details
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