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Post-Employment and Other Long-Term Employees Benefits - Pension Plan Asset Allocation (Details) | Dec. 31, 2024 | Dec. 31, 2023
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Allocation of pension plan assets | 100.00% | 100.00%
Cash and cash equivalents |  |
Allocation of pension plan assets | 1.00% | 1.00%
Equity securities |  |
Allocation of pension plan assets | 14.00% | 13.00%
Government debt securities |  |
Allocation of pension plan assets | 10.00% | 11.00%
Corporate debt securities |  |
Allocation of pension plan assets | 14.00% | 19.00%
Investment funds |  |
Allocation of pension plan assets | 16.00% | 15.00%
Investment funds | Time deposits and money market |  |
Defined benefit plan, plan assets target allocation percentage | 15.00% | 5.00%
Investment funds | Equity Securities [Member] |  |
Defined benefit plan, plan assets target allocation percentage | 14.00% | 24.00%
Investment funds | Other Instruments |  |
Defined benefit plan, plan assets target allocation percentage | 2.00% | 3.00%
Investment funds | Corporate debt securities |  |
Defined benefit plan, plan assets target allocation percentage | 69.00% | 68.00%
Real estate |  |
Allocation of pension plan assets | 1.00% | 1.00%
Other (mainly insurance assets – contracts and reserves) |  |
Allocation of pension plan assets | 44.00% | 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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- 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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