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Post-Employment and Other Long-Term Employees Benefits - Pension Plan Asset Allocation (Detail) | Dec. 31, 2023 | Dec. 31, 2022
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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 | 13.00% | 17.00%
Government debt securities |  |
Allocation of pension plan assets | 11.00% | 10.00%
Corporate debt securities |  |
Allocation of pension plan assets | 19.00% | 21.00%
Investment in funds |  |
Allocation of pension plan assets | 15.00% | 16.00%
Investment in funds | Time deposits and money market |  |
Defined benefit plan, plan assets target allocation percentage | 5.00% | 11.00%
Investment in funds | Corporate debt securities |  |
Defined benefit plan, plan assets target allocation percentage | 68.00% | 79.00%
Investment in funds | Equity securities |  |
Defined benefit plan, plan assets target allocation percentage | 24.00% |
Investment in funds | Other Instruments |  |
Defined benefit plan, plan assets target allocation percentage | 3.00% | 10.00%
Real estate |  |
Allocation of pension plan assets | 1.00% | 1.00%
Other (mainly insurance assets – contracts and reserves) |  |
Allocation of pension plan assets | 40.00% | 34.00%

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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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