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Post-Employment and Other Long-Term Employees Benefits - Additional Information (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Defined Benefit Plan Disclosure [Line Items] |  |  |
Pension plans with accumulated benefit obligations in excess of plan assets, accumulated benefit obligation | $ 494 | $ 411 |
Pension plans with accumulated benefit obligations in excess of plan assets, fair value of plan assets | 175 | 182 |
Pension plans with expected projected benefit obligations in excess of plan assets, projected benefit obligation | 492 | 478 |
Pension and other postretirement benefits cost (reversal of cost) | 15 | 19 | $ 11
Accrued benefits related to defined contribution pension plans | 25 | 27 |
Annual cost of defined contribution plans | 117 | 114 | $ 100
Pension Benefits |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Pension plans with benefit obligations in excess of plan assets, benefit obligation | 967 | 950 |
Employer contributions | 25 | $ 26 |
Expected contribution in cash | $ 20 |  |

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