Post-Employment and Other Long-Term Employees Benefits - Schedule of Accumulated Benefit Obligations (Details) - USD ($) $ in Millions	Dec. 31, 2025	Dec. 31, 2024
Pension Benefits
Defined Benefit Plan Disclosure [Line Items]
Accumulated benefit obligations	$ 974	$ 880
Other Long-Term Benefits
Defined Benefit Plan Disclosure [Line Items]
Accumulated benefit obligations	$ 71	$ 45

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details