v3.26.1
Related Party and Party-In-Interest Transactions (Details) - EBP 001 - STMicroelectronics N.V. stock fund - USD ($)
Dec. 31, 2025
Dec. 31, 2024
EBP, Related Party and Party-in-Interest Transactions [Line Items]    
EBP, investment, number of shares (in shares) 283,071 311,152
EBP, investment, cost $ 6,476,290 $ 7,130,504