v3.25.2
Related Party Transactions (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Related Party Transaction [Line Items]        
Dividends to stockholders of UL Solutions $ 26 $ 25 $ 52 $ 50
UL Standards & Engagement Transactions        
Related Party Transaction [Line Items]        
Incurred expenses 6 5 11 10
Related Party        
Related Party Transaction [Line Items]        
Dividends to stockholders of UL Solutions $ 18 $ 20 $ 36 $ 45