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Intangible Assets - Classification of Amortization Expense (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Finite-Lived Intangible Assets [Line Items]        
Amortization expense $ 3 $ 4 $ 9 $ 12
Cost of revenues        
Finite-Lived Intangible Assets [Line Items]        
Amortization expense 2 3 6 $ 11
Research and development        
Finite-Lived Intangible Assets [Line Items]        
Amortization expense $ 1 $ 1 $ 3