v3.25.3
Goodwill and Intangible Assets (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Dec. 31, 2024
Dec. 31, 2023
Goodwill and Intangible Assets            
Amortization expense $ 14 $ 15 $ 43 $ 45 $ 60 $ 64
Impairment of goodwill and intangible assets $ 525   $ 525   $ 0 $ 0