v3.25.3
Debt - Senior notes (Details) - USD ($)
$ in Millions
Sep. 30, 2025
Dec. 31, 2024
Oct. 07, 2020
Debt      
Outstanding Principal $ 972 $ 1,051  
4.75% Senior Notes Due 2028      
Debt      
Outstanding Principal 600 600 $ 600
Interest rate     4.75%
Aggregate unamortized premium $ 15 $ 19