v3.26.3
Summary of Significant Accounting Policies -Additional Information (Details) - USD ($)
$ / shares in Units, $ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Summary Of Significant Accounting Policies [Line Items]        
Net Income (Loss) $ 49 $ 29 $ 176 $ 122
Earnings Per Share, Diluted $ 0.57 $ 0.36 $ 2.11 $ 1.51
Change in Accounting Method Accounted for as Change in Estimate [Member]        
Summary Of Significant Accounting Policies [Line Items]        
Employee compensation     $ 5  
Net Income (Loss)     $ 4  
Earnings Per Share, Diluted     $ 0.05