v3.26.3
Summary of Significant Accounting Policies - Schedule of Cash, Cash Equivalents and Restricted Cash (Details) - USD ($)
$ in Millions
Sep. 30, 2026
Dec. 31, 2025
Sep. 30, 2025
Dec. 31, 2024
Accounting Policies [Abstract]        
Cash and cash equivalents $ 333 $ 231    
Restricted cash 413 587    
Cash, cash equivalents and restricted cash shown in the consolidated statements of cash flows $ 746 $ 818 $ 641 $ 733