v3.26.3
Basis of Presentation and Summary of Significant Accounting Policies - Cash and Cash Equivalents (Details) - USD ($)
$ in Millions
Sep. 30, 2026
Dec. 31, 2025
Sep. 30, 2025
Dec. 31, 2024
Accounting Policies [Abstract]        
Cash and cash equivalents $ 311 $ 456 $ 412  
Cash included in settlement processing assets 166   162  
Long term restricted cash 14   13  
Total cash, cash equivalents, and restricted cash $ 491 $ 644 $ 587 $ 641