v3.26.1
Basis of Presentation and Summary of Significant Accounting Policies - Cash and Cash Equivalents (Details) - USD ($)
$ in Millions
Jun. 30, 2026
Dec. 31, 2025
Jun. 30, 2025
Dec. 31, 2024
Accounting Policies [Abstract]        
Cash and cash equivalents $ 429 $ 456 $ 355  
Cash included in settlement processing assets 164   279  
Long term restricted cash 12   14  
Total cash, cash equivalents, and restricted cash $ 605 $ 644 $ 648 $ 641