v3.26.1
Leases, Premises and Equipment - Schedule of Depreciation Expense (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Leases [Abstract]        
Depreciation expense $ 10 $ 10 $ 20 $ 21