v3.25.2
Loans - Summary of the Financial Effect of Loan Payment Modifications (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Commercial loans | Business and corporate banking        
Financing Receivable, Modified [Line Items]        
Weighted-Average Interest Rate Reduction 0.20% 0.30% 0.20% 0.30%
Weighted-Average Term Extension / Payment Deferral (in years) 1 year 1 year 8 months 12 days 1 year 1 year 8 months 12 days
Commercial loans | Business and corporate banking | Principal Forgiven        
Financing Receivable, Modified [Line Items]        
Principal Forgiven (in millions) $ 0 $ 0 $ 0 $ 0
Commercial loans | Real estate, including construction        
Financing Receivable, Modified [Line Items]        
Weighted-Average Interest Rate Reduction   5.60%   5.60%
Weighted-Average Term Extension / Payment Deferral (in years)   4 years   4 years
Commercial loans | Real estate, including construction | Principal Forgiven        
Financing Receivable, Modified [Line Items]        
Principal Forgiven (in millions)   $ 0   $ 0
Consumer loans | Residential mortgages        
Financing Receivable, Modified [Line Items]        
Weighted-Average Interest Rate Reduction 1.00% 0.50% 1.00% 0.50%
Weighted-Average Term Extension / Payment Deferral (in years) 8 months 12 days 7 months 6 days 8 months 12 days 7 months 6 days
Consumer loans | Residential mortgages | Principal Forgiven        
Financing Receivable, Modified [Line Items]        
Principal Forgiven (in millions) $ 0 $ 0 $ 0 $ 0