v3.26.1
MORTGAGE BANKING AND OTHER SERVICED LOANS - Narrative (Details) - USD ($)
$ in Billions
6 Months Ended
Jun. 30, 2026
Dec. 31, 2025
Residential mortgages    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
MSR loans $ 94.6 $ 94.9
Minimum    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Sensitivity analysis, basis spread 10.00%  
Maximum    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Sensitivity analysis, basis spread 20.00%