v3.26.1
MORTGAGE BANKING AND OTHER SERVICED LOANS - Changes Related to MSRs - Fair Value Method (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
MSRs      
Fair value as of beginning of the period $ 1,455    
Fair value at end of the period 1,462    
Residential mortgages      
MSRs      
Fair value as of beginning of the period 1,455 $ 1,491  
Amounts capitalized 48 27  
Sales 0 (72)  
Changes in unpaid principal balance (46) (39)  
Changes in fair value 5 (10)  
Fair value at end of the period 1,462 1,397  
MSR loans $ 94,800   $ 94,900
Federal Home Loan Mortgage Corporation (FHLMC)      
MSRs      
MSR loans   $ 10,500