v3.25.2
Mortgage Servicing - Narrative (Details) - USD ($)
$ in Millions
6 Months Ended 12 Months Ended
Jun. 30, 2025
Dec. 31, 2024
Mortgage Servicing    
Escrow balance $ 1,400 $ 1,410
Fee-based servicing portfolio    
Mortgage Servicing    
Escrow balance $ 1,410 $ 1,450
MSRs | Agency Business    
Mortgage Servicing    
Weighted average servicing fee rate (basis points) 0.374% 0.378%