Quarterly report pursuant to Section 13 or 15(d)

MORTGAGE LOAN SALES AND SERVICING RIGHTS - Narrative (Details)

v3.23.1
MORTGAGE LOAN SALES AND SERVICING RIGHTS - Narrative (Details) - Residential mortgage - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Dec. 31, 2022
Servicing Assets at Fair Value [Line Items]      
Servicing income $ 24 $ 22  
Unpaid principal balance of third party serviced loans $ 32,500   $ 32,400