Quarterly report pursuant to Section 13 or 15(d)

MORTGAGE LOAN SALES AND SERVICING RIGHTS - Narrative (Details)

v3.19.3
MORTGAGE LOAN SALES AND SERVICING RIGHTS - Narrative (Details) - Residential Mortgage - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Dec. 31, 2018
Servicing Assets at Fair Value [Line Items]          
Servicing income $ 16 $ 15 $ 47 $ 44  
Unpaid principal balance of third party serviced loans $ 21,700   $ 21,700   $ 21,000