Quarterly report pursuant to Section 13 or 15(d)

LOAN SALES AND SECURITIZATIONS - Residential Mortgage Portfolio, MSRs Fair Value Method (Details)

v3.10.0.1
LOAN SALES AND SECURITIZATIONS - Residential Mortgage Portfolio, MSRs Fair Value Method (Details) - USD ($)
$ in Millions
3 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Residential Mortgage    
Servicing Asset at Fair Value, Amount [Roll Forward]    
Fair value, end of period: $ 11 $ 13