Quarterly report pursuant to Section 13 or 15(d)

DERIVATIVE FINANCIAL INSTRUMENTS - MSR Hedging Activities (Details)

v3.20.2
DERIVATIVE FINANCIAL INSTRUMENTS - MSR Hedging Activities (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Dec. 31, 2019
Derivative Instruments and Hedging Activities Disclosures [Line Items]          
Derivative, Notional Amount $ 28,671   $ 28,671   $ 25,927
Derivative used in Mortgage Banking Activities          
Derivative Instruments and Hedging Activities Disclosures [Line Items]          
Derivative, Fair Value, Net 44   44   6
Derivative, Notional Amount 578   578   778
Trading Assets 56   56   $ 19
Derivative, Gain (Loss) on Derivative, Net $ (1) $ 20 $ 61 $ 44