Annual report pursuant to Section 13 and 15(d)

DERIVATIVE FINANCIAL INSTRUMENTS - MSR Hedging Activities (Details)

v3.22.0.1
DERIVATIVE FINANCIAL INSTRUMENTS - MSR Hedging Activities (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Derivative Instruments and Hedging Activities Disclosures [Line Items]      
Notional value $ 21,577 $ 33,327  
Commitments to Sell Loans [Member]      
Derivative Instruments and Hedging Activities Disclosures [Line Items]      
Commitments to sell residential real estate loans 2,100 2,900  
Derivative used in Mortgage Banking Activities      
Derivative Instruments and Hedging Activities Disclosures [Line Items]      
Notional value 1,330 1,170  
Trading assets 19 43  
Trading (losses) gains $ (26) $ 52 $ 30