Annual report pursuant to Section 13 and 15(d)

DERIVATIVE FINANCIAL INSTRUMENTS - MSR Hedging Activities (Details)

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DERIVATIVE FINANCIAL INSTRUMENTS - MSR Hedging Activities (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Derivative Instruments and Hedging Activities Disclosures [Line Items]      
Notional value $ 42,636 $ 21,577  
Commitments to Sell Loans [Member]      
Derivative Instruments and Hedging Activities Disclosures [Line Items]      
Commitments to sell residential real estate loans 766 2,100  
Derivative used in Mortgage Banking Activities      
Derivative Instruments and Hedging Activities Disclosures [Line Items]      
Notional value 1,120 1,330  
Trading assets 4 19  
Trading Liabilities (78) 0  
Trading (losses) gains $ (109) $ (26) $ 52