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, 2023
Dec. 31, 2022
Dec. 31, 2021
Derivative Instruments and Hedging Activities Disclosures [Line Items]      
Notional value $ 38,192 $ 42,636  
Commitments to Sell Loans [Member]      
Derivative Instruments and Hedging Activities Disclosures [Line Items]      
Commitments to sell residential real estate loans 674 766  
Derivative used in Mortgage Banking Activities      
Derivative Instruments and Hedging Activities Disclosures [Line Items]      
Notional value 1,668 1,120  
Trading assets 0 4  
Trading Liabilities (69) (78)  
Trading (losses) gains $ (10) $ (109) $ (26)