Quarterly report pursuant to Section 13 or 15(d)

DERIVATIVE FINANCIAL INSTRUMENTS - Asset and Liability Management (Details)

v3.23.3
DERIVATIVE FINANCIAL INSTRUMENTS - Asset and Liability Management (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Dec. 31, 2022
Notional Disclosures [Abstract]          
Notional Value $ 52,587   $ 52,587   $ 42,636
Increase (decrease) to net interest income due to derivative adjustment (62) $ 21 (178) $ 108  
Not Designated as Hedging Instrument, Economic Hedge          
Notional Disclosures [Abstract]          
Notional Value 15,625   15,625   175
Fair Value Hedging | Derivatives designated as Hedging Instruments          
Notional Disclosures [Abstract]          
Notional Value 19,287   19,287   18,136
Cash Flow Hedging | Derivatives designated as Hedging Instruments          
Notional Disclosures [Abstract]          
Notional Value 17,675   17,675   24,325
Investment securities          
Notional Disclosures [Abstract]          
Notional Value 27,169   27,169   10,407
Investment securities | Not Designated as Hedging Instrument, Economic Hedge          
Notional Disclosures [Abstract]          
Notional Value 15,450   15,450   0
Investment securities | Fair Value Hedging | Derivatives designated as Hedging Instruments          
Notional Disclosures [Abstract]          
Notional Value 11,719   11,719   10,407
Investment securities | Cash Flow Hedging | Derivatives designated as Hedging Instruments          
Notional Disclosures [Abstract]          
Notional Value 0   0   0
Loans          
Notional Disclosures [Abstract]          
Notional Value 17,850   17,850   24,500
Loans | Not Designated as Hedging Instrument, Economic Hedge          
Notional Disclosures [Abstract]          
Notional Value 175   175   175
Loans | Fair Value Hedging | Derivatives designated as Hedging Instruments          
Notional Disclosures [Abstract]          
Notional Value 0   0   0
Loans | Cash Flow Hedging | Derivatives designated as Hedging Instruments          
Notional Disclosures [Abstract]          
Notional Value 17,675   17,675   24,325
Long-term debt          
Notional Disclosures [Abstract]          
Notional Value 7,568   7,568   7,729
Long-term debt | Not Designated as Hedging Instrument, Economic Hedge          
Notional Disclosures [Abstract]          
Notional Value 0   0   0
Long-term debt | Fair Value Hedging | Derivatives designated as Hedging Instruments          
Notional Disclosures [Abstract]          
Notional Value 7,568   7,568   7,729
Long-term debt | Cash Flow Hedging | Derivatives designated as Hedging Instruments          
Notional Disclosures [Abstract]          
Notional Value $ 0   $ 0   $ 0