Quarterly report pursuant to Section 13 or 15(d)

DERIVATIVE FINANCIAL INSTRUMENTS - Asset and Liability Management (Details)

v3.24.3
DERIVATIVE FINANCIAL INSTRUMENTS - Asset and Liability Management (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2024
Sep. 30, 2023
Sep. 30, 2024
Sep. 30, 2023
Dec. 31, 2023
Notional Disclosures [Abstract]          
Notional Value $ 43,827   $ 43,827   $ 38,192
Increase (decrease) to net interest income due to derivative adjustment (57) $ (62) (195) $ (178)  
Not Designated as Hedging Instrument, Economic Hedge          
Notional Disclosures [Abstract]          
Notional Value 175   175   175
Fair Value Hedges | Derivatives designated as Hedging Instruments          
Notional Disclosures [Abstract]          
Notional Value 22,852   22,852   21,342
Cash Flow Hedges | Derivatives designated as Hedging Instruments          
Notional Disclosures [Abstract]          
Notional Value 20,800   20,800   16,675
Investment securities          
Notional Disclosures [Abstract]          
Notional Value 11,639   11,639   11,649
Investment securities | Not Designated as Hedging Instrument, Economic Hedge          
Notional Disclosures [Abstract]          
Notional Value 0   0   0
Investment securities | Fair Value Hedges | Derivatives designated as Hedging Instruments          
Notional Disclosures [Abstract]          
Notional Value 11,639   11,639   11,649
Investment securities | Cash Flow Hedges | Derivatives designated as Hedging Instruments          
Notional Disclosures [Abstract]          
Notional Value 0   0   0
Loans          
Notional Disclosures [Abstract]          
Notional Value 20,975   20,975   16,850
Loans | Not Designated as Hedging Instrument, Economic Hedge          
Notional Disclosures [Abstract]          
Notional Value 175   175   175
Loans | Fair Value Hedges | Derivatives designated as Hedging Instruments          
Notional Disclosures [Abstract]          
Notional Value 0   0   0
Loans | Cash Flow Hedges | Derivatives designated as Hedging Instruments          
Notional Disclosures [Abstract]          
Notional Value 20,800   20,800   16,675
Long-term debt          
Notional Disclosures [Abstract]          
Notional Value 11,213   11,213   9,693
Long-term debt | Not Designated as Hedging Instrument, Economic Hedge          
Notional Disclosures [Abstract]          
Notional Value 0   0   0
Long-term debt | Fair Value Hedges | Derivatives designated as Hedging Instruments          
Notional Disclosures [Abstract]          
Notional Value 11,213   11,213   9,693
Long-term debt | Cash Flow Hedges | Derivatives designated as Hedging Instruments          
Notional Disclosures [Abstract]          
Notional Value $ 0   $ 0   $ 0