Annual report pursuant to Section 13 and 15(d)

DERIVATIVE FINANCIAL INSTRUMENTS - Asset and Liability Management (Details)

v3.22.0.1
DERIVATIVE FINANCIAL INSTRUMENTS - Asset and Liability Management (Details) - USD ($)
$ in Millions
Dec. 31, 2021
Dec. 31, 2020
Notional Disclosures [Abstract]    
Notional value $ 21,577 $ 33,327
Derivatives designated as economic hedge    
Notional Disclosures [Abstract]    
Notional value 271 6,271
Fair Value Hedging    
Notional Disclosures [Abstract]    
Notional value 10,156 9,681
Cash Flow Hedging    
Notional Disclosures [Abstract]    
Notional value 11,150 17,375
Loans    
Notional Disclosures [Abstract]    
Notional value 11,421 18,646
Loans | Derivatives designated as economic hedge    
Notional Disclosures [Abstract]    
Notional value 271 1,271
Loans | Fair Value Hedging | Derivatives designated as Hedging Instruments    
Notional Disclosures [Abstract]    
Notional value 0 0
Loans | Cash Flow Hedging | Derivatives designated as Hedging Instruments    
Notional Disclosures [Abstract]    
Notional value 11,150 17,375
Investment securities    
Notional Disclosures [Abstract]    
Notional value 8,228 3,484
Investment securities | Derivatives designated as economic hedge    
Notional Disclosures [Abstract]    
Notional value 0 0
Investment securities | Fair Value Hedging | Derivatives designated as Hedging Instruments    
Notional Disclosures [Abstract]    
Notional value 8,228 3,484
Investment securities | Cash Flow Hedging | Derivatives designated as Hedging Instruments    
Notional Disclosures [Abstract]    
Notional value 0 0
Long-term debt    
Notional Disclosures [Abstract]    
Notional value 1,928 11,197
Long-term debt | Derivatives designated as economic hedge    
Notional Disclosures [Abstract]    
Notional value 0 5,000
Long-term debt | Fair Value Hedging | Derivatives designated as Hedging Instruments    
Notional Disclosures [Abstract]    
Notional value 1,928 6,197
Long-term debt | Cash Flow Hedging | Derivatives designated as Hedging Instruments    
Notional Disclosures [Abstract]    
Notional value $ 0 $ 0