DERIVATIVE FINANCIAL INSTRUMENTS - Asset and Liability Management Add Info (Details) - USD ($) $ in Millions |
3 Months Ended | ||
|---|---|---|---|
Mar. 31, 2021 |
Mar. 31, 2020 |
Dec. 31, 2020 |
|
| Derivative Instruments and Hedging Activities Disclosure [Abstract] | |||
| Derivative, Notional Amount | $ 34,208 | $ 33,327 | |
| Increase decrease to net interest income due to derivative adjustment | $ 225 | $ 16 | |
| X | ||||||||||
- Definition Increase (decrease) to net interest income due to derivative adjustment. No definition available.
|
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Nominal or face amount used to calculate payment on derivative. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|