DERIVATIVE FINANCIAL INSTRUMENTS - Asset and Liability Management Add Info (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2020 |
Dec. 31, 2019 |
Dec. 31, 2018 |
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| Derivative Instruments and Hedging Activities Disclosure [Abstract] | |||
| Increase decrease to net interest income due to derivative adjustment | $ 239 | $ (53) | $ (36) |
| X | ||||||||||
- Definition Increase (decrease) to net interest income due to derivative adjustment. No definition available.
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| X | ||||||||||
- References No definition available.
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