DERIVATIVE FINANCIAL INSTRUMENTS - Financial Assets And Liabilities That Are Offset (Details) $ in Millions |
3 Months Ended | |
---|---|---|
Mar. 31, 2022
USD ($)
group
|
Dec. 31, 2021
USD ($)
|
|
Derivative Instruments and Hedging Activities Disclosure [Abstract] | ||
Number of primary groups | group | 2 | |
Aggregate credit risk, net of collateral | $ 379 | $ 44 |
Investment securities and cash collateral pledged by Huntington | 209 | |
Investment securities and cash collateral pledged to Huntington | $ 492 |