Quarterly report pursuant to Section 13 or 15(d)

DERIVATIVE FINANCIAL INSTRUMENTS - Financial Assets And Liabilities That Are Offset (Details)

v3.23.3
DERIVATIVE FINANCIAL INSTRUMENTS - Financial Assets And Liabilities That Are Offset (Details)
$ in Millions
9 Months Ended
Sep. 30, 2023
USD ($)
group
Dec. 31, 2022
USD ($)
Derivative Instruments and Hedging Activities Disclosure [Abstract]    
Number of primary groups | group 2  
Aggregate credit risk, net of collateral $ 359 $ 227
Investment securities and cash collateral pledged by Huntington 207  
Investment securities and cash collateral pledged to Huntington $ 1,100