Annual report pursuant to Section 13 and 15(d)

DERIVATIVE FINANCIAL INSTRUMENTS - Financial Assets and Liabilities that are Offset (Details)

v3.25.0.1
DERIVATIVE FINANCIAL INSTRUMENTS - Financial Assets and Liabilities that are Offset (Details)
$ in Millions
12 Months Ended
Dec. 31, 2024
USD ($)
group
Dec. 31, 2023
USD ($)
Derivative Instruments and Hedging Activities Disclosure [Abstract]    
Number of primary groups | group 2  
Aggregate credit risk, net of collateral $ 192 $ 238
Investment securities and cash collateral pledged by Huntington 381  
Investment securities and cash collateral pledged to Huntington $ 304