v3.26.1
PARTY-IN-INTEREST TRANSACTIONS - Summary of Party-In-Interest Transactions (Details) - EBP 002 - USD ($)
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
EBP, Related Party and Party-in-Interest Transactions [Line Items]    
Investments, at fair value $ 2,803,408,685 $ 2,342,405,323
Realized and unrealized gain on Huntington common stock $ 338,772,010 $ 281,265,401
Huntington common stock    
EBP, Related Party and Party-in-Interest Transactions [Line Items]    
Number of shares (in shares) 10,458,083 10,909,999
Investments, at fair value $ 181,447,740 $ 177,505,684
Dividends on Huntington common stock 6,611,097 7,003,263
Realized and unrealized gain on Huntington common stock 11,227,281 40,922,367
Fidelity managed funds    
EBP, Related Party and Party-in-Interest Transactions [Line Items]    
Investments, at fair value 781,215,393 660,236,416
Fidelity BrokerageLink    
EBP, Related Party and Party-in-Interest Transactions [Line Items]    
Investments, at fair value $ 40,114,697 $ 31,511,360