Annual report pursuant to Section 13 and 15(d)

SHARE-BASED COMPENSATION - Schedule of Assumptions (Details)

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SHARE-BASED COMPENSATION - Schedule of Assumptions (Details) - $ / shares
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Assumptions      
Risk-free interest rate 1.25% 0.48% 2.41%
Expected dividend yield 3.74% 6.98% 4.36%
Expected volatility of Huntington’s common stock 36.80% 39.70% 22.50%
Expected option term (years) 6 years 6 months 6 years 6 months 6 years 6 months
Weighted-average grant date fair value per share $ 3.93 $ 1.49 $ 1.91