Quarterly report pursuant to Section 13 or 15(d)

VIEs - Trust Preferred Securities (Details)

v3.22.1
VIEs - Trust Preferred Securities (Details)
$ in Millions
3 Months Ended
Mar. 31, 2022
USD ($)
Variable Interest Entity  
Variable Interest Entity [Line Items]  
Principal amount of subordinated note/debenture issued to trust $ 179
Investment in unconsolidated subsidiary $ 8
Huntington Capital II | London Interbank Offered Rate (LIBOR)  
Variable Interest Entity [Line Items]  
Basis spread on variable rate 0.625%
Huntington Capital II | Variable Interest Entity  
Variable Interest Entity [Line Items]  
Rate 1.59%
Principal amount of subordinated note/debenture issued to trust $ 32
Investment in unconsolidated subsidiary $ 3
Sky Financial Capital Trust III | London Interbank Offered Rate (LIBOR)  
Variable Interest Entity [Line Items]  
Basis spread on variable rate 1.40%
Sky Financial Capital Trust III | Variable Interest Entity  
Variable Interest Entity [Line Items]  
Rate 2.37%
Principal amount of subordinated note/debenture issued to trust $ 72
Investment in unconsolidated subsidiary $ 2
Sky Financial Capital Trust IV | Variable Interest Entity  
Variable Interest Entity [Line Items]  
Rate 2.37%
Principal amount of subordinated note/debenture issued to trust $ 75
Investment in unconsolidated subsidiary $ 3