Quarterly report pursuant to Section 13 or 15(d)

LONG-TERM DEBT (Details)

v3.19.3
LONG-TERM DEBT (Details) - Senior Notes - USD ($)
$ in Millions
9 Months Ended
Sep. 30, 2019
Aug. 01, 2019
Jan. 29, 2019
Huntington National Bank Senior Note Due February 2021, No Coupon Rate [Member]      
Debt Instrument [Line Items]      
Debt face amount     $ 300
Debt percent of value 100.00%    
Debt Instrument, Redemption Price, Percentage 100.00%    
Huntington National Bank Senior Note Due April 2022, 3.125 Percent [Member]      
Debt Instrument [Line Items]      
Debt face amount     $ 500
Debt percent of value 99.909%    
Debt stated interest rate     3.125%
Debt Instrument, Redemption Price, Percentage 100.00%    
Huntington National Bank Senior Note Due August 2024 2.625 Percent      
Debt Instrument [Line Items]      
Debt face amount   $ 800  
Debt percent of value 99.781%    
Debt stated interest rate   2.625%  
Debt Instrument, Redemption Price, Percentage 100.00%