Annual report pursuant to Section 13 and 15(d)

Fair Values of Assets and Liabilities (Non-recurring/fair values of financial instruments) (Details 5)

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Fair Values of Assets and Liabilities (Non-recurring/fair values of financial instruments) (Details 5) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2013
Carrying Amount [Member]
Dec. 31, 2012
Carrying Amount [Member]
Dec. 31, 2013
Fair Value [Member]
Dec. 31, 2012
Fair Value [Member]
Dec. 31, 2013
Level 1 [Member]
Fair Value [Member]
Dec. 31, 2012
Level 1 [Member]
Fair Value [Member]
Dec. 31, 2013
Level 2 [Member]
Carrying Amount [Member]
Dec. 31, 2013
Level 2 [Member]
Fair Value [Member]
Dec. 31, 2012
Level 2 [Member]
Fair Value [Member]
Dec. 31, 2013
Level 3 [Member]
Fair Value [Member]
Dec. 31, 2012
Level 3 [Member]
Fair Value [Member]
Dec. 31, 2013
Total Estimated Fair Value [Member]
Fair Value [Member]
Dec. 31, 2012
Total Estimated Fair Value [Member]
Fair Value [Member]
Dec. 31, 2013
Nonrecurring Basis [Member]
Dec. 31, 2013
Nonrecurring Basis [Member]
Level 1 [Member]
Dec. 31, 2013
Nonrecurring Basis [Member]
Level 2 [Member]
Dec. 31, 2013
Nonrecurring Basis [Member]
Level 3 [Member]
Assets measured at fair value on a nonrecurring basis                                      
Fair value, Impaired loans                               $ 114,256 $ 0 $ 0 $ 114,256
Gain/(Losses), Impaired loans                               (39,228)      
Fair value, Accrued income and other assets                               27,664 0 0 27,664
Gain/(Losses), Accrued income and other assets                               4,302      
Financial Assets:                                      
Cash and short-term assets     1,058,175 1,333,727 1,058,175 1,333,727                          
Trading account securities 35,573 91,205 35,573 91,205 35,573 91,205                          
Loans held for sale 326,212 [1] 764,309 [1] 326,212 764,309 326,212 773,013 0 0   0 0 0 316,007 0 316,007        
Available-for-sale and other securities 7,308,753 7,566,175 7,308,753 7,566,175 7,308,753 7,566,175                          
Held-to-maturity securities, Total 3,836,667 1,743,876 3,836,667 1,743,876 3,760,898 1,794,105 0 0   3,760,898 1,794,105 0 0 3,760,898 1,794,105        
Net loans and direct financing leases 42,472,630 39,959,350 42,472,630 39,959,350 40,976,014 38,401,965 0 0   0 0 40,976,014 38,259,203 40,976,014 38,259,203        
Derivatives 153,880   200,029 385,697 200,029 385,697                          
Financial Liabilities:                                      
Deposits 47,506,718 46,252,683 47,506,718 46,252,683 48,132,550 46,330,715 0 0 42,279,542   39,136,127 5,853,008 7,194,588 48,132,550 46,330,715        
Short-term borrowings 552,143 589,814 552,143 589,814 543,552 584,671 0 0   0 0 543,552 584,671 543,552 584,671        
Federal Home Loan Bank advances 1,808,293 1,008,959 1,808,293 1,008,959 1,808,558 1,008,959                          
Other long term debt 1,349,119 158,784 1,349,119 158,784 1,342,890 156,719 0 0   0 2,124 1,342,890 154,595 1,342,890 156,719        
Subordinated notes 1,100,860 1,197,091 1,100,860 1,197,091 1,073,116 1,183,827 0 0 0   0 1,073,116 1,183,827 1,073,116 1,183,827        
Derivatives     $ 129,274 $ 152,188 $ 129,274 $ 152,188                          
[1] Amounts represent loans for which Huntington has elected the fair value option. See Note 19.