Quarterly report pursuant to Section 13 or 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
 3 Months Ended
Mar. 31, 2014
Dec. 31, 2013
Mar. 31, 2014
Carrying Amount [Member]
Dec. 31, 2013
Carrying Amount [Member]
Mar. 31, 2014
Fair Value [Member]
Dec. 31, 2013
Fair Value [Member]
Mar. 31, 2014
Level 1 [Member]
Fair Value [Member]
Dec. 31, 2013
Level 1 [Member]
Fair Value [Member]
Mar. 31, 2014
Level 2 [Member]
Fair Value [Member]
Dec. 31, 2013
Level 2 [Member]
Fair Value [Member]
Mar. 31, 2014
Level 3 [Member]
Fair Value [Member]
Dec. 31, 2013
Level 3 [Member]
Fair Value [Member]
Mar. 31, 2014
Total Estimated Fair Value [Member]
Fair Value [Member]
Dec. 31, 2013
Total Estimated Fair Value [Member]
Fair Value [Member]
Mar. 31, 2014
Nonrecurring Basis [Member]
Mar. 31, 2014
Nonrecurring Basis [Member]
Level 1 [Member]
Mar. 31, 2014
Nonrecurring Basis [Member]
Level 2 [Member]
Mar. 31, 2014
Nonrecurring Basis [Member]
Level 3 [Member]
Assets measured at fair value on a nonrecurring basis                                    
Fair value, Impaired loans                             $ 13,615 $ 0 $ 0 $ 13,615
Gain/(Losses), Impaired loans                             5,223      
Fair value, Accrued income and other assets                             35,691 0 0 35,691
Gain/(Losses), Accrued income and other assets                             353      
Financial Assets:                                    
Cash and short-term assets     1,044,495 1,058,175 1,044,495 1,058,175                        
Trading account securities 40,439 35,573 40,439 35,573 40,439 35,573                        
Loans held for sale 295,312 [1] 326,212 [1] 295,312 326,212 295,312 326,212 0 0 0 0 0 0 0 0        
Available-for-sale and other securities 7,754,790 7,308,753 7,754,790 7,308,753 7,754,790 7,308,753                        
Held-to-maturity securities, Total 3,734,723 3,836,667 3,734,723 3,836,667 3,701,496 3,760,898 0 0 3,701,496 3,760,898 0 0 3,701,496 3,760,898        
Net loans and direct financing leases 43,721,990 42,472,630 43,721,990 42,472,630 42,083,186 40,976,014 0 0 0 0 42,083,186 40,976,014 42,083,186 40,976,014        
Derivatives     13,180 200,029 13,180 200,029                        
Financial Liabilities:                                    
Deposits 49,348,753 47,506,718 49,348,753 47,506,718 49,896,607 48,132,550 0 0 44,371,020 42,279,542 5,525,587 5,853,008 49,896,607 48,132,550        
Short-term borrowings 1,398,393 552,143 1,398,393 552,143 1,389,037 543,552 0 0 0 0 1,389,037 543,552 1,389,037 543,552        
Federal Home Loan Bank advances 333,233 1,808,293 333,233 1,808,293 333,484 1,808,558 0 0 0 0 333,484 1,808,558 333,484 1,808,558        
Other long term debt 1,842,684 1,349,119 1,842,684 1,349,119 1,853,063 1,342,890 0 0 0 0 1,853,063 1,342,890 1,853,063 1,342,890        
Subordinated notes 980,735 1,100,860 980,735 1,100,860 1,060,557 1,073,116 0 0 0 0 1,060,557 1,073,116 1,060,557 1,073,116        
Derivatives     $ 478 $ 129,274 $ 478 $ 129,274                        
[1] Amounts represent loans for which Huntington has elected the fair value option.