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
Jun. 30, 2012
Dec. 31, 2011
Jun. 30, 2012
Carrying Amount [Member]
Dec. 31, 2011
Carrying Amount [Member]
Jun. 30, 2012
Fair Value [Member]
Dec. 31, 2011
Fair Value [Member]
Jun. 30, 2012
Level 1 [Member]
Fair Value [Member]
Dec. 31, 2011
Level 1 [Member]
Fair Value [Member]
Jun. 30, 2012
Level 2 [Member]
Fair Value [Member]
Dec. 31, 2011
Level 2 [Member]
Fair Value [Member]
Jun. 30, 2012
Level 3 [Member]
Fair Value [Member]
Dec. 31, 2011
Level 3 [Member]
Fair Value [Member]
Jun. 30, 2012
Total Estimated Fair Value [Member]
Fair Value [Member]
Dec. 31, 2011
Total Estimated Fair Value [Member]
Fair Value [Member]
Jun. 30, 2012
Nonrecurring Basis [Member]
Jun. 30, 2012
Nonrecurring Basis [Member]
Level 1 [Member]
Jun. 30, 2012
Nonrecurring Basis [Member]
Level 2 [Member]
Jun. 30, 2012
Nonrecurring Basis [Member]
Level 3 [Member]
Assets measured at fair value on a nonrecurring basis                                    
Fair value, Impaired loans                             $ 22,949 $ 0 $ 0 $ 22,949
Gain/(Losses), Impaired loans                             (7,638)      
Fair value, Accrued income and other assets                             38,608 0 0 38,608
Gain/(Losses), Accrued income and other assets                             (1,546)      
Financial Assets:                                    
Cash and short-term assets     1,307,413 1,206,911 1,307,413 1,206,911                        
Trading account securities 53,837 45,899 53,837 45,899 53,837 45,899                        
Loans held for sale 2,123,371 [1] 1,618,391 [1] 2,123,371 1,618,391 2,152,405 1,638,276 0 0 0 0 1,580,384 1,291,755 1,580,384 1,291,755        
Available-for-sale and other securities 8,666,778 8,078,014 8,666,778 8,078,014 8,666,778 8,078,014                        
Held-to-maturity securities, Total 598,385 640,551 598,385 640,551 623,302 660,186 0 0 623,302 660,186 0 0 623,302 660,186        
Net loans and direct financing leases 39,099,534 37,958,955 39,099,534 37,958,955 37,726,642 36,669,829 0 0 0 0 38,376,257 36,373,579 38,376,257 36,373,579        
Derivatives     403,753 403,002 403,753 403,002                        
Financial Liabilities:                                    
Deposits 46,076,075 43,279,625 (46,076,075) (43,279,625) (46,177,572) (43,406,125) 0 0 (37,997,809) (35,049,194) (8,179,763) (8,356,931) (46,177,572) (43,406,125)        
Short-term borrowings 1,205,995 1,441,092 (1,205,995) (1,441,092) (1,199,021) (1,429,717) 0 0 0 0 (1,199,021) (1,429,717) (1,199,021) (1,429,717)        
Federal Home Loan Bank advances 835,653 362,972 (835,653) (362,972) (835,653) (362,972)                        
Other long term debt 310,043 [2] 1,231,517 [2] (310,043) (1,231,517) (313,033) (1,232,975) 0 0 (122,329) (937,959) (157,910) (171,977) (280,239) (1,109,936)        
Subordinated notes 1,418,216 1,503,368 (1,418,216) (1,503,368) (1,358,614) (1,410,392) 0 0 0 0 (1,358,614) (1,410,392) (1,358,614) (1,410,392)        
Derivatives     $ (190,073) $ (265,316) $ (190,073) $ (265,316)                        
[1] Amounts represent loans for which Huntington has elected the fair value option.
[2] Amounts represent certain assets and liabilities of a consolidated VIE for which Huntington has elected the fair value option.