Annual report pursuant to Section 13 and 15(d)

Variable Interest Entities (Details)

v2.4.0.6
Variable Interest Entities (Details) (USD $)
 3 Months Ended 12 Months Ended
Sep. 30, 2012
Mar. 31, 2012
Sep. 30, 2011
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Assets              
Cash       $ 1,262,806,000 $ 1,115,968,000 $ 847,888,000 $ 1,521,344,000
Loans and leases       40,728,425,000 38,923,783,000 38,106,507,000  
Allowance for loan and lease losses       (769,075,000) (964,828,000) (1,249,008,000) (1,482,479,000)
Net loans and leases       39,959,350,000 37,958,955,000    
Accrued income and other assets       1,904,805,000 2,168,149,000    
Total assets       56,153,185,000 54,450,652,000    
Liabilities              
Other long term debt       158,784,000 [1] 1,231,517,000 [1]    
Accrued interest and other liabilities       1,155,643,000 1,213,978,000    
Total liabilities       50,362,974,000 49,032,552,000    
Carrying amount and classification of unconsolidated trusts assets and liabilities              
Total assets       526,058,000 497,353,000    
Total liabilities       529,941,000 777,250,000    
Maximum exposure to loss       512,294,000 479,989,000    
Variable Interest Entities (Textuals) [Abstract]              
Maximum year to defer payment of interest on debenture       not exceeding five years      
Commitments to limited partnership interests       391,900,000 376,100,000    
Funded Commitments to limited partnership interests       380,000,000 322,500,000    
Floating Rate Series B Noncumulative Perpetual Preferred Stock Exchanged         35,500,000    
Redemption of trust preferred securities, total       230,300,000      
Total of automobile loans transferred in securitization transactions 1,000,000,000 1,300,000,000 1,000,000,000        
Gain on redemption of trust preferred securities       800,000      
Consolidated Trusts [Member]
              
Assets              
Cash       103,690,000 83,259,000    
Loans and leases       498,924,000 1,132,158,000    
Allowance for loan and lease losses       (2,671,000) (7,105,000)    
Net loans and leases       496,253,000 1,125,053,000    
Accrued income and other assets       2,258,000 6,378,000    
Total assets       602,201,000 1,214,690,000    
Liabilities              
Other long term debt       2,086,000 474,913,000    
Accrued interest and other liabilities       289,000 845,000    
Total liabilities       2,375,000 475,758,000    
2006 Automobile Trust [Member]
              
Assets              
Cash       91,113,000 52,325,000    
Loans and leases       356,162,000 704,345,000    
Allowance for loan and lease losses       (2,671,000) (5,987,000)    
Net loans and leases       353,491,000 698,358,000    
Accrued income and other assets       1,353,000 2,959,000    
Total assets       445,957,000 753,642,000    
Liabilities              
Other long term debt       2,086,000 333,644,000    
Accrued interest and other liabilities       1,000 88,000    
Total liabilities       2,087,000 333,732,000    
2008 Automboile Trust [Member]
              
Assets              
Cash         12,722,000    
Loans and leases         131,563,000    
Allowance for loan and lease losses         (1,118,000)    
Net loans and leases         130,445,000    
Accrued income and other assets         610,000    
Total assets         143,777,000    
Liabilities              
Other long term debt         18,230,000    
Accrued interest and other liabilities         40,000    
Total liabilities         18,270,000    
2009 Automobile Trust [Member]
              
Assets              
Cash       12,577,000 18,212,000    
Loans and leases       142,762,000 296,250,000    
Allowance for loan and lease losses       0 0    
Net loans and leases       142,762,000 296,250,000    
Accrued income and other assets       617,000 1,692,000    
Total assets       155,956,000 316,154,000    
Liabilities              
Other long term debt       0 123,039,000    
Accrued interest and other liabilities       0 298,000    
Total liabilities       0 123,337,000    
Other Consolidated Trusts [Member]
              
Assets              
Cash       0 0    
Loans and leases       0 0    
Allowance for loan and lease losses       0 0    
Net loans and leases       0 0    
Accrued income and other assets       288,000 1,117,000    
Total assets       288,000 1,117,000    
Liabilities              
Other long term debt       0 0    
Accrued interest and other liabilities       288,000 419,000    
Total liabilities       288,000 419,000    
Sky Financial Capital Trust IV [Member]
              
Carrying amount and classification of unconsolidated trusts assets and liabilities              
Total assets       2,320,000      
Sky Financial Capital Trust III [Member]
              
Carrying amount and classification of unconsolidated trusts assets and liabilities              
Total assets       2,165,000      
Huntington Capital II [Member]
              
Carrying amount and classification of unconsolidated trusts assets and liabilities              
Total assets       3,093,000      
Huntington Capital I [Member]
              
Carrying amount and classification of unconsolidated trusts assets and liabilities              
Total assets       6,186,000      
Trust Preferred Securities Total [Member]
              
Carrying amount and classification of unconsolidated trusts assets and liabilities              
Total assets       13,764,000 17,364,000    
Total liabilities       312,894,000 554,496,000    
Maximum exposure to loss       0 0    
2012-2 Automobile Trust [Member]
              
Carrying amount and classification of unconsolidated trusts assets and liabilities              
Total assets       13,616,000      
Total liabilities       0      
Maximum exposure to loss       13,616,000      
2012-1 Automobile Trust [Member]
              
Carrying amount and classification of unconsolidated trusts assets and liabilities              
Total assets       12,649,000      
Total liabilities       0      
Maximum exposure to loss       12,649,000      
2011 Automobile Trust [Member]
              
Carrying amount and classification of unconsolidated trusts assets and liabilities              
Total assets       7,076,000 13,377,000    
Total liabilities       0 0    
Maximum exposure to loss       7,076,000 13,377,000    
Tower Hill Securities [Member]
              
Carrying amount and classification of unconsolidated trusts assets and liabilities              
Total assets       87,075,000 90,514,000    
Total liabilities       65,000,000 65,000,000    
Maximum exposure to loss       87,075,000 90,514,000    
Low Income Housing Tax Credit Partnerships [Member]
              
Carrying amount and classification of unconsolidated trusts assets and liabilities              
Total assets       391,878,000 376,098,000    
Total liabilities       152,047,000 157,754,000    
Maximum exposure to loss       $ 391,878,000 $ 376,098,000    
[1] Amounts represent certain assets and liabilities of a consolidated VIE for which Huntington has elected the fair value option. See Note 21.