Quarterly report pursuant to Section 13 or 15(d)

Variable Interest Entities (Details)

v2.4.0.6
Variable Interest Entities (Details) (USD $)
 3 Months Ended
Mar. 31, 2013
Dec. 31, 2012
Mar. 31, 2012
Sep. 30, 2011
Dec. 31, 2011
Assets          
Cash $ 828,688,000 $ 1,262,806,000      
Loans and leases 41,283,524,000 [1] 40,728,425,000 [1]      
Allowance for loan and lease losses (746,769,000) (769,075,000) (913,069,000)   (964,828,000)
Net loans and leases 40,536,755,000 39,959,350,000      
Accrued income and other assets 1,805,319,000 1,904,805,000      
Total assets 56,054,966,000 56,153,185,000      
Liabilities          
Other long term debt 156,301,000 158,784,000      
Accrued interest and other liabilities 1,059,516,000 1,155,643,000      
Total liabilities 50,187,828,000 50,362,974,000      
Variable Interest Entities (Textuals) [Abstract]          
Maximum year to defer payment of interest on debenture not exceeding five years time for a period        
Commitments to limited partnership interests, gross 468,700,000 532,100,000      
Commitments to limited partnership interests, net 328,100,000 391,900,000      
Funded Commitments to limited partnership interests 352,600,000 380,000,000      
Net sales of Low Income Housing Tax Credit Partnership investments 58,100,000   0    
Gain (loss) on net sales of Low Income Housing Tax Credit Partnership investments 7,600,000   0    
Total of automobile loans transferred in securitization transactions (not used)   1,000,000,000 1,300,000,000 1,000,000,000  
Consolidated Trusts [Member]
          
Assets          
Cash 136,846,000 103,690,000      
Loans and leases 409,417,000 498,924,000      
Allowance for loan and lease losses (2,083,000) (2,671,000)      
Net loans and leases 407,334,000 496,253,000      
Accrued income and other assets 1,726,000 2,258,000      
Total assets 545,906,000 602,201,000      
Liabilities          
Other long term debt 0 2,086,000      
Accrued interest and other liabilities 281,000 289,000      
Total liabilities 281,000 2,375,000      
2006 Automobile Trust [Member]
          
Assets          
Cash 123,870,000 91,113,000      
Loans and leases 293,378,000 356,162,000      
Allowance for loan and lease losses (2,083,000) (2,671,000)      
Net loans and leases 291,295,000 353,491,000      
Accrued income and other assets 949,000 1,353,000      
Total assets 416,114,000 445,957,000      
Liabilities          
Other long term debt 0 2,086,000      
Accrued interest and other liabilities 0 1,000      
Total liabilities 0 2,087,000      
2009 Automobile Trust [Member]
          
Assets          
Cash 12,976,000 12,577,000      
Loans and leases 116,039,000 142,762,000      
Allowance for loan and lease losses 0 0      
Net loans and leases 116,039,000 142,762,000      
Accrued income and other assets 496,000 617,000      
Total assets 129,511,000 155,956,000      
Liabilities          
Other long term debt 0 0      
Accrued interest and other liabilities 0 0      
Total liabilities 0 0      
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 281,000 288,000      
Total assets 281,000 288,000      
Liabilities          
Other long term debt 0 0      
Accrued interest and other liabilities 281,000 288,000      
Total liabilities 281,000 288,000      
Unconsolidated Trusts [Member]
          
Carrying amount and classification of unconsolidated trusts assets and liabilities          
Total assets 455,377,000 526,058,000      
Total liabilities 493,964,000 529,941,000      
Maximum exposure to loss 441,613,000 512,294,000      
Trust Preferred Securities Total [Member]
          
Carrying amount and classification of unconsolidated trusts assets and liabilities          
Total assets 13,764,000 13,764,000      
Total liabilities 312,894,000 312,894,000      
Maximum exposure to loss 0 0      
2012-2 Automobile Trust [Member]
          
Carrying amount and classification of unconsolidated trusts assets and liabilities          
Total assets 11,990,000 13,616,000      
Total liabilities 0 0      
Maximum exposure to loss 11,990,000 13,616,000      
2012-1 Automobile Trust [Member]
          
Carrying amount and classification of unconsolidated trusts assets and liabilities          
Total assets 10,586,000 12,649,000      
Total liabilities 0 0      
Maximum exposure to loss 10,586,000 12,649,000      
2011 Automobile Trust [Member]
          
Carrying amount and classification of unconsolidated trusts assets and liabilities          
Total assets 5,876,000 7,076,000      
Total liabilities 0 0      
Maximum exposure to loss 5,876,000 7,076,000      
Tower Hill Securities [Member]
          
Carrying amount and classification of unconsolidated trusts assets and liabilities          
Total assets 85,056,000 87,075,000      
Total liabilities 65,000,000 65,000,000      
Maximum exposure to loss 85,056,000 87,075,000      
Low Income Housing Tax Credit Partnerships [Member]
          
Carrying amount and classification of unconsolidated trusts assets and liabilities          
Total assets 328,105,000 391,878,000      
Total liabilities 116,070,000 152,047,000      
Maximum exposure to loss $ 328,105,000 $ 391,878,000      
[1] Amounts represent certain assets and liabilities of a consolidated VIE for which Huntington has elected the fair value option.