Huntington Bancshares Incorporated Annual report pursuant to Section 13 and 15(d)

Commitments and Contingent Liabilities (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Commercial [Member]
Contract amounts of various commitments to extend credit
Contract amount represents credit risk	$ 11,181,522	$ 10,198,327
Consumer [Member]
Contract amounts of various commitments to extend credit
Contract amount represents credit risk	7,579,632	6,544,606
Commercial Real Estate [Member]
Contract amounts of various commitments to extend credit
Contract amount represents credit risk	908,112	765,982
Standby Letters of Credit [Member]
Contract amounts of various commitments to extend credit
Contract amount represents credit risk	$ 497,457	$ 439,834