Annual report pursuant to Section 13 and 15(d)

Loans and Leases and Allowance For Credit Losses (Textuals) (Details)

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Loans and Leases and Allowance For Credit Losses (Textuals) (Details) (USD $)
 12 Months Ended
Dec. 31, 2013
D
Dec. 31, 2012
Dec. 31, 2011
Loans and Leases (Textuals)      
Amount of security for borrowing and advances $ 19,800,000,000    
All loans with an outstanding balance which evaluated on quarterly basis for impairment 1,000,000    
Amount guaranteed by U.S. Government 87,985,000 90,816,000  
Redefault status number of days 90    
Amount of NAL foregone interest 23,400,000 40,400,000 38,400,000
Amount of TDR foregone interest 43,900,000 41,200,000 37,700,000
Amount of interest recorded to interest income on NALs 5,000,000 4,800,000 5,100,000
Amount of interest recorded to interest income on TDRs 35,700,000 32,200,000 28,200,000
Aggregate amount of net unamortized deferred loan origination fees and net unearned income 192,900,000 174,500,000  
Fidelity Bank loans acquired at fair value as of acquisition date   523,000,000  
Loans transfered to available-for-sale securities 600,435,000 0 0
Lease Financing Receivables Textuals [Abstract]      
Capital Leases, Future Minimum Payments Receivable 1,400,000,000    
Capital Leases, Future Minimum Payments Receivable, Current 600,000,000    
Capital Leases, Future Minimum Payments, Receivable in Two Years 300,000,000    
Capital Leases, Future Minimum Payments, Receivable in Three Years 200,000,000    
Capital Leases, Future Minimum Payments, Receivable in Four Years 100,000,000    
Capital Leases, Future Minimum Payments, Receivable in Five Years 100,000,000    
Capital Leases, Future Minimum Payments, Receivable Due Thereafter $ 100,000,000    
Automobile and other consumer loans [Member]
      
Loans and Leases (Textuals)      
Loans charged off or written down past due 120    
Commercial and Industrial and Commercial Real Estate [Member]
      
Loans and Leases (Textuals)      
Nonaccrual status number of days past due 90    
Loans charged off or written down past due 90    
Residential Mortgage [Member]
      
Loans and Leases (Textuals)      
Nonaccrual status number of days past due 150    
Loans charged off or written down past due 150    
Home equity secured by first-lien other [Member]
      
Loans and Leases (Textuals)      
Nonaccrual status number of days past due 150    
Loans charged off or written down past due 150    
Home equity secured by junior-lien [Member]
      
Loans and Leases (Textuals)      
Nonaccrual status number of days past due 120    
Loans charged off or written down past due 120