Annual report pursuant to Section 13 and 15(d)

Outstanding Loans and Leases - Consumer Real Estate - Impaired Loans (Details)

v3.3.1.900
Outstanding Loans and Leases - Consumer Real Estate - Impaired Loans (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Financing Receivable, Impaired [Line Items]      
Loans and leases $ 903,001 $ 881,391  
Consumer real estate      
Financing Receivable, Impaired [Line Items]      
Threshold period past due for write-off of financing receivable 180 days    
Real estate acquired through foreclosure $ 444 630  
Loans with formal foreclosure proceeding in process 5,800    
Reclassified consumer real estate loans 2,100 1,900  
Consumer real estate | Residential Mortgage      
Unpaid Principal Balance      
With no recorded allowance 14,888 19,710  
With an allowance recorded 6,624 7,861  
Total 21,512 27,571  
Carrying Value      
With no recorded allowance 11,901 15,605  
With an allowance recorded 6,471 7,665  
Total 18,372 23,270  
Related Allowance 399 531  
Average Carrying Value      
With no recorded allowance 13,867 15,065 $ 16,625
With an allowance recorded 7,290 10,826 13,926
Total 21,157 25,891 30,551
Interest Income Recognized      
With no recorded allowance 403 490 621
With an allowance recorded 236 411 616
Total $ 639 901 1,237
Consumer real estate | Home equity lines of credit      
Financing Receivable, Impaired [Line Items]      
Threshold period past due for write-off of financing receivable 180 days    
Unpaid Principal Balance      
With no recorded allowance $ 3,545 3,540  
With an allowance recorded 1,047 852  
Total 4,592 4,392  
Carrying Value      
With no recorded allowance 1,775 1,630  
With an allowance recorded 911 728  
Total 2,686 2,358  
Related Allowance 235 196  
Average Carrying Value      
With no recorded allowance 1,777 1,486 1,245
With an allowance recorded 785 743 912
Total 2,562 2,229 2,157
Interest Income Recognized      
With no recorded allowance 89 87 76
With an allowance recorded 24 25 41
Total 113 $ 112 $ 117
Consumer real estate | Chapter Seven Bankruptcy | Home equity lines of credit      
Financing Receivable, Impaired [Line Items]      
Loans and leases 1,800    
Consumer real estate | Nonperforming Financing Receivable | Chapter Seven Bankruptcy      
Financing Receivable, Impaired [Line Items]      
Loans and leases 785    
Consumer real estate | Federal Housing Administration | Fully Insured Loans | Chapter Seven Bankruptcy | Home equity lines of credit      
Financing Receivable, Impaired [Line Items]      
Loans and leases $ 765