Annual report pursuant to Section 13 and 15(d)

Allowance for Credit Losses - Allowance and Carrying Value by Portfolio Segment (Details)

v3.3.1.900
Allowance for Credit Losses - Allowance and Carrying Value by Portfolio Segment (Details) - USD ($)
$ in Millions
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Impaired loans and troubled debt restructurings        
Allowance for loan and lease losses $ 1,101 $ 1,225    
Carrying value $ 24,205 $ 28,967    
Allowance as a percentage of carrying value 4.55% 4.23%    
Loans collectively evaluated for impairment        
Allowance for loan and lease losses $ 10,329 $ 11,542    
Carrying value $ 855,173 $ 822,974    
Allowance as a percentage of carrying value 1.21% 1.40%    
Purchased credit-impaired loans        
Valuation allowance $ 12,880 $ 14,947 $ 17,912  
Valuation allowance as a percentage of carrying value 4.82% 7.95%    
Total        
Allowance for loan and lease losses $ 12,234 $ 14,419 17,428 $ 24,179
Carrying value $ 896,063 $ 872,710    
Allowance as a percentage of carrying value 1.37% 1.65%    
Loans and leases, measured at fair value $ 6,938 $ 8,681    
Small Business Commercial Loan | United States        
Total        
Allowance for loan and lease losses 35 35    
Purchased Credit-impaired        
Purchased credit-impaired loans        
Valuation allowance 804 1,652 2,500  
Carrying value gross of valuation allowance 16,685 20,769    
Consumer real estate        
Impaired loans and troubled debt restructurings        
Allowance for loan and lease losses 634 727    
Carrying value $ 21,058 $ 25,628    
Allowance as a percentage of carrying value 3.01% 2.84%    
Loans collectively evaluated for impairment        
Allowance for loan and lease losses $ 2,476 $ 3,556    
Carrying value $ 226,116 $ 255,525    
Allowance as a percentage of carrying value 1.10% 1.39%    
Purchased credit-impaired loans        
Valuation allowance $ 3,914 $ 5,935 8,518  
Valuation allowance as a percentage of carrying value 4.82% 7.95%    
Total        
Allowance for loan and lease losses $ 3,914 $ 5,935 8,518 14,933
Carrying value $ 263,859 $ 301,922    
Allowance as a percentage of carrying value 1.48% 1.97%    
Loans and leases, measured at fair value $ 1,900 $ 2,077    
Consumer real estate | Purchased Credit-impaired        
Purchased credit-impaired loans        
Valuation allowance 804 1,652    
Carrying value gross of valuation allowance 16,685 20,769    
Credit card and other consumer        
Impaired loans and troubled debt restructurings        
Allowance for loan and lease losses 250 339    
Carrying value $ 779 $ 1,141    
Allowance as a percentage of carrying value 32.09% 29.71%    
Loans collectively evaluated for impairment        
Allowance for loan and lease losses $ 3,221 $ 3,708    
Carrying value $ 189,660 $ 183,430    
Allowance as a percentage of carrying value 1.70% 2.02%    
Purchased credit-impaired loans        
Valuation allowance $ 3,471 $ 4,047 4,905  
Total        
Allowance for loan and lease losses 3,471 4,047 4,905 6,140
Carrying value $ 190,439 $ 184,571    
Allowance as a percentage of carrying value 1.82% 2.19%    
Commercial        
Impaired loans and troubled debt restructurings        
Allowance for loan and lease losses $ 217 $ 159    
Carrying value $ 2,368 $ 2,198    
Allowance as a percentage of carrying value 9.16% 7.23%    
Loans collectively evaluated for impairment        
Allowance for loan and lease losses $ 4,632 $ 4,278    
Carrying value $ 439,397 $ 384,019    
Allowance as a percentage of carrying value 1.05% 1.11%    
Purchased credit-impaired loans        
Valuation allowance $ 5,495 $ 4,965 4,489  
Total        
Allowance for loan and lease losses 4,849 4,437 $ 4,005 $ 3,106
Carrying value $ 441,765 $ 386,217    
Allowance as a percentage of carrying value 1.10% 1.15%    
Loans and leases, measured at fair value $ 5,067 $ 6,604    
Commercial | United States        
Total        
Loans and leases, measured at fair value $ 2,300 $ 1,900