v2.4.0.6
Income Taxes (Tables)
12 Months Ended
Dec. 31, 2012
Income Tax Expense (Benefit) (Tables) [Abstract]  
Components of income tax expense
         
      Year ended December 31,
(in millions)  2012 2011 2010
Current:    
 Federal$ 9,141 3,352 1,425
 State and local  1,198 468 548
 Foreign  61 52 78
  Total current  10,400 3,872 2,051
Deferred:    
 Federal  (1,151) 3,088 4,060
 State and local  (166) 471 211
 Foreign  20 14 16
  Total deferred  (1,297) 3,573 4,287
    Total$ 9,103 7,445 6,338
Schedule of net deferred tax asset (liability)
         
      December 31,
(in millions)    2012 2011
Deferred tax assets   
 Allowance for loan losses $ 6,192 6,955
 Deferred compensation   
  and employee benefits   4,701 4,115
 Accrued expenses  1,692 1,598
 PCI loans   2,692 3,851
 Basis difference in investments   1,182 2,104
 Net operating loss and tax   
  credit carry forwards   1,058 1,701
 Other     1,868 402
   Total deferred tax assets   19,385 20,726
Deferred tax assets valuation allowance  (579) (918)
         
Deferred tax liabilities   
 Mortgage servicing rights   (7,360) (7,388)
 Leasing   (4,414) (4,344)
 Mark to market, net   (2,401) (4,027)
 Intangible assets   (2,157) (2,608)
 Net unrealized gains on   
  securities available for sale   (4,135) (2,619)
 Insurance reserves  (1,707) (1,197)
 Other     (1,683) (2,539)
   Total deferred tax liabilities   (23,857) (24,722)
    Net deferred tax liability (1)$ (5,051) (4,914)
         
(1) Included in accrued expenses and other liabilities.
         
Effective income tax expense and rate
                   
      December 31, 
       2012    2011    2010 
(in millions)  AmountRate   AmountRate   AmountRate 
Statutory federal income tax expense and rate $ 9,800 35.0% $ 8,160 35.0% $ 6,545 35.0%
Change in tax rate resulting from:              
 State and local taxes on income, net of              
  federal income tax benefit  856 3.1    730 3.1    586 3.1 
 Tax-exempt interest   (414) (1.5)    (334) (1.4)    (283) (1.5) 
 Excludable dividends   (132) (0.5)    (247) (1.1)    (258) (1.3) 
 Tax credits   (815) (2.9)    (735) (3.2)    (577) (3.1) 
 Life insurance   (524) (1.9)    (222) (1.0)    (223) (1.2) 
 Leveraged lease tax expense  347 1.2    272 1.2    461 2.5 
 Other   (15) -    (179) (0.7)    87 0.4 
  Effective income tax expense and rate$ 9,103 32.5% $ 7,445 31.9% $ 6,338 33.9%
                   
Change in unrecognized tax benefits
        
      Year ended
      December 31,
(in millions)   2012 2011
Balance at beginning of year $ 5,005 5,500
Additions:    
 For tax positions related to the current year  877 279
 For tax positions related to prior years  491 255
Reductions:    
 For tax positions related to prior years  (114) (358)
 Lapse of statute of limitations  (23) (75)
 Settlements with tax authorities  (167) (596)
   Balance at end of year$ 6,069 5,005