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Purchased Impaired Loans (Tables)
9 Months Ended
Sep. 30, 2011
Purchased Impaired Loans Disclosure 
Purchased Impaired Loans
Purchased Impaired Loans
                 
 September 30, 2011 December 31, 2010 
  Recorded  Outstanding  Recorded  Outstanding 
In millions Investment  Balance  Investment  Balance 
Commercial $ 162  $ 282  $ 249  $ 408 
Commercial real estate   795    869    1,153    1,391 
Consumer   2,810    3,568    3,024    4,121 
Residential real estate   3,160    3,228    3,354    3,803 
Total $ 6,927  $ 7,947  $ 7,780  $ 9,723 
Accretable Yield
Accretable Yield
     
In millions 2011 
January 1 $ 2,185 
Accretion (including excess cash recoveries)   (705) 
Net reclassifications to accretable from non-accretable   849 
Disposals   (54) 
September 30 $ 2,275