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Goodwill (Tables)
12 Months Ended
Dec. 31, 2013
Goodwill  
Changes in the Net Carrying Amount of Goodwill by Reporting Segment
Changes in the net carrying amount of goodwill, by reporting unit, for the years ended December 31, 2013 and 2012 were as follows:
       
  CommercialBranchConsumerInvestment 
($ in millions) BankingBankingLendingAdvisorsTotal
Net carrying value as of December 31, 2011$6131,656 - 1482,417
Acquisition activity - (1) - - (1)
Net carrying value as of December 31, 2012$6131,655 - 1482,416
Acquisition activity  - - - - -
Net carrying value as of December 31, 2013$6131,655 - 1482,416