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Goodwill (Tables)
12 Months Ended
Dec. 31, 2011
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, 2011 and 2010 were as follows:

  CommercialBranchConsumerInvestment 
($ in millions) BankingBankingLendingAdvisorsTotal
Net carrying value as of December 31, 2009$6131,656 - 1482,417
Acquisition activity -- - - -
Net carrying value as of December 31, 2010$6131,656 - 1482,417
Acquisition activity  - - - - -
Net carrying value as of December 31, 2011$6131,656 - 1482,417