XML 54 R40.htm IDEA: XBRL DOCUMENT v3.10.0.1
Goodwill (Tables)
9 Months Ended
Sep. 30, 2018
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 nine months ended September 30, 2018 and 2017 were as follows:
CommercialBranchConsumerWealth and Asset
($ in millions)BankingBankingLendingManagementTotal
Goodwill $1,3631,6552151483,381
Accumulated impairment losses(750)-(215)-(965)
Net carrying value as of December 31, 2016$6131,655-1482,416
Acquisition activity---77
Net carrying value as of September 30, 2017$6131,655-1552,423
Net carrying value as of December 31, 2017$6131,655-1772,445
Acquisition activity17---17
Net carrying value as of September 30, 2018$6301,655-1772,462