Goodwill and intangible assets - Goodwill by Business Segment (Detail) |
3 Months Ended | 6 Months Ended | |
---|---|---|---|
Jun. 30, 2017
USD ($)
reporting_unit
|
Jun. 30, 2017
USD ($)
reporting_unit
|
Jun. 30, 2016
USD ($)
|
|
Goodwill [Roll Forward] | |||
Beginning balance | $ 17,316,000,000 | $ 17,618,000,000 | |
Acquisitions | 29,000,000 | ||
Foreign currency translation | 141,000,000 | (146,000,000) | |
Other | 0 | ||
Ending balance | $ 17,457,000,000 | $ 17,457,000,000 | 17,501,000,000 |
Impairment testing | |||
Number of reportable segments | reporting_unit | 3 | ||
Number of reporting units | reporting_unit | 8 | ||
Goodwill impairment recognized | $ 0 | ||
Investment Management | |||
Goodwill [Roll Forward] | |||
Beginning balance | $ 9,000,000,000 | 9,207,000,000 | |
Acquisitions | 29,000,000 | ||
Foreign currency translation | 69,000,000 | (121,000,000) | |
Other | 2,000,000 | ||
Ending balance | 9,069,000,000 | 9,069,000,000 | 9,117,000,000 |
Investment Services | |||
Goodwill [Roll Forward] | |||
Beginning balance | 8,269,000,000 | 8,366,000,000 | |
Acquisitions | 0 | ||
Foreign currency translation | 72,000,000 | (25,000,000) | |
Other | (4,000,000) | ||
Ending balance | 8,341,000,000 | 8,341,000,000 | 8,337,000,000 |
Other | |||
Goodwill [Roll Forward] | |||
Beginning balance | 47,000,000 | 45,000,000 | |
Acquisitions | 0 | ||
Foreign currency translation | 0 | 0 | |
Other | 2,000,000 | ||
Ending balance | $ 47,000,000 | $ 47,000,000 | $ 47,000,000 |