v3.7.0.1
Segment Information - Schedule of Investment Advisory, Administration Fees, Securities Lending Revenue and Performance Fees, Technology and Risk Management Revenue, Distribution Fees, and Advisory and Other Revenue (Detail) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Segment Reporting Information [Line Items]        
Total investment advisory, administration fees, securities lending revenue and performance fees $ 2,723 $ 2,563 $ 5,323 $ 4,956
Technology and risk management revenue 164 146 322 287
Distribution fees 5 11 12 22
Advisory and other revenue 73 84 132 163
Total revenue 2,965 2,804 5,789 5,428
Equity [Member]        
Segment Reporting Information [Line Items]        
Total investment advisory, administration fees, securities lending revenue and performance fees 1,378 1,278 2,677 2,462
Fixed Income [Member]        
Segment Reporting Information [Line Items]        
Total investment advisory, administration fees, securities lending revenue and performance fees 713 657 1,404 1,280
Multi-asset [Member]        
Segment Reporting Information [Line Items]        
Total investment advisory, administration fees, securities lending revenue and performance fees 289 293 566 580
Alternatives [Member]        
Segment Reporting Information [Line Items]        
Total investment advisory, administration fees, securities lending revenue and performance fees 206 216 412 412
Cash Management [Member]        
Segment Reporting Information [Line Items]        
Total investment advisory, administration fees, securities lending revenue and performance fees $ 137 $ 119 $ 264 $ 222