v3.22.1
Revenue - Summary of Investment Advisory, Administration Fees and Securities Lending Revenue by Type (Detail) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Disaggregation Of Revenue [Line Items]    
Total revenue $ 4,699 $ 4,398
Investment Advisory, Administration Fees and Securities Lending Revenue [Member]    
Disaggregation Of Revenue [Line Items]    
Total revenue 3,833 3,592
Investment Advisory, Administration Fees and Securities Lending Revenue [Member] | Equity Active Product [Member]    
Disaggregation Of Revenue [Line Items]    
Total revenue 616 576
Investment Advisory, Administration Fees and Securities Lending Revenue [Member] | Equity ETFs [Member]    
Disaggregation Of Revenue [Line Items]    
Total revenue 1,158 1,068
Investment Advisory, Administration Fees and Securities Lending Revenue [Member] | Equity Non-ETF Index [Member]    
Disaggregation Of Revenue [Line Items]    
Total revenue 187 176
Investment Advisory, Administration Fees and Securities Lending Revenue [Member] | Equity [Member]    
Disaggregation Of Revenue [Line Items]    
Total revenue 1,961 1,820
Investment Advisory, Administration Fees and Securities Lending Revenue [Member] | Fixed Income Active [Member]    
Disaggregation Of Revenue [Line Items]    
Total revenue 534 525
Investment Advisory, Administration Fees and Securities Lending Revenue [Member] | Fixed Income ETFs [Member]    
Disaggregation Of Revenue [Line Items]    
Total revenue 289 295
Investment Advisory, Administration Fees and Securities Lending Revenue [Member] | Fixed Income Non-ETF Index [Member]    
Disaggregation Of Revenue [Line Items]    
Total revenue 118 113
Investment Advisory, Administration Fees and Securities Lending Revenue [Member] | Fixed Income [Member]    
Disaggregation Of Revenue [Line Items]    
Total revenue 941 933
Investment Advisory, Administration Fees and Securities Lending Revenue [Member] | Multi-asset [Member]    
Disaggregation Of Revenue [Line Items]    
Total revenue 359 328
Investment Advisory, Administration Fees and Securities Lending Revenue [Member] | Alternatives [Member]    
Disaggregation Of Revenue [Line Items]    
Total revenue 402 368
Investment Advisory, Administration Fees and Securities Lending Revenue [Member] | Alternatives [Member] | Illiquid Alternatives [Member]    
Disaggregation Of Revenue [Line Items]    
Total revenue 179 168
Investment Advisory, Administration Fees and Securities Lending Revenue [Member] | Alternatives [Member] | Liquid Alternatives [Member]    
Disaggregation Of Revenue [Line Items]    
Total revenue 167 147
Investment Advisory, Administration Fees and Securities Lending Revenue [Member] | Alternatives [Member] | Currency and Commodities [Member]    
Disaggregation Of Revenue [Line Items]    
Total revenue 56 53
Investment Advisory, Administration Fees and Securities Lending Revenue [Member] | Cash Management [Member]    
Disaggregation Of Revenue [Line Items]    
Total revenue 170 143
Investment Advisory, Administration Fees and Securities Lending Revenue [Member] | Long-term [Member]    
Disaggregation Of Revenue [Line Items]    
Total revenue 3,663 3,449
Investment Advisory Performance Fees [Member]    
Disaggregation Of Revenue [Line Items]    
Total revenue 98 129
Investment Advisory Performance Fees [Member] | Equity [Member]    
Disaggregation Of Revenue [Line Items]    
Total revenue 12 26
Investment Advisory Performance Fees [Member] | Fixed Income [Member]    
Disaggregation Of Revenue [Line Items]    
Total revenue 9 14
Investment Advisory Performance Fees [Member] | Multi-asset [Member]    
Disaggregation Of Revenue [Line Items]    
Total revenue 5 8
Investment Advisory Performance Fees [Member] | Alternatives [Member]    
Disaggregation Of Revenue [Line Items]    
Total revenue 72 81
Investment Advisory Performance Fees [Member] | Alternatives [Member] | Illiquid Alternatives [Member]    
Disaggregation Of Revenue [Line Items]    
Total revenue 37 7
Investment Advisory Performance Fees [Member] | Alternatives [Member] | Liquid Alternatives [Member]    
Disaggregation Of Revenue [Line Items]    
Total revenue 35 74
Technology Services Revenue [Member]    
Disaggregation Of Revenue [Line Items]    
Total revenue 341 306
Distribution Fees [Member]    
Disaggregation Of Revenue [Line Items]    
Total revenue 381 340
Distribution Fees [Member] | Retrocessions [Member]    
Disaggregation Of Revenue [Line Items]    
Total revenue 279 238
Distribution Fees [Member] | 12b-1 Fees (US Mutual Fund Distribution Fees) [Member]    
Disaggregation Of Revenue [Line Items]    
Total revenue 88 85
Distribution Fees [Member] | Other Distribution Fees [Member]    
Disaggregation Of Revenue [Line Items]    
Total revenue 14 17
Advisory and Other Revenue [Member]    
Disaggregation Of Revenue [Line Items]    
Total revenue 46 31
Advisory and Other Revenue [Member] | Advisory [Member]    
Disaggregation Of Revenue [Line Items]    
Total revenue 16 15
Advisory and Other Revenue [Member] | Other [Member]    
Disaggregation Of Revenue [Line Items]    
Total revenue $ 30 $ 16