v3.24.0.1
Revenue - Summary of Investment Advisory, Administration Fees and Securities Lending Revenue by Type (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Disaggregation Of Revenue [Line Items]      
Total revenue $ 17,859 $ 17,873 $ 19,374
Investment Advisory, Administration Fees and Securities Lending Revenue [Member]      
Disaggregation Of Revenue [Line Items]      
Total revenue 14,399 14,451 15,260
Investment Advisory, Administration Fees and Securities Lending Revenue [Member] | Equity Active Product [Member]      
Disaggregation Of Revenue [Line Items]      
Total revenue 2,000 2,147 2,571
Investment Advisory, Administration Fees and Securities Lending Revenue [Member] | Equity ETFs [Member]      
Disaggregation Of Revenue [Line Items]      
Total revenue 4,418 4,345 4,658
Investment Advisory, Administration Fees and Securities Lending Revenue [Member] | Equity Non-ETF Index [Member]      
Disaggregation Of Revenue [Line Items]      
Total revenue 743 711 771
Investment Advisory, Administration Fees and Securities Lending Revenue [Member] | Equity [Member]      
Disaggregation Of Revenue [Line Items]      
Total revenue 7,161 7,203 8,000
Investment Advisory, Administration Fees and Securities Lending Revenue [Member] | Fixed Income Active [Member]      
Disaggregation Of Revenue [Line Items]      
Total revenue 1,897 1,977 2,191
Investment Advisory, Administration Fees and Securities Lending Revenue [Member] | Fixed Income ETFs [Member]      
Disaggregation Of Revenue [Line Items]      
Total revenue 1,230 1,122 1,201
Investment Advisory, Administration Fees and Securities Lending Revenue [Member] | Fixed Income Non-ETF Index [Member]      
Disaggregation Of Revenue [Line Items]      
Total revenue 353 396 471
Investment Advisory, Administration Fees and Securities Lending Revenue [Member] | Fixed Income [Member]      
Disaggregation Of Revenue [Line Items]      
Total revenue 3,480 3,495 3,863
Investment Advisory, Administration Fees and Securities Lending Revenue [Member] | Multi-asset [Member]      
Disaggregation Of Revenue [Line Items]      
Total revenue 1,203 1,299 1,414
Investment Advisory, Administration Fees and Securities Lending Revenue [Member] | Alternatives [Member]      
Disaggregation Of Revenue [Line Items]      
Total revenue 1,646 1,590 1,513
Investment Advisory, Administration Fees and Securities Lending Revenue [Member] | Alternatives [Member] | Illiquid Alternatives [Member]      
Disaggregation Of Revenue [Line Items]      
Total revenue 889 741 668
Investment Advisory, Administration Fees and Securities Lending Revenue [Member] | Alternatives [Member] | Liquid Alternatives [Member]      
Disaggregation Of Revenue [Line Items]      
Total revenue 572 633 629
Investment Advisory, Administration Fees and Securities Lending Revenue [Member] | Alternatives [Member] | Currency and Commodities [Member]      
Disaggregation Of Revenue [Line Items]      
Total revenue 185 216 216
Investment Advisory, Administration Fees and Securities Lending Revenue [Member] | Cash Management [Member]      
Disaggregation Of Revenue [Line Items]      
Total revenue 909 864 470
Investment Advisory, Administration Fees and Securities Lending Revenue [Member] | Long-term [Member]      
Disaggregation Of Revenue [Line Items]      
Total revenue 13,490 13,587 14,790
Investment Advisory Performance Fees [Member]      
Disaggregation Of Revenue [Line Items]      
Total revenue 554 514 1,143
Investment Advisory Performance Fees [Member] | Equity [Member]      
Disaggregation Of Revenue [Line Items]      
Total revenue 99 49 153
Investment Advisory Performance Fees [Member] | Fixed Income [Member]      
Disaggregation Of Revenue [Line Items]      
Total revenue 4 25 48
Investment Advisory Performance Fees [Member] | Multi-asset [Member]      
Disaggregation Of Revenue [Line Items]      
Total revenue 28 25 32
Investment Advisory Performance Fees [Member] | Alternatives [Member]      
Disaggregation Of Revenue [Line Items]      
Total revenue 423 415 910
Investment Advisory Performance Fees [Member] | Alternatives [Member] | Illiquid Alternatives [Member]      
Disaggregation Of Revenue [Line Items]      
Total revenue 273 296 208
Investment Advisory Performance Fees [Member] | Alternatives [Member] | Liquid Alternatives [Member]      
Disaggregation Of Revenue [Line Items]      
Total revenue 150 119 702
Technology Services Revenue [Member]      
Disaggregation Of Revenue [Line Items]      
Total revenue 1,485 1,364 1,281
Distribution Fees [Member]      
Disaggregation Of Revenue [Line Items]      
Total revenue 1,262 1,381 1,521
Advisory and Other Revenue [Member]      
Disaggregation Of Revenue [Line Items]      
Total revenue 159 163 169
Advisory and Other Revenue [Member] | Advisory [Member]      
Disaggregation Of Revenue [Line Items]      
Total revenue 81 56 68
Advisory and Other Revenue [Member] | Other [Member]      
Disaggregation Of Revenue [Line Items]      
Total revenue $ 78 $ 107 $ 101