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Transactions with Affiliated Funds - Fees Earned from Affiliated Funds (Detail) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Transactions With Affiliated Funds [Abstract]        
Fees earned from funds $ 1,172 $ 1,046 $ 3,422 $ 2,647