Transactions with Affiliated Funds - Fees Receivable from Affiliated Funds and the Aggregate Carrying Value of the Firm's Interests in these Funds (Detail) - USD ($) $ in Millions |
Mar. 31, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Transactions With Affiliated Funds [Abstract] | ||
| Fees receivable from funds | $ 1,631 | $ 1,586 |
| Aggregate carrying value of interests in funds | $ 3,321 | $ 3,362 |