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Commitments and Contingencies - Additional Information (Detail) - USD ($) shares in Millions |  |  | 12 Months Ended
--- | --- | --- | ---
Jul. 01, 2025 | Oct. 01, 2024 | Dec. 31, 2025
Loss Contingencies [Line Items] |  |  |
Investment commitments |  |  | $ 2,400,000,000
Contingent consideration at fair value |  |  | 8,400,000,000
Amount of securities on loan subject to indemnification |  |  | 353,000,000,000
Collateral for indemnified securities |  |  | 375,000,000,000
Fair value of indemnified securities |  |  | 0
Minimum [Member] | Subco Units [Member] |  |  |
Loss Contingencies [Line Items] |  |  |
Contingent payments | 2.8 |  |
Maximum [Member] | Subco Units [Member] |  |  |
Loss Contingencies [Line Items] |  |  |
Contingent payments | 4.4 |  |
Global Infrastructure Management |  |  |
Loss Contingencies [Line Items] |  |  |
Fair value of deferred stock |  |  | $ 4,800,000,000
Global Infrastructure Management | First Contingent Payment [Member] | Minimum [Member] |  |  |
Loss Contingencies [Line Items] |  |  |
Contingent payments |  | 4.0 | 4.0
Global Infrastructure Management | First Contingent Payment [Member] | Maximum [Member] |  |  |
Loss Contingencies [Line Items] |  |  |
Contingent payments |  | 5.2 | 5.2
HPS Investment Partners |  |  |
Loss Contingencies [Line Items] |  |  |
Fair value of deferred stock |  |  | $ 3,500,000,000
HPS Investment Partners | Minimum [Member] | Subco Units [Member] |  |  |
Loss Contingencies [Line Items] |  |  |
Contingent payments | 2.8 |  | 2.8
HPS Investment Partners | Maximum [Member] | Subco Units [Member] |  |  |
Loss Contingencies [Line Items] |  |  |
Contingent payments | 4.4 |  | 4.4

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