Commitments and Contingencies - Additional Information (Detail) - USD ($) shares in Millions		3 Months Ended
Jul. 01, 2025	Mar. 31, 2026
Loss Contingencies [Line Items]
Investment commitments		$ 2,700,000,000
Amount of securities on loan subject to indemnification		397,000,000,000
Collateral for indemnified securities		422,000,000,000
Contingent consideration at fair value		7,900,000,000
Fair value of indemnified securities		0
Subco Units [Member] \| Minimum [Member]
Loss Contingencies [Line Items]
Contingent payments	2.8
Subco Units [Member] \| Maximum [Member]
Loss Contingencies [Line Items]
Contingent payments	4.4
Global Infrastructure Management
Loss Contingencies [Line Items]
Fair value of deferred stock		$ 4,300,000,000
Global Infrastructure Management \| First contingent payment [Member] \| Minimum [Member]
Loss Contingencies [Line Items]
Contingent payments		4.0
Global Infrastructure Management \| First contingent payment [Member] \| Maximum [Member]
Loss Contingencies [Line Items]
Contingent payments		5.2
HPS Investment Partners
Loss Contingencies [Line Items]
Fair value of deferred stock		$ 3,400,000,000
HPS Investment Partners \| Subco Units [Member] \| Minimum [Member]
Loss Contingencies [Line Items]
Contingent payments	2.8	2.8
HPS Investment Partners \| Subco Units [Member] \| Maximum [Member]
Loss Contingencies [Line Items]
Contingent payments	4.4	4.4

Amount of liability recognized arising from contingent consideration in a business combination.

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