v3.25.2
Variable Interest Entities Reflects adoption of ASU 2015-12 - Additional Information (Detail) - USD ($)
$ in Billions
Jun. 30, 2025
Dec. 31, 2024
Variable Interest Entity, Not Primary Beneficiary [Member] | Sponsored Investment Products [Member]    
Variable Interest Entity [Line Items]    
Net assets of investments funds $ 52 $ 46