v3.26.1
Revenue - Summary of Investment Advisory, Administration Fees and Securities Lending Revenue by Type (Parenthetical) (Detail) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Disaggregation of Revenue [Line Items]    
Securities lending revenue earned $ 6,698 $ 5,276
Investment Advisory, Administration Fees and Securities Lending Revenue [Member]    
Disaggregation of Revenue [Line Items]    
Securities lending revenue earned [1] 5,438 4,401
Securities Lending Revenue [Member] | Investment Advisory, Administration Fees and Securities Lending Revenue [Member]    
Disaggregation of Revenue [Line Items]    
Securities lending revenue earned $ 179 $ 157
[1] Amounts include securities lending revenue of $179 million and $157 million for the three months ended March 31, 2026 and 2025, respectively.