v3.22.0.1
Deposits - Types and Sources of the Firm's Deposits (Parenthetical) (Detail)
$ in Millions
12 Months Ended
Dec. 31, 2021
USD ($)
Arrangements
Dec. 31, 2020
USD ($)
Deposits [Abstract]    
Deposits at fair value $ 35,425 $ 16,176
Weighted average maturity of time deposits 10 months 24 days 1 year 3 months 18 days
Number of deposit sweep program contractual arrangements | Arrangements 15  
Deposits insured by the FDIC $ 156,660 $ 123,030
Deposits insured by non-U.S. Insurance Programs $ 31,440 $ 27,520