Loans, Lending Commitments and Related Allowance for Credit Losses - Loans by Interest Rate Type (Details) - USD ($) $ in Millions	Sep. 30, 2022	Dec. 31, 2021
Accounts, Notes, Loans and Financing Receivable [Line Items]
Fixed Rate	$ 48,451	$ 42,141
Floating or Adjustable Rate	163,234	146,647
Corporate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Fixed Rate	0	0
Floating or Adjustable Rate	14,498	13,674
Secured lending facilities
Accounts, Notes, Loans and Financing Receivable [Line Items]
Fixed Rate	0	0
Floating or Adjustable Rate	38,495	35,350
Commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Fixed Rate	205	343
Floating or Adjustable Rate	9,735	8,661
Residential real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Fixed Rate	24,105	18,966
Floating or Adjustable Rate	28,805	25,292
Securities-based lending and Other loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Fixed Rate	24,141	22,832
Floating or Adjustable Rate	$ 71,701	$ 63,670