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Borrowings and Other Secured Financings - Borrowings (Details) - USD ($) $ in Millions	Sep. 30, 2025	Dec. 31, 2024
Debt Disclosure [Abstract]
Original maturities of one year or less	$ 7,551	$ 4,512
Original maturities greater than one year
Senior	309,979	270,594
Subordinated	14,149	13,713
Total greater than one year	324,128	284,307
Total	$ 331,679	$ 288,819
Weighted average stated maturity, in years	6 years 4 months 24 days	6 years 7 months 6 days

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Amount of short-term debt payable maturing in the next fiscal year following the latest fiscal year.

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Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

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