Commitments and Guarantees - Schedule of Repurchase Agreements (Details) - USD ($) $ in Millions	Sep. 30, 2024	Dec. 31, 2023
Commitments and Contingencies Disclosure [Abstract]
Fair value of indemnified securities financing	$ 363,842	$ 279,916
Fair value of cash and securities held by us, as agent, as collateral for indemnified securities financing	377,231	293,855
Fair value of collateral for indemnified securities financing invested in indemnified repurchase agreements	68,132	59,028
Fair value of cash and securities held by us or our agents as collateral for investments in indemnified repurchase agreements	$ 73,208	$ 63,105