Commitments and Guarantees - Narrative (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2024	Dec. 31, 2023
Loss Contingencies [Line Items]
Unfunded commitments to extend credit, short term	76.00%	75.00%
Term of unfunded commitment	1 year
Collateral provided	$ 35,150
Cash collateral provided for securities lending		$ 23,130
Accrued expenses and other liabilities
Loss Contingencies [Line Items]
Cash collateral received in connection to securities finance activities	$ 14,470	$ 11,930