Commitments and Guarantees - Narrative (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2023	Dec. 31, 2022
Loss Contingencies [Line Items]
Unfunded commitments to extend credit, short term	76.00%	77.00%
Term of unfunded commitment	1 year
Cash collateral provided for securities lending	$ 24,060	$ 16,490
Accrued expenses and other liabilities
Loss Contingencies [Line Items]
Cash collateral received in connection to securities finance activities	$ 13,020	$ 6,380