Variable Interest Entities and Securitization Activities - Assets and Liabilities by Balance Sheet Caption (Details) - USD ($) $ in Millions	Sep. 30, 2022	Dec. 31, 2021
Assets
Cash and cash equivalents	$ 111,696	$ 127,725
Trading assets at fair value	291,188	294,869
Investment securities	150,026	182,712
Securities purchased under agreements to resell	111,124	119,999
Customer and other receivables	87,935	96,018
Intangible assets	7,893	8,360
Other assets	24,789	23,491
Total assets	1,160,029	1,188,140
Liabilities
Other secured financings	7,701	10,041
Other liabilities and accrued expenses	26,360	29,300
Total liabilities	1,057,940	1,081,542
Noncontrolling interests	1,078	1,157
Variable Interest Entity, Primary Beneficiary
Assets
Cash and cash equivalents	368	341
Trading assets at fair value	2,074	1,965
Investment securities	244	37
Securities purchased under agreements to resell	200	200
Customer and other receivables	30	31
Intangible assets	76	85
Other assets	245	253
Total assets	3,237	2,912
Liabilities
Other secured financings	1,420	767
Other liabilities and accrued expenses	176	261
Total liabilities	1,596	1,028
Noncontrolling interests	$ 103	$ 115