Derivative Instruments - Derivatives Netting (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Gross and Net Derivative Receivables by Contract and Settlement Type:
Gross derivative receivables	$ 630,361	$ 528,471
Amounts netted on the Consolidated balance sheets	(568,713)	(488,206)
Net derivative receivables	61,648	40,265
Derivative receivables where an appropriate legal opinion has not been either sought or obtained	9,232	16,816
Total derivative receivables recognized on the Consolidated balance sheets, Gross derivate receivables	639,593	545,287
Total derivative receivables recognized on the Consolidated balance sheets, Net derivative receivables	70,880	57,081
Collateral not nettable on the Consolidated balance sheets, Net derivative receivables	(23,014)	(10,102)
Net amounts, Net derivative receivables	47,866	46,979
Gross and Net Derivative Payables by Contract and Settlement Type:
Gross derivative payables	624,756	518,487
Amounts netted on the Consolidated balance sheets	(586,372)	(484,928)
Net derivative payables	38,384	33,559
Derivative payables where an appropriate legal opinion has not been either sought or obtained	$ 12,757	$ 16,557
Derivative Liability, Statement of Financial Position [Extensible Enumeration]	Trading Liabilities	Trading Liabilities
Total derivative payables recognized on the Consolidated balance sheets, Gross derivative payables	$ 637,513	$ 535,044
Total derivative payables recognized on the Consolidated balance sheets, Net derivative payables	51,141	50,116
Collateral not nettable on the Consolidated balance sheets, Net derivative payables	(3,318)	(5,872)
Net amounts, Net derivative payables	47,823	44,244
Net cash collateral receivables	51,500	67,600
Netted cash collateral payables	69,200	64,300
Interest rate contracts
Gross and Net Derivative Receivables by Contract and Settlement Type:
Gross derivative receivables	298,281	266,595
Amounts netted on the Consolidated balance sheets	(271,996)	(248,611)
Net derivative receivables	26,285	17,984
Total derivative receivables recognized on the Consolidated balance sheets, Gross derivate receivables	300,415	270,585
Total derivative receivables recognized on the Consolidated balance sheets, Net derivative receivables	28,419	21,974
Gross and Net Derivative Payables by Contract and Settlement Type:
Gross derivative payables	287,852	239,563
Amounts netted on the Consolidated balance sheets	(274,321)	(232,537)
Net derivative payables	13,531	7,026
Total derivative payables recognized on the Consolidated balance sheets, Gross derivative payables	290,291	240,731
Total derivative payables recognized on the Consolidated balance sheets, Net derivative payables	15,970	8,194
Interest rate contracts | OTC
Gross and Net Derivative Receivables by Contract and Settlement Type:
Gross derivative receivables	203,922	251,953
Amounts netted on the Consolidated balance sheets	(178,261)	(234,283)
Net derivative receivables	25,661	17,670
Gross and Net Derivative Payables by Contract and Settlement Type:
Gross derivative payables	190,108	223,576
Amounts netted on the Consolidated balance sheets	(176,890)	(216,757)
Net derivative payables	13,218	6,819
Interest rate contracts | OTC–cleared
Gross and Net Derivative Receivables by Contract and Settlement Type:
Gross derivative receivables	93,800	14,144
Amounts netted on the Consolidated balance sheets	(93,424)	(13,839)
Net derivative receivables	376	305
Gross and Net Derivative Payables by Contract and Settlement Type:
Gross derivative payables	97,417	15,695
Amounts netted on the Consolidated balance sheets	(97,126)	(15,492)
Net derivative payables	291	203
Interest rate contracts | Exchange-traded
Gross and Net Derivative Receivables by Contract and Settlement Type:
Gross derivative receivables	559	498
Amounts netted on the Consolidated balance sheets	(311)	(489)
Net derivative receivables	248	9
Gross and Net Derivative Payables by Contract and Settlement Type:
Gross derivative payables	327	292
Amounts netted on the Consolidated balance sheets	(305)	(288)
Net derivative payables	22	4
Credit contracts
Gross and Net Derivative Receivables by Contract and Settlement Type:
Gross derivative receivables	10,220	9,706
Amounts netted on the Consolidated balance sheets	(9,239)	(8,808)
Net derivative receivables	981	898
Total derivative receivables recognized on the Consolidated balance sheets, Gross derivate receivables	10,329	9,839
Total derivative receivables recognized on the Consolidated balance sheets, Net derivative receivables	1,090	1,031
Gross and Net Derivative Payables by Contract and Settlement Type:
Gross derivative payables	9,728	10,700
Amounts netted on the Consolidated balance sheets	(9,217)	(10,032)
Net derivative payables	511	668
Total derivative payables recognized on the Consolidated balance sheets, Gross derivative payables	9,971	10,912
Total derivative payables recognized on the Consolidated balance sheets, Net derivative payables	754	880
Credit contracts | OTC
Gross and Net Derivative Receivables by Contract and Settlement Type:
Gross derivative receivables	8,474	8,035
Amounts netted on the Consolidated balance sheets	(7,535)	(7,177)
Net derivative receivables	939	858
Gross and Net Derivative Payables by Contract and Settlement Type:
Gross derivative payables	8,054	9,021
Amounts netted on the Consolidated balance sheets	(7,572)	(8,421)
Net derivative payables	482	600
Credit contracts | OTC–cleared
Gross and Net Derivative Receivables by Contract and Settlement Type:
Gross derivative receivables	1,746	1,671
Amounts netted on the Consolidated balance sheets	(1,704)	(1,631)
Net derivative receivables	42	40
Gross and Net Derivative Payables by Contract and Settlement Type:
Gross derivative payables	1,674	1,679
Amounts netted on the Consolidated balance sheets	(1,645)	(1,611)
Net derivative payables	29	68
Foreign exchange contracts
Gross and Net Derivative Receivables by Contract and Settlement Type:
Gross derivative receivables	239,417	166,980
Amounts netted on the Consolidated balance sheets	(218,214)	(156,954)
Net derivative receivables	21,203	10,026
Total derivative receivables recognized on the Consolidated balance sheets, Gross derivate receivables	241,579	169,579
Total derivative receivables recognized on the Consolidated balance sheets, Net derivative receivables	23,365	12,625
Gross and Net Derivative Payables by Contract and Settlement Type:
Gross derivative payables	247,965	172,323
Amounts netted on the Consolidated balance sheets	(232,665)	(161,649)
Net derivative payables	15,300	10,674
Total derivative payables recognized on the Consolidated balance sheets, Gross derivative payables	251,521	175,746
Total derivative payables recognized on the Consolidated balance sheets, Net derivative payables	18,856	14,097
Foreign exchange contracts | OTC
Gross and Net Derivative Receivables by Contract and Settlement Type:
Gross derivative receivables	237,941	166,185
Amounts netted on the Consolidated balance sheets	(216,796)	(156,251)
Net derivative receivables	21,145	9,934
Gross and Net Derivative Payables by Contract and Settlement Type:
Gross derivative payables	246,457	171,610
Amounts netted on the Consolidated balance sheets	(231,248)	(160,946)
Net derivative payables	15,209	10,664
Foreign exchange contracts | OTC–cleared
Gross and Net Derivative Receivables by Contract and Settlement Type:
Gross derivative receivables	1,461	789
Amounts netted on the Consolidated balance sheets	(1,417)	(703)
Net derivative receivables	44	86
Gross and Net Derivative Payables by Contract and Settlement Type:
Gross derivative payables	1,488	706
Amounts netted on the Consolidated balance sheets	(1,417)	(703)
Net derivative payables	71	3
Foreign exchange contracts | Exchange-traded
Gross and Net Derivative Receivables by Contract and Settlement Type:
Gross derivative receivables	15	6
Amounts netted on the Consolidated balance sheets	(1)	0
Net derivative receivables	14	6
Gross and Net Derivative Payables by Contract and Settlement Type:
Gross derivative payables	20	7
Amounts netted on the Consolidated balance sheets	0	0
Net derivative payables	20	7
Equity contracts
Gross and Net Derivative Receivables by Contract and Settlement Type:
Gross derivative receivables	58,790	61,799
Amounts netted on the Consolidated balance sheets	(52,774)	(58,650)
Net derivative receivables	6,016	3,149
Total derivative receivables recognized on the Consolidated balance sheets, Gross derivate receivables	61,913	68,631
Total derivative receivables recognized on the Consolidated balance sheets, Net derivative receivables	9,139	9,981
Gross and Net Derivative Payables by Contract and Settlement Type:
Gross derivative payables	58,124	72,000
Amounts netted on the Consolidated balance sheets	(53,657)	(62,494)
Net derivative payables	4,467	9,506
Total derivative payables recognized on the Consolidated balance sheets, Gross derivative payables	62,461	79,727
Total derivative payables recognized on the Consolidated balance sheets, Net derivative payables	8,804	17,233
Equity contracts | OTC
Gross and Net Derivative Receivables by Contract and Settlement Type:
Gross derivative receivables	30,323	25,704
Amounts netted on the Consolidated balance sheets	(25,665)	(23,977)
Net derivative receivables	4,658	1,727
Gross and Net Derivative Payables by Contract and Settlement Type:
Gross derivative payables	29,833	31,379
Amounts netted on the Consolidated balance sheets	(26,554)	(27,830)
Net derivative payables	3,279	3,549
Equity contracts | Exchange-traded
Gross and Net Derivative Receivables by Contract and Settlement Type:
Gross derivative receivables	28,467	36,095
Amounts netted on the Consolidated balance sheets	(27,109)	(34,673)
Net derivative receivables	1,358	1,422
Gross and Net Derivative Payables by Contract and Settlement Type:
Gross derivative payables	28,291	40,621
Amounts netted on the Consolidated balance sheets	(27,103)	(34,664)
Net derivative payables	1,188	5,957
Commodity contracts
Gross and Net Derivative Receivables by Contract and Settlement Type:
Gross derivative receivables	23,653	23,391
Amounts netted on the Consolidated balance sheets	(16,490)	(15,183)
Net derivative receivables	7,163	8,208
Total derivative receivables recognized on the Consolidated balance sheets, Gross derivate receivables	25,357	26,653
Total derivative receivables recognized on the Consolidated balance sheets, Net derivative receivables	8,867	11,470
Gross and Net Derivative Payables by Contract and Settlement Type:
Gross derivative payables	21,087	23,901
Amounts netted on the Consolidated balance sheets	(16,512)	(18,216)
Net derivative payables	4,575	5,685
Total derivative payables recognized on the Consolidated balance sheets, Gross derivative payables	23,269	27,928
Total derivative payables recognized on the Consolidated balance sheets, Net derivative payables	6,757	9,712
Commodity contracts | OTC
Gross and Net Derivative Receivables by Contract and Settlement Type:
Gross derivative receivables	14,430	15,063
Amounts netted on the Consolidated balance sheets	(7,633)	(6,868)
Net derivative receivables	6,797	8,195
Gross and Net Derivative Payables by Contract and Settlement Type:
Gross derivative payables	11,954	14,874
Amounts netted on the Consolidated balance sheets	(7,642)	(9,667)
Net derivative payables	4,312	5,207
Commodity contracts | OTC–cleared
Gross and Net Derivative Receivables by Contract and Settlement Type:
Gross derivative receivables	120	49
Amounts netted on the Consolidated balance sheets	(112)	(49)
Net derivative receivables	8	0
Gross and Net Derivative Payables by Contract and Settlement Type:
Gross derivative payables	112	73
Amounts netted on the Consolidated balance sheets	(112)	(73)
Net derivative payables	0	0
Commodity contracts | Exchange-traded
Gross and Net Derivative Receivables by Contract and Settlement Type:
Gross derivative receivables	9,103	8,279
Amounts netted on the Consolidated balance sheets	(8,745)	(8,266)
Net derivative receivables	358	13
Gross and Net Derivative Payables by Contract and Settlement Type:
Gross derivative payables	9,021	8,954
Amounts netted on the Consolidated balance sheets	(8,758)	(8,476)
Net derivative payables	$ 263	$ 478