Consolidated Income Statement - USD ($) shares in Millions, $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Revenues
Investment banking		$ 1,735	$ 1,155	$ 3,324	$ 2,485
Trading		4,131	3,802	8,983	8,279
Investments		157	95	294	240
Commissions and fees		1,183	1,090	2,410	2,329
Asset management		5,424	4,817	10,693	9,545
Other		322	488	588	740
Total non-interest revenues		12,952	11,447	26,292	23,618
Interest income	[1]	13,529	10,913	26,459	20,893
Interest expense	[1]	11,462	8,903	22,596	16,537
Net interest		2,067	2,010	3,863	4,356
Net revenues		15,019	13,457	30,155	27,974
Provision for credit losses		76	161	70	395
Non-interest expenses
Compensation and benefits		6,460	6,262	13,156	12,672
Brokerage, clearing and exchange fees		995	875	1,916	1,756
Information processing and communications		1,011	926	1,987	1,841
Professional services		753	767	1,392	1,477
Occupancy and equipment		464	471	905	911
Marketing and business development		245	236	462	483
Other		941	947	1,798	1,867
Total non-interest expenses		10,869	10,484	21,616	21,007
Income before provision for income taxes		4,074	2,812	8,469	6,572
Provision for income taxes		957	591	1,890	1,318
Net income		3,117	2,221	6,579	5,254
Net income applicable to noncontrolling interests		41	39	91	92
Net income applicable to Morgan Stanley		3,076	2,182	6,488	5,162
Preferred stock dividends		134	133	280	277
Earnings applicable to Morgan Stanley common shareholders		$ 2,942	$ 2,049	$ 6,208	$ 4,885
Earnings per common share
Basic (USD per share)		$ 1.85	$ 1.25	$ 3.89	$ 2.98
Diluted (USD per share)		$ 1.82	$ 1.24	$ 3.85	$ 2.95
Average common shares outstanding
Basic (shares)		1,594	1,635	1,597	1,640
Diluted (shares)		1,611	1,651	1,614	1,657

[1] Prior period amounts have been adjusted to conform with the current period presentation. See Note 2 for additional information.