Consolidated Income Statement - USD ($) shares in Millions, $ in Millions		3 Months Ended		9 Months Ended
		Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Revenues
Investment banking		$ 1,590	$ 1,048	$ 4,914	$ 3,533
Trading		4,002	3,679	12,985	11,958
Investments		315	144	609	384
Commissions and fees		1,294	1,098	3,704	3,427
Asset management		5,747	5,031	16,440	14,576
Other		239	296	827	1,036
Total non-interest revenues		13,187	11,296	39,479	34,914
Interest income	[1]	14,185	12,126	40,644	33,019
Interest expense	[1]	11,989	10,149	34,585	26,686
Net interest		2,196	1,977	6,059	6,333
Net revenues		15,383	13,273	45,538	41,247
Provision for credit losses		79	134	149	529
Non-interest expenses
Compensation and benefits		6,733	5,935	19,889	18,607
Brokerage, clearing and exchange fees		1,044	855	2,960	2,611
Information processing and communications		1,042	947	3,029	2,788
Professional services		711	759	2,103	2,236
Occupancy and equipment		473	456	1,378	1,367
Marketing and business development		224	191	686	674
Other		856	851	2,654	2,718
Total non-interest expenses		11,083	9,994	32,699	31,001
Income before provision for income taxes		4,221	3,145	12,690	9,717
Provision for income taxes		995	710	2,885	2,028
Net income		3,226	2,435	9,805	7,689
Net income applicable to noncontrolling interests		38	27	129	119
Net income applicable to Morgan Stanley		3,188	2,408	9,676	7,570
Preferred stock dividends		160	146	440	423
Earnings applicable to Morgan Stanley common shareholders		$ 3,028	$ 2,262	$ 9,236	$ 7,147
Earnings per common share
Basic (USD per share)		$ 1.91	$ 1.39	$ 5.79	$ 4.37
Diluted (USD per share)		$ 1.88	$ 1.38	$ 5.73	$ 4.33
Average common shares outstanding
Basic (shares)		1,588	1,624	1,594	1,635
Diluted (shares)		1,609	1,643	1,612	1,653

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