Consolidated Income Statement - USD ($) shares in Millions, $ in Millions		3 Months Ended
		Mar. 31, 2024	Mar. 31, 2023
Revenues
Investment banking		$ 1,589	$ 1,330
Trading		4,852	4,477
Investments		137	145
Commissions and fees		1,227	1,239
Asset management		5,269	4,728
Other		266	252
Total non-interest revenues		13,340	12,171
Interest income	[1]	12,930	9,980
Interest expense	[1]	11,134	7,634
Net interest		1,796	2,346
Net revenues		15,136	14,517
Provision for credit losses		(6)	234
Non-interest expenses
Compensation and benefits		6,696	6,410
Brokerage, clearing and exchange fees		921	881
Information processing and communications		976	915
Professional services		639	710
Occupancy and equipment		441	440
Marketing and business development		217	247
Other		857	920
Total non-interest expenses		10,747	10,523
Income before provision for income taxes		4,395	3,760
Provision for income taxes		933	727
Net income		3,462	3,033
Net income applicable to noncontrolling interests		50	53
Net income applicable to Morgan Stanley		3,412	2,980
Preferred stock dividends		146	144
Earnings applicable to Morgan Stanley common shareholders		$ 3,266	$ 2,836
Earnings per common share
Basic (USD per share)		$ 2.04	$ 1.72
Diluted (USD per share)		$ 2.02	$ 1.70
Average common shares outstanding
Basic (shares)		1,601	1,645
Diluted (shares)		1,616	1,663

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