Consolidated Income Statements - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Revenues
Investment banking	$ 4,948	$ 5,599	$ 10,994
Trading	15,263	13,928	12,810
Investments	573	15	1,376
Commissions and fees	4,537	4,938	5,521
Asset management	19,617	19,578	19,967
Other	975	283	1,042
Total non-interest revenues	45,913	44,341	51,710
Interest income	50,281	21,595	9,411
Interest expense	42,051	12,268	1,366
Net interest	8,230	9,327	8,045
Net revenues	54,143	53,668	59,755
Provision for credit losses	532	280	4
Non-interest expenses
Compensation and benefits	24,558	23,053	24,628
Brokerage, clearing and exchange fees	3,476	3,458	3,341
Information processing and communications	3,775	3,493	3,119
Professional services	3,058	3,070	2,933
Occupancy and equipment	1,895	1,729	1,725
Marketing and business development	898	905	643
Other	4,138	3,591	3,694
Total non-interest expenses	41,798	39,299	40,083
Income before provision for income taxes	11,813	14,089	19,668
Provision for income taxes	2,583	2,910	4,548
Net income	9,230	11,179	15,120
Net income applicable to noncontrolling interests	143	150	86
Net income applicable to Morgan Stanley	9,087	11,029	15,034
Preferred stock dividends	557	489	468
Earnings applicable to Morgan Stanley common shareholders	$ 8,530	$ 10,540	$ 14,566
Earnings per common share
Earnings per common share - basic (in dollars per share)	$ 5.24	$ 6.23	$ 8.16
Earnings per common share - diluted (in dollars per share)	$ 5.18	$ 6.15	$ 8.03
Average common shares outstanding
Basic (in shares)	1,628	1,691	1,785
Diluted (in shares)	1,646	1,713	1,814