Consolidated Income Statements (Unaudited) - USD ($) shares in Thousands, $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Revenues
Investment banking	$ 2,840	$ 1,271
Trading	4,225	2,801
Investments	318	38
Commissions and fees	1,626	1,360
Asset management	4,398	3,417
Other	284	(464)
Total non-interest revenues	13,691	8,423
Interest income	2,437	3,503
Interest expense	409	2,147
Net interest	2,028	1,356
Net revenues	15,719	9,779
Provision for credit losses	(98)	407
Non-interest expenses
Compensation and benefits	6,798	4,283
Brokerage, clearing and exchange fees	910	740
Information processing and communications	733	563
Professional services	624	449
Occupancy and equipment	405	365
Marketing and business development	146	132
Other	857	694
Total non-interest expenses	10,473	7,226
Income before provision for income taxes	5,344	2,146
Provision for income taxes	1,176	366
Net income	4,168	1,780
Net income applicable to noncontrolling interests	48	82
Net income applicable to Morgan Stanley	4,120	1,698
Preferred stock dividends	138	108
Earnings applicable to Morgan Stanley common shareholders	$ 3,982	$ 1,590
Earnings per common share
Basic (USD per share)	$ 2.22	$ 1.02
Diluted (USD per share)	$ 2.19	$ 1.01
Average common shares outstanding
Basic (shares)	1,795,000	1,555,000
Diluted (shares)	1,818,000	1,573,000