Consolidated Income Statements - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Revenues
Investment banking	$ 6,163	$ 6,482	$ 6,003
Trading	11,095	11,551	11,116
Investments	1,540	437	820
Commissions and fees	3,919	4,190	4,061
Asset management	13,083	12,898	11,797
Other	925	743	848
Total non-interest revenues	36,725	36,301	34,645
Interest income	17,098	13,892	8,997
Interest expense	12,404	10,086	5,697
Net interest	4,694	3,806	3,300
Net revenues	41,419	40,107	37,945
Non-interest expenses
Compensation and benefits	18,837	17,632	17,166
Occupancy and equipment	1,428	1,391	1,329
Brokerage, clearing and exchange fees	2,493	2,393	2,093
Information processing and communications	2,194	2,016	1,791
Marketing and business development	660	691	609
Professional services	2,137	2,265	2,169
Other	2,369	2,482	2,385
Total non-interest expenses	30,118	28,870	27,542
Income from continuing operations before income taxes	11,301	11,237	10,403
Provision for income taxes	2,064	2,350	4,168
Income from continuing operations	9,237	8,887	6,235
Income (loss) from discontinued operations, net of income taxes	0	(4)	(19)
Net income	9,237	8,883	6,216
Net income applicable to noncontrolling interests	195	135	105
Net income applicable to Morgan Stanley	9,042	8,748	6,111
Preferred stock dividends and other	530	526	523
Earnings applicable to Morgan Stanley common shareholders	$ 8,512	$ 8,222	$ 5,588
Earnings per basic common share
Income from continuing operations (USD per share)	$ 5.26	$ 4.81	$ 3.15
Income (loss) from discontinued operations (USD per share)	0	0	(0.01)
Earnings per basic common share (USD per share)	5.26	4.81	3.14
Earnings per diluted common share
Income from continuing operations (USD per share)	5.19	4.73	3.08
Income (loss) from discontinued operations (USD per share)	0	0	(0.01)
Earnings per diluted common share (USD per share)	$ 5.19	$ 4.73	$ 3.07
Average common shares outstanding
Basic (shares)	1,617	1,708	1,780
Diluted (shares)	1,640	1,738	1,821