Consolidated Statements of Changes in Total Equity - USD ($) $ in Millions	Total	Preferred Stock	Common Stock	Additional Paid-in Capital	Additional Paid-in Capital Eaton Vance Corp.	Additional Paid-in Capital E-TRADE	Retained Earnings		Retained Earnings Adjustment		Employee Stock Trusts	Accumulated Other Comprehensive Income (Loss)	Common Stock Held in Treasury at Cost	Common Stock Held in Treasury at Cost Eaton Vance Corp.	Common Stock Held in Treasury at Cost E-TRADE	Common Stock Issued to Employee Stock Trusts	Noncontrolling Interests
Beginning balance at Dec. 31, 2018		$ 8,520	$ 20	$ 23,794			$ 64,175		$ 63		$ 2,836	$ (2,292)	$ (13,971)			$ (2,836)	$ 1,160
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Redemption of preferred stock		(500)
Issuance of preferred stock		500		(3)
Issuance of stock for acquisitions					$ 0	$ 0								$ 0	$ 0
Share-based award activity				131							82		1,198			(82)
Other net increases (decreases)				13			(6)										(138)
Net income applicable to Morgan Stanley	$ 9,042						9,042
Preferred stock dividends	(524)						(524)	[1]
Common stock dividends	(2,161)						(2,161)	[1]
Net change in Accumulated other comprehensive income (loss)	(565)											(496)					(69)
Repurchases of common stock and employee tax withholdings													(5,954)
Net income applicable to noncontrolling interests	(195)																195
Ending balance at Dec. 31, 2019	82,697	8,520	20	23,935			70,589		$ (100)	[2]	2,918	(2,788)	(18,727)			(2,918)	1,148
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Redemption of preferred stock		0
Issuance of preferred stock		730		0
Issuance of stock for acquisitions					0	1,093								0	9,918
Share-based award activity				518							125		932			(125)
Other net increases (decreases)				0			0										(5)
Net income applicable to Morgan Stanley	10,996						10,996
Preferred stock dividends	(496)						(496)	[1]
Common stock dividends	(2,295)						(2,295)	[1]
Net change in Accumulated other comprehensive income (loss)	868											826					42
Repurchases of common stock and employee tax withholdings													(1,890)
Net income applicable to noncontrolling interests	(183)																183
Ending balance at Dec. 31, 2020	103,149	9,250	20	25,546			78,694				3,043	(1,962)	(9,767)			(3,043)	1,368
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Redemption of preferred stock		(2,800)
Issuance of preferred stock		1,300		(25)
Issuance of stock for acquisitions					$ 2,185	$ 0								$ 3,132	$ 0
Share-based award activity				1,117							912		1,210			(912)
Other net increases (decreases)				18			(10)										(207)
Net income applicable to Morgan Stanley	15,034						15,034
Preferred stock dividends	(468)						(468)	[1]
Common stock dividends	(3,818)						(3,818)	[1]
Net change in Accumulated other comprehensive income (loss)	(1,230)											(1,140)					(90)
Repurchases of common stock and employee tax withholdings													(12,075)
Net income applicable to noncontrolling interests	(86)																86
Ending balance at Dec. 31, 2021	$ 106,598	$ 7,750	$ 20	$ 28,841			$ 89,432				$ 3,955	$ (3,102)	$ (17,500)			$ (3,955)	$ 1,157

[1] See Note 18 for information regarding dividends per share for each class of stock.

[2] See Note 2 for further information regarding cumulative adjustments for accounting changes.