Consolidated Statements of Financial Condition (USD $) In Millions, unless otherwise specified	Dec. 31, 2012		Dec. 31, 2011
Assets
Cash and due from banks ($526 and $511 at December 31, 2012 and December 31, 2011, respectively, related to consolidated variable interest entities generally not available to the Company)	$ 20,878		$ 13,165
Interest bearing deposits with banks	26,026		34,147
Cash deposited with clearing organizations or segregated under federal and other regulations or requirements	30,970		29,454
Financial instruments owned, at fair value (approximately $147,348 and $140,749 were pledged to various parties at December 31, 2012 and December 31, 2011, respectively):
U.S. government and agency securities	54,015		63,449
Other sovereign government obligations	43,162		29,059
Corporate and other debt ($1,602 and $3,007 at December 31, 2012 and December 31, 2011, respectively, related to consolidated variable interest entities, generally not available to the Company)	49,157		68,923
Corporate equities	69,427		47,966
Derivative and other contracts	36,197		48,064
Investments ($1,888 and $1,666 at December 31, 2012 and December 31, 2011, respectively, related to consolidated variable interest entities, generally not available to the Company)	8,346		8,195
Physical commodities	7,299		9,697
Total financial instruments owned, at fair value	267,603		275,353
Securities available for sale, at fair value	39,869		30,495
Securities received as collateral, at fair value	14,278		11,651
Federal funds sold and securities purchased under agreements to resell (includes $621 and $112 at fair value at December 31, 2012 and December 31, 2011, respectively)	134,412		130,155
Securities borrowed	121,701		127,074
Receivables:
Customers	46,197		33,977
Brokers, dealers and clearing organizations	7,335		5,248
Fees, interest and other	10,756		9,444
Loans (net of allowances of $106 and $17 at December 31, 2012 and December 31, 2011, respectively)	29,046		15,369
Other investments	4,999		4,832
Premises, equipment and software costs (net of accumulated depreciation of $5,525 and $4,852 at December 31, 2012 and December 31, 2011, respectively) ($224 and $234 at December 31, 2012 and December 31, 2011, respectively, related to consolidated variable interest entities, generally not available to the Company)	5,946		6,457
Goodwill	6,650	[1]	6,686	[1]
Intangible assets (net of accumulated amortization of $1,250 and $910 at December 31, 2012 and December 31, 2011, respectively) (includes $7 and $133 at fair value at December 31, 2012 and December 31, 2011, respectively)	3,783		4,285
Other assets ($593 and $446 at December 31, 2012 and December 31, 2011, respectively, related to consolidated variable interest entities, generally not available to the Company)	10,511		12,106
Total assets	780,960	[2]	749,898	[2]
Liabilities and Equity
Deposits (includes $1,485 and $2,101 at fair value at December 31, 2012 and December 31, 2011, respectively)	83,266	[3]	65,662	[3]
Commercial paper and other short-term borrowings (includes $725 and $1,339 at fair value at December 31, 2012 and December 31, 2011, respectively)	2,138		2,843
Financial instruments sold, not yet purchased, at fair value:
U.S. government and agency securities	21,620		19,630
Other sovereign government obligations	29,614		17,141
Corporate and other debt	5,054		8,410
Corporate equities	26,876		24,497
Derivative and other contracts	36,958		46,453
Physical commodities	0		16
Total financial instruments sold, not yet purchased, at fair value	120,122		116,147
Obligation to return securities received as collateral, at fair value	18,226		15,394
Securities sold under agreements to repurchase (includes $363 and $348 at fair value at December 31, 2012 and December 31, 2011, respectively)	122,674		104,800
Securities loaned	36,849		30,462
Other secured financings (includes $9,466 and $14,594 at fair value at December 31, 2012 and December 31, 2011, respectively) ($976 and $2,316 at December 31, 2012 and December 31, 2011, respectively, related to consolidated variable interest entities and are non-recourse to the Company)	15,727	[4]	20,719	[4]
Payables:
Customers	122,540		117,241
Brokers, dealers and clearing organizations	2,497		4,082
Interest and dividends	2,685		2,292
Other liabilities and accrued expenses ($117 and $121 at December 31, 2012 and December 31, 2011, respectively, related to consolidated variable interest entities and are non-recourse to the Company)	14,928		15,944
Long-term borrowings (includes $44,044 and $39,663 at fair value at December 31, 2012 and December 31, 2011, respectively)	169,571	[5],[6]	184,234	[7]
Total liabilities	711,223		679,820
Commitments and contingent liabilities
Redeemable noncontrolling interest	4,309		0
Morgan Stanley shareholders' equity:
Preferred stock	1,508		1,508
Common stock, $0.01 par value: Shares authorized: 3,500,000,000 at December 31, 2012 and December 31, 2011; Shares issued: 2,038,893,979 at December 31, 2012 and 1,989,377,171 at December 31, 2011; Shares outstanding: 1,974,042,123 at December 31, 2012 and 1,926,986,130 at December 31, 2011	20		20
Paid-in capital	23,426		22,836
Retained earnings	39,912		40,341
Employee stock trust	2,932		3,166
Accumulated other comprehensive loss	(516)		(157)
Common stock held in treasury, at cost, $0.01 par value; 64,851,856 shares at December 31, 2012 and 62,391,041 shares at December 31, 2011	(2,241)		(2,499)
Common stock issued to employee trust	(2,932)		(3,166)
Total Morgan Stanley shareholders' equity	62,109		62,049
Nonredeemable noncontrolling interests	3,319		8,029
Total equity	65,428		70,078
Total liabilities, redeemable noncontrolling interests and equity	$ 780,960		$ 749,898

[1] The amount of the Company’s goodwill before accumulated impairments of $700 million, which included $673 million related to the Institutional Securities business segment and $27 million related to the Asset Management business segment, was $7,350 million and $7,386 million at December 31, 2012 and December 31, 2011, respectively.

[2] Corporate assets have been fully allocated to the Company’s business segments.

[3] Total deposits subject to Federal Deposit Insurance Corporation (the “FDIC”) at December 31, 2012 and December 31, 2011 were $62 billion and $52 billion, respectively.

[4] Amounts include $9,466 million at fair value at December 31, 2012 and $14,594 million at fair value at December 31, 2011.

[5] Amounts include an increase of approximately $6.4 billion at December 31, 2012, to the carrying amount of certain of the Company’s long-term borrowings associated with fair value hedges. The increase to the carrying value associated with fair value hedges by year due was approximately less than $0.1 billion due in 2013, $0.3 billion due in 2014, $0.8 billion due in 2015, $0.8 billion due in 2016, $1.5 billion due in 2017 and $2.9 billion due thereafter.

[6] Amounts include an increase of approximately $0.4 billion at December 31, 2012 to the carrying amounts of certain of the Company’s long-term borrowings for which the fair value option was elected (see Note 4).

[7] Amounts include long-term borrowings issued under the Temporary Liquidity Guarantee Program (“TLGP”).