SEC Info  
    Home      Search      My Interests      Help      Sign In      Please Sign In

Morgan Stanley – ‘10-K’ for 12/31/18 – ‘XML’

On:  Tuesday, 2/26/19, at 4:12pm ET   ·   For:  12/31/18   ·   Accession #:  1193125-19-51943   ·   File #:  1-11758

Previous ‘10-K’:  ‘10-K’ on 2/27/18 for 12/31/17   ·   Next:  ‘10-K’ on 2/27/20 for 12/31/19   ·   Latest:  ‘10-K’ on 2/22/24 for 12/31/23   ·   4 References:   

Find Words in Filings emoji
 
  in    Show  and   Hints

  As Of               Filer                 Filing    For·On·As Docs:Size             Issuer                      Filing Agent

 2/26/19  Morgan Stanley                    10-K       12/31/18  188:49M                                    Donnelley … Solutions/FA

Annual Report   —   Form 10-K   —   Sect. 13 / 15(d) – SEA’34
Filing Table of Contents

Document/Exhibit                   Description                      Pages   Size 

 1: 10-K        Annual Report                                       HTML   3.85M 
 4: EX-10.24    Material Contract                                   HTML     56K 
 5: EX-10.30    Material Contract                                   HTML    169K 
 2: EX-10.4     Material Contract                                   HTML     69K 
 3: EX-10.6     Material Contract                                   HTML    118K 
 6: EX-21       Subsidiaries List                                   HTML     60K 
 7: EX-23.1     Consent of Experts or Counsel                       HTML     64K 
 8: EX-31.1     Certification -- §302 - SOA'02                      HTML     58K 
 9: EX-31.2     Certification -- §302 - SOA'02                      HTML     58K 
10: EX-32.1     Certification -- §906 - SOA'02                      HTML     53K 
11: EX-32.2     Certification -- §906 - SOA'02                      HTML     53K 
18: R1          Document and Entity Information                     HTML     82K 
19: R2          Consolidated Income Statements                      HTML    163K 
20: R3          Consolidated Comprehensive Income Statements        HTML     83K 
21: R4          Consolidated Balance Sheets                         HTML    152K 
22: R5          Consolidated Balance Sheets (Parenthetical)         HTML     82K 
23: R6          Consolidated Statements of Changes in Total Equity  HTML    109K 
24: R7          Consolidated Statements of Changes in Total Equity  HTML     58K 
                (Parenthetical)                                                  
25: R8          Consolidated Cash Flow Statements                   HTML    164K 
26: R9          Introduction and Basis of Presentation              HTML     74K 
27: R10         Significant Accounting Policies                     HTML    198K 
28: R11         Fair Value Disclosures                              HTML   1.28M 
29: R12         Derivative Instruments and Hedging Activities       HTML    530K 
30: R13         Investment Securities                               HTML    502K 
31: R14         Collateralized Transactions                         HTML    283K 
32: R15         Loans, Lending Commitments and Allowance for        HTML    421K 
                Credit Losses                                                    
33: R16         Equity Method Investments                           HTML     70K 
34: R17         Goodwill and Intangible Assets                      HTML    152K 
35: R18         Deposits                                            HTML     77K 
36: R19         Borrowings and Other Secured Financings             HTML    220K 
37: R20         Commitments, Guarantees and Contingencies           HTML    262K 
38: R21         Variable Interest Entities and Securitization       HTML    382K 
                Activities                                                       
39: R22         Regulatory Requirements                             HTML    221K 
40: R23         Total Equity                                        HTML    379K 
41: R24         Earnings per Common Share                           HTML    119K 
42: R25         Interest Income and Interest Expense                HTML     90K 
43: R26         Deferred Compensation Plans                         HTML    176K 
44: R27         Employee Benefit Plans                              HTML    391K 
45: R28         Income Taxes                                        HTML    215K 
46: R29         Segment, Geographic and Revenue Information         HTML    426K 
47: R30         Parent Company                                      HTML    291K 
48: R31         Quarterly Results                                   HTML    251K 
49: R32         Subsequent Events                                   HTML     56K 
50: R33         Significant Accounting Policies (Policy)            HTML    247K 
51: R34         Significant Accounting Policies (Tables)            HTML     60K 
52: R35         Fair Value Disclosures (Tables)                     HTML   1.21M 
53: R36         Derivative Instruments and Hedging Activities       HTML    529K 
                (Tables)                                                         
54: R37         Investment Securities (Tables)                      HTML    505K 
55: R38         Collateralized Transactions (Tables)                HTML    280K 
56: R39         Loans, Lending Commitments and Allowance for        HTML    416K 
                Credit Losses (Tables)                                           
57: R40         Equity Method Investments (Tables)                  HTML     69K 
58: R41         Goodwill and Intangible Assets (Tables)             HTML    156K 
59: R42         Deposits (Tables)                                   HTML     77K 
60: R43         Borrowings and Other Secured Financings (Tables)    HTML    222K 
61: R44         Commitments, Guarantees and Contingencies (Tables)  HTML    215K 
62: R45         Variable Interest Entities and Securitization       HTML    357K 
                Activities (Tables)                                              
63: R46         Regulatory Requirements (Tables)                    HTML    208K 
64: R47         Total Equity (Tables)                               HTML    381K 
65: R48         Earnings per Common Share (Tables)                  HTML    119K 
66: R49         Interest Income and Interest Expense (Tables)       HTML     88K 
67: R50         Deferred Compensation Plans (Tables)                HTML    189K 
68: R51         Employee Benefit Plans (Tables)                     HTML    396K 
69: R52         Income Taxes (Tables)                               HTML    216K 
70: R53         Segment, Geographic and Revenue Information         HTML    433K 
                (Tables)                                                         
71: R54         Parent Company (Tables)                             HTML    289K 
72: R55         Quarterly Results (Tables)                          HTML    253K 
73: R56         Significant Accounting Policies (Details)           HTML     88K 
74: R57         Fair Value Disclosures (Assets and Liabilities      HTML    219K 
                Measured at Fair Value on a Recurring Basis)                     
                (Details)                                                        
75: R58         Fair Value Disclosures (Rollforward of Level 3      HTML    185K 
                Assets and Liabilities Measured at Fair Value on a               
                Recurring Basis) (Details)                                       
76: R59         Fair Value Disclosures (Valuation Techniques and    HTML    366K 
                Sensitivity of Unobservable Inputs Used in Level 3               
                Fair Value Measurements) (Details)                               
77: R60         Fair Value Disclosures (Fund Interests Measured     HTML     76K 
                Based on Net Asset Value) (Details)                              
78: R61         Fair Value Disclosures (Borrowings Measured at      HTML     69K 
                Fair Value on a Recurring Basis) (Details)                       
79: R62         Fair Value Disclosures (Earnings Impact of          HTML     61K 
                Borrowings under the Fair Value Option) (Details)                
80: R63         Fair Value Disclosures (Gains (Losses) Due to       HTML     73K 
                Changes in Instrument-Specific Credit Risk)                      
                (Details)                                                        
81: R64         Fair Value Disclosures (Excess of Contractual       HTML     59K 
                Principal Amount Over Fair Value) (Details)                      
82: R65         Fair Value Disclosures (Fair Value Loans on         HTML     57K 
                Nonaccrual Status) (Details)                                     
83: R66         Fair Value Disclosures (Assets and Liabilities      HTML     96K 
                Measured at Fair Value on a Nonrecurring Basis)                  
                (Details)                                                        
84: R67         Fair Value Disclosures (Financial Instruments Not   HTML    142K 
                Measured at Fair Value) (Details)                                
85: R68         Derivative Instruments and Hedging Activities       HTML    200K 
                (Derivative Fair Values) (Details)                               
86: R69         Derivative Instruments and Hedging Activities       HTML    123K 
                (Derivative Notionals) (Details)                                 
87: R70         Derivative Instruments and Hedging Activities       HTML     81K 
                (Gains (Losses) on Accounting Hedges and Fair                    
                Value Hedges) (Details)                                          
88: R71         Derivative Instruments and Hedging Activities       HTML     67K 
                (Credit Risk-Related Contingencies) (Details)                    
89: R72         Derivative Instruments and Hedging Activities       HTML    115K 
                (Maximum Potential Payout/Notional of Credit                     
                Protection Sold) (Details)                                       
90: R73         Derivative Instruments and Hedging Activities       HTML     72K 
                (Fair Value (Asset)/Liability of Credit Protection               
                Sold) (Details)                                                  
91: R74         Derivative Instruments and Hedging Activities       HTML     68K 
                (Protection Purchased with CDS) (Details)                        
92: R75         Investment Securities (AFS and HTM Securities)      HTML    150K 
                (Details)                                                        
93: R76         Investment Securities (Investment Securities in an  HTML    158K 
                Unrealized Loss Position) (Details)                              
94: R77         Investment Securities (Investment Securities by     HTML    223K 
                Contractual Maturity) (Details)                                  
95: R78         Investment Securities (Gross Realized Gains and     HTML     60K 
                Losses on Sales of AFS Securities) (Details)                     
96: R79         Collateralized Transactions (Offsetting of Certain  HTML    128K 
                Collateralized Transactions) (Details)                           
97: R80         Collateralized Transactions (Gross Secured          HTML     98K 
                Financing Balances) (Details)                                    
98: R81         Collateralized Transactions (Assets Loaned or       HTML     60K 
                Pledged) (Details)                                               
99: R82         Collateralized Transactions (Collateral Received)   HTML     57K 
                (Details)                                                        
100: R83         Collateralized Transactions (Restricted Cash and    HTML     61K  
                Segregated Securities) (Details)                                 
101: R84         Collateralized Transactions (Concentration Risk)    HTML     61K  
                (Details)                                                        
102: R85         Collateralized Transactions (Customer Margin        HTML     54K  
                Lending) (Details)                                               
103: R86         Loans, Lending Commitments and Allowance for        HTML    141K  
                Credit Losses (Loans by Type) (Details)                          
104: R87         Loans, Lending Commitments and Allowance for        HTML     89K  
                Credit Losses (Impaired Loans and Lending                        
                Commitments) (Details)                                           
105: R88         Loans, Lending Commitments and Allowance for        HTML     58K  
                Credit Losses (Tdr) (Details)                                    
106: R89         Loans, Lending Commitments and Allowance for        HTML    117K  
                Credit Losses (Allowance for Loan Losses and                     
                Lending Commitments Rollforward) (Details)                       
107: R90         Loans, Lending Commitments and Allowance for        HTML     64K  
                Credit Losses (Employee Loans) (Details)                         
108: R91         Equity Method Investments (Equity Method            HTML     66K  
                Investment Balances) (Details)                                   
109: R92         Equity Method Investments (Investees) (Details)     HTML     64K  
110: R93         Goodwill and Intangible Assets (Goodwill            HTML     77K  
                Rollforward) (Details)                                           
111: R94         Goodwill and Intangible Assets (Intangible Assets   HTML     69K  
                by Business Segment) (Details)                                   
112: R95         Goodwill and Intangible Assets (Gross Amortizable   HTML     84K  
                Intangible Assets by Type) (Details)                             
113: R96         Goodwill and Intangible Assets (Net Amortizable     HTML     75K  
                Intangible Assets Rollforward) (Details)                         
114: R97         Deposits (Details)                                  HTML     78K  
115: R98         Borrowings and Other Secured Financings             HTML    109K  
                (Maturities and Terms of Borrowings) (Details)                   
116: R99         Borrowings and Other Secured Financings (Long-Term  HTML     76K  
                Borrowings) (Details)                                            
117: R100        Borrowings and Other Secured Financings (Rates for  HTML     56K  
                Long-Term Borrowings) (Details)                                  
118: R101        Borrowings and Other Secured Financings (Other      HTML     61K  
                Secured Financings) (Details)                                    
119: R102        Borrowings and Other Secured Financings             HTML     96K  
                (Maturities and Terms of Secured Financings)                     
                (Details)                                                        
120: R103        Borrowings and Other Secured Financings (Failed     HTML     69K  
                Sales by Maturity) (Details)                                     
121: R104        Commitments, Guarantees and Contingencies           HTML     89K  
                (Commitments) (Details)                                          
122: R105        Commitments, Guarantees and Contingencies           HTML     78K  
                (Operating Premises Leases) (Details)                            
123: R106        Commitments, Guarantees and Contingencies           HTML    126K  
                (Obligations under Guarantee Arrangements)                       
                (Details)                                                        
124: R107        Commitments, Guarantees and Contingencies           HTML    118K  
                (Contingencies) (Details)                                        
125: R108        Variable Interest Entities and Securitization       HTML     65K  
                Activities (Assets and Liabilities by Type of                    
                Activity) (Details)                                              
126: R109        Variable Interest Entities and Securitization       HTML     90K  
                Activities (Assets and Liabilities by Balance                    
                Sheet Caption) (Details)                                         
127: R110        Variable Interest Entities and Securitization       HTML    131K  
                Activities (Non-Consolidated VIEs) (Details)                     
128: R111        Variable Interest Entities and Securitization       HTML    100K  
                Activities (Transfers of Assets with Continuing                  
                Involvement 1) (Details)                                         
129: R112        Variable Interest Entities and Securitization       HTML     85K  
                Activities (Transfers of Assets with Continuing                  
                Involvement 2) (Details)                                         
130: R113        Variable Interest Entities and Securitization       HTML     64K  
                Activities (Proceeds from New Securitization                     
                Transactions and Sales of Loans) (Details)                       
131: R114        Variable Interest Entities and Securitization       HTML     68K  
                Activities (Assets Sold with Retained Exposure)                  
                (Details)                                                        
132: R115        Regulatory Requirements (Narrative) (Details)       HTML     60K  
133: R116        Regulatory Requirements (Capital Measures)          HTML     97K  
                (Details)                                                        
134: R117        Regulatory Requirements (U.S. Bank Subsidiaries'    HTML    106K  
                Regulatory Capital and Capital Ratios) (Details)                 
135: R118        Regulatory Requirements (U.S. Broker-Dealer         HTML     62K  
                Regulatory Capital Requirements) (Details)                       
136: R119        Regulatory Requirements (Restricted Net Assets)     HTML     55K  
                (Details)                                                        
137: R120        Total Equity (Rollforward of Common Stock           HTML     62K  
                Outstanding) (Details)                                           
138: R121        Total Equity (Dividends and Share Repurchases)      HTML     79K  
                (Details)                                                        
139: R122        Total Equity (Preferred Stock Outstanding)          HTML    103K  
                (Details)                                                        
140: R123        Total Equity (Preferred Stock Issuance              HTML     92K  
                Description) (Details)                                           
141: R124        Total Equity (Preferred Stock Dividends) (Details)  HTML     83K  
142: R125        Total Equity (Aoci) (Details)                       HTML     73K  
143: R126        Total Equity (Components of Period Changes in OCI   HTML    193K  
                ) (Details)                                                      
144: R127        Total Equity (Cumulative Adjustments to Retained    HTML     68K  
                Earnings) (Details)                                              
145: R128        Total Equity (Cumulative Foreign Currency           HTML     63K  
                Translation Adjustments) (Details)                               
146: R129        Earnings per Common Share (Calculation of Basic     HTML    125K  
                and Diluted EPS) (Details)                                       
147: R130        Interest Income and Interest Expense (Details)      HTML     87K  
148: R131        Deferred Compensation Plans (Stock-based            HTML     82K  
                Compensation Plans) (Details)                                    
149: R132        Deferred Compensation Plans (Vested and Unvested    HTML     82K  
                RSU Activity) (Details)                                          
150: R133        Deferred Compensation Plans (Unvested RSU           HTML     83K  
                Activity) (Details)                                              
151: R134        Deferred Compensation Plans (Performance-Based      HTML     73K  
                Stock Units) (Details)                                           
152: R135        Deferred Compensation Plans (Monte Carlo            HTML     67K  
                Simulation Assumptions) (Details)                                
153: R136        Deferred Compensation Plans (Deferred Cash-based    HTML     73K  
                Compensation Plans) (Details)                                    
154: R137        Deferred Compensation Plans (Annual Compensation    HTML     80K  
                Cost for 2018 Performance Year Awards) (Details)                 
155: R138        Employee Benefit Plans (Net Periodic Benefit        HTML    109K  
                Expense (Income)) (Details)                                      
156: R139        Employee Benefit Plans (Rollforward of the Benefit  HTML    119K  
                Obligation and Fair Value of Plan Assets)                        
                (Details)                                                        
157: R140        Employee Benefit Plans (Accumulated Benefit         HTML     65K  
                Obligation, and Pension Plans with Benefit                       
                Obligations in Excess of the Fair Value of Plan                  
                Assets) (Details)                                                
158: R141        Employee Benefit Plans (Assumptions) (Details)      HTML     76K  
159: R142        Employee Benefit Plans (Fair Value of Plan Assets)  HTML    135K  
                (Details)                                                        
160: R143        Employee Benefit Plans (Rollforward of Level 3      HTML     64K  
                Plan Assets) (Details)                                           
161: R144        Employee Benefit Plans (Expected Future Benefit     HTML     71K  
                Payments) (Details)                                              
162: R145        Employee Benefit Plans (401(k) and Defined          HTML     67K  
                Contribution Pension Plans) (Details)                            
163: R146        Income Taxes (Provision for (Benefit from) Income   HTML    126K  
                Taxes) (Details)                                                 
164: R147        Income Taxes (Effective Income Tax Rate) (Details)  HTML     92K  
165: R148        Income Taxes (Deferred Tax Assets and Liabilities)  HTML     84K  
                (Details)                                                        
166: R149        Income Taxes (Unrecognized Tax Benefits) (Details)  HTML     76K  
167: R150        Income Taxes (Earliest Tax Year Subject to          HTML     63K  
                Examination in Major Tax Jurisdictions) (Details)                
168: R151        Segment, Geographic and Revenue Information         HTML    197K  
                (Selected Financial Information by Business                      
                Segment) (Details)                                               
169: R152        Segment, Geographic and Revenue Information (Net    HTML     80K  
                Discrete Tax Provision (Benefit) by Segment)                     
                (Details)                                                        
170: R153        Segment, Geographic and Revenue Information         HTML     62K  
                (Assets by Business Segment) (Details)                           
171: R154        Segment, Geographic and Revenue Information         HTML     58K  
                (Additional Information - Investment Management)                 
                (Details)                                                        
172: R155        Segment, Geographic and Revenue Information (Net    HTML     67K  
                Revenues by Region) (Details)                                    
173: R156        Segment, Geographic and Revenue Information         HTML     64K  
                (Income by Region) (Details)                                     
174: R157        Segment, Geographic and Revenue Information (Total  HTML     61K  
                Assets by Region) (Details)                                      
175: R158        Segment, Geographic and Revenue Information         HTML     68K  
                (Trading Revenues by Product Type) (Details)                     
176: R159        Segment, Geographic and Revenue Information         HTML     88K  
                (Change in Revenue) (Details)                                    
177: R160        Segment, Geographic and Revenue Information         HTML     56K  
                (Receivables from Contracts with Customers)                      
                (Details)                                                        
178: R161        Parent Company (Condensed Income Statements and     HTML    132K  
                Comprehensive Income Statements) (Details)                       
179: R162        Parent Company (Condensed Balance Sheets)           HTML    171K  
                (Details)                                                        
180: R163        Parent Company (Condensed Cash Flow Statements)     HTML    163K  
                (Details)                                                        
181: R164        Parent Company (Long-Term Borrowings) (Details)     HTML     65K  
182: R165        Parent Company (Guarantees) (Details)               HTML     60K  
183: R166        Quarterly Results (Unaudited) (Details)             HTML    130K  
184: R167        Quarterly Results (Unaudited) (Subnote) (Details)   HTML     63K  
185: R168        Quarterly Results (Change in Revenue) (Details)     HTML     63K  
187: XML         IDEA XML File -- Filing Summary                      XML    384K  
186: EXCEL       IDEA Workbook of Financial Reports                  XLSX    321K  
12: EX-101.INS  XBRL Instance -- ms-20181231                         XML  20.23M 
14: EX-101.CAL  XBRL Calculations -- ms-20181231_cal                 XML    652K 
15: EX-101.DEF  XBRL Definitions -- ms-20181231_def                  XML   3.52M 
16: EX-101.LAB  XBRL Labels -- ms-20181231_lab                       XML   6.42M 
17: EX-101.PRE  XBRL Presentations -- ms-20181231_pre                XML   4.73M 
13: EX-101.SCH  XBRL Schema -- ms-20181231                           XSD    678K 
188: ZIP         XBRL Zipped Folder -- 0001193125-19-051943-xbrl      Zip   1.19M  


‘XML’   —   IDEA XML File — Filing Summary


This Document is an IDEA XML File.


                                                                                                                                                                                
<?xml version="1.0" encoding="windows-1252"?>
<FilingSummary>
<Version> 3.10.0.1 </Version>
<ProcessingTime/>
<ReportFormat> html </ReportFormat>
<ContextCount> 1605 </ContextCount>
<ElementCount> 945 </ElementCount>
<EntityCount> 1 </EntityCount>
<FootnotesReported> true </FootnotesReported>
<SegmentCount> 326 </SegmentCount>
<ScenarioCount> 0 </ScenarioCount>
<TuplesReported> false </TuplesReported>
<UnitCount> 6 </UnitCount>
<MyReports>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R1.htm </HtmlFileName>
<LongName> 000090 - Document - Document and Entity Information </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/DocumentDocumentAndEntityInformation </Role>
<ShortName> Document and Entity Information </ShortName>
<MenuCategory> Cover </MenuCategory>
<Position> 1 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R2.htm </HtmlFileName>
<LongName> 000100 - Statement - Consolidated Income Statements </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/ConsolidatedIncomeStatements </Role>
<ShortName> Consolidated Income Statements </ShortName>
<MenuCategory> Statements </MenuCategory>
<Position> 2 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R3.htm </HtmlFileName>
<LongName> 000200 - Statement - Consolidated Comprehensive Income Statements </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/ConsolidatedComprehensiveIncomeStatements </Role>
<ShortName> Consolidated Comprehensive Income Statements </ShortName>
<MenuCategory> Statements </MenuCategory>
<Position> 3 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R4.htm </HtmlFileName>
<LongName> 000300 - Statement - Consolidated Balance Sheets </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/ConsolidatedBalanceSheets </Role>
<ShortName> Consolidated Balance Sheets </ShortName>
<MenuCategory> Statements </MenuCategory>
<Position> 4 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R5.htm </HtmlFileName>
<LongName> 000305 - Statement - Consolidated Balance Sheets (Parenthetical) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/ConsolidatedBalanceSheetsParenthetical </Role>
<ShortName> Consolidated Balance Sheets (Parenthetical) </ShortName>
<MenuCategory> Statements </MenuCategory>
<Position> 5 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R6.htm </HtmlFileName>
<LongName> 000400 - Statement - Consolidated Statements of Changes in Total Equity </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/ConsolidatedStatementsOfChangesInTotalEquity </Role>
<ShortName> Consolidated Statements of Changes in Total Equity </ShortName>
<MenuCategory> Statements </MenuCategory>
<Position> 6 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R7.htm </HtmlFileName>
<LongName> 000405 - Statement - Consolidated Statements of Changes in Total Equity (Parenthetical) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/ConsolidatedStatementsOfChangesInTotalEquityParenthetical </Role>
<ShortName> Consolidated Statements of Changes in Total Equity (Parenthetical) </ShortName>
<MenuCategory> Statements </MenuCategory>
<Position> 7 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R8.htm </HtmlFileName>
<LongName> 000500 - Statement - Consolidated Cash Flow Statements </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/ConsolidatedCashFlowStatements </Role>
<ShortName> Consolidated Cash Flow Statements </ShortName>
<MenuCategory> Statements </MenuCategory>
<Position> 8 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R9.htm </HtmlFileName>
<LongName> 100100 - Disclosure - Introduction and Basis of Presentation </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/DisclosureIntroductionAndBasisOfPresentation </Role>
<ShortName> Introduction and Basis of Presentation </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 9 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R10.htm </HtmlFileName>
<LongName> 100200 - Disclosure - Significant Accounting Policies </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/DisclosureSignificantAccountingPolicies </Role>
<ShortName> Significant Accounting Policies </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 10 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R11.htm </HtmlFileName>
<LongName> 100300 - Disclosure - Fair Value Disclosures </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/FairValueDisclosures </Role>
<ShortName> Fair Value Disclosures </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 11 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R12.htm </HtmlFileName>
<LongName> 100400 - Disclosure - Derivative Instruments and Hedging Activities </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/DerivativeInstrumentsAndHedgingActivities </Role>
<ShortName> Derivative Instruments and Hedging Activities </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 12 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R13.htm </HtmlFileName>
<LongName> 100500 - Disclosure - Investment Securities </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/InvestmentSecurities </Role>
<ShortName> Investment Securities </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 13 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R14.htm </HtmlFileName>
<LongName> 100600 - Disclosure - Collateralized Transactions </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/DisclosureCollateralizedTransactions </Role>
<ShortName> Collateralized Transactions </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 14 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R15.htm </HtmlFileName>
<LongName> 100700 - Disclosure - Loans, Lending Commitments and Allowance for Credit Losses </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/LoansLendingCommitmentsAndAllowanceForCreditLosses </Role>
<ShortName> Loans, Lending Commitments and Allowance for Credit Losses </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 15 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R16.htm </HtmlFileName>
<LongName> 100800 - Disclosure - Equity Method Investments </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/EquityMethodInvestments </Role>
<ShortName> Equity Method Investments </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 16 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R17.htm </HtmlFileName>
<LongName> 100900 - Disclosure - Goodwill and Intangible Assets </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/GoodwillAndIntangibleAssets </Role>
<ShortName> Goodwill and Intangible Assets </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 17 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R18.htm </HtmlFileName>
<LongName> 101000 - Disclosure - Deposits </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/Deposits </Role>
<ShortName> Deposits </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 18 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R19.htm </HtmlFileName>
<LongName> 101100 - Disclosure - Borrowings and Other Secured Financings </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/BorrowingsAndOtherSecuredFinancings </Role>
<ShortName> Borrowings and Other Secured Financings </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 19 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R20.htm </HtmlFileName>
<LongName> 101200 - Disclosure - Commitments, Guarantees and Contingencies </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/CommitmentsGuaranteesAndContingencies </Role>
<ShortName> Commitments, Guarantees and Contingencies </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 20 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R21.htm </HtmlFileName>
<LongName> 101300 - Disclosure - Variable Interest Entities and Securitization Activities </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/VariableInterestEntitiesAndSecuritizationActivities </Role>
<ShortName> Variable Interest Entities and Securitization Activities </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 21 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R22.htm </HtmlFileName>
<LongName> 101400 - Disclosure - Regulatory Requirements </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/RegulatoryRequirements </Role>
<ShortName> Regulatory Requirements </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 22 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R23.htm </HtmlFileName>
<LongName> 101500 - Disclosure - Total Equity </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/TotalEquity </Role>
<ShortName> Total Equity </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 23 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R24.htm </HtmlFileName>
<LongName> 101600 - Disclosure - Earnings per Common Share </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/EarningsPerCommonShare </Role>
<ShortName> Earnings per Common Share </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 24 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R25.htm </HtmlFileName>
<LongName> 101700 - Disclosure - Interest Income and Interest Expense </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/InterestIncomeAndInterestExpense </Role>
<ShortName> Interest Income and Interest Expense </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 25 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R26.htm </HtmlFileName>
<LongName> 101800 - Disclosure - Deferred Compensation Plans </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/DeferredCompensationPlans </Role>
<ShortName> Deferred Compensation Plans </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 26 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R27.htm </HtmlFileName>
<LongName> 101900 - Disclosure - Employee Benefit Plans </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/EmployeeBenefitPlans </Role>
<ShortName> Employee Benefit Plans </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 27 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R28.htm </HtmlFileName>
<LongName> 102000 - Disclosure - Income Taxes </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/IncomeTaxes </Role>
<ShortName> Income Taxes </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 28 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R29.htm </HtmlFileName>
<LongName> 102100 - Disclosure - Segment, Geographic and Revenue Information </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/SegmentGeographicAndRevenueInformation </Role>
<ShortName> Segment, Geographic and Revenue Information </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 29 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R30.htm </HtmlFileName>
<LongName> 102200 - Disclosure - Parent Company </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/ParentCompany </Role>
<ShortName> Parent Company </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 30 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R31.htm </HtmlFileName>
<LongName> 102300 - Disclosure - Quarterly Results </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/QuarterlyResults </Role>
<ShortName> Quarterly Results </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 31 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R32.htm </HtmlFileName>
<LongName> 102400 - Disclosure - Subsequent Events </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/SubsequentEvents </Role>
<ShortName> Subsequent Events </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 32 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R33.htm </HtmlFileName>
<LongName> 200200 - Disclosure - Significant Accounting Policies (Policy) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/DisclosureSignificantAccountingPoliciesPolicy </Role>
<ShortName> Significant Accounting Policies (Policy) </ShortName>
<MenuCategory> Policies </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/DisclosureSignificantAccountingPolicies </ParentRole>
<Position> 33 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R34.htm </HtmlFileName>
<LongName> 300200 - Disclosure - Significant Accounting Policies (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/SignificantAccountingPoliciesTables </Role>
<ShortName> Significant Accounting Policies (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/DisclosureSignificantAccountingPolicies </ParentRole>
<Position> 34 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R35.htm </HtmlFileName>
<LongName> 300300 - Disclosure - Fair Value Disclosures (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/FairValueDisclosuresTables </Role>
<ShortName> Fair Value Disclosures (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/FairValueDisclosures </ParentRole>
<Position> 35 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R36.htm </HtmlFileName>
<LongName> 300400 - Disclosure - Derivative Instruments and Hedging Activities (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/DerivativeInstrumentsAndHedgingActivitiesTables </Role>
<ShortName> Derivative Instruments and Hedging Activities (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/DerivativeInstrumentsAndHedgingActivities </ParentRole>
<Position> 36 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R37.htm </HtmlFileName>
<LongName> 300500 - Disclosure - Investment Securities (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/InvestmentSecuritiesTables </Role>
<ShortName> Investment Securities (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/InvestmentSecurities </ParentRole>
<Position> 37 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R38.htm </HtmlFileName>
<LongName> 300600 - Disclosure - Collateralized Transactions (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/DisclosureCollateralizedTransactionsTables </Role>
<ShortName> Collateralized Transactions (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/DisclosureCollateralizedTransactions </ParentRole>
<Position> 38 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R39.htm </HtmlFileName>
<LongName> 300700 - Disclosure - Loans, Lending Commitments and Allowance for Credit Losses (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/LoansLendingCommitmentsAndAllowanceForCreditLossesTables </Role>
<ShortName> Loans, Lending Commitments and Allowance for Credit Losses (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/LoansLendingCommitmentsAndAllowanceForCreditLosses </ParentRole>
<Position> 39 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R40.htm </HtmlFileName>
<LongName> 300800 - Disclosure - Equity Method Investments (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/EquityMethodInvestmentsTables </Role>
<ShortName> Equity Method Investments (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/EquityMethodInvestments </ParentRole>
<Position> 40 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R41.htm </HtmlFileName>
<LongName> 300900 - Disclosure - Goodwill and Intangible Assets (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/GoodwillAndIntangibleAssetsTables </Role>
<ShortName> Goodwill and Intangible Assets (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/GoodwillAndIntangibleAssets </ParentRole>
<Position> 41 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R42.htm </HtmlFileName>
<LongName> 301000 - Disclosure - Deposits (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/DepositsTables </Role>
<ShortName> Deposits (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/Deposits </ParentRole>
<Position> 42 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R43.htm </HtmlFileName>
<LongName> 301100 - Disclosure - Borrowings and Other Secured Financings (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/BorrowingsAndOtherSecuredFinancingsTables </Role>
<ShortName> Borrowings and Other Secured Financings (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/BorrowingsAndOtherSecuredFinancings </ParentRole>
<Position> 43 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R44.htm </HtmlFileName>
<LongName> 301200 - Disclosure - Commitments, Guarantees and Contingencies (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/CommitmentsGuaranteesAndContingenciesTables </Role>
<ShortName> Commitments, Guarantees and Contingencies (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/CommitmentsGuaranteesAndContingencies </ParentRole>
<Position> 44 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R45.htm </HtmlFileName>
<LongName> 301300 - Disclosure - Variable Interest Entities and Securitization Activities (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/VariableInterestEntitiesAndSecuritizationActivitiesTables </Role>
<ShortName> Variable Interest Entities and Securitization Activities (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/VariableInterestEntitiesAndSecuritizationActivities </ParentRole>
<Position> 45 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R46.htm </HtmlFileName>
<LongName> 301400 - Disclosure - Regulatory Requirements (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/RegulatoryRequirementsTables </Role>
<ShortName> Regulatory Requirements (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/RegulatoryRequirements </ParentRole>
<Position> 46 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R47.htm </HtmlFileName>
<LongName> 301500 - Disclosure - Total Equity (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/TotalEquityTables </Role>
<ShortName> Total Equity (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/TotalEquity </ParentRole>
<Position> 47 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R48.htm </HtmlFileName>
<LongName> 301600 - Disclosure - Earnings per Common Share (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/EarningsPerCommonShareTables </Role>
<ShortName> Earnings per Common Share (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/EarningsPerCommonShare </ParentRole>
<Position> 48 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R49.htm </HtmlFileName>
<LongName> 301700 - Disclosure - Interest Income and Interest Expense (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/InterestIncomeAndInterestExpenseTables </Role>
<ShortName> Interest Income and Interest Expense (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/InterestIncomeAndInterestExpense </ParentRole>
<Position> 49 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R50.htm </HtmlFileName>
<LongName> 301800 - Disclosure - Deferred Compensation Plans (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/DeferredCompensationPlansTables </Role>
<ShortName> Deferred Compensation Plans (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/DeferredCompensationPlans </ParentRole>
<Position> 50 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R51.htm </HtmlFileName>
<LongName> 301900 - Disclosure - Employee Benefit Plans (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/EmployeeBenefitPlansTables </Role>
<ShortName> Employee Benefit Plans (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/EmployeeBenefitPlans </ParentRole>
<Position> 51 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R52.htm </HtmlFileName>
<LongName> 302000 - Disclosure - Income Taxes (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/IncomeTaxesTables </Role>
<ShortName> Income Taxes (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/IncomeTaxes </ParentRole>
<Position> 52 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R53.htm </HtmlFileName>
<LongName> 302100 - Disclosure - Segment, Geographic and Revenue Information (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/SegmentGeographicAndRevenueInformationTables </Role>
<ShortName> Segment, Geographic and Revenue Information (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/SegmentGeographicAndRevenueInformation </ParentRole>
<Position> 53 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R54.htm </HtmlFileName>
<LongName> 302200 - Disclosure - Parent Company (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/ParentCompanyTables </Role>
<ShortName> Parent Company (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/ParentCompany </ParentRole>
<Position> 54 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R55.htm </HtmlFileName>
<LongName> 302300 - Disclosure - Quarterly Results (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/QuarterlyResultsTables </Role>
<ShortName> Quarterly Results (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/QuarterlyResults </ParentRole>
<Position> 55 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R56.htm </HtmlFileName>
<LongName> 400200 - Disclosure - Significant Accounting Policies (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/DisclosureSignificantAccountingPoliciesDetails </Role>
<ShortName> Significant Accounting Policies (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/SignificantAccountingPoliciesTables </ParentRole>
<Position> 56 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R57.htm </HtmlFileName>
<LongName> 400310 - Disclosure - Fair Value Disclosures (Assets and Liabilities Measured at Fair Value on a Recurring Basis) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/FairValueDisclosuresAssetsAndLiabilitiesMeasuredAtFairValueOnARecurringBasisDetails </Role>
<ShortName> Fair Value Disclosures (Assets and Liabilities Measured at Fair Value on a Recurring Basis) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/FairValueDisclosuresTables </ParentRole>
<Position> 57 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R58.htm </HtmlFileName>
<LongName> 400340 - Disclosure - Fair Value Disclosures (Rollforward of Level 3 Assets and Liabilities Measured at Fair Value on a Recurring Basis) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/FairValueDisclosuresRollforwardOfLevel3AssetsAndLiabilitiesMeasuredAtFairValueOnARecurringBasisDetails </Role>
<ShortName> Fair Value Disclosures (Rollforward of Level 3 Assets and Liabilities Measured at Fair Value on a Recurring Basis) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/FairValueDisclosuresTables </ParentRole>
<Position> 58 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R59.htm </HtmlFileName>
<LongName> 400350 - Disclosure - Fair Value Disclosures (Valuation Techniques and Sensitivity of Unobservable Inputs Used in Level 3 Fair Value Measurements) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/FairValueDisclosuresValuationTechniquesAndSensitivityOfUnobservableInputsUsedInLevel3FairValueMeasurementsDetails </Role>
<ShortName> Fair Value Disclosures (Valuation Techniques and Sensitivity of Unobservable Inputs Used in Level 3 Fair Value Measurements) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/FairValueDisclosuresTables </ParentRole>
<Position> 59 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R60.htm </HtmlFileName>
<LongName> 400360 - Disclosure - Fair Value Disclosures (Fund Interests Measured Based on Net Asset Value) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/FairValueDisclosuresFundInterestsMeasuredBasedOnNetAssetValueDetails </Role>
<ShortName> Fair Value Disclosures (Fund Interests Measured Based on Net Asset Value) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/FairValueDisclosuresTables </ParentRole>
<Position> 60 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R61.htm </HtmlFileName>
<LongName> 400370 - Disclosure - Fair Value Disclosures (Borrowings Measured at Fair Value on a Recurring Basis) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/FairValueDisclosuresBorrowingsMeasuredAtFairValueOnARecurringBasisDetails </Role>
<ShortName> Fair Value Disclosures (Borrowings Measured at Fair Value on a Recurring Basis) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/FairValueDisclosuresTables </ParentRole>
<Position> 61 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R62.htm </HtmlFileName>
<LongName> 400372 - Disclosure - Fair Value Disclosures (Earnings Impact of Borrowings under the Fair Value Option) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/FairValueDisclosuresEarningsImpactOfBorrowingsUnderTheFairValueOptionDetails </Role>
<ShortName> Fair Value Disclosures (Earnings Impact of Borrowings under the Fair Value Option) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/FairValueDisclosuresTables </ParentRole>
<Position> 62 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R63.htm </HtmlFileName>
<LongName> 400374 - Disclosure - Fair Value Disclosures (Gains (Losses) Due to Changes in Instrument-Specific Credit Risk) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/FairValueDisclosuresGainsLossesDueToChangesInInstrumentSpecificCreditRiskDetails </Role>
<ShortName> Fair Value Disclosures (Gains (Losses) Due to Changes in Instrument-Specific Credit Risk) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/FairValueDisclosuresTables </ParentRole>
<Position> 63 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R64.htm </HtmlFileName>
<LongName> 400376 - Disclosure - Fair Value Disclosures (Excess of Contractual Principal Amount Over Fair Value) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/FairValueDisclosuresExcessOfContractualPrincipalAmountOverFairValueDetails </Role>
<ShortName> Fair Value Disclosures (Excess of Contractual Principal Amount Over Fair Value) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/FairValueDisclosuresTables </ParentRole>
<Position> 64 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R65.htm </HtmlFileName>
<LongName> 400378 - Disclosure - Fair Value Disclosures (Fair Value Loans on Nonaccrual Status) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/FairValueDisclosuresFairValueLoansOnNonaccrualStatusDetails </Role>
<ShortName> Fair Value Disclosures (Fair Value Loans on Nonaccrual Status) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/FairValueDisclosuresTables </ParentRole>
<Position> 65 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R66.htm </HtmlFileName>
<LongName> 400380 - Disclosure - Fair Value Disclosures (Assets and Liabilities Measured at Fair Value on a Nonrecurring Basis) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/FairValueDisclosuresAssetsAndLiabilitiesMeasuredAtFairValueOnANonrecurringBasisDetails </Role>
<ShortName> Fair Value Disclosures (Assets and Liabilities Measured at Fair Value on a Nonrecurring Basis) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/FairValueDisclosuresTables </ParentRole>
<Position> 66 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R67.htm </HtmlFileName>
<LongName> 400390 - Disclosure - Fair Value Disclosures (Financial Instruments Not Measured at Fair Value) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/FairValueDisclosuresFinancialInstrumentsNotMeasuredAtFairValueDetails </Role>
<ShortName> Fair Value Disclosures (Financial Instruments Not Measured at Fair Value) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/FairValueDisclosuresTables </ParentRole>
<Position> 67 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R68.htm </HtmlFileName>
<LongName> 400410 - Disclosure - Derivative Instruments and Hedging Activities (Derivative Fair Values) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/DerivativeInstrumentsAndHedgingActivitiesDerivativeFairValuesDetails </Role>
<ShortName> Derivative Instruments and Hedging Activities (Derivative Fair Values) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/DerivativeInstrumentsAndHedgingActivitiesTables </ParentRole>
<Position> 68 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R69.htm </HtmlFileName>
<LongName> 400420 - Disclosure - Derivative Instruments and Hedging Activities (Derivative Notionals) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/DerivativeInstrumentsAndHedgingActivitiesDerivativeNotionalsDetails </Role>
<ShortName> Derivative Instruments and Hedging Activities (Derivative Notionals) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/DerivativeInstrumentsAndHedgingActivitiesTables </ParentRole>
<Position> 69 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R70.htm </HtmlFileName>
<LongName> 400430 - Disclosure - Derivative Instruments and Hedging Activities (Gains (Losses) on Accounting Hedges and Fair Value Hedges) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/DerivativeInstrumentsAndHedgingActivitiesGainsLossesOnAccountingHedgesAndFairValueHedgesDetails </Role>
<ShortName> Derivative Instruments and Hedging Activities (Gains (Losses) on Accounting Hedges and Fair Value Hedges) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/DerivativeInstrumentsAndHedgingActivitiesTables </ParentRole>
<Position> 70 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R71.htm </HtmlFileName>
<LongName> 400440 - Disclosure - Derivative Instruments and Hedging Activities (Credit Risk-Related Contingencies) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/DerivativeInstrumentsAndHedgingActivitiesCreditRiskRelatedContingenciesDetails </Role>
<ShortName> Derivative Instruments and Hedging Activities (Credit Risk-Related Contingencies) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/DerivativeInstrumentsAndHedgingActivitiesTables </ParentRole>
<Position> 71 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R72.htm </HtmlFileName>
<LongName> 400450 - Disclosure - Derivative Instruments and Hedging Activities (Maximum Potential Payout/Notional of Credit Protection Sold) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/DerivativeInstrumentsAndHedgingActivitiesMaximumPotentialPayoutNotionalOfCreditProtectionSoldDetails </Role>
<ShortName> Derivative Instruments and Hedging Activities (Maximum Potential Payout/Notional of Credit Protection Sold) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/DerivativeInstrumentsAndHedgingActivitiesTables </ParentRole>
<Position> 72 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R73.htm </HtmlFileName>
<LongName> 400460 - Disclosure - Derivative Instruments and Hedging Activities (Fair Value (Asset)/Liability of Credit Protection Sold) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/DerivativeInstrumentsAndHedgingActivitiesFairValueAssetLiabilityOfCreditProtectionSoldDetails </Role>
<ShortName> Derivative Instruments and Hedging Activities (Fair Value (Asset)/Liability of Credit Protection Sold) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/DerivativeInstrumentsAndHedgingActivitiesTables </ParentRole>
<Position> 73 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R74.htm </HtmlFileName>
<LongName> 400470 - Disclosure - Derivative Instruments and Hedging Activities (Protection Purchased with CDS) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/DerivativeInstrumentsAndHedgingActivitiesProtectionPurchasedWithCDSDetails </Role>
<ShortName> Derivative Instruments and Hedging Activities (Protection Purchased with CDS) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/DerivativeInstrumentsAndHedgingActivitiesTables </ParentRole>
<Position> 74 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R75.htm </HtmlFileName>
<LongName> 400510 - Disclosure - Investment Securities (AFS and HTM Securities) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/InvestmentSecuritiesAFSAndHTMSecuritiesDetails </Role>
<ShortName> Investment Securities (AFS and HTM Securities) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/InvestmentSecuritiesTables </ParentRole>
<Position> 75 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R76.htm </HtmlFileName>
<LongName> 400520 - Disclosure - Investment Securities (Investment Securities in an Unrealized Loss Position) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/InvestmentSecuritiesInvestmentSecuritiesInAnUnrealizedLossPositionDetails </Role>
<ShortName> Investment Securities (Investment Securities in an Unrealized Loss Position) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/InvestmentSecuritiesTables </ParentRole>
<Position> 76 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R77.htm </HtmlFileName>
<LongName> 400530 - Disclosure - Investment Securities (Investment Securities by Contractual Maturity) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/InvestmentSecuritiesInvestmentSecuritiesByContractualMaturityDetails </Role>
<ShortName> Investment Securities (Investment Securities by Contractual Maturity) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/InvestmentSecuritiesTables </ParentRole>
<Position> 77 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R78.htm </HtmlFileName>
<LongName> 400540 - Disclosure - Investment Securities (Gross Realized Gains and Losses on Sales of AFS Securities) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/InvestmentSecuritiesGrossRealizedGainsAndLossesOnSalesOfAFSSecuritiesDetails </Role>
<ShortName> Investment Securities (Gross Realized Gains and Losses on Sales of AFS Securities) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/InvestmentSecuritiesTables </ParentRole>
<Position> 78 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R79.htm </HtmlFileName>
<LongName> 400610 - Disclosure - Collateralized Transactions (Offsetting of Certain Collateralized Transactions) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/CollateralizedTransactionsOffsettingOfCertainCollateralizedTransactionsDetails </Role>
<ShortName> Collateralized Transactions (Offsetting of Certain Collateralized Transactions) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/DisclosureCollateralizedTransactionsTables </ParentRole>
<Position> 79 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R80.htm </HtmlFileName>
<LongName> 400620 - Disclosure - Collateralized Transactions (Gross Secured Financing Balances) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/CollateralizedTransactionsGrossSecuredFinancingBalancesDetails </Role>
<ShortName> Collateralized Transactions (Gross Secured Financing Balances) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/DisclosureCollateralizedTransactionsTables </ParentRole>
<Position> 80 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R81.htm </HtmlFileName>
<LongName> 400630 - Disclosure - Collateralized Transactions (Assets Loaned or Pledged) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/CollateralizedTransactionsAssetsLoanedOrPledgedDetails </Role>
<ShortName> Collateralized Transactions (Assets Loaned or Pledged) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/DisclosureCollateralizedTransactionsTables </ParentRole>
<Position> 81 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R82.htm </HtmlFileName>
<LongName> 400640 - Disclosure - Collateralized Transactions (Collateral Received) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/CollateralizedTransactionsCollateralReceivedDetails </Role>
<ShortName> Collateralized Transactions (Collateral Received) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/DisclosureCollateralizedTransactionsTables </ParentRole>
<Position> 82 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R83.htm </HtmlFileName>
<LongName> 400650 - Disclosure - Collateralized Transactions (Restricted Cash and Segregated Securities) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/CollateralizedTransactionsRestrictedCashAndSegregatedSecuritiesDetails </Role>
<ShortName> Collateralized Transactions (Restricted Cash and Segregated Securities) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/DisclosureCollateralizedTransactionsTables </ParentRole>
<Position> 83 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R84.htm </HtmlFileName>
<LongName> 400660 - Disclosure - Collateralized Transactions (Concentration Risk) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/CollateralizedTransactionsConcentrationRiskDetails </Role>
<ShortName> Collateralized Transactions (Concentration Risk) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/DisclosureCollateralizedTransactionsTables </ParentRole>
<Position> 84 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R85.htm </HtmlFileName>
<LongName> 400670 - Disclosure - Collateralized Transactions (Customer Margin Lending) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/CollateralizedTransactionsCustomerMarginLendingDetails </Role>
<ShortName> Collateralized Transactions (Customer Margin Lending) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/DisclosureCollateralizedTransactionsTables </ParentRole>
<Position> 85 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R86.htm </HtmlFileName>
<LongName> 400710 - Disclosure - Loans, Lending Commitments and Allowance for Credit Losses (Loans by Type) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/LoansLendingCommitmentsAndAllowanceForCreditLossesLoansByTypeDetails </Role>
<ShortName> Loans, Lending Commitments and Allowance for Credit Losses (Loans by Type) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/LoansLendingCommitmentsAndAllowanceForCreditLossesTables </ParentRole>
<Position> 86 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R87.htm </HtmlFileName>
<LongName> 400720 - Disclosure - Loans, Lending Commitments and Allowance for Credit Losses (Impaired Loans and Lending Commitments) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/LoansLendingCommitmentsAndAllowanceForCreditLossesImpairedLoansAndLendingCommitmentsDetails </Role>
<ShortName> Loans, Lending Commitments and Allowance for Credit Losses (Impaired Loans and Lending Commitments) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/LoansLendingCommitmentsAndAllowanceForCreditLossesTables </ParentRole>
<Position> 87 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R88.htm </HtmlFileName>
<LongName> 400730 - Disclosure - Loans, Lending Commitments and Allowance for Credit Losses (TDR) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/LoansLendingCommitmentsAndAllowanceForCreditLossesTDRDetails </Role>
<ShortName> Loans, Lending Commitments and Allowance for Credit Losses (TDR) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/LoansLendingCommitmentsAndAllowanceForCreditLossesTables </ParentRole>
<Position> 88 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R89.htm </HtmlFileName>
<LongName> 400740 - Disclosure - Loans, Lending Commitments and Allowance for Credit Losses (Allowance for Loan Losses and Lending Commitments Rollforward) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/LoansLendingCommitmentsAndAllowanceForCreditLossesAllowanceForLoanLossesAndLendingCommitmentsRollforwardDetails </Role>
<ShortName> Loans, Lending Commitments and Allowance for Credit Losses (Allowance for Loan Losses and Lending Commitments Rollforward) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/LoansLendingCommitmentsAndAllowanceForCreditLossesTables </ParentRole>
<Position> 89 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R90.htm </HtmlFileName>
<LongName> 400750 - Disclosure - Loans, Lending Commitments and Allowance for Credit Losses (Employee Loans) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/LoansLendingCommitmentsAndAllowanceForCreditLossesEmployeeLoansDetails </Role>
<ShortName> Loans, Lending Commitments and Allowance for Credit Losses (Employee Loans) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/LoansLendingCommitmentsAndAllowanceForCreditLossesTables </ParentRole>
<Position> 90 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R91.htm </HtmlFileName>
<LongName> 400800 - Disclosure - Equity Method Investments (Equity Method Investment Balances) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/EquityMethodInvestmentsEquityMethodInvestmentBalancesDetails </Role>
<ShortName> Equity Method Investments (Equity Method Investment Balances) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/EquityMethodInvestmentsTables </ParentRole>
<Position> 91 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R92.htm </HtmlFileName>
<LongName> 400810 - Disclosure - Equity Method Investments (Investees) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/EquityMethodInvestmentsInvesteesDetails </Role>
<ShortName> Equity Method Investments (Investees) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/EquityMethodInvestmentsTables </ParentRole>
<Position> 92 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R93.htm </HtmlFileName>
<LongName> 400910 - Disclosure - Goodwill and Intangible Assets (Goodwill Rollforward) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/GoodwillAndIntangibleAssetsGoodwillRollforwardDetails </Role>
<ShortName> Goodwill and Intangible Assets (Goodwill Rollforward) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/GoodwillAndIntangibleAssetsTables </ParentRole>
<Position> 93 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R94.htm </HtmlFileName>
<LongName> 400920 - Disclosure - Goodwill and Intangible Assets (Intangible Assets by Business Segment) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/GoodwillAndIntangibleAssetsIntangibleAssetsByBusinessSegmentDetails </Role>
<ShortName> Goodwill and Intangible Assets (Intangible Assets by Business Segment) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/GoodwillAndIntangibleAssetsTables </ParentRole>
<Position> 94 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R95.htm </HtmlFileName>
<LongName> 400930 - Disclosure - Goodwill and Intangible Assets (Gross Amortizable Intangible Assets by Type) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/GoodwillAndIntangibleAssetsGrossAmortizableIntangibleAssetsByTypeDetails </Role>
<ShortName> Goodwill and Intangible Assets (Gross Amortizable Intangible Assets by Type) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/GoodwillAndIntangibleAssetsTables </ParentRole>
<Position> 95 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R96.htm </HtmlFileName>
<LongName> 400940 - Disclosure - Goodwill and Intangible Assets (Net Amortizable Intangible Assets Rollforward) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/GoodwillAndIntangibleAssetsNetAmortizableIntangibleAssetsRollforwardDetails </Role>
<ShortName> Goodwill and Intangible Assets (Net Amortizable Intangible Assets Rollforward) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/GoodwillAndIntangibleAssetsTables </ParentRole>
<Position> 96 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R97.htm </HtmlFileName>
<LongName> 401000 - Disclosure - Deposits (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/DepositsDetails </Role>
<ShortName> Deposits (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/DepositsTables </ParentRole>
<Position> 97 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R98.htm </HtmlFileName>
<LongName> 401110 - Disclosure - Borrowings and Other Secured Financings (Maturities and Terms of Borrowings) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/BorrowingsAndOtherSecuredFinancingsMaturitiesAndTermsOfBorrowingsDetails </Role>
<ShortName> Borrowings and Other Secured Financings (Maturities and Terms of Borrowings) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/BorrowingsAndOtherSecuredFinancingsTables </ParentRole>
<Position> 98 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R99.htm </HtmlFileName>
<LongName> 401120 - Disclosure - Borrowings and Other Secured Financings (Long-Term Borrowings) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/BorrowingsAndOtherSecuredFinancingsLongTermBorrowingsDetails </Role>
<ShortName> Borrowings and Other Secured Financings (Long-Term Borrowings) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/BorrowingsAndOtherSecuredFinancingsTables </ParentRole>
<Position> 99 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R100.htm </HtmlFileName>
<LongName> 401130 - Disclosure - Borrowings and Other Secured Financings (Rates for Long-Term Borrowings) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/BorrowingsAndOtherSecuredFinancingsRatesForLongTermBorrowingsDetails </Role>
<ShortName> Borrowings and Other Secured Financings (Rates for Long-Term Borrowings) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/BorrowingsAndOtherSecuredFinancingsTables </ParentRole>
<Position> 100 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R101.htm </HtmlFileName>
<LongName> 401140 - Disclosure - Borrowings and Other Secured Financings (Other Secured Financings) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/BorrowingsAndOtherSecuredFinancingsOtherSecuredFinancingsDetails </Role>
<ShortName> Borrowings and Other Secured Financings (Other Secured Financings) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/BorrowingsAndOtherSecuredFinancingsTables </ParentRole>
<Position> 101 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R102.htm </HtmlFileName>
<LongName> 401150 - Disclosure - Borrowings and Other Secured Financings (Maturities and Terms of Secured Financings) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/BorrowingsAndOtherSecuredFinancingsMaturitiesAndTermsOfSecuredFinancingsDetails </Role>
<ShortName> Borrowings and Other Secured Financings (Maturities and Terms of Secured Financings) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/BorrowingsAndOtherSecuredFinancingsTables </ParentRole>
<Position> 102 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R103.htm </HtmlFileName>
<LongName> 401160 - Disclosure - Borrowings and Other Secured Financings (Failed Sales by Maturity) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/BorrowingsAndOtherSecuredFinancingsFailedSalesByMaturityDetails </Role>
<ShortName> Borrowings and Other Secured Financings (Failed Sales by Maturity) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/BorrowingsAndOtherSecuredFinancingsTables </ParentRole>
<Position> 103 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R104.htm </HtmlFileName>
<LongName> 401210 - Disclosure - Commitments, Guarantees and Contingencies (Commitments) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/CommitmentsGuaranteesAndContingenciesCommitmentsDetails </Role>
<ShortName> Commitments, Guarantees and Contingencies (Commitments) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/CommitmentsGuaranteesAndContingenciesTables </ParentRole>
<Position> 104 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R105.htm </HtmlFileName>
<LongName> 401220 - Disclosure - Commitments, Guarantees and Contingencies (Operating Premises Leases) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/CommitmentsGuaranteesAndContingenciesOperatingPremisesLeasesDetails </Role>
<ShortName> Commitments, Guarantees and Contingencies (Operating Premises Leases) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/CommitmentsGuaranteesAndContingenciesTables </ParentRole>
<Position> 105 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R106.htm </HtmlFileName>
<LongName> 401230 - Disclosure - Commitments, Guarantees and Contingencies (Obligations under Guarantee Arrangements) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/CommitmentsGuaranteesAndContingenciesObligationsUnderGuaranteeArrangementsDetails </Role>
<ShortName> Commitments, Guarantees and Contingencies (Obligations under Guarantee Arrangements) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/CommitmentsGuaranteesAndContingenciesTables </ParentRole>
<Position> 106 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R107.htm </HtmlFileName>
<LongName> 401240 - Disclosure - Commitments, Guarantees and Contingencies (Contingencies) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/CommitmentsGuaranteesAndContingenciesContingenciesDetails </Role>
<ShortName> Commitments, Guarantees and Contingencies (Contingencies) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/CommitmentsGuaranteesAndContingenciesTables </ParentRole>
<Position> 107 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R108.htm </HtmlFileName>
<LongName> 401310 - Disclosure - Variable Interest Entities and Securitization Activities (Assets and Liabilities by Type of Activity) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/VariableInterestEntitiesAndSecuritizationActivitiesAssetsAndLiabilitiesByTypeOfActivityDetails </Role>
<ShortName> Variable Interest Entities and Securitization Activities (Assets and Liabilities by Type of Activity) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/VariableInterestEntitiesAndSecuritizationActivitiesTables </ParentRole>
<Position> 108 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R109.htm </HtmlFileName>
<LongName> 401320 - Disclosure - Variable Interest Entities and Securitization Activities (Assets and Liabilities by Balance Sheet Caption) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/VariableInterestEntitiesAndSecuritizationActivitiesAssetsAndLiabilitiesByBalanceSheetCaptionDetails </Role>
<ShortName> Variable Interest Entities and Securitization Activities (Assets and Liabilities by Balance Sheet Caption) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/VariableInterestEntitiesAndSecuritizationActivitiesTables </ParentRole>
<Position> 109 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R110.htm </HtmlFileName>
<LongName> 401330 - Disclosure - Variable Interest Entities and Securitization Activities (Non-Consolidated VIEs) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/VariableInterestEntitiesAndSecuritizationActivitiesNonConsolidatedVIEsDetails </Role>
<ShortName> Variable Interest Entities and Securitization Activities (Non-Consolidated VIEs) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/VariableInterestEntitiesAndSecuritizationActivitiesTables </ParentRole>
<Position> 110 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R111.htm </HtmlFileName>
<LongName> 401340 - Disclosure - Variable Interest Entities and Securitization Activities (Transfers of Assets with Continuing Involvement 1) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/VariableInterestEntitiesAndSecuritizationActivitiesTransfersOfAssetsWithContinuingInvolvement1Details </Role>
<ShortName> Variable Interest Entities and Securitization Activities (Transfers of Assets with Continuing Involvement 1) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/VariableInterestEntitiesAndSecuritizationActivitiesTables </ParentRole>
<Position> 111 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R112.htm </HtmlFileName>
<LongName> 401350 - Disclosure - Variable Interest Entities and Securitization Activities (Transfers of Assets with Continuing Involvement 2) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/VariableInterestEntitiesAndSecuritizationActivitiesTransfersOfAssetsWithContinuingInvolvement2Details </Role>
<ShortName> Variable Interest Entities and Securitization Activities (Transfers of Assets with Continuing Involvement 2) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/VariableInterestEntitiesAndSecuritizationActivitiesTables </ParentRole>
<Position> 112 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R113.htm </HtmlFileName>
<LongName> 401360 - Disclosure - Variable Interest Entities and Securitization Activities (Proceeds from New Securitization Transactions and Sales of Loans) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/VariableInterestEntitiesAndSecuritizationActivitiesProceedsFromNewSecuritizationTransactionsAndSalesOfLoansDetails </Role>
<ShortName> Variable Interest Entities and Securitization Activities (Proceeds from New Securitization Transactions and Sales of Loans) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/VariableInterestEntitiesAndSecuritizationActivitiesTables </ParentRole>
<Position> 113 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R114.htm </HtmlFileName>
<LongName> 401370 - Disclosure - Variable Interest Entities and Securitization Activities (Assets Sold with Retained Exposure) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/VariableInterestEntitiesAndSecuritizationActivitiesAssetsSoldWithRetainedExposureDetails </Role>
<ShortName> Variable Interest Entities and Securitization Activities (Assets Sold with Retained Exposure) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/VariableInterestEntitiesAndSecuritizationActivitiesTables </ParentRole>
<Position> 114 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R115.htm </HtmlFileName>
<LongName> 401400 - Disclosure - Regulatory Requirements (Narrative) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/RegulatoryRequirementsNarrativeDetails </Role>
<ShortName> Regulatory Requirements (Narrative) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/RegulatoryRequirementsTables </ParentRole>
<Position> 115 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R116.htm </HtmlFileName>
<LongName> 401410 - Disclosure - Regulatory Requirements (Capital Measures) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/RegulatoryRequirementsCapitalMeasuresDetails </Role>
<ShortName> Regulatory Requirements (Capital Measures) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/RegulatoryRequirementsTables </ParentRole>
<Position> 116 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R117.htm </HtmlFileName>
<LongName> 401420 - Disclosure - Regulatory Requirements (U.S. Bank Subsidiaries' Regulatory Capital and Capital Ratios) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/RegulatoryRequirementsUSBankSubsidiariesRegulatoryCapitalAndCapitalRatiosDetails </Role>
<ShortName> Regulatory Requirements (U.S. Bank Subsidiaries' Regulatory Capital and Capital Ratios) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/RegulatoryRequirementsTables </ParentRole>
<Position> 117 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R118.htm </HtmlFileName>
<LongName> 401430 - Disclosure - Regulatory Requirements (U.S. Broker-Dealer Regulatory Capital Requirements) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/RegulatoryRequirementsUSBrokerDealerRegulatoryCapitalRequirementsDetails </Role>
<ShortName> Regulatory Requirements (U.S. Broker-Dealer Regulatory Capital Requirements) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/RegulatoryRequirementsTables </ParentRole>
<Position> 118 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R119.htm </HtmlFileName>
<LongName> 401440 - Disclosure - Regulatory Requirements (Restricted Net Assets) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/RegulatoryRequirementsRestrictedNetAssetsDetails </Role>
<ShortName> Regulatory Requirements (Restricted Net Assets) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/RegulatoryRequirementsTables </ParentRole>
<Position> 119 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R120.htm </HtmlFileName>
<LongName> 401510 - Disclosure - Total Equity (Rollforward of Common Stock Outstanding) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/TotalEquityRollforwardOfCommonStockOutstandingDetails </Role>
<ShortName> Total Equity (Rollforward of Common Stock Outstanding) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/TotalEquityTables </ParentRole>
<Position> 120 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R121.htm </HtmlFileName>
<LongName> 401520 - Disclosure - Total Equity (Dividends and Share Repurchases) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/TotalEquityDividendsAndShareRepurchasesDetails </Role>
<ShortName> Total Equity (Dividends and Share Repurchases) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/TotalEquityTables </ParentRole>
<Position> 121 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R122.htm </HtmlFileName>
<LongName> 401531 - Disclosure - Total Equity (Preferred Stock Outstanding) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/TotalEquityPreferredStockOutstandingDetails </Role>
<ShortName> Total Equity (Preferred Stock Outstanding) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/TotalEquityTables </ParentRole>
<Position> 122 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R123.htm </HtmlFileName>
<LongName> 401532 - Disclosure - Total Equity (Preferred Stock Issuance Description) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/TotalEquityPreferredStockIssuanceDescriptionDetails </Role>
<ShortName> Total Equity (Preferred Stock Issuance Description) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/TotalEquityTables </ParentRole>
<Position> 123 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R124.htm </HtmlFileName>
<LongName> 401533 - Disclosure - Total Equity (Preferred Stock Dividends) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/TotalEquityPreferredStockDividendsDetails </Role>
<ShortName> Total Equity (Preferred Stock Dividends) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/TotalEquityTables </ParentRole>
<Position> 124 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R125.htm </HtmlFileName>
<LongName> 401540 - Disclosure - Total Equity (AOCI) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/TotalEquityAOCIDetails </Role>
<ShortName> Total Equity (AOCI) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/TotalEquityTables </ParentRole>
<Position> 125 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R126.htm </HtmlFileName>
<LongName> 401550 - Disclosure - Total Equity (Components of Period Changes in OCI ) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/TotalEquityComponentsOfPeriodChangesInOCIDetails </Role>
<ShortName> Total Equity (Components of Period Changes in OCI ) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/TotalEquityTables </ParentRole>
<Position> 126 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R127.htm </HtmlFileName>
<LongName> 401560 - Disclosure - Total Equity (Cumulative Adjustments to Retained Earnings) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/TotalEquityCumulativeAdjustmentsToRetainedEarningsDetails </Role>
<ShortName> Total Equity (Cumulative Adjustments to Retained Earnings) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/TotalEquityTables </ParentRole>
<Position> 127 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R128.htm </HtmlFileName>
<LongName> 401570 - Disclosure - Total Equity (Cumulative Foreign Currency Translation Adjustments) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/TotalEquityCumulativeForeignCurrencyTranslationAdjustmentsDetails </Role>
<ShortName> Total Equity (Cumulative Foreign Currency Translation Adjustments) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/TotalEquityTables </ParentRole>
<Position> 128 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R129.htm </HtmlFileName>
<LongName> 401610 - Disclosure - Earnings per Common Share (Calculation of Basic and Diluted EPS) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/EarningsPerCommonShareCalculationOfBasicAndDilutedEPSDetails </Role>
<ShortName> Earnings per Common Share (Calculation of Basic and Diluted EPS) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/EarningsPerCommonShareTables </ParentRole>
<Position> 129 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R130.htm </HtmlFileName>
<LongName> 401710 - Disclosure - Interest Income and Interest Expense (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/InterestIncomeAndInterestExpenseDetails </Role>
<ShortName> Interest Income and Interest Expense (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/InterestIncomeAndInterestExpenseTables </ParentRole>
<Position> 130 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R131.htm </HtmlFileName>
<LongName> 401810 - Disclosure - Deferred Compensation Plans (Stock-based Compensation Plans) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/DeferredCompensationPlansStockbasedCompensationPlansDetails </Role>
<ShortName> Deferred Compensation Plans (Stock-based Compensation Plans) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/DeferredCompensationPlansTables </ParentRole>
<Position> 131 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R132.htm </HtmlFileName>
<LongName> 401820 - Disclosure - Deferred Compensation Plans (Vested and Unvested RSU Activity) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/DeferredCompensationPlansVestedAndUnvestedRSUActivityDetails </Role>
<ShortName> Deferred Compensation Plans (Vested and Unvested RSU Activity) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/DeferredCompensationPlansTables </ParentRole>
<Position> 132 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R133.htm </HtmlFileName>
<LongName> 401830 - Disclosure - Deferred Compensation Plans (Unvested RSU Activity) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/DeferredCompensationPlansUnvestedRSUActivityDetails </Role>
<ShortName> Deferred Compensation Plans (Unvested RSU Activity) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/DeferredCompensationPlansTables </ParentRole>
<Position> 133 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R134.htm </HtmlFileName>
<LongName> 401850 - Disclosure - Deferred Compensation Plans (Performance-Based Stock Units) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/DeferredCompensationPlansPerformanceBasedStockUnitsDetails </Role>
<ShortName> Deferred Compensation Plans (Performance-Based Stock Units) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/DeferredCompensationPlansTables </ParentRole>
<Position> 134 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R135.htm </HtmlFileName>
<LongName> 401855 - Disclosure - Deferred Compensation Plans (Monte Carlo Simulation Assumptions) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/DeferredCompensationPlansMonteCarloSimulationAssumptionsDetails </Role>
<ShortName> Deferred Compensation Plans (Monte Carlo Simulation Assumptions) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/DeferredCompensationPlansTables </ParentRole>
<Position> 135 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R136.htm </HtmlFileName>
<LongName> 401860 - Disclosure - Deferred Compensation Plans (Deferred Cash-based Compensation Plans) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/DeferredCompensationPlansDeferredCashbasedCompensationPlansDetails </Role>
<ShortName> Deferred Compensation Plans (Deferred Cash-based Compensation Plans) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/DeferredCompensationPlansTables </ParentRole>
<Position> 136 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R137.htm </HtmlFileName>
<LongName> 401870 - Disclosure - Deferred Compensation Plans (Annual Compensation Cost for 2018 Performance Year Awards) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/DeferredCompensationPlansAnnualCompensationCostFor2018PerformanceYearAwardsDetails </Role>
<ShortName> Deferred Compensation Plans (Annual Compensation Cost for 2018 Performance Year Awards) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/DeferredCompensationPlansTables </ParentRole>
<Position> 137 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R138.htm </HtmlFileName>
<LongName> 401910 - Disclosure - Employee Benefit Plans (Net Periodic Benefit Expense (Income)) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/EmployeeBenefitPlansNetPeriodicBenefitExpenseIncomeDetails </Role>
<ShortName> Employee Benefit Plans (Net Periodic Benefit Expense (Income)) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/EmployeeBenefitPlansTables </ParentRole>
<Position> 138 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R139.htm </HtmlFileName>
<LongName> 401920 - Disclosure - Employee Benefit Plans (Rollforward of the Benefit Obligation and Fair Value of Plan Assets) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/EmployeeBenefitPlansRollforwardOfTheBenefitObligationAndFairValueOfPlanAssetsDetails </Role>
<ShortName> Employee Benefit Plans (Rollforward of the Benefit Obligation and Fair Value of Plan Assets) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/EmployeeBenefitPlansTables </ParentRole>
<Position> 139 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R140.htm </HtmlFileName>
<LongName> 401930 - Disclosure - Employee Benefit Plans (Accumulated Benefit Obligation, and Pension Plans with Benefit Obligations in Excess of the Fair Value of Plan Assets) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/EmployeeBenefitPlansAccumulatedBenefitObligationAndPensionPlansWithBenefitObligationsInExcessOfTheFairValueOfPlanAssetsDetails </Role>
<ShortName> Employee Benefit Plans (Accumulated Benefit Obligation, and Pension Plans with Benefit Obligations in Excess of the Fair Value of Plan Assets) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/EmployeeBenefitPlansTables </ParentRole>
<Position> 140 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R141.htm </HtmlFileName>
<LongName> 401940 - Disclosure - Employee Benefit Plans (Assumptions) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/EmployeeBenefitPlansAssumptionsDetails </Role>
<ShortName> Employee Benefit Plans (Assumptions) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/EmployeeBenefitPlansTables </ParentRole>
<Position> 141 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R142.htm </HtmlFileName>
<LongName> 401950 - Disclosure - Employee Benefit Plans (Fair Value of Plan Assets) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/EmployeeBenefitPlansFairValueOfPlanAssetsDetails </Role>
<ShortName> Employee Benefit Plans (Fair Value of Plan Assets) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/EmployeeBenefitPlansTables </ParentRole>
<Position> 142 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R143.htm </HtmlFileName>
<LongName> 401960 - Disclosure - Employee Benefit Plans (Rollforward of Level 3 Plan Assets) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/EmployeeBenefitPlansRollforwardOfLevel3PlanAssetsDetails </Role>
<ShortName> Employee Benefit Plans (Rollforward of Level 3 Plan Assets) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/EmployeeBenefitPlansTables </ParentRole>
<Position> 143 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R144.htm </HtmlFileName>
<LongName> 401970 - Disclosure - Employee Benefit Plans (Expected Future Benefit Payments) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/EmployeeBenefitPlansExpectedFutureBenefitPaymentsDetails </Role>
<ShortName> Employee Benefit Plans (Expected Future Benefit Payments) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/EmployeeBenefitPlansTables </ParentRole>
<Position> 144 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R145.htm </HtmlFileName>
<LongName> 401980 - Disclosure - Employee Benefit Plans (401(k) and Defined Contribution Pension Plans) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/EmployeeBenefitPlans401kAndDefinedContributionPensionPlansDetails </Role>
<ShortName> Employee Benefit Plans (401(k) and Defined Contribution Pension Plans) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/EmployeeBenefitPlansTables </ParentRole>
<Position> 145 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R146.htm </HtmlFileName>
<LongName> 402010 - Disclosure - Income Taxes (Provision for (Benefit from) Income Taxes) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/IncomeTaxesProvisionForBenefitFromIncomeTaxesDetails </Role>
<ShortName> Income Taxes (Provision for (Benefit from) Income Taxes) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/IncomeTaxesTables </ParentRole>
<Position> 146 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R147.htm </HtmlFileName>
<LongName> 402020 - Disclosure - Income Taxes (Effective Income Tax Rate) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/IncomeTaxesEffectiveIncomeTaxRateDetails </Role>
<ShortName> Income Taxes (Effective Income Tax Rate) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/IncomeTaxesTables </ParentRole>
<Position> 147 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R148.htm </HtmlFileName>
<LongName> 402030 - Disclosure - Income Taxes (Deferred Tax Assets and Liabilities) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/IncomeTaxesDeferredTaxAssetsAndLiabilitiesDetails </Role>
<ShortName> Income Taxes (Deferred Tax Assets and Liabilities) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/IncomeTaxesTables </ParentRole>
<Position> 148 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R149.htm </HtmlFileName>
<LongName> 402040 - Disclosure - Income Taxes (Unrecognized Tax Benefits) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/IncomeTaxesUnrecognizedTaxBenefitsDetails </Role>
<ShortName> Income Taxes (Unrecognized Tax Benefits) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/IncomeTaxesTables </ParentRole>
<Position> 149 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R150.htm </HtmlFileName>
<LongName> 402050 - Disclosure - Income Taxes (Earliest Tax Year Subject to Examination in Major Tax Jurisdictions) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/IncomeTaxesEarliestTaxYearSubjectToExaminationInMajorTaxJurisdictionsDetails </Role>
<ShortName> Income Taxes (Earliest Tax Year Subject to Examination in Major Tax Jurisdictions) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/IncomeTaxesTables </ParentRole>
<Position> 150 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R151.htm </HtmlFileName>
<LongName> 402110 - Disclosure - Segment, Geographic and Revenue Information (Selected Financial Information by Business Segment) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/SegmentGeographicAndRevenueInformationSelectedFinancialInformationByBusinessSegmentDetails </Role>
<ShortName> Segment, Geographic and Revenue Information (Selected Financial Information by Business Segment) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/SegmentGeographicAndRevenueInformationTables </ParentRole>
<Position> 151 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R152.htm </HtmlFileName>
<LongName> 402120 - Disclosure - Segment, Geographic and Revenue Information (Net Discrete Tax Provision (Benefit) by Segment) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/SegmentGeographicAndRevenueInformationNetDiscreteTaxProvisionBenefitBySegmentDetails </Role>
<ShortName> Segment, Geographic and Revenue Information (Net Discrete Tax Provision (Benefit) by Segment) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/SegmentGeographicAndRevenueInformationTables </ParentRole>
<Position> 152 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R153.htm </HtmlFileName>
<LongName> 402130 - Disclosure - Segment, Geographic and Revenue Information (Assets by Business Segment) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/SegmentGeographicAndRevenueInformationAssetsByBusinessSegmentDetails </Role>
<ShortName> Segment, Geographic and Revenue Information (Assets by Business Segment) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/SegmentGeographicAndRevenueInformationTables </ParentRole>
<Position> 153 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R154.htm </HtmlFileName>
<LongName> 402140 - Disclosure - Segment, Geographic and Revenue Information (Additional Information - Investment Management) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/SegmentGeographicAndRevenueInformationAdditionalInformationInvestmentManagementDetails </Role>
<ShortName> Segment, Geographic and Revenue Information (Additional Information - Investment Management) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/SegmentGeographicAndRevenueInformationTables </ParentRole>
<Position> 154 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R155.htm </HtmlFileName>
<LongName> 402150 - Disclosure - Segment, Geographic and Revenue Information (Net Revenues by Region) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/SegmentGeographicAndRevenueInformationNetRevenuesByRegionDetails </Role>
<ShortName> Segment, Geographic and Revenue Information (Net Revenues by Region) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/SegmentGeographicAndRevenueInformationTables </ParentRole>
<Position> 155 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R156.htm </HtmlFileName>
<LongName> 402152 - Disclosure - Segment, Geographic and Revenue Information (Income by Region) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/SegmentGeographicAndRevenueInformationIncomeByRegionDetails </Role>
<ShortName> Segment, Geographic and Revenue Information (Income by Region) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/SegmentGeographicAndRevenueInformationTables </ParentRole>
<Position> 156 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R157.htm </HtmlFileName>
<LongName> 402154 - Disclosure - Segment, Geographic and Revenue Information (Total Assets by Region) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/SegmentGeographicAndRevenueInformationTotalAssetsByRegionDetails </Role>
<ShortName> Segment, Geographic and Revenue Information (Total Assets by Region) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/SegmentGeographicAndRevenueInformationTables </ParentRole>
<Position> 157 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R158.htm </HtmlFileName>
<LongName> 402160 - Disclosure - Segment, Geographic and Revenue Information (Trading Revenues by Product Type) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/SegmentGeographicAndRevenueInformationTradingRevenuesByProductTypeDetails </Role>
<ShortName> Segment, Geographic and Revenue Information (Trading Revenues by Product Type) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/SegmentGeographicAndRevenueInformationTables </ParentRole>
<Position> 158 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R159.htm </HtmlFileName>
<LongName> 402162 - Disclosure - Segment, Geographic and Revenue Information (Change in Revenue) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/SegmentGeographicAndRevenueInformationChangeInRevenueDetails </Role>
<ShortName> Segment, Geographic and Revenue Information (Change in Revenue) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/SegmentGeographicAndRevenueInformationTables </ParentRole>
<Position> 159 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R160.htm </HtmlFileName>
<LongName> 402164 - Disclosure - Segment, Geographic and Revenue Information (Receivables from Contracts with Customers) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/SegmentGeographicAndRevenueInformationReceivablesFromContractsWithCustomersDetails </Role>
<ShortName> Segment, Geographic and Revenue Information (Receivables from Contracts with Customers) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/SegmentGeographicAndRevenueInformationTables </ParentRole>
<Position> 160 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R161.htm </HtmlFileName>
<LongName> 402210 - Disclosure - Parent Company (Condensed Income Statements and Comprehensive Income Statements) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/ParentCompanyCondensedIncomeStatementsAndComprehensiveIncomeStatementsDetails </Role>
<ShortName> Parent Company (Condensed Income Statements and Comprehensive Income Statements) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/ParentCompanyTables </ParentRole>
<Position> 161 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R162.htm </HtmlFileName>
<LongName> 402220 - Disclosure - Parent Company (Condensed Balance Sheets) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/ParentCompanyCondensedBalanceSheetsDetails </Role>
<ShortName> Parent Company (Condensed Balance Sheets) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/ParentCompanyTables </ParentRole>
<Position> 162 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R163.htm </HtmlFileName>
<LongName> 402230 - Disclosure - Parent Company (Condensed Cash Flow Statements) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/ParentCompanyCondensedCashFlowStatementsDetails </Role>
<ShortName> Parent Company (Condensed Cash Flow Statements) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/ParentCompanyTables </ParentRole>
<Position> 163 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R164.htm </HtmlFileName>
<LongName> 402240 - Disclosure - Parent Company (Long-Term Borrowings) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/ParentCompanyLongTermBorrowingsDetails </Role>
<ShortName> Parent Company (Long-Term Borrowings) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/ParentCompanyTables </ParentRole>
<Position> 164 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R165.htm </HtmlFileName>
<LongName> 402250 - Disclosure - Parent Company (Guarantees) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/ParentCompanyGuaranteesDetails </Role>
<ShortName> Parent Company (Guarantees) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/ParentCompanyTables </ParentRole>
<Position> 165 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R166.htm </HtmlFileName>
<LongName> 402300 - Disclosure - Quarterly Results (Unaudited) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/QuarterlyResultsUnauditedDetails </Role>
<ShortName> Quarterly Results (Unaudited) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/QuarterlyResultsTables </ParentRole>
<Position> 166 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R167.htm </HtmlFileName>
<LongName> 402310 - Disclosure - Quarterly Results (Unaudited) (Subnote) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/QuarterlyResultsUnauditedSubnoteDetails </Role>
<ShortName> Quarterly Results (Unaudited) (Subnote) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/QuarterlyResultsTables </ParentRole>
<Position> 167 </Position>
</Report>
<Report instance="ms-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R168.htm </HtmlFileName>
<LongName> 402320 - Disclosure - Quarterly Results (Change in Revenue) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.morganstanley.com/role/QuarterlyResultsChangeInRevenueDetails </Role>
<ShortName> Quarterly Results (Change in Revenue) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.morganstanley.com/role/QuarterlyResultsTables </ParentRole>
<Position> 168 </Position>
</Report>
<Report>
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<LongName> All Reports </LongName>
<ReportType> Book </ReportType>
<ShortName> All Reports </ShortName>
</Report>
</MyReports>
<InputFiles>
<File> ms-20181231.xml </File>
<File> ms-20181231.xsd </File>
<File> ms-20181231_cal.xml </File>
<File> ms-20181231_def.xml </File>
<File> ms-20181231_lab.xml </File>
<File> ms-20181231_pre.xml </File>
</InputFiles>
<SupplementalFiles/>
<BaseTaxonomies>
<BaseTaxonomy> http://xbrl.sec.gov/invest/2013-01-31 </BaseTaxonomy>
<BaseTaxonomy> http://fasb.org/us-gaap/2017-01-31 </BaseTaxonomy>
<BaseTaxonomy> http://xbrl.sec.gov/country/2017-01-31 </BaseTaxonomy>
<BaseTaxonomy> http://xbrl.sec.gov/dei/2014-01-31 </BaseTaxonomy>
</BaseTaxonomies>
<HasPresentationLinkbase> true </HasPresentationLinkbase>
<HasCalculationLinkbase> true </HasCalculationLinkbase>
</FilingSummary>


4 Subsequent Filings that Reference this Filing

  As Of               Filer                 Filing    For·On·As Docs:Size             Issuer                      Filing Agent

 2/22/24  Morgan Stanley                    10-K       12/31/23  224:45M
 2/24/23  Morgan Stanley                    10-K       12/31/22  227:50M
 2/24/22  Morgan Stanley                    10-K       12/31/21  225:51M
 2/26/21  Morgan Stanley                    10-K       12/31/20  225:50M
Top
Filing Submission 0001193125-19-051943   –   Alternative Formats (Word / Rich Text, HTML, Plain Text, et al.)

Copyright © 2024 Fran Finnegan & Company LLC – All Rights Reserved.
AboutPrivacyRedactionsHelp — Tue., Apr. 30, 5:51:56.2am ET