| Component: (Network and Table) | |
|---|---|
| Network | 402060 - Disclosure - Income Taxes (Major Tax Jurisdictions in Which the Company and Affiliates Operate and the Earliest Tax Year Subject to Examination) (Details) (http://www.morganstanley.com/role/IncomeTaxesMajorTaxJurisdictionsInWhichTheCompanyAndAffiliatesOperateAndTheEarliestTaxYearSubjectToExaminationDetails) |
| Table | Income Tax Examination [Table] |
| Reporting Entity [Axis] | 0000895421 (http://www.sec.gov/CIK) |
| Period [Axis] | 2013-01-01 - 2013-12-31 |
| Income Tax Examination | Income Tax Authority [Axis] | ||||
|---|---|---|---|---|---|
| United States | State and Local Jurisdiction [Member] | Hong Kong | United Kingdom | Japan | |
Tax Year | |||||