Name:	ms_TransfersAccountedForAsSecuredBorrowingsAssociatedLiabilitiesMaturitiesRepaymentsOfPrincipalAfterYearFive
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Transfers Accounted for as Secured Borrowings, Associated Liabilities, Maturities, Repayments of Principal after Year Six

No definition available.

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Amount of liabilities associated with financial assets accounted for as secured borrowings maturing in the fifth fiscal year following the latest fiscal year.

No definition available.

Name:	ms_TransfersAccountedForAsSecuredBorrowingsAssociatedLiabilitiesMaturitiesRepaymentsOfPrincipalInYearFive
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Amount of liabilities associated with financial assets accounted for as secured borrowings maturing in the fourth fiscal year following the latest fiscal year.

No definition available.

Name:	ms_TransfersAccountedForAsSecuredBorrowingsAssociatedLiabilitiesMaturitiesRepaymentsOfPrincipalInYearFour
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Data Type:	xbrli:monetaryItemType
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Transfers Accounted for as Secured Borrowings, Associated Liabilities, Maturities, Repayments of Principal in Year Six

No definition available.

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Data Type:	xbrli:monetaryItemType
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Amount of liabilities associated with financial assets accounted for as secured borrowings maturing in the third fiscal year following the latest fiscal year.

No definition available.

Name:	ms_TransfersAccountedForAsSecuredBorrowingsAssociatedLiabilitiesMaturitiesRepaymentsOfPrincipalInYearThree
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Data Type:	xbrli:monetaryItemType
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Period Type:	instant

Amount of liabilities associated with financial assets accounted for as secured borrowings maturing in the second fiscal year following the latest fiscal year.

No definition available.

Name:	ms_TransfersAccountedForAsSecuredBorrowingsAssociatedLiabilitiesMaturitiesRepaymentsOfPrincipalInYearTwo
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Data Type:	xbrli:monetaryItemType
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Period Type:	instant

Amount of liabilities associated with financial assets accounted for as secured borrowings maturing in the next fiscal year following the latest fiscal year.

No definition available.

Name:	ms_TransfersAccountedForAsSecuredBorrowingsAssociatedLiabilitiesMaturitiesRepaymentsOfPrincipalYearOne
Namespace Prefix:	ms_
Data Type:	xbrli:monetaryItemType
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Period Type:	instant

- References

No definition available.

Name:	us-gaap_DebtDisclosureAbstract
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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Carrying amount of liabilities associated with financial assets accounted for as secured borrowings recognized in the transferor's statement of financial position at the end of each period presented.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 860
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 1A
-Subparagraph (b)(1)(ii)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481420/860-30-50-1A