v3.26.1
Segment, Geographic and Revenue Information - Other Expenses - Transaction Taxes (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Segment Reporting [Abstract]
Transaction taxes
$ 517
$ 266
X
- Definition
Transaction Taxes
+ References
No definition available.
+ Details
Name:
ms_TransactionTaxes
Namespace Prefix:
ms_
Data Type:
xbrli:monetaryItemType
Balance Type:
debit
Period Type:
duration
X
- References
No definition available.
+ Details
Name:
us-gaap_SegmentReportingAbstract
Namespace Prefix:
us-gaap_
Data Type:
xbrli:stringItemType
Balance Type:
na
Period Type:
duration