v3.25.4
Segment, Geographic and Revenue Information - Other Expenses - Transaction Taxes (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Segment Reporting [Abstract]
Transaction taxes
$ 1,289
$ 926
$ 866
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