XML 102 R80.htm IDEA: XBRL DOCUMENT v3.25.3

Collateralized Transactions - Narrative (Details) - USD ($) $ in Millions	Sep. 30, 2025	Dec. 31, 2024
Collateralized Agreements [Abstract]
Offset of other secured financing liabilities against trade assets	$ 2,629	$ 437

X

- Definition

Trading Asset, Subject to Master Netting Arrangement, Asset Offset

+ References

No definition available.

+ Details

Name:	ms_TradingAssetSubjectToMasterNettingArrangementAssetOffset
Namespace Prefix:	ms_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- References

No definition available.

+ Details

Name:	us-gaap_CollateralizedAgreementsAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration