Fair Value [Line Items]

No definition available.

Name:	gs_FairValueLineItems
Namespace Prefix:	gs_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Total contractual amount of unfunded commitments for which the fair value option was elected.

+ References

No definition available.

+ Details

Name:	gs_FairValueOptionUnfundedLendingCommitmentsContractualAmount
Namespace Prefix:	gs_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

This item represents the difference between the aggregate fair value and the aggregate unpaid principal balance of long-term debt instruments that have contractual principal amounts and for which the fair value option has been elected.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 825
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 28
-Subparagraph (d)(2)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482907/825-10-50-28

+ Details

Name:	us-gaap_FairValueOptionAggregateDifferencesLongTermDebtInstruments
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

This item represents the estimated amount of gains or losses included in earnings during the period attributable to changes in instrument-specific credit risk arising from loans and other receivables held as assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 825
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 30
-Subparagraph (c)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482907/825-10-50-30

+ Details

Name:	us-gaap_FairValueOptionCreditRiskGainsLossesOnAssets
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Details

Name:	us-gaap_FairValueByLiabilityClassAxis=gs_SecuredLongTermBorrowingsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FairValueByLiabilityClassAxis=gs_UnsecuredLongTermBorrowingsAtFairValueMember
Namespace Prefix:
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Fair Value Option - Additional Information (Detail) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024	Dec. 31, 2024
Fair Value [Line Items]
Total contractual amount of unfunded commitments for which the fair value option was elected	$ 1,620,000,000		$ 1,620,000,000		$ 568,000,000
Net gain/(loss) attributable to changes in instrument-specific credit spreads on loans and lending commitments for which the fair value option was elected	0	$ 0	0	$ 0
Secured long term borrowings
Fair Value [Line Items]
Difference between aggregate contractual principal amount of long-term debt instruments for which the fair value option was elected and related fair value	0		0		0
Unsecured long-term borrowings
Fair Value [Line Items]
Difference between aggregate contractual principal amount of long-term debt instruments for which the fair value option was elected and related fair value	$ 2,670,000,000		$ 2,670,000,000		$ 4,230,000,000