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

Common equity tier one capital, impact of CECL transitions.

No definition available.

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

Common Shareholders Equity

No definition available.

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

Deductions from CET1 for goodwill, net of deferred tax liabilities.

No definition available.

Name:	gs_DeductionsForGoodwillNetOfDeferredTaxLiabilities
Namespace Prefix:	gs_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Deductions from CET1 for identifiable intangible assets, net of deferred tax liabilities.

No definition available.

Name:	gs_DeductionsForIdentifiableIntangibleAssetsNetOfDeferredTaxLiabilities
Namespace Prefix:	gs_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Deductions for investments in covered funds for Tier 1 Capital.

No definition available.

Name:	gs_DeductionsForInvestmentsInCoveredFunds
Namespace Prefix:	gs_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Junior subordinated debt issued to trusts included in Tier 2 capital.

No definition available.

Name:	gs_JuniorSubordinatedDebtIssuedToTrustsIncludedInTier2Capital
Namespace Prefix:	gs_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Eligible credit reserves are general allowances that have been established through a charge against earnings to cover estimated credit losses associated with on- or off-balance sheet wholesale and retail exposures, including the ALLL associated with such exposures, but excluding allocated transfer risk reserves established pursuant to 12 U.S.C. 3904 and other specific reserves created against recognized losses.

No definition available.

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

Other adjustments to CET1.

No definition available.

Name:	gs_OtherAdjustmentsToCet1
Namespace Prefix:	gs_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Other adjustments to Tier 1 capital.

No definition available.

Name:	gs_OtherAdjustmentsToTier1Capital
Namespace Prefix:	gs_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Other adjustments to Tier 2 capital.

No definition available.

Name:	gs_OtherAdjustmentsToTier2Capital
Namespace Prefix:	gs_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Qualifying subordinated debt included in Tier 2 capital.

No definition available.

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

Tier 2 capital calculated in accordance with the Standardized Capital Rules.

No definition available.

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

Amount of total capital as defined by regulatory framework.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 948
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=6490092&loc=d3e47304-110998

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 505
-Section 50
-Paragraph 1
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=117337116&loc=SL5958568-112826

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 948
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=6490092&loc=d3e47080-110998

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

Amount of Common Equity Tier 1 risk-based capital as defined by regulatory framework.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 505
-Section 50
-Paragraph 1
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=117337116&loc=SL5958568-112826

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

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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

Aggregate par or stated value of issued nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable preferred shares, par value and other disclosure concepts are in another section within stockholders' equity.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(28))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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

Amount of Tier 1 risk-based capital as defined by regulatory framework.

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

Amount of Tier 2 risk-based capital as defined by regulatory framework.