Document and Entity Information
| Document and Entity Information | Jul. 24, 2020 |
| Document And Entity Information [Line Items] | |
| Entity Registrant Name | GOLDMAN SACHS GROUP INC |
| Entity Address, State or Province | NY |
| Amendment Flag | false |
| Entity Central Index Key | 0000886982 |
| Document Type | 8-K |
| Document Period End Date | Jul. 24, 2020 |
| Entity Incorporation State Country Code | DE |
| Entity File Number | 001-14965 |
| Entity Tax Identification Number | 13-4019460 |
| Entity Address, Address Line One | 200 West Street |
| Entity Address, City or Town | New York |
| Entity Address, Postal Zip Code | 10282 |
| City Area Code | (212) |
| Local Phone Number | 902-1000 |
| Written Communications | false |
| Soliciting Material | false |
| Pre Commencement Tender Offer | false |
| Pre Commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | false |
| Common Stock [Member] | |
| Document And Entity Information [Line Items] | |
| Security 12b Title | Common stock, par value $.01 per share |
| Trading Symbol | GS |
| Security Exchange Name | NYSE |
| Depositary Shares Each Representing 11000th Interest In A Share Of Floating Rate Not Cumulative Preferred Stock Series A 2 [Member] | |
| Document And Entity Information [Line Items] | |
| Security 12b Title | Depositary Shares, Each Representing 1/1,000th Interest in a Share of Floating RateNon-Cumulative Preferred Stock, Series A |
| Trading Symbol | GS PrA |
| Security Exchange Name | NYSE |
| Depositary Shares Each Representing 11000th Interest In A Share Of Floating Rate Not Cumulative Preferred Stock Series C 1 [Member] | |
| Document And Entity Information [Line Items] | |
| Security 12b Title | Depositary Shares, Each Representing 1/1,000th Interest in a Share of Floating RateNon-Cumulative Preferred Stock, Series C |
| Trading Symbol | GS PrC |
| Security Exchange Name | NYSE |
| Series D Preferred Stock [Member] | |
| Document And Entity Information [Line Items] | |
| Security 12b Title | Depositary Shares, Each Representing 1/1,000th Interest in a Share of Floating RateNon-Cumulative Preferred Stock, Series D |
| Trading Symbol | GS PrD |
| Security Exchange Name | NYSE |
| Depositary Shares Each Representing 11000th Interest In A Share Of 5.50 Fixed To Floating Rate Not Cumulative Preferred Stock Series J 4 [Member] | |
| Document And Entity Information [Line Items] | |
| Security 12b Title | Depositary Shares, Each Representing 1/1,000th Interest in a Share of 5.50% Fixed-to-Floating RateNon-Cumulative Preferred Stock, Series J |
| Trading Symbol | GS PrJ |
| Security Exchange Name | NYSE |
| Depositary Shares Each Representing 11000th Interest In A Share Of 6.375 Fixed To Floating Rate Not Cumulative Preferred Stock Series K 3 [Member] | |
| Document And Entity Information [Line Items] | |
| Security 12b Title | Depositary Shares, Each Representing 1/1,000th Interest in a Share of 6.375% Fixed-to-Floating RateNon-Cumulative Preferred Stock, Series K |
| Trading Symbol | GS PrK |
| Security Exchange Name | NYSE |
| Depositary Shares Each Representing 11000th Interest In A Share Of 6.30 Not Cumulative Preferred Stock Series N 5 [Member] | |
| Document And Entity Information [Line Items] | |
| Security 12b Title | Depositary Shares, Each Representing 1/1,000th Interest in a Share of 6.30%Non-Cumulative Preferred Stock, Series N |
| Trading Symbol | GS PrN |
| Security Exchange Name | NYSE |
| M 5.793 Fixed To Floating Rate Normal Automatic Preferred Enhanced Capital Securities Of Goldman Sachs Capital Ii [Member] | |
| Document And Entity Information [Line Items] | |
| Security 12b Title | 5.793% Fixed-to-Floating Rate Normal Automatic Preferred Enhanced Capital Securities of Goldman Sachs Capital II |
| Trading Symbol | GS/43PE |
| Security Exchange Name | NYSE |
| Floating Rate Normal Automatic Preferred Enhanced Capital Securities Of Goldman Sachs Capital Iii 1 [Member] | |
| Document And Entity Information [Line Items] | |
| Security 12b Title | Floating Rate Normal Automatic Preferred Enhanced Capital Securities of Goldman Sachs Capital III |
| Trading Symbol | GS/43PF |
| Security Exchange Name | NYSE |
| Series A Medium Term Notes Index Linked Notes Due 2037 Of Gs Finance Corp [Member] | |
| Document And Entity Information [Line Items] | |
| Security 12b Title | Medium-Term Notes, Series A, Index-Linked Notes due 2037 of GS Finance Corp. |
| Trading Symbol | GCE |
| Security Exchange Name | NYSEArca |
| Series B Medium Term Notes Index Linked Notes Due 2037 [Member] | |
| Document And Entity Information [Line Items] | |
| Security 12b Title | Medium-Term Notes, Series B, Index-Linked Notes due 2037 |
| Trading Symbol | GSC |
| Security Exchange Name | NYSEArca |
| Seriese Medium Term Notes Index Linked Notes Due 2028 Of Gs Finance Corp [Member] | |
| Document And Entity Information [Line Items] | |
| Security 12b Title | Medium-Term Notes, Series E, Index-Linked Notes due 2028 of GS Finance Corp. |
| Trading Symbol | FRLG |
| Security Exchange Name | NYSEArca |