Long-Term Borrowings (Details 2) (USD $) In Millions	Jun. 30, 2011	Dec. 31, 2010
Unsecured long-term borrowings by maturity date
2012	$ 11,460
2013	23,195
2014	20,474
2015	17,685
2016	27,514
2017-thereafter	74,882
Unsecured long-term borrowings	$ 175,210	$ 174,399

Amount of unsecured long-term debt maturing after year five following the current fiscal year, which may include maturities of long-term debt, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates.

Name:	gs_UnsecuredLongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive
Namespace Prefix:	gs
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of unsecured long-term debt maturing during year five following the current fiscal year, which may include maturities of long-term debt, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates.

+ Details

Name:	gs_UnsecuredLongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive
Namespace Prefix:	gs
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of unsecured long-term debt maturing during year four following the current fiscal year, which may include maturities of long-term debt, sinking fund requirements, and other securities redeemable at fixed of determinable prices and dates.

+ Details

Name:	gs_UnsecuredLongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour
Namespace Prefix:	gs
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of unsecured long-term debt (excluding the current portion) maturing during the year following the current fiscal year, which may include maturities of long-term debt, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates.

+ Details

Name:	gs_UnsecuredLongTermDebtMaturitiesRepaymentsOfPrincipalInYearOne
Namespace Prefix:	gs
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of unsecured long-term debt maturing during year three following the current fiscal year, which may include maturities of long-term debt, sinking fund requirements, and other securities redeemable at fixed of determinable prices and dates.

+ Details

Name:	gs_UnsecuredLongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree
Namespace Prefix:	gs
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of unsecured long-term debt maturing in year two following the current fiscal year, which may include maturities of long-term debt, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates.

+ Details

Name:	gs_UnsecuredLongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo
Namespace Prefix:	gs
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Details

Name:	us-gaap_LongTermDebtByMaturityAbstract
Namespace Prefix:	us-gaap
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Carrying value as of the balance sheet date of uncollateralized debt obligation (with maturities initially due after one year or beyond the operating cycle if longer), excluding current portion.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 22
-Article 5

+ Details

Name:	us-gaap_UnsecuredLongTermDebt
Namespace Prefix:	us-gaap
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant