XML 15 R3.htm IDEA: XBRL DOCUMENT v2.4.1.9
Label Element Value
Risk/Return: rr_RiskReturnAbstract  
Registrant Name dei_EntityRegistrantName GOLDMAN SACHS TRUST
Prospectus Date rr_ProspectusDate Jul. 29, 2014
Supplement [Text Block] gst_SupplementTextBlock

GOLDMAN SACHS TRUST

Goldman Sachs Multi Sector Fixed Income Funds

Class A Shares, Class C Shares, Institutional Shares, Service Shares, Class IR Shares and Class R Shares

of the Goldman Sachs Core Fixed Income Fund

and Class A Shares, Class C Shares, Institutional Shares, Service Shares, Class IR Shares and Class R Shares of the Goldman Sachs Bond Fund (formerly, the Goldman Sachs Core Plus Fixed Income Fund)

(each, a “Fund” and, collectively, the “Funds”)

Supplement dated December 1, 2014 to the

Prospectus dated July 29, 2014, as supplemented to date (the “Prospectus”)

Goldman Sachs Asset Management, L.P., the Funds’ Investment Adviser (the “Investment Adviser”), has agreed to (i) with respect to the Goldman Sachs Core Fixed Income Fund, reduce or limit “Other Expenses” (excluding acquired fund fees and expenses, transfer agency fees and expenses, service fees, shareholder administration fees, taxes, interest, brokerage fees, shareholder meeting, litigation and extraordinary expenses) to 0.014% of the Fund’s average daily net assets; and (ii) with respect to the Goldman Sachs Bond Fund (formerly, the Goldman Sachs Core Plus Fixed Income Fund), waive a portion of the management fee in order to achieve a net management fee rate of 0.41% as an annual percentage of average daily net assets of the Fund.

Effective December 1, 2014, the Funds’ Prospectus is revised as follows:

The following table replaces the “Annual Fund Operating Expenses” table under the Goldman Sachs Core Fixed Income Fund—Summary—Fees and Expenses of the Fundsection of the Prospectus:

 

     Class A     Class C     Institutional     Service     Class IR     Class R  
Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
           
Management Fees
    0.39%        0.39%        0.39%        0.39%        0.39%        0.39%   
Distribution and Service (12b-1) Fees
    0.25%        1.00%        None        None        None        0.50%   
Other Expenses2
    0.19%        0.19%        0.10%        0.59%        0.19%        0.19%   
Service Fees
    Non     Non     Non     0.25     Non     Non
Shareholder Administration Fees
    Non     Non     Non     0.25     Non     Non
All Other Expenses
    0.19     0.19     0.10     0.09     0.19     0.19
Total Annual Fund Operating Expenses
    0.83%        1.58%        0.49%        0.98%        0.58%        1.08%   
Expense Limitation3
    (0.05)%        (0.05)%        (0.05)%        (0.05)%        (0.05)%        (0.05)%   
Total Annual Fund Operating Expenses After Expense Limitation4
    0.78%        1.53%        0.44%        0.93%        0.53%        1.03%   

 

2  The differences in the “Other Expenses” ratios across the share classes are the result of, among other things, contractual differences in transfer agency fees and the effect of mathematical rounding on the daily accrual of certain expenses, particularly in respect of small share classes.
3  The Investment Adviser has agreed to reduce or limit “Other Expenses” (excluding acquired fund fees and expenses, transfer agency fees and expenses, service fees, shareholder administration fees, taxes, interest, brokerage fees, shareholder meeting, litigation and extraordinary expenses) to 0.014% of the Fund’s average daily net assets through at least December 1, 2015, and prior to such date the Investment Adviser may not terminate the arrangement without the approval of the Board of Trustees.
4  The Fund’s “Total Annual Fund Operating Expenses After Expense Limitation” have been restated to reflect the expense limitation currently in effect.

The “Goldman Sachs Core Fixed Income Fund—Summary—Expense Example” section of the Prospectus is replaced with the following:

This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds.

The Example assumes that you invest $10,000 in Class A, Class C, Institutional, Service, Class IR and/or Class R Shares of the Fund for the time periods indicated and then redeem all of your Class A, Class C, Institutional, Service, Class IR and/or Class R Shares at the end of those periods, unless otherwise stated. The Example also assumes that your investment has a 5% return each year and that the Fund’s operating expenses remain the same (except that the Example incorporates the fee waiver for only the first year). Although your actual costs may be higher or lower, based on these assumptions your costs would be:

 

      1 Year      3 Years      5 Years      10 Years  
Class A Shares
   $ 452       $ 625       $ 814       $ 1,357   
Class C Shares
           
–  Assuming complete redemption at end of period
   $ 256       $ 494       $ 856       $ 1,874   
–  Assuming no redemption
   $ 156       $ 494       $ 856       $ 1,874   
Institutional Shares
   $ 45       $ 152       $ 269       $ 611   
Service Shares
   $ 95       $ 307       $ 537       $ 1,197   
Class IR Shares
   $ 54       $ 181       $ 319       $ 721   
Class R Shares
   $ 105       $ 339       $ 591       $ 1,313   
           

The following table replaces the “Annual Fund Operating Expenses” table under the Goldman Sachs Bond Fund—Summary—Fees and Expenses of the Fundsection of the Prospectus:

 

     Class A     Class C     Institutional     Service     Class IR     Class R  
Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
           
Management Fees
    0.45%        0.45%        0.45%        0.45%        0.45%        0.45%   
Distribution and Service (12b-1) Fees
    0.25%        1.00%        None        None        None        0.50%   
Other Expenses2
    0.35%        0.35%        0.25%        0.76%        0.35%        0.33%   
Service Fees
    Non     Non     Non     0.25     Non     Non
Shareholder Administration Fees
    Non     Non     Non     0.25     Non     Non
All Other Expenses
    0.35     0.35     0.25     0.26     0.35     0.33
Total Annual Fund Operating Expenses
    1.05%        1.80%        0.70%        1.21%        0.80%        1.28%   
Fee Waiver and Expense Limitation3
    (0.26)%        (0.26)%        (0.25)%        (0.26)%        (0.26)%        (0.24)%   
Total Annual Fund Operating Expenses After Fee Waiver and Expense Limitation4
    0.79%        1.54%        0.45%        0.95%        0.54%        1.04%   

 

2  The differences in the “Other Expenses” ratios across the share classes are the result of, among other things, contractual differences in transfer agency fees and the effect of mathematical rounding on the daily accrual of certain expenses, particularly in respect of small share classes.
3  The Investment Adviser has agreed to (i) waive a portion of the management fee in order to achieve a net management fee rate of 0.41% as an annual percentage of average daily net assets of the Fund, and (ii) reduce or limit “Other Expenses” (excluding acquired fund fees and expenses, transfer agency fees and expenses, service fees, shareholder administration fees, taxes, interest, brokerage fees, shareholder meeting, litigation and extraordinary expenses) to 0.004% of the Fund’s average daily net assets. These arrangements will remain in effect through at least December 1, 2015, and prior to such date the Investment Adviser may not terminate the arrangements without the approval of the Board of Trustees.
4  The Fund’s “Total Annual Fund Operating Expenses After Fee Waiver and Expense Limitation” have been restated to reflect the expense limitation currently in effect.

The “Goldman Sachs Bond Fund—Summary—Expense Example” section of the Prospectus is replaced with the following:

This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds.

The Example assumes that you invest $10,000 in Class A, Class C, Institutional, Service, Class IR and/or Class R Shares of the Fund for the time periods indicated and then redeem all of your Class A, Class C, Institutional, Service, Class IR and/or Class R Shares at the end of those periods, unless otherwise stated. The Example also assumes that your investment has a 5% return each year and that the Fund’s operating expenses remain the same (except that the Example incorporates the fee waiver and expense limitation arrangements for only the first year). Although your actual costs may be higher or lower, based on these assumptions your costs would be:

 

      1 Year      3 Years      5 Years      10 Years  
Class A Shares
   $ 453       $ 672       $ 908       $ 1,587   
Class C Shares
           
–  Assuming complete redemption at end of period
   $ 257       $ 541       $ 951       $ 2,095   
–  Assuming no redemption
   $ 157       $ 541       $ 951       $ 2,095   
Institutional Shares
   $ 46       $ 199       $ 365       $ 847   
Service Shares
   $ 97       $ 358       $ 640       $ 1,443   
Class IR Shares
   $ 55       $ 229       $ 419       $ 966   
Class R Shares
   $ 106       $ 382       $ 679       $ 1,524   
           
Goldman Sachs Core Fixed Income Fund  
Risk/Return: rr_RiskReturnAbstract  
Supplement [Text Block] gst_SupplementTextBlock

GOLDMAN SACHS TRUST

Goldman Sachs Multi Sector Fixed Income Funds

Class A Shares, Class C Shares, Institutional Shares, Service Shares, Class IR Shares and Class R Shares

of the Goldman Sachs Core Fixed Income Fund

(each, a “Fund” and, collectively, the “Funds”)

Supplement dated December 1, 2014 to the

Prospectus dated July 29, 2014, as supplemented to date (the “Prospectus”)

Goldman Sachs Asset Management, L.P., the Funds’ Investment Adviser (the “Investment Adviser”), has agreed to (i) with respect to the Goldman Sachs Core Fixed Income Fund, reduce or limit “Other Expenses” (excluding acquired fund fees and expenses, transfer agency fees and expenses, service fees, shareholder administration fees, taxes, interest, brokerage fees, shareholder meeting, litigation and extraordinary expenses) to 0.014% of the Fund’s average daily net assets; and (ii) with respect to the Goldman Sachs Bond Fund (formerly, the Goldman Sachs Core Plus Fixed Income Fund), waive a portion of the management fee in order to achieve a net management fee rate of 0.41% as an annual percentage of average daily net assets of the Fund.

Effective December 1, 2014, the Funds’ Prospectus is revised as follows:

The following table replaces the “Annual Fund Operating Expenses” table under the Goldman Sachs Core Fixed Income Fund—Summary—Fees and Expenses of the Fundsection of the Prospectus:

 

     Class A     Class C     Institutional     Service     Class IR     Class R  
Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
           
Management Fees
    0.39%        0.39%        0.39%        0.39%        0.39%        0.39%   
Distribution and Service (12b-1) Fees
    0.25%        1.00%        None        None        None        0.50%   
Other Expenses2
    0.19%        0.19%        0.10%        0.59%        0.19%        0.19%   
Service Fees
    Non     Non     Non     0.25     Non     Non
Shareholder Administration Fees
    Non     Non     Non     0.25     Non     Non
All Other Expenses
    0.19     0.19     0.10     0.09     0.19     0.19
Total Annual Fund Operating Expenses
    0.83%        1.58%        0.49%        0.98%        0.58%        1.08%   
Expense Limitation3
    (0.05)%        (0.05)%        (0.05)%        (0.05)%        (0.05)%        (0.05)%   
Total Annual Fund Operating Expenses After Expense Limitation4
    0.78%        1.53%        0.44%        0.93%        0.53%        1.03%   

 

2  The differences in the “Other Expenses” ratios across the share classes are the result of, among other things, contractual differences in transfer agency fees and the effect of mathematical rounding on the daily accrual of certain expenses, particularly in respect of small share classes.
3  The Investment Adviser has agreed to reduce or limit “Other Expenses” (excluding acquired fund fees and expenses, transfer agency fees and expenses, service fees, shareholder administration fees, taxes, interest, brokerage fees, shareholder meeting, litigation and extraordinary expenses) to 0.014% of the Fund’s average daily net assets through at least December 1, 2015, and prior to such date the Investment Adviser may not terminate the arrangement without the approval of the Board of Trustees.
4  The Fund’s “Total Annual Fund Operating Expenses After Expense Limitation” have been restated to reflect the expense limitation currently in effect.

The “Goldman Sachs Core Fixed Income Fund—Summary—Expense Example” section of the Prospectus is replaced with the following:

This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds.

The Example assumes that you invest $10,000 in Class A, Class C, Institutional, Service, Class IR and/or Class R Shares of the Fund for the time periods indicated and then redeem all of your Class A, Class C, Institutional, Service, Class IR and/or Class R Shares at the end of those periods, unless otherwise stated. The Example also assumes that your investment has a 5% return each year and that the Fund’s operating expenses remain the same (except that the Example incorporates the fee waiver for only the first year). Although your actual costs may be higher or lower, based on these assumptions your costs would be:

 

      1 Year      3 Years      5 Years      10 Years  
Class A Shares
   $ 452       $ 625       $ 814       $ 1,357   
Class C Shares
           
–  Assuming complete redemption at end of period
   $ 256       $ 494       $ 856       $ 1,874   
–  Assuming no redemption
   $ 156       $ 494       $ 856       $ 1,874   
Institutional Shares
   $ 45       $ 152       $ 269       $ 611   
Service Shares
   $ 95       $ 307       $ 537       $ 1,197   
Class IR Shares
   $ 54       $ 181       $ 319       $ 721   
Class R Shares
   $ 105       $ 339       $ 591       $ 1,313   
           
Operating Expenses Caption [Text] rr_OperatingExpensesCaption Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
Fee Waiver or Reimbursement over Assets, Date of Termination rr_FeeWaiverOrReimbursementOverAssetsDateOfTermination December 1, 2015
Expenses Restated to Reflect Current [Text] rr_ExpensesRestatedToReflectCurrent The Fund’s “Total Annual Fund Operating Expenses After Expense Limitation” have been restated to reflect the expense limitation currently in effect.
Expense Example Narrative [Text Block] rr_ExpenseExampleNarrativeTextBlock This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds.

The Example assumes that you invest $10,000 in Class A, Class C, Institutional, Service, Class IR and/or Class R Shares of the Fund for the time periods indicated and then redeem all of your Class A, Class C, Institutional, Service, Class IR and/or Class R Shares at the end of those periods, unless otherwise stated. The Example also assumes that your investment has a 5% return each year and that the Fund’s operating expenses remain the same (except that the Example incorporates the fee waiver for only the first year). Although your actual costs may be higher or lower, based on these assumptions your costs would be:
Expense Example by, Year, Caption [Text] rr_ExpenseExampleByYearCaption Assuming complete redemption at end of period
Expense Example, No Redemption, By Year, Caption [Text] rr_ExpenseExampleNoRedemptionByYearCaption Assuming no redemption
Goldman Sachs Core Fixed Income Fund | Class A  
Risk/Return: rr_RiskReturnAbstract  
Management Fees rr_ManagementFeesOverAssets 0.39%rr_ManagementFeesOverAssets
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Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets 0.25%rr_DistributionAndService12b1FeesOverAssets
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Service Fees rr_Component1OtherExpensesOverAssets none
Shareholder Administration Fees rr_Component2OtherExpensesOverAssets none
All Other Expenses rr_Component3OtherExpensesOverAssets 0.19%rr_Component3OtherExpensesOverAssets
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Other Expenses rr_OtherExpensesOverAssets 0.19%rr_OtherExpensesOverAssets
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Total Annual Fund Operating Expenses rr_ExpensesOverAssets 0.83%rr_ExpensesOverAssets
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Fee Waiver and Expense Limitation rr_FeeWaiverOrReimbursementOverAssets (0.05%)rr_FeeWaiverOrReimbursementOverAssets
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Total Annual Fund Operating Expenses rr_NetExpensesOverAssets 0.78%rr_NetExpensesOverAssets
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1 Year rr_ExpenseExampleYear01 452rr_ExpenseExampleYear01
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3 Years rr_ExpenseExampleYear03 625rr_ExpenseExampleYear03
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5 Years rr_ExpenseExampleYear05 814rr_ExpenseExampleYear05
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10 Years rr_ExpenseExampleYear10 1,357rr_ExpenseExampleYear10
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Goldman Sachs Core Fixed Income Fund | Class C  
Risk/Return: rr_RiskReturnAbstract  
Management Fees rr_ManagementFeesOverAssets 0.39%rr_ManagementFeesOverAssets
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Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets 1.00%rr_DistributionAndService12b1FeesOverAssets
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Service Fees rr_Component1OtherExpensesOverAssets none
Shareholder Administration Fees rr_Component2OtherExpensesOverAssets none
All Other Expenses rr_Component3OtherExpensesOverAssets 0.19%rr_Component3OtherExpensesOverAssets
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Other Expenses rr_OtherExpensesOverAssets 0.19%rr_OtherExpensesOverAssets
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[1]
Total Annual Fund Operating Expenses rr_ExpensesOverAssets 1.58%rr_ExpensesOverAssets
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Fee Waiver and Expense Limitation rr_FeeWaiverOrReimbursementOverAssets (0.05%)rr_FeeWaiverOrReimbursementOverAssets
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[2]
Total Annual Fund Operating Expenses rr_NetExpensesOverAssets 1.53%rr_NetExpensesOverAssets
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1 Year rr_ExpenseExampleYear01 256rr_ExpenseExampleYear01
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3 Years rr_ExpenseExampleYear03 494rr_ExpenseExampleYear03
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5 Years rr_ExpenseExampleYear05 856rr_ExpenseExampleYear05
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10 Years rr_ExpenseExampleYear10 1,874rr_ExpenseExampleYear10
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1 Year rr_ExpenseExampleNoRedemptionYear01 156rr_ExpenseExampleNoRedemptionYear01
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3 Years rr_ExpenseExampleNoRedemptionYear03 494rr_ExpenseExampleNoRedemptionYear03
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5 Years rr_ExpenseExampleNoRedemptionYear05 856rr_ExpenseExampleNoRedemptionYear05
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10 Years rr_ExpenseExampleNoRedemptionYear10 1,874rr_ExpenseExampleNoRedemptionYear10
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Goldman Sachs Core Fixed Income Fund | Institutional  
Risk/Return: rr_RiskReturnAbstract  
Management Fees rr_ManagementFeesOverAssets 0.39%rr_ManagementFeesOverAssets
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Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets none
Service Fees rr_Component1OtherExpensesOverAssets none
Shareholder Administration Fees rr_Component2OtherExpensesOverAssets none
All Other Expenses rr_Component3OtherExpensesOverAssets 0.10%rr_Component3OtherExpensesOverAssets
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Other Expenses rr_OtherExpensesOverAssets 0.10%rr_OtherExpensesOverAssets
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[1]
Total Annual Fund Operating Expenses rr_ExpensesOverAssets 0.49%rr_ExpensesOverAssets
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Fee Waiver and Expense Limitation rr_FeeWaiverOrReimbursementOverAssets (0.05%)rr_FeeWaiverOrReimbursementOverAssets
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10 Years rr_ExpenseExampleYear10 611rr_ExpenseExampleYear10
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Goldman Sachs Core Fixed Income Fund | Service  
Risk/Return: rr_RiskReturnAbstract  
Management Fees rr_ManagementFeesOverAssets 0.39%rr_ManagementFeesOverAssets
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Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets none
Service Fees rr_Component1OtherExpensesOverAssets 0.25%rr_Component1OtherExpensesOverAssets
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Shareholder Administration Fees rr_Component2OtherExpensesOverAssets 0.25%rr_Component2OtherExpensesOverAssets
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All Other Expenses rr_Component3OtherExpensesOverAssets 0.09%rr_Component3OtherExpensesOverAssets
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Other Expenses rr_OtherExpensesOverAssets 0.59%rr_OtherExpensesOverAssets
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= gst_C000025405Member
10 Years rr_ExpenseExampleYear10 1,197rr_ExpenseExampleYear10
/ dei_LegalEntityAxis
= gst_S000009306Member
/ rr_ProspectusShareClassAxis
= gst_C000025405Member
Goldman Sachs Core Fixed Income Fund | Class IR  
Risk/Return: rr_RiskReturnAbstract  
Management Fees rr_ManagementFeesOverAssets 0.39%rr_ManagementFeesOverAssets
/ dei_LegalEntityAxis
= gst_S000009306Member
/ rr_ProspectusShareClassAxis
= gst_C000058956Member
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets none
Service Fees rr_Component1OtherExpensesOverAssets none
Shareholder Administration Fees rr_Component2OtherExpensesOverAssets none
All Other Expenses rr_Component3OtherExpensesOverAssets 0.19%rr_Component3OtherExpensesOverAssets
/ dei_LegalEntityAxis
= gst_S000009306Member
/ rr_ProspectusShareClassAxis
= gst_C000058956Member
Other Expenses rr_OtherExpensesOverAssets 0.19%rr_OtherExpensesOverAssets
/ dei_LegalEntityAxis
= gst_S000009306Member
/ rr_ProspectusShareClassAxis
= gst_C000058956Member
[1]
Total Annual Fund Operating Expenses rr_ExpensesOverAssets 0.58%rr_ExpensesOverAssets
/ dei_LegalEntityAxis
= gst_S000009306Member
/ rr_ProspectusShareClassAxis
= gst_C000058956Member
Fee Waiver and Expense Limitation rr_FeeWaiverOrReimbursementOverAssets (0.05%)rr_FeeWaiverOrReimbursementOverAssets
/ dei_LegalEntityAxis
= gst_S000009306Member
/ rr_ProspectusShareClassAxis
= gst_C000058956Member
[2]
Total Annual Fund Operating Expenses rr_NetExpensesOverAssets 0.53%rr_NetExpensesOverAssets
/ dei_LegalEntityAxis
= gst_S000009306Member
/ rr_ProspectusShareClassAxis
= gst_C000058956Member
[3],[4]
1 Year rr_ExpenseExampleYear01 54rr_ExpenseExampleYear01
/ dei_LegalEntityAxis
= gst_S000009306Member
/ rr_ProspectusShareClassAxis
= gst_C000058956Member
3 Years rr_ExpenseExampleYear03 181rr_ExpenseExampleYear03
/ dei_LegalEntityAxis
= gst_S000009306Member
/ rr_ProspectusShareClassAxis
= gst_C000058956Member
5 Years rr_ExpenseExampleYear05 319rr_ExpenseExampleYear05
/ dei_LegalEntityAxis
= gst_S000009306Member
/ rr_ProspectusShareClassAxis
= gst_C000058956Member
10 Years rr_ExpenseExampleYear10 721rr_ExpenseExampleYear10
/ dei_LegalEntityAxis
= gst_S000009306Member
/ rr_ProspectusShareClassAxis
= gst_C000058956Member
Goldman Sachs Core Fixed Income Fund | Class R  
Risk/Return: rr_RiskReturnAbstract  
Management Fees rr_ManagementFeesOverAssets 0.39%rr_ManagementFeesOverAssets
/ dei_LegalEntityAxis
= gst_S000009306Member
/ rr_ProspectusShareClassAxis
= gst_C000058955Member
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets 0.50%rr_DistributionAndService12b1FeesOverAssets
/ dei_LegalEntityAxis
= gst_S000009306Member
/ rr_ProspectusShareClassAxis
= gst_C000058955Member
Service Fees rr_Component1OtherExpensesOverAssets none
Shareholder Administration Fees rr_Component2OtherExpensesOverAssets none
All Other Expenses rr_Component3OtherExpensesOverAssets 0.19%rr_Component3OtherExpensesOverAssets
/ dei_LegalEntityAxis
= gst_S000009306Member
/ rr_ProspectusShareClassAxis
= gst_C000058955Member
Other Expenses rr_OtherExpensesOverAssets 0.19%rr_OtherExpensesOverAssets
/ dei_LegalEntityAxis
= gst_S000009306Member
/ rr_ProspectusShareClassAxis
= gst_C000058955Member
[1]
Total Annual Fund Operating Expenses rr_ExpensesOverAssets 1.08%rr_ExpensesOverAssets
/ dei_LegalEntityAxis
= gst_S000009306Member
/ rr_ProspectusShareClassAxis
= gst_C000058955Member
Fee Waiver and Expense Limitation rr_FeeWaiverOrReimbursementOverAssets (0.05%)rr_FeeWaiverOrReimbursementOverAssets
/ dei_LegalEntityAxis
= gst_S000009306Member
/ rr_ProspectusShareClassAxis
= gst_C000058955Member
[2]
Total Annual Fund Operating Expenses rr_NetExpensesOverAssets 1.03%rr_NetExpensesOverAssets
/ dei_LegalEntityAxis
= gst_S000009306Member
/ rr_ProspectusShareClassAxis
= gst_C000058955Member
[3],[4]
1 Year rr_ExpenseExampleYear01 105rr_ExpenseExampleYear01
/ dei_LegalEntityAxis
= gst_S000009306Member
/ rr_ProspectusShareClassAxis
= gst_C000058955Member
3 Years rr_ExpenseExampleYear03 339rr_ExpenseExampleYear03
/ dei_LegalEntityAxis
= gst_S000009306Member
/ rr_ProspectusShareClassAxis
= gst_C000058955Member
5 Years rr_ExpenseExampleYear05 591rr_ExpenseExampleYear05
/ dei_LegalEntityAxis
= gst_S000009306Member
/ rr_ProspectusShareClassAxis
= gst_C000058955Member
10 Years rr_ExpenseExampleYear10 1,313rr_ExpenseExampleYear10
/ dei_LegalEntityAxis
= gst_S000009306Member
/ rr_ProspectusShareClassAxis
= gst_C000058955Member
Goldman Sachs Bond Fund  
Risk/Return: rr_RiskReturnAbstract  
Supplement [Text Block] gst_SupplementTextBlock

GOLDMAN SACHS TRUST

Goldman Sachs Multi Sector Fixed Income Funds

Class A Shares, Class C Shares, Institutional Shares, Service Shares, Class IR Shares and Class R Shares of the Goldman Sachs Bond Fund (formerly, the Goldman Sachs Core Plus Fixed Income Fund)

(each, a “Fund” and, collectively, the “Funds”)

Supplement dated December 1, 2014 to the

Prospectus dated July 29, 2014, as supplemented to date (the “Prospectus”)

Goldman Sachs Asset Management, L.P., the Funds’ Investment Adviser (the “Investment Adviser”), has agreed to (i) with respect to the Goldman Sachs Core Fixed Income Fund, reduce or limit “Other Expenses” (excluding acquired fund fees and expenses, transfer agency fees and expenses, service fees, shareholder administration fees, taxes, interest, brokerage fees, shareholder meeting, litigation and extraordinary expenses) to 0.014% of the Fund’s average daily net assets; and (ii) with respect to the Goldman Sachs Bond Fund (formerly, the Goldman Sachs Core Plus Fixed Income Fund), waive a portion of the management fee in order to achieve a net management fee rate of 0.41% as an annual percentage of average daily net assets of the Fund.

Effective December 1, 2014, the Funds’ Prospectus is revised as follows:

The following table replaces the “Annual Fund Operating Expenses” table under the Goldman Sachs Bond Fund—Summary—Fees and Expenses of the Fundsection of the Prospectus:

 

     Class A     Class C     Institutional     Service     Class IR     Class R  
Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
           
Management Fees
    0.45%        0.45%        0.45%        0.45%        0.45%        0.45%   
Distribution and Service (12b-1) Fees
    0.25%        1.00%        None        None        None        0.50%   
Other Expenses2
    0.35%        0.35%        0.25%        0.76%        0.35%        0.33%   
Service Fees
    Non     Non     Non     0.25     Non     Non
Shareholder Administration Fees
    Non     Non     Non     0.25     Non     Non
All Other Expenses
    0.35     0.35     0.25     0.26     0.35     0.33
Total Annual Fund Operating Expenses
    1.05%        1.80%        0.70%        1.21%        0.80%        1.28%   
Fee Waiver and Expense Limitation3
    (0.26)%        (0.26)%        (0.25)%        (0.26)%        (0.26)%        (0.24)%   
Total Annual Fund Operating Expenses After Fee Waiver and Expense Limitation4
    0.79%        1.54%        0.45%        0.95%        0.54%        1.04%   

 

2  The differences in the “Other Expenses” ratios across the share classes are the result of, among other things, contractual differences in transfer agency fees and the effect of mathematical rounding on the daily accrual of certain expenses, particularly in respect of small share classes.
3  The Investment Adviser has agreed to (i) waive a portion of the management fee in order to achieve a net management fee rate of 0.41% as an annual percentage of average daily net assets of the Fund, and (ii) reduce or limit “Other Expenses” (excluding acquired fund fees and expenses, transfer agency fees and expenses, service fees, shareholder administration fees, taxes, interest, brokerage fees, shareholder meeting, litigation and extraordinary expenses) to 0.004% of the Fund’s average daily net assets. These arrangements will remain in effect through at least December 1, 2015, and prior to such date the Investment Adviser may not terminate the arrangements without the approval of the Board of Trustees.
4  The Fund’s “Total Annual Fund Operating Expenses After Fee Waiver and Expense Limitation” have been restated to reflect the expense limitation currently in effect.

The “Goldman Sachs Bond Fund—Summary—Expense Example” section of the Prospectus is replaced with the following:

This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds.

The Example assumes that you invest $10,000 in Class A, Class C, Institutional, Service, Class IR and/or Class R Shares of the Fund for the time periods indicated and then redeem all of your Class A, Class C, Institutional, Service, Class IR and/or Class R Shares at the end of those periods, unless otherwise stated. The Example also assumes that your investment has a 5% return each year and that the Fund’s operating expenses remain the same (except that the Example incorporates the fee waiver and expense limitation arrangements for only the first year). Although your actual costs may be higher or lower, based on these assumptions your costs would be:

 

      1 Year      3 Years      5 Years      10 Years  
Class A Shares
   $ 453       $ 672       $ 908       $ 1,587   
Class C Shares
           
–  Assuming complete redemption at end of period
   $ 257       $ 541       $ 951       $ 2,095   
–  Assuming no redemption
   $ 157       $ 541       $ 951       $ 2,095   
Institutional Shares
   $ 46       $ 199       $ 365       $ 847   
Service Shares
   $ 97       $ 358       $ 640       $ 1,443   
Class IR Shares
   $ 55       $ 229       $ 419       $ 966   
Class R Shares
   $ 106       $ 382       $ 679       $ 1,524   
           
Operating Expenses Caption [Text] rr_OperatingExpensesCaption Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
Fee Waiver or Reimbursement over Assets, Date of Termination rr_FeeWaiverOrReimbursementOverAssetsDateOfTermination December 1, 2015
Expenses Restated to Reflect Current [Text] rr_ExpensesRestatedToReflectCurrent The Fund’s “Total Annual Fund Operating Expenses After Fee Waiver and Expense Limitation” have been restated to reflect the expense limitation currently in effect.
Expense Example Narrative [Text Block] rr_ExpenseExampleNarrativeTextBlock The Example assumes that you invest $10,000 in Class A, Class C, Institutional, Service, Class IR and/or Class R Shares of the Fund for the time periods indicated and then redeem all of your Class A, Class C, Institutional, Service, Class IR and/or Class R Shares at the end of those periods, unless otherwise stated. The Example also assumes that your investment has a 5% return each year and that the Fund’s operating expenses remain the same (except that the Example incorporates the fee waiver and expense limitation arrangements for only the first year). Although your actual costs may be higher or lower, based on these assumptions your costs would be:
Expense Example by, Year, Caption [Text] rr_ExpenseExampleByYearCaption Assuming complete redemption at end of period
Expense Example, No Redemption, By Year, Caption [Text] rr_ExpenseExampleNoRedemptionByYearCaption Assuming no redemption
Goldman Sachs Bond Fund | Class A  
Risk/Return: rr_RiskReturnAbstract  
Management Fees rr_ManagementFeesOverAssets 0.45%rr_ManagementFeesOverAssets
/ dei_LegalEntityAxis
= gst_S000013795Member
/ rr_ProspectusShareClassAxis
= gst_C000037818Member
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets 0.25%rr_DistributionAndService12b1FeesOverAssets
/ dei_LegalEntityAxis
= gst_S000013795Member
/ rr_ProspectusShareClassAxis
= gst_C000037818Member
Service Fees rr_Component1OtherExpensesOverAssets none
Shareholder Administration Fees rr_Component2OtherExpensesOverAssets none
All Other Expenses rr_Component3OtherExpensesOverAssets 0.35%rr_Component3OtherExpensesOverAssets
/ dei_LegalEntityAxis
= gst_S000013795Member
/ rr_ProspectusShareClassAxis
= gst_C000037818Member
Other Expenses rr_OtherExpensesOverAssets 0.35%rr_OtherExpensesOverAssets
/ dei_LegalEntityAxis
= gst_S000013795Member
/ rr_ProspectusShareClassAxis
= gst_C000037818Member
[1]
Total Annual Fund Operating Expenses rr_ExpensesOverAssets 1.05%rr_ExpensesOverAssets
/ dei_LegalEntityAxis
= gst_S000013795Member
/ rr_ProspectusShareClassAxis
= gst_C000037818Member
Fee Waiver and Expense Limitation rr_FeeWaiverOrReimbursementOverAssets (0.26%)rr_FeeWaiverOrReimbursementOverAssets
/ dei_LegalEntityAxis
= gst_S000013795Member
/ rr_ProspectusShareClassAxis
= gst_C000037818Member
[5]
Total Annual Fund Operating Expenses rr_NetExpensesOverAssets 0.79%rr_NetExpensesOverAssets
/ dei_LegalEntityAxis
= gst_S000013795Member
/ rr_ProspectusShareClassAxis
= gst_C000037818Member
[6],[7]
1 Year rr_ExpenseExampleYear01 453rr_ExpenseExampleYear01
/ dei_LegalEntityAxis
= gst_S000013795Member
/ rr_ProspectusShareClassAxis
= gst_C000037818Member
3 Years rr_ExpenseExampleYear03 672rr_ExpenseExampleYear03
/ dei_LegalEntityAxis
= gst_S000013795Member
/ rr_ProspectusShareClassAxis
= gst_C000037818Member
5 Years rr_ExpenseExampleYear05 908rr_ExpenseExampleYear05
/ dei_LegalEntityAxis
= gst_S000013795Member
/ rr_ProspectusShareClassAxis
= gst_C000037818Member
10 Years rr_ExpenseExampleYear10 1,587rr_ExpenseExampleYear10
/ dei_LegalEntityAxis
= gst_S000013795Member
/ rr_ProspectusShareClassAxis
= gst_C000037818Member
Goldman Sachs Bond Fund | Class C  
Risk/Return: rr_RiskReturnAbstract  
Management Fees rr_ManagementFeesOverAssets 0.45%rr_ManagementFeesOverAssets
/ dei_LegalEntityAxis
= gst_S000013795Member
/ rr_ProspectusShareClassAxis
= gst_C000037819Member
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets 1.00%rr_DistributionAndService12b1FeesOverAssets
/ dei_LegalEntityAxis
= gst_S000013795Member
/ rr_ProspectusShareClassAxis
= gst_C000037819Member
Service Fees rr_Component1OtherExpensesOverAssets none
Shareholder Administration Fees rr_Component2OtherExpensesOverAssets none
All Other Expenses rr_Component3OtherExpensesOverAssets 0.35%rr_Component3OtherExpensesOverAssets
/ dei_LegalEntityAxis
= gst_S000013795Member
/ rr_ProspectusShareClassAxis
= gst_C000037819Member
Other Expenses rr_OtherExpensesOverAssets 0.35%rr_OtherExpensesOverAssets
/ dei_LegalEntityAxis
= gst_S000013795Member
/ rr_ProspectusShareClassAxis
= gst_C000037819Member
[1]
Total Annual Fund Operating Expenses rr_ExpensesOverAssets 1.80%rr_ExpensesOverAssets
/ dei_LegalEntityAxis
= gst_S000013795Member
/ rr_ProspectusShareClassAxis
= gst_C000037819Member
Fee Waiver and Expense Limitation rr_FeeWaiverOrReimbursementOverAssets (0.26%)rr_FeeWaiverOrReimbursementOverAssets
/ dei_LegalEntityAxis
= gst_S000013795Member
/ rr_ProspectusShareClassAxis
= gst_C000037819Member
[5]
Total Annual Fund Operating Expenses rr_NetExpensesOverAssets 1.54%rr_NetExpensesOverAssets
/ dei_LegalEntityAxis
= gst_S000013795Member
/ rr_ProspectusShareClassAxis
= gst_C000037819Member
[6],[7]
1 Year rr_ExpenseExampleYear01 257rr_ExpenseExampleYear01
/ dei_LegalEntityAxis
= gst_S000013795Member
/ rr_ProspectusShareClassAxis
= gst_C000037819Member
3 Years rr_ExpenseExampleYear03 541rr_ExpenseExampleYear03
/ dei_LegalEntityAxis
= gst_S000013795Member
/ rr_ProspectusShareClassAxis
= gst_C000037819Member
5 Years rr_ExpenseExampleYear05 951rr_ExpenseExampleYear05
/ dei_LegalEntityAxis
= gst_S000013795Member
/ rr_ProspectusShareClassAxis
= gst_C000037819Member
10 Years rr_ExpenseExampleYear10 2,095rr_ExpenseExampleYear10
/ dei_LegalEntityAxis
= gst_S000013795Member
/ rr_ProspectusShareClassAxis
= gst_C000037819Member
1 Year rr_ExpenseExampleNoRedemptionYear01 157rr_ExpenseExampleNoRedemptionYear01
/ dei_LegalEntityAxis
= gst_S000013795Member
/ rr_ProspectusShareClassAxis
= gst_C000037819Member
3 Years rr_ExpenseExampleNoRedemptionYear03 541rr_ExpenseExampleNoRedemptionYear03
/ dei_LegalEntityAxis
= gst_S000013795Member
/ rr_ProspectusShareClassAxis
= gst_C000037819Member
5 Years rr_ExpenseExampleNoRedemptionYear05 951rr_ExpenseExampleNoRedemptionYear05
/ dei_LegalEntityAxis
= gst_S000013795Member
/ rr_ProspectusShareClassAxis
= gst_C000037819Member
10 Years rr_ExpenseExampleNoRedemptionYear10 2,095rr_ExpenseExampleNoRedemptionYear10
/ dei_LegalEntityAxis
= gst_S000013795Member
/ rr_ProspectusShareClassAxis
= gst_C000037819Member
Goldman Sachs Bond Fund | Institutional  
Risk/Return: rr_RiskReturnAbstract  
Management Fees rr_ManagementFeesOverAssets 0.45%rr_ManagementFeesOverAssets
/ dei_LegalEntityAxis
= gst_S000013795Member
/ rr_ProspectusShareClassAxis
= gst_C000037820Member
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets none
Service Fees rr_Component1OtherExpensesOverAssets none
Shareholder Administration Fees rr_Component2OtherExpensesOverAssets none
All Other Expenses rr_Component3OtherExpensesOverAssets 0.25%rr_Component3OtherExpensesOverAssets
/ dei_LegalEntityAxis
= gst_S000013795Member
/ rr_ProspectusShareClassAxis
= gst_C000037820Member
Other Expenses rr_OtherExpensesOverAssets 0.25%rr_OtherExpensesOverAssets
/ dei_LegalEntityAxis
= gst_S000013795Member
/ rr_ProspectusShareClassAxis
= gst_C000037820Member
[1]
Total Annual Fund Operating Expenses rr_ExpensesOverAssets 0.70%rr_ExpensesOverAssets
/ dei_LegalEntityAxis
= gst_S000013795Member
/ rr_ProspectusShareClassAxis
= gst_C000037820Member
Fee Waiver and Expense Limitation rr_FeeWaiverOrReimbursementOverAssets (0.25%)rr_FeeWaiverOrReimbursementOverAssets
/ dei_LegalEntityAxis
= gst_S000013795Member
/ rr_ProspectusShareClassAxis
= gst_C000037820Member
[5]
Total Annual Fund Operating Expenses rr_NetExpensesOverAssets 0.45%rr_NetExpensesOverAssets
/ dei_LegalEntityAxis
= gst_S000013795Member
/ rr_ProspectusShareClassAxis
= gst_C000037820Member
[6],[7]
1 Year rr_ExpenseExampleYear01 46rr_ExpenseExampleYear01
/ dei_LegalEntityAxis
= gst_S000013795Member
/ rr_ProspectusShareClassAxis
= gst_C000037820Member
3 Years rr_ExpenseExampleYear03 199rr_ExpenseExampleYear03
/ dei_LegalEntityAxis
= gst_S000013795Member
/ rr_ProspectusShareClassAxis
= gst_C000037820Member
5 Years rr_ExpenseExampleYear05 365rr_ExpenseExampleYear05
/ dei_LegalEntityAxis
= gst_S000013795Member
/ rr_ProspectusShareClassAxis
= gst_C000037820Member
10 Years rr_ExpenseExampleYear10 847rr_ExpenseExampleYear10
/ dei_LegalEntityAxis
= gst_S000013795Member
/ rr_ProspectusShareClassAxis
= gst_C000037820Member
Goldman Sachs Bond Fund | Service  
Risk/Return: rr_RiskReturnAbstract  
Management Fees rr_ManagementFeesOverAssets 0.45%rr_ManagementFeesOverAssets
/ dei_LegalEntityAxis
= gst_S000013795Member
/ rr_ProspectusShareClassAxis
= gst_C000041010Member
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets none
Service Fees rr_Component1OtherExpensesOverAssets 0.25%rr_Component1OtherExpensesOverAssets
/ dei_LegalEntityAxis
= gst_S000013795Member
/ rr_ProspectusShareClassAxis
= gst_C000041010Member
Shareholder Administration Fees rr_Component2OtherExpensesOverAssets 0.25%rr_Component2OtherExpensesOverAssets
/ dei_LegalEntityAxis
= gst_S000013795Member
/ rr_ProspectusShareClassAxis
= gst_C000041010Member
All Other Expenses rr_Component3OtherExpensesOverAssets 0.26%rr_Component3OtherExpensesOverAssets
/ dei_LegalEntityAxis
= gst_S000013795Member
/ rr_ProspectusShareClassAxis
= gst_C000041010Member
Other Expenses rr_OtherExpensesOverAssets 0.76%rr_OtherExpensesOverAssets
/ dei_LegalEntityAxis
= gst_S000013795Member
/ rr_ProspectusShareClassAxis
= gst_C000041010Member
[1]
Total Annual Fund Operating Expenses rr_ExpensesOverAssets 1.21%rr_ExpensesOverAssets
/ dei_LegalEntityAxis
= gst_S000013795Member
/ rr_ProspectusShareClassAxis
= gst_C000041010Member
Fee Waiver and Expense Limitation rr_FeeWaiverOrReimbursementOverAssets (0.26%)rr_FeeWaiverOrReimbursementOverAssets
/ dei_LegalEntityAxis
= gst_S000013795Member
/ rr_ProspectusShareClassAxis
= gst_C000041010Member
[5]
Total Annual Fund Operating Expenses rr_NetExpensesOverAssets 0.95%rr_NetExpensesOverAssets
/ dei_LegalEntityAxis
= gst_S000013795Member
/ rr_ProspectusShareClassAxis
= gst_C000041010Member
[6],[7]
1 Year rr_ExpenseExampleYear01 97rr_ExpenseExampleYear01
/ dei_LegalEntityAxis
= gst_S000013795Member
/ rr_ProspectusShareClassAxis
= gst_C000041010Member
3 Years rr_ExpenseExampleYear03 358rr_ExpenseExampleYear03
/ dei_LegalEntityAxis
= gst_S000013795Member
/ rr_ProspectusShareClassAxis
= gst_C000041010Member
5 Years rr_ExpenseExampleYear05 640rr_ExpenseExampleYear05
/ dei_LegalEntityAxis
= gst_S000013795Member
/ rr_ProspectusShareClassAxis
= gst_C000041010Member
10 Years rr_ExpenseExampleYear10 1,443rr_ExpenseExampleYear10
/ dei_LegalEntityAxis
= gst_S000013795Member
/ rr_ProspectusShareClassAxis
= gst_C000041010Member
Goldman Sachs Bond Fund | Class IR  
Risk/Return: rr_RiskReturnAbstract  
Management Fees rr_ManagementFeesOverAssets 0.45%rr_ManagementFeesOverAssets
/ dei_LegalEntityAxis
= gst_S000013795Member
/ rr_ProspectusShareClassAxis
= gst_C000058985Member
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets none
Service Fees rr_Component1OtherExpensesOverAssets none
Shareholder Administration Fees rr_Component2OtherExpensesOverAssets none
All Other Expenses rr_Component3OtherExpensesOverAssets 0.35%rr_Component3OtherExpensesOverAssets
/ dei_LegalEntityAxis
= gst_S000013795Member
/ rr_ProspectusShareClassAxis
= gst_C000058985Member
Other Expenses rr_OtherExpensesOverAssets 0.35%rr_OtherExpensesOverAssets
/ dei_LegalEntityAxis
= gst_S000013795Member
/ rr_ProspectusShareClassAxis
= gst_C000058985Member
[1]
Total Annual Fund Operating Expenses rr_ExpensesOverAssets 0.80%rr_ExpensesOverAssets
/ dei_LegalEntityAxis
= gst_S000013795Member
/ rr_ProspectusShareClassAxis
= gst_C000058985Member
Fee Waiver and Expense Limitation rr_FeeWaiverOrReimbursementOverAssets (0.26%)rr_FeeWaiverOrReimbursementOverAssets
/ dei_LegalEntityAxis
= gst_S000013795Member
/ rr_ProspectusShareClassAxis
= gst_C000058985Member
[5]
Total Annual Fund Operating Expenses rr_NetExpensesOverAssets 0.54%rr_NetExpensesOverAssets
/ dei_LegalEntityAxis
= gst_S000013795Member
/ rr_ProspectusShareClassAxis
= gst_C000058985Member
[6],[7]
1 Year rr_ExpenseExampleYear01 55rr_ExpenseExampleYear01
/ dei_LegalEntityAxis
= gst_S000013795Member
/ rr_ProspectusShareClassAxis
= gst_C000058985Member
3 Years rr_ExpenseExampleYear03 229rr_ExpenseExampleYear03
/ dei_LegalEntityAxis
= gst_S000013795Member
/ rr_ProspectusShareClassAxis
= gst_C000058985Member
5 Years rr_ExpenseExampleYear05 419rr_ExpenseExampleYear05
/ dei_LegalEntityAxis
= gst_S000013795Member
/ rr_ProspectusShareClassAxis
= gst_C000058985Member
10 Years rr_ExpenseExampleYear10 966rr_ExpenseExampleYear10
/ dei_LegalEntityAxis
= gst_S000013795Member
/ rr_ProspectusShareClassAxis
= gst_C000058985Member
Goldman Sachs Bond Fund | Class R  
Risk/Return: rr_RiskReturnAbstract  
Management Fees rr_ManagementFeesOverAssets 0.45%rr_ManagementFeesOverAssets
/ dei_LegalEntityAxis
= gst_S000013795Member
/ rr_ProspectusShareClassAxis
= gst_C000058984Member
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets 0.50%rr_DistributionAndService12b1FeesOverAssets
/ dei_LegalEntityAxis
= gst_S000013795Member
/ rr_ProspectusShareClassAxis
= gst_C000058984Member
Service Fees rr_Component1OtherExpensesOverAssets none
Shareholder Administration Fees rr_Component2OtherExpensesOverAssets none
All Other Expenses rr_Component3OtherExpensesOverAssets 0.33%rr_Component3OtherExpensesOverAssets
/ dei_LegalEntityAxis
= gst_S000013795Member
/ rr_ProspectusShareClassAxis
= gst_C000058984Member
Other Expenses rr_OtherExpensesOverAssets 0.33%rr_OtherExpensesOverAssets
/ dei_LegalEntityAxis
= gst_S000013795Member
/ rr_ProspectusShareClassAxis
= gst_C000058984Member
[1]
Total Annual Fund Operating Expenses rr_ExpensesOverAssets 1.28%rr_ExpensesOverAssets
/ dei_LegalEntityAxis
= gst_S000013795Member
/ rr_ProspectusShareClassAxis
= gst_C000058984Member
Fee Waiver and Expense Limitation rr_FeeWaiverOrReimbursementOverAssets (0.24%)rr_FeeWaiverOrReimbursementOverAssets
/ dei_LegalEntityAxis
= gst_S000013795Member
/ rr_ProspectusShareClassAxis
= gst_C000058984Member
[5]
Total Annual Fund Operating Expenses rr_NetExpensesOverAssets 1.04%rr_NetExpensesOverAssets
/ dei_LegalEntityAxis
= gst_S000013795Member
/ rr_ProspectusShareClassAxis
= gst_C000058984Member
[6],[7]
1 Year rr_ExpenseExampleYear01 106rr_ExpenseExampleYear01
/ dei_LegalEntityAxis
= gst_S000013795Member
/ rr_ProspectusShareClassAxis
= gst_C000058984Member
3 Years rr_ExpenseExampleYear03 382rr_ExpenseExampleYear03
/ dei_LegalEntityAxis
= gst_S000013795Member
/ rr_ProspectusShareClassAxis
= gst_C000058984Member
5 Years rr_ExpenseExampleYear05 679rr_ExpenseExampleYear05
/ dei_LegalEntityAxis
= gst_S000013795Member
/ rr_ProspectusShareClassAxis
= gst_C000058984Member
10 Years rr_ExpenseExampleYear10 1,524rr_ExpenseExampleYear10
/ dei_LegalEntityAxis
= gst_S000013795Member
/ rr_ProspectusShareClassAxis
= gst_C000058984Member
[1] The differences in the "Other Expenses" ratios across the share classes are the result of, among other things, contractual differences in transfer agency fees and the effect of mathematical rounding on the daily accrual of certain expenses, particularly in respect of small share classes.
[2] The Investment Adviser has agreed to reduce or limit "Other Expenses" (excluding acquired fund fees and expenses, transfer agency fees and expenses, service fees, shareholder administration fees, taxes, interest, brokerage fees, shareholder meeting, litigation and extraordinary expenses) to 0.014% of the Fund's average daily net assets through at least December 1, 2015, and prior to such date the Investment Adviser may not terminate the arrangement without the approval of the Board of Trustees.
[3] The Fund's "Total Annual Fund Operating Expenses After Expense Limitation" have been restated to reflect the expense limitation currently in effect.
[4] After Expense Limitation
[5] The Investment Adviser has agreed to (i) waive a portion of the management fee in order to achieve a net management fee rate of 0.41% as an annual percentage of average daily net assets of the Fund, and (ii) reduce or limit "Other Expenses" (excluding acquired fund fees and expenses, transfer agency fees and expenses, service fees, shareholder administration fees, taxes, interest, brokerage fees, shareholder meeting, litigation and extraordinary expenses) to 0.004% of the Fund's average daily net assets. These arrangements will remain in effect through at least December 1, 2015, and prior to such date the Investment Adviser may not terminate the arrangements without the approval of the Board of Trustees.
[6] The Fund's "Total Annual Fund Operating Expenses After Fee Waiver and Expense Limitation" have been restated to reflect the expense limitation currently in effect.
[7] After Fee Waiver and Expense Limitation