Performance Management - Goldman Sachs Municipal Income Completion Fund |
Mar. 31, 2026 |
|---|---|
| Prospectus [Line Items] | |
| Bar Chart and Performance Table [Heading] | <span style="color:#FFFFFF;font-family:Arial;font-size:7.5pt;margin-left:0.0pt;text-transform:uppercase;">Performance</span> |
| Performance Narrative [Text Block] | The bar chart and table below provide an indication of the risks of investing in the Fund by showing: (a) changes in the performance of the Fund’s Separate Account Institutional Shares from year to year; and (b) how the average annual total returns of the Separate Account Institutional Shares compare to those of a regulatorily required broad-based securities market index (Bloomberg U.S. Aggregate Bond Index) (the “Regulatory Benchmark”) and the Bloomberg Municipal Bond 1-10 Year Blend Index (the “Performance Benchmark”).The Performance Benchmark is generally more representative of the market sectors and/or types of investments in which the Fund invests or to which the Fund has exposure and which the Investment Adviser uses to measure the Fund’s performance. The Fund has included in the table below the performance of the Regulatory Benchmark, which represents a broader measure of market performance, to comply with regulatory requirements. For additional information about these benchmark indices, please see “Additional Performance and Benchmark Information” on page 6 of the Prospectus. The Fund’s past performance, before and after taxes, is not necessarily an indication of how the Fund will perform in the future. Updated performance information is available at no cost at am.gs.com or by calling the appropriate phone number on the back cover of the Prospectus. Performance reflects applicable fee waivers and/or expense limitations in effect during the periods shown. |
| Performance Past Does Not Indicate Future [Text] | <span style="color:#000000;font-family:Times New Roman;font-size:9pt;">The Fund’s past performance, before and after </span><span style="color:#000000;font-family:Times New Roman;font-size:9pt;">taxes, is not necessarily an indication of how the Fund will perform in the future.</span> |
| Performance Information Illustrates Variability of Returns [Text] | <span style="color:#000000;font-family:Times New Roman;font-size:9pt;">The bar chart and table below provide an indication of the risks of investing in the Fund by showing: (a) changes in the performance of the Fund’s Separate Account Institutional Shares from year to year; and (b) how the average annual total returns of the Separate Account Institutional Shares compare to those of a regulatorily required broad-based securities market index (Bloomberg U.S. Aggregate Bond Index) (the “Regulatory Benchmark”) and the Bloomberg Municipal Bond 1-10 Year Blend Index (the “Performance Benchmark”).</span> |
| Performance Additional Market Index [Text] | <span style="color:#000000;font-family:Times New Roman;font-size:9pt;">The Performance Benchmark is generally more representative of the market sectors and/or types of investments in which </span><span style="color:#000000;font-family:Times New Roman;font-size:9pt;">the Fund invests or to which the Fund has exposure and which the Investment Adviser uses to measure the Fund’s performance. The Fund has included in the table below the performance of the Regulatory Benchmark, which represents a broader measure of market performance, to comply with regulatory requirements.</span> |
| Bar Chart [Heading] | <span style="color:#000000;font-family:Arial;font-size:9pt;font-weight:bold;margin-left:24%;">CALENDAR YEAR</span> |
| Bar Chart Closing [Text Block] | ReturnsQuarter endedYear-to-Date Return3.94%June 30, 2026During the periods shown in the chart above:ReturnsQuarter endedBest Quarter Return8.22%December 31, 2023Worst Quarter Return-7.17%March 31, 2022 |
| Performance Table Heading | <span style="color:#FFFFFF;font-family:Arial;font-size:7.5pt;margin-left:6pt;text-transform:uppercase;">AVERAGE ANNUAL TOTAL RETURN</span><span style="color:#000000;font-family:Arial Narrow;font-size:6.5pt;font-weight:bold;margin-left:0.0pt;">For the period ended December 31, 2025</span> |
| Performance Table Narrative | Benchmark returns do not reflect any deductions for fees, expenses or taxes. |
| Index No Deduction for Fees, Expenses, or Taxes [Text] | <span style="color:#000000;font-family:Times New Roman;font-size:7.5pt;font-style:italic;">Benchmark returns do not reflect any deductions for fees, expenses or taxes.</span> |
| Performance Availability Website Address [Text] | <span style="color:#000000;font-family:Times New Roman;font-size:9pt;">am.gs.com</span> |
| Separate Account Institutional Shares | |
| Prospectus [Line Items] | |
| Year to Date Return, Label [Optional Text] | <span style="color:#000000;font-family:Arial Narrow;font-size:7.5pt;margin-left:0.0pt;">Year-to-Date Return</span> |
| Bar Chart, Year to Date Return | 3.94% |
| Bar Chart, Year to Date Return, Date | Jun. 30, 2026 |
| Highest Quarterly Return, Label [Optional Text] | <span style="color:#000000;font-family:Arial Narrow;font-size:7.5pt;margin-left:0.0pt;">Best Quarter Return</span> |
| Highest Quarterly Return | 8.22% |
| Highest Quarterly Return, Date | Dec. 31, 2023 |
| Lowest Quarterly Return, Label [Optional Text] | <span style="color:#000000;font-family:Arial Narrow;font-size:7.5pt;margin-left:0.0pt;">Worst Quarter Return</span> |
| Lowest Quarterly Return | (7.17%) |
| Lowest Quarterly Return, Date | Mar. 31, 2022 |